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Small Craft Advisory 0132
Issued by the Gaylord Forecast Office

Action Issued Starts Expiration
New 2025-12-22 21:46:34 2025-12-23 12:00:00 2025-12-23 23:00:00
New 2025-12-22 21:46:34 2025-12-23 12:00:00 2025-12-23 23:00:00
New 2025-12-22 21:46:34 2025-12-23 12:00:00 2025-12-23 23:00:00
Continued 2025-12-23 01:44:09 2025-12-23 12:00:00 2025-12-23 23:00:00
Continued 2025-12-23 01:44:09 2025-12-23 12:00:00 2025-12-23 23:00:00
Continued 2025-12-23 11:43:48 2025-12-23 12:00:00 2025-12-23 23:00:00
Continued 2025-12-23 11:43:48 2025-12-23 12:00:00 2025-12-23 23:00:00
Time and Area Extended 2025-12-23 18:04:57 2025-12-24 03:00:00
Continued 2025-12-23 18:04:57 2025-12-23 23:00:00
Continued 2025-12-23 18:04:57 2025-12-23 23:00:00
Continued 2025-12-23 21:42:03 2025-12-23 23:00:00
Continued 2025-12-23 21:42:03 2025-12-24 03:00:00
Continued 2025-12-23 21:42:03 2025-12-23 23:00:00
Continued 2025-12-24 01:09:38 2025-12-24 03:00:00


Action: New
Issued At: 2025-12-22 21:46:34

512 
WHUS73 KAPX 230346
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1046 PM EST Mon Dec 22 2025

LHZ347-348-231200-
/O.EXB.KAPX.GL.W.0038.251223T2100Z-251224T0500Z/
/O.UPG.KAPX.GL.A.0023.251223T2300Z-251224T0900Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1046 PM EST Mon Dec 22 2025

...GALE WARNING IN EFFECT FROM 4 PM TUESDAY TO MIDNIGHT EST
TUESDAY NIGHT...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...From 4 PM Tuesday to midnight EST Tuesday night.

* IMPACTS...Strong winds can cause hazardous highest waves which
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-231200-
/O.EXT.KAPX.GL.W.0038.251223T1300Z-251223T2300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1046 PM EST Mon Dec 22 2025

...GALE WARNING NOW IN EFFECT FROM 8 AM TO 6 PM EST TUESDAY...

* WHAT...Highest gusts up to 40 kts from the northwest and 
  highest waves around 12 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 8 AM to 6 PM EST Tuesday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ346-231200-
/O.UPG.KAPX.GL.A.0023.251223T2300Z-251224T0900Z/
/O.NEW.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
St Ignace to False Detour Channel-
1046 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO MIDNIGHT
EST TUESDAY NIGHT...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345-349-231200-
/O.NEW.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-Sturgeon Pt to Alabaster MI-
1046 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO MIDNIGHT
EST TUESDAY NIGHT...

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

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island and Sturgeon Pt to Alabaster MI.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ341-342-231200-
/O.NEW.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
1046 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO MIDNIGHT
EST TUESDAY NIGHT...

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

* 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: 2025-12-22 21:46:34

512 
WHUS73 KAPX 230346
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1046 PM EST Mon Dec 22 2025

LHZ347-348-231200-
/O.EXB.KAPX.GL.W.0038.251223T2100Z-251224T0500Z/
/O.UPG.KAPX.GL.A.0023.251223T2300Z-251224T0900Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1046 PM EST Mon Dec 22 2025

...GALE WARNING IN EFFECT FROM 4 PM TUESDAY TO MIDNIGHT EST
TUESDAY NIGHT...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...From 4 PM Tuesday to midnight EST Tuesday night.

* IMPACTS...Strong winds can cause hazardous highest waves which
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-231200-
/O.EXT.KAPX.GL.W.0038.251223T1300Z-251223T2300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1046 PM EST Mon Dec 22 2025

...GALE WARNING NOW IN EFFECT FROM 8 AM TO 6 PM EST TUESDAY...

* WHAT...Highest gusts up to 40 kts from the northwest and 
  highest waves around 12 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 8 AM to 6 PM EST Tuesday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ346-231200-
/O.UPG.KAPX.GL.A.0023.251223T2300Z-251224T0900Z/
/O.NEW.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
St Ignace to False Detour Channel-
1046 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO MIDNIGHT
EST TUESDAY NIGHT...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345-349-231200-
/O.NEW.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-Sturgeon Pt to Alabaster MI-
1046 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO MIDNIGHT
EST TUESDAY NIGHT...

