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Small Craft Advisory 0114
Issued by the Marquette Forecast Office

Action Issued Starts Expiration
New 2026-08-03 15:02:37 2026-08-04 01:00:00 2026-08-04 10:00:00
New 2026-08-03 15:02:37 2026-08-04 04:00:00 2026-08-04 19:00:00
New 2026-08-03 15:02:37 2026-08-04 12:00:00 2026-08-04 19:00:00
New 2026-08-03 15:02:37 2026-08-04 04:00:00 2026-08-04 13:00:00
Continued 2026-08-03 20:47:32 2026-08-04 04:00:00 2026-08-04 13:00:00
Continued 2026-08-03 20:47:32 2026-08-04 12:00:00 2026-08-04 19:00:00
Continued 2026-08-03 20:47:32 2026-08-04 01:00:00 2026-08-04 10:00:00
Continued 2026-08-03 20:47:32 2026-08-04 04:00:00 2026-08-04 19:00:00
Continued 2026-08-04 03:40:04 2026-08-04 12:00:00 2026-08-04 19:00:00
Continued 2026-08-04 03:40:04 2026-08-04 10:00:00
Continued 2026-08-04 03:40:04 2026-08-04 04:00:00 2026-08-04 19:00:00
Continued 2026-08-04 03:40:04 2026-08-04 04:00:00 2026-08-04 13:00:00
Continued 2026-08-04 13:23:16 2026-08-04 12:00:00 2026-08-04 19:00:00
Expired 2026-08-04 13:23:16 2026-08-04 10:00:00
Continued 2026-08-04 13:23:16 2026-08-04 13:00:00
Continued 2026-08-04 13:23:16 2026-08-04 19:00:00


Action: New
Issued At: 2026-08-03 15:02:37

091 
WHUS73 KMQT 032002
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
402 PM EDT Mon Aug 3 2026

LSZ241-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
402 PM EDT Mon Aug 3 2026 /302 PM CDT Mon Aug 3 2026/

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO
2 PM EDT /1 PM CDT/ TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...From 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ 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.

&&

$$

LSZ242>244-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
402 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 4 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island MI.

* WHEN...From 5 AM to 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.

&&

$$

LSZ246-247-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0600Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
402 PM EDT Mon Aug 3 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...From 2 AM to 11 AM 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.

&&

$$

LMZ248-250-040815-
/O.NEW.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
402 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TO 8 PM EDT TUESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM to 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: New
Issued At: 2026-08-03 15:02:37

091 
WHUS73 KMQT 032002
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
402 PM EDT Mon Aug 3 2026

LSZ241-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
402 PM EDT Mon Aug 3 2026 /302 PM CDT Mon Aug 3 2026/

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO
2 PM EDT /1 PM CDT/ TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...From 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ 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.

&&

$$

LSZ242>244-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
402 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 4 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island MI.

* WHEN...From 5 AM to 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.

&&

$$

LSZ246-247-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0600Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
402 PM EDT Mon Aug 3 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...From 2 AM to 11 AM 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.

&&

$$

LMZ248-250-040815-
/O.NEW.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
402 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TO 8 PM EDT TUESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM to 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: New
Issued At: 2026-08-03 15:02:37

091 
WHUS73 KMQT 032002
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
402 PM EDT Mon Aug 3 2026

LSZ241-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
402 PM EDT Mon Aug 3 2026 /302 PM CDT Mon Aug 3 2026/

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO
2 PM EDT /1 PM CDT/ TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...From 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ 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.

&&

$$

LSZ242>244-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
402 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 4 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island MI.

* WHEN...From 5 AM to 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.

&&

$$

LSZ246-247-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0600Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
402 PM EDT Mon Aug 3 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...From 2 AM to 11 AM 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.

&&

$$

LMZ248-250-040815-
/O.NEW.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
402 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TO 8 PM EDT TUESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM to 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: New
Issued At: 2026-08-03 15:02:37

091 
WHUS73 KMQT 032002
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
402 PM EDT Mon Aug 3 2026

LSZ241-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
402 PM EDT Mon Aug 3 2026 /302 PM CDT Mon Aug 3 2026/

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO
2 PM EDT /1 PM CDT/ TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...From 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ 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.

&&

$$

LSZ242>244-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
402 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 8 PM EDT TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 4 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island MI.

* WHEN...From 5 AM to 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.

&&

$$

LSZ246-247-040815-
/O.NEW.KMQT.SC.Y.0114.260804T0600Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
402 PM EDT Mon Aug 3 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...From 2 AM to 11 AM 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.

&&

$$

LMZ248-250-040815-
/O.NEW.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
402 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM TO 8 PM EDT TUESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM to 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: 2026-08-03 20:47:32

030 
WHUS73 KMQT 040146
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
946 PM EDT Mon Aug 3 2026

LSZ241-041400-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
946 PM EDT Mon Aug 3 2026 /846 PM CDT Mon Aug 3 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM EDT /4 AM
CDT/ TO 2 PM EDT /1 PM CDT/ TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...From 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ 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.

&&

$$

LSZ242>244-041400-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
946 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT
TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 4 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island MI.

