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Small Craft Advisory 0115
Issued by the Marquette Forecast Office

Action Issued Starts Expiration
New 2026-08-06 14:39:59 2026-08-07 15:00:00 2026-08-07 22:00:00
Continued 2026-08-06 20:38:44 2026-08-07 15:00:00 2026-08-07 22:00:00
Continued 2026-08-07 03:42:33 2026-08-07 15:00:00 2026-08-07 22:00:00
Continued 2026-08-07 09:10:47 2026-08-07 15:00:00 2026-08-07 22:00:00
Continued 2026-08-07 13:38:56 2026-08-07 15:00:00 2026-08-07 22:00:00
Continued 2026-08-07 13:38:56 2026-08-07 15:00:00 2026-08-07 22:00:00
Continued 2026-08-07 13:38:56 2026-08-07 15:00:00 2026-08-07 22:00:00
Time Extended 2026-08-07 21:09:39 2026-08-08 00:00:00


Action: New
Issued At: 2026-08-06 14:39:59

714 
WHUS73 KMQT 061939
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
339 PM EDT Thu Aug 6 2026

LMZ221-248-250-070745-
/O.NEW.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
339 PM EDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM TO 11 PM EDT FRIDAY...

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

* WHERE...Green Bay North of line from Cedar River MI to Rock 
  Island Passage, Seul Choix Point to Point Detour MI and 5NM 
  East of a line from Fairport MI to Rock Island Passage.

* WHEN...From 4 PM to 11 PM EDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

TAP


Action: Continued
Issued At: 2026-08-06 20:38:44

885 
WHUS73 KMQT 070138
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
938 PM EDT Thu Aug 6 2026

LMZ221-248-250-071345-
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
938 PM EDT Thu Aug 6 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM TO 11 PM EDT
FRIDAY...

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

* WHERE...Green Bay North of line from Cedar River MI to Rock 
  Island Passage, Seul Choix Point to Point Detour MI and 5NM 
  East of a line from Fairport MI to Rock Island Passage.

* WHEN...From 4 PM to 11 PM EDT Friday.

* 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: 2026-08-07 03:42:33

921 
WHUS73 KMQT 070842
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
442 AM EDT Fri Aug 7 2026

LMZ221-248-250-072045-
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
442 AM EDT Fri Aug 7 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 11 PM EDT THIS EVENING...

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

* WHERE...Green Bay North of line from Cedar River MI to Rock 
  Island Passage, Seul Choix Point to Point Detour MI and 5NM 
  East of a line from Fairport MI to Rock Island Passage.

* WHEN...From 4 PM this afternoon to 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: Continued
Issued At: 2026-08-07 09:10:47

426 
WHUS73 KMQT 071410
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1010 AM EDT Fri Aug 7 2026

LMZ221-248-250-080215-
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1010 AM EDT Fri Aug 7 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 11 PM EDT THIS EVENING...

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

* WHERE...Green Bay North of line from Cedar River MI to Rock 
  Island Passage, Seul Choix Point to Point Detour MI and 5NM 
  East of a line from Fairport MI to Rock Island Passage.

* WHEN...From 4 PM this afternoon to 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: Continued
Issued At: 2026-08-07 13:38:56

310 
WHUS73 KMQT 071838
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
238 PM EDT Fri Aug 7 2026

LMZ248-080300-
/O.NEW.KMQT.MF.Y.0030.260807T1838Z-260808T0000Z/
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
Seul Choix Point to Point Detour MI-
238 PM EDT Fri Aug 7 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...For the Dense Fog Advisory, dense fog will reduce 
  visibility to less than one nautical mile. For the Small Craft 
  Advisory, south winds 15 to 20 kt with gusts up to 25 kt and 
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI.

* WHEN...For the Dense Fog Advisory, until 8 PM EDT this 
  evening. For the Small Craft Advisory, until 11 PM EDT this 
  evening.

* IMPACTS...Conditions will be hazardous to small craft. Low 
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

LMZ250-080300-
/O.NEW.KMQT.MF.Y.0030.260807T1838Z-260807T2100Z/
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
5NM East of a line from Fairport MI to Rock Island Passage-
238 PM EDT Fri Aug 7 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...For the Dense Fog Advisory, dense fog will reduce 
  visibility to less than one nautical mile. For the Small Craft 
  Advisory, south winds 15 to 20 kt with gusts up to 30 kt and 
  waves 2 to 4 ft expected.

