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Thursday, Sep 24, 2026 20:24:39

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Small Craft Advisory 0081
Issued by the Gaylord Forecast Office

Action Issued Starts Expiration
New 2026-09-19 13:31:22 2026-09-20 13:00:00 2026-09-21 01:00:00
New 2026-09-19 13:31:22 2026-09-20 13:00:00 2026-09-21 07:00:00
New 2026-09-19 13:31:22 2026-09-20 13:00:00 2026-09-21 19:00:00
New 2026-09-19 13:31:22 2026-09-20 10:00:00 2026-09-21 01:00:00
Continued 2026-09-19 21:59:10 2026-09-20 13:00:00 2026-09-21 01:00:00
Continued 2026-09-19 21:59:10 2026-09-20 10:00:00 2026-09-21 01:00:00
Continued 2026-09-19 21:59:10 2026-09-20 13:00:00 2026-09-21 19:00:00
Continued 2026-09-19 21:59:10 2026-09-20 13:00:00 2026-09-21 07:00:00
Continued 2026-09-20 01:33:41 2026-09-20 10:00:00 2026-09-21 01:00:00
Cancelled 2026-09-20 01:33:41 2026-09-20 13:00:00 2026-09-21 01:00:00
Continued 2026-09-20 01:33:41 2026-09-20 13:00:00 2026-09-21 07:00:00
Continued 2026-09-20 01:33:41 2026-09-20 13:00:00 2026-09-21 19:00:00
Continued 2026-09-20 08:54:23 2026-09-20 10:00:00 2026-09-21 01:00:00
Continued 2026-09-20 08:54:23 2026-09-20 13:00:00 2026-09-21 07:00:00
Continued 2026-09-20 08:54:23 2026-09-20 13:00:00 2026-09-21 19:00:00
Continued 2026-09-20 13:42:27 2026-09-21 07:00:00
Continued 2026-09-20 13:42:27 2026-09-21 19:00:00
Continued 2026-09-20 13:42:27 2026-09-21 01:00:00
Continued 2026-09-20 21:40:39 2026-09-21 19:00:00
Continued 2026-09-20 21:40:39 2026-09-21 01:00:00
Continued 2026-09-20 21:40:39 2026-09-21 07:00:00
Continued 2026-09-21 02:03:17 2026-09-21 19:00:00
Continued 2026-09-21 02:03:17 2026-09-21 07:00:00
Continued 2026-09-21 09:10:44 2026-09-21 19:00:00
Time Extended 2026-09-21 13:20:25 2026-09-22 19:00:00
Continued 2026-09-21 21:47:31 2026-09-22 19:00:00
Continued 2026-09-22 02:23:40 2026-09-22 19:00:00
Time Extended 2026-09-22 08:33:15 2026-09-23 13:00:00
Time Extended 2026-09-22 14:42:58 2026-09-22 23:00:00
Continued 2026-09-22 14:58:58 2026-09-22 23:00:00
Continued 2026-09-22 21:48:43 2026-09-22 23:00:00


Action: New
Issued At: 2026-09-19 13:31:22

836 
WHUS73 KAPX 191831
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
231 PM EDT Sat Sep 19 2026

LHZ345-LMZ323-341-342-344>346-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 2 AM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan. 

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 8 AM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-322-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 2 AM EDT
MONDAY...

* WHAT...Highest gusts up to 25 kts from the northeast and 
  highest waves around 3 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...From 2 PM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 8 PM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: New
Issued At: 2026-09-19 13:31:22

836 
WHUS73 KAPX 191831
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
231 PM EDT Sat Sep 19 2026

LHZ345-LMZ323-341-342-344>346-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 2 AM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan. 

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 8 AM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-322-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 2 AM EDT
MONDAY...

* WHAT...Highest gusts up to 25 kts from the northeast and 
  highest waves around 3 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...From 2 PM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 8 PM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: New
Issued At: 2026-09-19 13:31:22

836 
WHUS73 KAPX 191831
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
231 PM EDT Sat Sep 19 2026

LHZ345-LMZ323-341-342-344>346-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 2 AM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan. 

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 8 AM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-322-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 2 AM EDT
MONDAY...