* WHEN...From 5 AM to 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.

&&

$$

LSZ246-247-041400-
/O.CON.KMQT.SC.Y.0114.260804T0600Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
946 PM EDT Mon Aug 3 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...From 2 AM to 11 AM 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.

&&

$$

LMZ248-250-041400-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
946 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM EDT
TUESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  waves 3 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM to 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.

&&

$$

GS


Action: Continued
Issued At: 2026-08-03 20:47:32

030 
WHUS73 KMQT 040146
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
946 PM EDT Mon Aug 3 2026

LSZ241-041400-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
946 PM EDT Mon Aug 3 2026 /846 PM CDT Mon Aug 3 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM EDT /4 AM
CDT/ TO 2 PM EDT /1 PM CDT/ TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...From 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ 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.

&&

$$

LSZ242>244-041400-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
946 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT
TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 4 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island MI.

* WHEN...From 5 AM to 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.

&&

$$

LSZ246-247-041400-
/O.CON.KMQT.SC.Y.0114.260804T0600Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
946 PM EDT Mon Aug 3 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...From 2 AM to 11 AM 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.

&&

$$

LMZ248-250-041400-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
946 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM EDT
TUESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  waves 3 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM to 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.

&&

$$

GS


Action: Continued
Issued At: 2026-08-03 20:47:32

030 
WHUS73 KMQT 040146
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
946 PM EDT Mon Aug 3 2026

LSZ241-041400-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
946 PM EDT Mon Aug 3 2026 /846 PM CDT Mon Aug 3 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM EDT /4 AM
CDT/ TO 2 PM EDT /1 PM CDT/ TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...From 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ 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.

&&

$$

LSZ242>244-041400-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
946 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT
TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 4 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island MI.

* WHEN...From 5 AM to 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.

&&

$$

LSZ246-247-041400-
/O.CON.KMQT.SC.Y.0114.260804T0600Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
946 PM EDT Mon Aug 3 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...From 2 AM to 11 AM 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.

&&

$$

LMZ248-250-041400-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
946 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM EDT
TUESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  waves 3 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM to 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.

&&

$$

GS


Action: Continued
Issued At: 2026-08-03 20:47:32

030 
WHUS73 KMQT 040146
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
946 PM EDT Mon Aug 3 2026

LSZ241-041400-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
946 PM EDT Mon Aug 3 2026 /846 PM CDT Mon Aug 3 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM EDT /4 AM
CDT/ TO 2 PM EDT /1 PM CDT/ TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...From 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ 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.

&&

$$

LSZ242>244-041400-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
946 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM EDT
TUESDAY...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 4 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island MI.

* WHEN...From 5 AM to 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.

&&

$$

LSZ246-247-041400-
/O.CON.KMQT.SC.Y.0114.260804T0600Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
946 PM EDT Mon Aug 3 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft expected.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...From 2 AM to 11 AM 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.

&&

$$

LMZ248-250-041400-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
946 PM EDT Mon Aug 3 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM EDT
TUESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and 
  waves 3 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM to 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.

&&

$$

GS


Action: Continued
Issued At: 2026-08-04 03:40:04

583 
WHUS73 KMQT 040839
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
439 AM EDT Tue Aug 4 2026

LSZ241-041800-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
439 AM EDT Tue Aug 4 2026 /339 AM CDT Tue Aug 4 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM
CDT/ THIS AFTERNOON...

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...Until 2 PM EDT /1 PM CDT/ this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ242>244-042045-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
439 AM EDT Tue Aug 4 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 3 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island 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.

&&

$$

LSZ246-247-041500-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
439 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft occurring.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...Until 11 AM EDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ248-250-042045-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
439 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 8 PM EDT THIS EVENING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM this afternoon to 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: Continued
Issued At: 2026-08-04 03:40:04

583 
WHUS73 KMQT 040839
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
439 AM EDT Tue Aug 4 2026

LSZ241-041800-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
439 AM EDT Tue Aug 4 2026 /339 AM CDT Tue Aug 4 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM
CDT/ THIS AFTERNOON...

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...Until 2 PM EDT /1 PM CDT/ this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ242>244-042045-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
439 AM EDT Tue Aug 4 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 3 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island 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.

&&

$$

LSZ246-247-041500-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
439 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft occurring.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...Until 11 AM EDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ248-250-042045-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
439 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 8 PM EDT THIS EVENING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM this afternoon to 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: Continued
Issued At: 2026-08-04 03:40:04

583 
WHUS73 KMQT 040839
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
439 AM EDT Tue Aug 4 2026

LSZ241-041800-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
439 AM EDT Tue Aug 4 2026 /339 AM CDT Tue Aug 4 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM
CDT/ THIS AFTERNOON...

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...Until 2 PM EDT /1 PM CDT/ this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ242>244-042045-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
439 AM EDT Tue Aug 4 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 3 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island 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.