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

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island and Sturgeon Pt to Alabaster MI.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ341-342-231200-
/O.NEW.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
1046 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO MIDNIGHT
EST TUESDAY NIGHT...

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

* 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: 2025-12-22 21:46:34

512 
WHUS73 KAPX 230346
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1046 PM EST Mon Dec 22 2025

LHZ347-348-231200-
/O.EXB.KAPX.GL.W.0038.251223T2100Z-251224T0500Z/
/O.UPG.KAPX.GL.A.0023.251223T2300Z-251224T0900Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1046 PM EST Mon Dec 22 2025

...GALE WARNING IN EFFECT FROM 4 PM TUESDAY TO MIDNIGHT EST
TUESDAY NIGHT...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...From 4 PM Tuesday to midnight EST Tuesday night.

* IMPACTS...Strong winds can cause hazardous highest waves which
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-231200-
/O.EXT.KAPX.GL.W.0038.251223T1300Z-251223T2300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1046 PM EST Mon Dec 22 2025

...GALE WARNING NOW IN EFFECT FROM 8 AM TO 6 PM EST TUESDAY...

* WHAT...Highest gusts up to 40 kts from the northwest and 
  highest waves around 12 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 8 AM to 6 PM EST Tuesday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ346-231200-
/O.UPG.KAPX.GL.A.0023.251223T2300Z-251224T0900Z/
/O.NEW.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
St Ignace to False Detour Channel-
1046 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO MIDNIGHT
EST TUESDAY NIGHT...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 5 feet expected.

* WHERE...St Ignace to False Detour Channel.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345-349-231200-
/O.NEW.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-Sturgeon Pt to Alabaster MI-
1046 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO MIDNIGHT
EST TUESDAY NIGHT...

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

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island and Sturgeon Pt to Alabaster MI.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ341-342-231200-
/O.NEW.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
1046 PM EST Mon Dec 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TUESDAY TO MIDNIGHT
EST TUESDAY NIGHT...

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

* 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: 2025-12-23 01:44:09

493 
WHUS73 KAPX 230743
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
243 AM EST Tue Dec 23 2025

LHZ347-348-231545-
/O.CON.KAPX.GL.W.0038.251223T2100Z-251224T0500Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
243 AM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
MIDNIGHT EST TONIGHT...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...From 4 PM Tuesday to midnight EST Tuesday night.

* IMPACTS...Strong winds can cause hazardous highest waves which 
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-231545-
/O.CON.KAPX.GL.W.0038.251223T1300Z-251223T2300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
243 AM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM
EST THIS EVENING...

* WHAT...Highest gusts up to 40 kts from the northwest and 
  highest waves around 12 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 8 AM to 6 PM EST Tuesday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ345-346-349-231545-
/O.CON.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
Sturgeon Pt to Alabaster MI-
243 AM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO MIDNIGHT EST TONIGHT...

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

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island and Sturgeon Pt to Alabaster MI.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ341-342-231545-
/O.CON.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
243 AM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO MIDNIGHT EST TONIGHT...

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

* 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: 2025-12-23 01:44:09

493 
WHUS73 KAPX 230743
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
243 AM EST Tue Dec 23 2025

LHZ347-348-231545-
/O.CON.KAPX.GL.W.0038.251223T2100Z-251224T0500Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
243 AM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
MIDNIGHT EST TONIGHT...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...From 4 PM Tuesday to midnight EST Tuesday night.

* IMPACTS...Strong winds can cause hazardous highest waves which 
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-231545-
/O.CON.KAPX.GL.W.0038.251223T1300Z-251223T2300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
243 AM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM
EST THIS EVENING...

* WHAT...Highest gusts up to 40 kts from the northwest and 
  highest waves around 12 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 8 AM to 6 PM EST Tuesday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ345-346-349-231545-
/O.CON.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
Sturgeon Pt to Alabaster MI-
243 AM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO MIDNIGHT EST TONIGHT...

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

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island and Sturgeon Pt to Alabaster MI.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ341-342-231545-
/O.CON.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
243 AM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO MIDNIGHT EST TONIGHT...

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...From 1 PM Tuesday to midnight EST Tuesday night.