* WHAT...Highest gusts up to 25 kts from the northeast and 
  highest waves around 3 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...From 2 PM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 8 PM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: New
Issued At: 2026-09-19 13:31:22

836 
WHUS73 KAPX 191831
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
231 PM EDT Sat Sep 19 2026

LHZ345-LMZ323-341-342-344>346-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 2 AM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan. 

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 8 AM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-322-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 2 AM EDT
MONDAY...

* WHAT...Highest gusts up to 25 kts from the northeast and 
  highest waves around 3 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...From 2 PM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-200245-
/O.NEW.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
231 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 8 PM EDT
MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-19 21:59:10

286 
WHUS73 KAPX 200258
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1058 PM EDT Sat Sep 19 2026

LHZ345-LMZ323-341-342-344>346-201100-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO
2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-322-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
2 AM EDT MONDAY...

* WHAT...Highest gusts up to 25 kts from the northeast and 
  highest waves around 3 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...From 2 PM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-19 21:59:10

286 
WHUS73 KAPX 200258
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1058 PM EDT Sat Sep 19 2026

LHZ345-LMZ323-341-342-344>346-201100-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO
2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-322-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
2 AM EDT MONDAY...

* WHAT...Highest gusts up to 25 kts from the northeast and 
  highest waves around 3 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...From 2 PM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-19 21:59:10

286 
WHUS73 KAPX 200258
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1058 PM EDT Sat Sep 19 2026

LHZ345-LMZ323-341-342-344>346-201100-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO
2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-322-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
2 AM EDT MONDAY...

* WHAT...Highest gusts up to 25 kts from the northeast and 
  highest waves around 3 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...From 2 PM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-19 21:59:10

286 
WHUS73 KAPX 200258
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1058 PM EDT Sat Sep 19 2026

LHZ345-LMZ323-341-342-344>346-201100-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO
2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-322-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
2 AM EDT MONDAY...

* WHAT...Highest gusts up to 25 kts from the northeast and 
  highest waves around 3 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...From 2 PM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-201100-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1058 PM EDT Sat Sep 19 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 01:33:41

677 
WHUS73 KAPX 200633
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
233 AM EDT Sun Sep 20 2026

LSZ321-322-200745-
/O.CAN.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and wind gusts are not expected to reach Small Craft 
Advisory criteria this afternoon, therefore, the Small Craft 
Advisory is cancelled.

$$

LHZ345-LMZ323-341-342-344>346-201445-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-201445-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-201445-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Cancelled
Issued At: 2026-09-20 01:33:41

677 
WHUS73 KAPX 200633
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
233 AM EDT Sun Sep 20 2026

LSZ321-322-200745-
/O.CAN.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and wind gusts are not expected to reach Small Craft 
Advisory criteria this afternoon, therefore, the Small Craft 
Advisory is cancelled.

$$

LHZ345-LMZ323-341-342-344>346-201445-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-201445-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-201445-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 01:33:41

677 
WHUS73 KAPX 200633
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
233 AM EDT Sun Sep 20 2026

LSZ321-322-200745-
/O.CAN.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and wind gusts are not expected to reach Small Craft 
Advisory criteria this afternoon, therefore, the Small Craft 
Advisory is cancelled.

$$

LHZ345-LMZ323-341-342-344>346-201445-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-201445-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-201445-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 01:33:41

677 
WHUS73 KAPX 200633
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
233 AM EDT Sun Sep 20 2026

LSZ321-322-200745-
/O.CAN.KAPX.SC.Y.0081.260920T1800Z-260921T0600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and wind gusts are not expected to reach Small Craft 
Advisory criteria this afternoon, therefore, the Small Craft 
Advisory is cancelled.

$$

LHZ345-LMZ323-341-342-344>346-201445-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...From 11 AM Sunday to 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-201445-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM Sunday to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-201445-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
233 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM Sunday to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 08:54:23

483 
WHUS73 KAPX 201354
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
954 AM EDT Sun Sep 20 2026

LHZ345-LMZ323-341-342-344>346-202200-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
954 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan. 

* WHEN...Until 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-202200-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
954 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM this afternoon to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-202200-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
954 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM this afternoon to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 08:54:23

483 
WHUS73 KAPX 201354
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
954 AM EDT Sun Sep 20 2026

LHZ345-LMZ323-341-342-344>346-202200-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
954 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan. 