&&

$$

LSZ246-247-041500-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
439 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft occurring.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...Until 11 AM EDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ248-250-042045-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
439 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 8 PM EDT THIS EVENING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM this afternoon to 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: Continued
Issued At: 2026-08-04 03:40:04

583 
WHUS73 KMQT 040839
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
439 AM EDT Tue Aug 4 2026

LSZ241-041800-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260804T1800Z/
Black River to Ontonagon MI-
439 AM EDT Tue Aug 4 2026 /339 AM CDT Tue Aug 4 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM
CDT/ THIS AFTERNOON...

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  1 to 2 ft expected.

* WHERE...Black River to Ontonagon MI.

* WHEN...Until 2 PM EDT /1 PM CDT/ this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ242>244-042045-
/O.CON.KMQT.SC.Y.0114.260804T0900Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
439 AM EDT Tue Aug 4 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 3 ft expected.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island 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.

&&

$$

LSZ246-247-041500-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
439 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 1 to 2 ft occurring.

* WHERE...Point Isabelle to Lower Entrance of Portage Canal MI 
  and Lower Entrance of Portage Canal To Huron Islands MI 
  Including Keweenaw and Huron Bays.

* WHEN...Until 11 AM EDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ248-250-042045-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
439 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 8 PM EDT THIS EVENING...

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* WHEN...From 1 PM this afternoon to 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: Continued
Issued At: 2026-08-04 13:23:16

629 
WHUS73 KMQT 041520
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1120 AM EDT Tue Aug 4 2026

LSZ246-247-041630-
/O.EXP.KMQT.SC.Y.0114.000000T0000Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1120 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

$$

LSZ241-041800-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260804T1800Z/
Black River to Ontonagon MI-
1120 AM EDT Tue Aug 4 2026 /1020 AM CDT Tue Aug 4 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM
CDT/ THIS AFTERNOON...

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  around 2 ft occurring.

* WHERE...Black River to Ontonagon MI.

* WHEN...Until 2 PM EDT /1 PM CDT/ this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ242>244-050000-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
1120 AM EDT Tue Aug 4 2026

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

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  2 to 3 ft occurring.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island 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.

&&

$$

LMZ248-250-050000-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1120 AM EDT Tue Aug 4 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 3 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* 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: Expired
Issued At: 2026-08-04 13:23:16

629 
WHUS73 KMQT 041520
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1120 AM EDT Tue Aug 4 2026

LSZ246-247-041630-
/O.EXP.KMQT.SC.Y.0114.000000T0000Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1120 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

$$

LSZ241-041800-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260804T1800Z/
Black River to Ontonagon MI-
1120 AM EDT Tue Aug 4 2026 /1020 AM CDT Tue Aug 4 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM
CDT/ THIS AFTERNOON...

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  around 2 ft occurring.

* WHERE...Black River to Ontonagon MI.

* WHEN...Until 2 PM EDT /1 PM CDT/ this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ242>244-050000-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
1120 AM EDT Tue Aug 4 2026

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

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  2 to 3 ft occurring.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island 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.

&&

$$

LMZ248-250-050000-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1120 AM EDT Tue Aug 4 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 3 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* 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: Continued
Issued At: 2026-08-04 13:23:16

629 
WHUS73 KMQT 041520
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1120 AM EDT Tue Aug 4 2026

LSZ246-247-041630-
/O.EXP.KMQT.SC.Y.0114.000000T0000Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1120 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

$$

LSZ241-041800-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260804T1800Z/
Black River to Ontonagon MI-
1120 AM EDT Tue Aug 4 2026 /1020 AM CDT Tue Aug 4 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM
CDT/ THIS AFTERNOON...

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  around 2 ft occurring.

* WHERE...Black River to Ontonagon MI.

* WHEN...Until 2 PM EDT /1 PM CDT/ this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ242>244-050000-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
1120 AM EDT Tue Aug 4 2026

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

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  2 to 3 ft occurring.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island 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.

&&

$$

LMZ248-250-050000-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1120 AM EDT Tue Aug 4 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 3 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* 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: Continued
Issued At: 2026-08-04 13:23:16

629 
WHUS73 KMQT 041520
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1120 AM EDT Tue Aug 4 2026

LSZ246-247-041630-
/O.EXP.KMQT.SC.Y.0114.000000T0000Z-260804T1500Z/
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1120 AM EDT Tue Aug 4 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

$$

LSZ241-041800-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260804T1800Z/
Black River to Ontonagon MI-
1120 AM EDT Tue Aug 4 2026 /1020 AM CDT Tue Aug 4 2026/

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM
CDT/ THIS AFTERNOON...

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  around 2 ft occurring.

* WHERE...Black River to Ontonagon MI.

* WHEN...Until 2 PM EDT /1 PM CDT/ this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ242>244-050000-
/O.CON.KMQT.SC.Y.0114.000000T0000Z-260805T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
1120 AM EDT Tue Aug 4 2026

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

* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 
  2 to 3 ft occurring.

* WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper 
  Entrance of Portage Canal to Eagle River MI and Eagle River to 
  Manitou Island 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.

&&

$$

LMZ248-250-050000-
/O.CON.KMQT.SC.Y.0114.260804T1700Z-260805T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1120 AM EDT Tue Aug 4 2026

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

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and 
  waves 3 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a 
  line from Fairport MI to Rock Island Passage.

* 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.

&&

$$



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