* 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: 2025-12-23 11:43:48

322 
WHUS73 KAPX 231743
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1243 PM EST Tue Dec 23 2025

LHZ347-348-240145-
/O.CON.KAPX.GL.W.0038.251223T2100Z-251224T0500Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1243 PM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
MIDNIGHT EST TONIGHT...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 10 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...From 4 PM this afternoon to midnight EST tonight.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-232300-
/O.CON.KAPX.GL.W.0038.000000T0000Z-251223T2300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1243 PM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...Highest gusts up to 35 kts from the west and highest 
  waves around 10 feet.

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

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ345-346-349-240145-
/O.CON.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
Sturgeon Pt to Alabaster MI-
1243 PM EST Tue Dec 23 2025

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

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

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel 
  and Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EST 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.

&&

$$

LMZ341-342-240145-
/O.CON.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
1243 PM EST Tue Dec 23 2025

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

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...Until midnight EST 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: 2025-12-23 11:43:48

322 
WHUS73 KAPX 231743
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1243 PM EST Tue Dec 23 2025

LHZ347-348-240145-
/O.CON.KAPX.GL.W.0038.251223T2100Z-251224T0500Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1243 PM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
MIDNIGHT EST TONIGHT...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 10 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...From 4 PM this afternoon to midnight EST tonight.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-232300-
/O.CON.KAPX.GL.W.0038.000000T0000Z-251223T2300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1243 PM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...Highest gusts up to 35 kts from the west and highest 
  waves around 10 feet.

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

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ345-346-349-240145-
/O.CON.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
Sturgeon Pt to Alabaster MI-
1243 PM EST Tue Dec 23 2025

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

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

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel 
  and Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EST 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.

&&

$$

LMZ341-342-240145-
/O.CON.KAPX.SC.Y.0132.251223T1800Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
1243 PM EST Tue Dec 23 2025

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

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...Until midnight EST 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: Time and Area Extended
Issued At: 2025-12-23 18:04:57

236 
WHUS73 KAPX 240004
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
704 PM EST Tue Dec 23 2025

LHZ347-348-240500-
/O.CON.KAPX.GL.W.0038.000000T0000Z-251224T0500Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
704 PM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Highest gusts up to 40 kts from the northwest and highest
  waves around 11 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until midnight EST tonight.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-240815-
/O.EXB.KAPX.SC.Y.0132.000000T0000Z-251224T0900Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
704 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST WEDNESDAY...

* WHAT...Wind gusts up to 30 kts from the northwest and highest
  waves around 12 feet, decreasing through tonight. Occasional 
  gusts to around 35 knots possible through the evening.

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

* WHEN...Until 4 AM EST 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.

&&

$$

LHZ345-346-349-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
Sturgeon Pt to Alabaster MI-
704 PM EST Tue Dec 23 2025

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

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel 
  and Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EST 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.

&&

$$

LMZ341-342-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
704 PM EST Tue Dec 23 2025

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

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...Until midnight EST 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: 2025-12-23 18:04:57

236 
WHUS73 KAPX 240004
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
704 PM EST Tue Dec 23 2025

LHZ347-348-240500-
/O.CON.KAPX.GL.W.0038.000000T0000Z-251224T0500Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
704 PM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Highest gusts up to 40 kts from the northwest and highest
  waves around 11 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until midnight EST tonight.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-240815-
/O.EXB.KAPX.SC.Y.0132.000000T0000Z-251224T0900Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
704 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST WEDNESDAY...

* WHAT...Wind gusts up to 30 kts from the northwest and highest
  waves around 12 feet, decreasing through tonight. Occasional 
  gusts to around 35 knots possible through the evening.

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

* WHEN...Until 4 AM EST 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.

&&

$$

LHZ345-346-349-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
Sturgeon Pt to Alabaster MI-
704 PM EST Tue Dec 23 2025

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

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel 
  and Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EST 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.

&&

$$

LMZ341-342-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
704 PM EST Tue Dec 23 2025

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

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...Until midnight EST 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: 2025-12-23 18:04:57

236 
WHUS73 KAPX 240004
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
704 PM EST Tue Dec 23 2025

LHZ347-348-240500-
/O.CON.KAPX.GL.W.0038.000000T0000Z-251224T0500Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
704 PM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Highest gusts up to 40 kts from the northwest and highest
  waves around 11 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until midnight EST tonight.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-240815-
/O.EXB.KAPX.SC.Y.0132.000000T0000Z-251224T0900Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
704 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST WEDNESDAY...