* WHEN...Until 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-202200-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
954 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM this afternoon to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-202200-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
954 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM this afternoon to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 08:54:23

483 
WHUS73 KAPX 201354
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
954 AM EDT Sun Sep 20 2026

LHZ345-LMZ323-341-342-344>346-202200-
/O.CON.KAPX.SC.Y.0081.260920T1500Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
954 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet expected.

* WHERE...Portions of Lake Huron and Lake Michigan. 

* WHEN...Until 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-202200-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
954 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...From 2 PM this afternoon to 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-202200-
/O.CON.KAPX.SC.Y.0081.260920T1800Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
954 AM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet expected.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 2 PM this afternoon to 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 13:42:27

749 
WHUS73 KAPX 201842
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
242 PM EDT Sun Sep 20 2026

LHZ345-LMZ323-341-342-344>346-210245-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
242 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet.

* WHERE...Portions of Lake Huron and Lake Michigan. 

* WHEN...Until 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-210245-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
242 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...Until 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-210245-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
242 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 13:42:27

749 
WHUS73 KAPX 201842
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
242 PM EDT Sun Sep 20 2026

LHZ345-LMZ323-341-342-344>346-210245-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
242 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet.

* WHERE...Portions of Lake Huron and Lake Michigan. 

* WHEN...Until 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-210245-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
242 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...Until 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-210245-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
242 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 13:42:27

749 
WHUS73 KAPX 201842
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
242 PM EDT Sun Sep 20 2026

LHZ345-LMZ323-341-342-344>346-210245-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
242 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet.

* WHERE...Portions of Lake Huron and Lake Michigan. 

* WHEN...Until 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-210245-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
242 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...Until 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-210245-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
242 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 21:40:39

533 
WHUS73 KAPX 210240
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1040 PM EDT Sun Sep 20 2026

LHZ345-LMZ323-341-342-344>346-210600-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1040 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet.

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...Until 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-211045-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
1040 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...Until 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-211045-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1040 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 21:40:39

533 
WHUS73 KAPX 210240
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1040 PM EDT Sun Sep 20 2026

LHZ345-LMZ323-341-342-344>346-210600-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1040 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet.

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...Until 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-211045-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
1040 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...Until 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-211045-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1040 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-20 21:40:39

533 
WHUS73 KAPX 210240
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1040 PM EDT Sun Sep 20 2026

LHZ345-LMZ323-341-342-344>346-210600-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T0600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1040 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 4 feet.

* WHERE...Portions of Lake Huron and Lake Michigan.

* WHEN...Until 2 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-347-211045-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
1040 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...Until 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-211045-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1040 PM EDT Sun Sep 20 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-21 02:03:17

463 
WHUS73 KAPX 210702
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
302 AM EDT Mon Sep 21 2026

LHZ346-347-211200-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
302 AM EDT Mon Sep 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...Until 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-211515-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
302 AM EDT Mon Sep 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-21 02:03:17

463 
WHUS73 KAPX 210702
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
302 AM EDT Mon Sep 21 2026

LHZ346-347-211200-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260921T1200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
302 AM EDT Mon Sep 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 5 feet.

* WHERE...St Ignace to False Detour Channel and 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island.

* WHEN...Until 8 AM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-211515-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
302 AM EDT Mon Sep 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-21 09:10:44

702 
WHUS73 KAPX 211410
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1010 AM EDT Mon Sep 21 2026

LHZ348-349-212215-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260922T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1010 AM EDT Mon Sep 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 6 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-09-21 13:20:25

691 
WHUS73 KAPX 211820
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
220 PM EDT Mon Sep 21 2026

LHZ348-349-220230-
/O.EXT.KAPX.SC.Y.0081.000000T0000Z-260923T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
220 PM EDT Mon Sep 21 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT TUESDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT Tuesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-21 21:47:31

891 
WHUS73 KAPX 220246
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1046 PM EDT Mon Sep 21 2026

LHZ348-349-221100-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260923T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1046 PM EDT Mon Sep 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
TUESDAY...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT Tuesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-22 02:23:40

874 
WHUS73 KAPX 220723
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
323 AM EDT Tue Sep 22 2026

LHZ348-349-221530-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260923T0000Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
323 AM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Highest gusts up to 30 kts from the northeast and 
  highest waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 8 PM EDT Tuesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-09-22 08:33:15

454 
WHUS73 KAPX 221332
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
932 AM EDT Tue Sep 22 2026

LMZ342-344-222145-
/O.NEW.KAPX.SC.Y.0082.260922T1332Z-260923T0300Z/
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
932 AM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

* WHAT...Highest gusts up to 25 kts from the east and highest 
  waves around 3 feet.

* WHERE...Norwood MI to 5NM West of Mackinac Bridge including 
  Little Traverse Bay and Sleeping Bear Point to Grand Traverse 
  Light MI.

* WHEN...Until 11 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ347-222145-
/O.NEW.KAPX.SC.Y.0083.260923T0400Z-260923T1800Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
932 AM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM
EDT WEDNESDAY...

* WHAT...Highest waves around 4 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island.

* WHEN...From midnight tonight to 2 PM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-222145-
/O.EXT.KAPX.SC.Y.0081.000000T0000Z-260923T1800Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
932 AM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM EDT WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the east and highest 
  waves around 6 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until 2 PM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2026-09-22 14:42:58

646 
WHUS73 KAPX 221942
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
342 PM EDT Tue Sep 22 2026

LHZ347-230345-
/O.EXT.KAPX.SC.Y.0083.260923T1200Z-260924T0000Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
342 PM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM TO 8 PM EDT
WEDNESDAY...

* WHAT...Highest waves around 4 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island.

* WHEN...From 8 AM to 8 PM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-230345-
/O.EXT.KAPX.SC.Y.0081.000000T0000Z-260923T0400Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
342 PM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* WHAT...Highest gusts up to 30 kts from the east and highest 
  waves around 6 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ342-344-230300-
/O.CON.KAPX.SC.Y.0082.000000T0000Z-260923T0300Z/
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
342 PM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Highest gusts up to 25 kts from the east and highest 
  waves around 3 feet.

* WHERE...Norwood MI to 5NM West of Mackinac Bridge including 
  Little Traverse Bay and Sleeping Bear Point to Grand Traverse 
  Light MI.

* WHEN...Until 11 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-22 14:58:58

190 
WHUS73 KAPX 221958
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
358 PM EDT Tue Sep 22 2026

LHZ345-230000-
/O.EXB.KAPX.SC.Y.0082.000000T0000Z-260923T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
358 PM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Highest gusts up to 25 kts from the east.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ347-230400-
/O.EXT.KAPX.SC.Y.0083.260922T1958Z-260924T0000Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
358 PM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT WEDNESDAY...

* WHAT...Highest gusts up to 25 kts from the east and highest 
  waves around 4 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island.

* WHEN...Until 8 PM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ342-344-230300-
/O.CON.KAPX.SC.Y.0082.000000T0000Z-260923T0300Z/
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
358 PM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Highest gusts up to 25 kts from the east and highest 
  waves around 3 feet.

* WHERE...Norwood MI to 5NM West of Mackinac Bridge including 
  Little Traverse Bay and Sleeping Bear Point to Grand Traverse 
  Light MI.

* WHEN...Until 11 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-230400-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260923T0400Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
358 PM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* WHAT...Highest gusts up to 30 kts from the east and highest 
  waves around 6 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2026-09-22 21:48:43

918 
WHUS73 KAPX 230248
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1048 PM EDT Tue Sep 22 2026

LMZ342-344-230400-
/O.EXP.KAPX.SC.Y.0082.000000T0000Z-260923T0300Z/
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
1048 PM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY WILL EXPIRE AT 11 PM EDT THIS EVENING...

Winds have fallen below Small Craft Advisory criteria. Therefore,
the Small Craft Advisory expires at 11 PM EDT. 

$$

LHZ347-231100-
/O.CON.KAPX.SC.Y.0083.000000T0000Z-260924T0000Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
1048 PM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY...

* WHAT...Highest gusts up to 25 kts from the east and highest 
  waves around 4 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island.

* WHEN...Until 8 PM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ348-349-230400-
/O.CON.KAPX.SC.Y.0081.000000T0000Z-260923T0400Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1048 PM EDT Tue Sep 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* WHAT...Highest gusts up to 30 kts from the east and highest 
  waves around 6 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$



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