* WHAT...Wind gusts up to 30 kts from the northwest and highest
  waves around 12 feet, decreasing through tonight. Occasional 
  gusts to around 35 knots possible through the evening.

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

* WHEN...Until 4 AM EST 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.

&&

$$

LHZ345-346-349-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
Sturgeon Pt to Alabaster MI-
704 PM EST Tue Dec 23 2025

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

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel 
  and Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EST 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.

&&

$$

LMZ341-342-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
704 PM EST Tue Dec 23 2025

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

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...Until midnight EST 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: 2025-12-23 21:42:03

297 
WHUS73 KAPX 240341
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1041 PM EST Tue Dec 23 2025

LHZ347-348-240500-
/O.CON.KAPX.GL.W.0038.000000T0000Z-251224T0500Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1041 PM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Highest gusts up to 40 kts from the northwest and 
  highest waves around 11 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until midnight EST tonight.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ345-346-349-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
Sturgeon Pt to Alabaster MI-
1041 PM EST Tue Dec 23 2025

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

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel 
  and Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EST 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.

&&

$$

LMZ341-342-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
1041 PM EST Tue Dec 23 2025

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

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...Until midnight EST 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.

&&

$$

LSZ321-322-240900-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0900Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1041 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
WEDNESDAY...

* WHAT...Wind gusts up to 30 kts from the northwest and highest 
  waves around 12 feet, decreasing through tonight. Occasional 
  gusts to around 35 knots possible through the evening.

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

* WHEN...Until 4 AM EST 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: Continued
Issued At: 2025-12-23 21:42:03

297 
WHUS73 KAPX 240341
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1041 PM EST Tue Dec 23 2025

LHZ347-348-240500-
/O.CON.KAPX.GL.W.0038.000000T0000Z-251224T0500Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1041 PM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Highest gusts up to 40 kts from the northwest and 
  highest waves around 11 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until midnight EST tonight.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ345-346-349-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
Sturgeon Pt to Alabaster MI-
1041 PM EST Tue Dec 23 2025

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

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel 
  and Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EST 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.

&&

$$

LMZ341-342-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
1041 PM EST Tue Dec 23 2025

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

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...Until midnight EST 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.

&&

$$

LSZ321-322-240900-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0900Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1041 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
WEDNESDAY...

* WHAT...Wind gusts up to 30 kts from the northwest and highest 
  waves around 12 feet, decreasing through tonight. Occasional 
  gusts to around 35 knots possible through the evening.

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

* WHEN...Until 4 AM EST 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: Continued
Issued At: 2025-12-23 21:42:03

297 
WHUS73 KAPX 240341
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1041 PM EST Tue Dec 23 2025

LHZ347-348-240500-
/O.CON.KAPX.GL.W.0038.000000T0000Z-251224T0500Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1041 PM EST Tue Dec 23 2025

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Highest gusts up to 40 kts from the northwest and 
  highest waves around 11 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until midnight EST tonight.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ345-346-349-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
Sturgeon Pt to Alabaster MI-
1041 PM EST Tue Dec 23 2025

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

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel 
  and Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EST 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.

&&

$$

LMZ341-342-240500-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0500Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
1041 PM EST Tue Dec 23 2025

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

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

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge and 
  Norwood MI to 5NM West of Mackinac Bridge including Little 
  Traverse Bay.

* WHEN...Until midnight EST 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.

&&

$$

LSZ321-322-240900-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0900Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1041 PM EST Tue Dec 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
WEDNESDAY...

* WHAT...Wind gusts up to 30 kts from the northwest and highest 
  waves around 12 feet, decreasing through tonight. Occasional 
  gusts to around 35 knots possible through the evening.

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

* WHEN...Until 4 AM EST 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: Continued
Issued At: 2025-12-24 01:09:38

576 
WHUS73 KAPX 240709
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
209 AM EST Wed Dec 24 2025

LSZ321-322-240900-
/O.CON.KAPX.SC.Y.0132.000000T0000Z-251224T0900Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
209 AM EST Wed Dec 24 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST EARLY
THIS MORNING...

* WHAT...Wind gusts up to 30 kts from the northwest and highest 
  waves around 12 feet, decreasing through tonight. Occasional 
  gusts to around 35 knots possible through the evening.

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

* WHEN...Until 4 AM EST 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.

&&

$$



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