* WHERE...5NM East of a line from Fairport MI to Rock Island 
  Passage.

* WHEN...For the Dense Fog Advisory, until 5 PM EDT this 
  afternoon. For the Small Craft Advisory, until 11 PM EDT this 
  evening.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

LMZ221-080300-
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
238 PM EDT Fri Aug 7 2026

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

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 3 ft expected.

* WHERE...Green Bay North of line from Cedar River MI to Rock 
  Island Passage.

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: Continued
Issued At: 2026-08-07 13:38:56

310 
WHUS73 KMQT 071838
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
238 PM EDT Fri Aug 7 2026

LMZ248-080300-
/O.NEW.KMQT.MF.Y.0030.260807T1838Z-260808T0000Z/
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
Seul Choix Point to Point Detour MI-
238 PM EDT Fri Aug 7 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...For the Dense Fog Advisory, dense fog will reduce 
  visibility to less than one nautical mile. For the Small Craft 
  Advisory, south winds 15 to 20 kt with gusts up to 25 kt and 
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI.

* WHEN...For the Dense Fog Advisory, until 8 PM EDT this 
  evening. For the Small Craft Advisory, until 11 PM EDT this 
  evening.

* IMPACTS...Conditions will be hazardous to small craft. Low 
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

LMZ250-080300-
/O.NEW.KMQT.MF.Y.0030.260807T1838Z-260807T2100Z/
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
5NM East of a line from Fairport MI to Rock Island Passage-
238 PM EDT Fri Aug 7 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...For the Dense Fog Advisory, dense fog will reduce 
  visibility to less than one nautical mile. For the Small Craft 
  Advisory, south winds 15 to 20 kt with gusts up to 30 kt and 
  waves 2 to 4 ft expected.

* WHERE...5NM East of a line from Fairport MI to Rock Island 
  Passage.

* WHEN...For the Dense Fog Advisory, until 5 PM EDT this 
  afternoon. For the Small Craft Advisory, until 11 PM EDT this 
  evening.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

LMZ221-080300-
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
238 PM EDT Fri Aug 7 2026

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

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 3 ft expected.

* WHERE...Green Bay North of line from Cedar River MI to Rock 
  Island Passage.

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: Continued
Issued At: 2026-08-07 13:38:56

310 
WHUS73 KMQT 071838
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
238 PM EDT Fri Aug 7 2026

LMZ248-080300-
/O.NEW.KMQT.MF.Y.0030.260807T1838Z-260808T0000Z/
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
Seul Choix Point to Point Detour MI-
238 PM EDT Fri Aug 7 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...For the Dense Fog Advisory, dense fog will reduce 
  visibility to less than one nautical mile. For the Small Craft 
  Advisory, south winds 15 to 20 kt with gusts up to 25 kt and 
  waves 2 to 4 ft expected.

* WHERE...Seul Choix Point to Point Detour MI.

* WHEN...For the Dense Fog Advisory, until 8 PM EDT this 
  evening. For the Small Craft Advisory, until 11 PM EDT this 
  evening.

* IMPACTS...Conditions will be hazardous to small craft. Low 
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

LMZ250-080300-
/O.NEW.KMQT.MF.Y.0030.260807T1838Z-260807T2100Z/
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
5NM East of a line from Fairport MI to Rock Island Passage-
238 PM EDT Fri Aug 7 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...For the Dense Fog Advisory, dense fog will reduce 
  visibility to less than one nautical mile. For the Small Craft 
  Advisory, south winds 15 to 20 kt with gusts up to 30 kt and 
  waves 2 to 4 ft expected.

* WHERE...5NM East of a line from Fairport MI to Rock Island 
  Passage.

* WHEN...For the Dense Fog Advisory, until 5 PM EDT this 
  afternoon. For the Small Craft Advisory, until 11 PM EDT this 
  evening.

* IMPACTS...Conditions will be hazardous to small craft. Low
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

LMZ221-080300-
/O.CON.KMQT.SC.Y.0115.260807T2000Z-260808T0300Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
238 PM EDT Fri Aug 7 2026

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

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 3 ft expected.

* WHERE...Green Bay North of line from Cedar River MI to Rock 
  Island Passage.

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: Time Extended
Issued At: 2026-08-07 21:09:39

059 
WHUS73 KMQT 080208
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1008 PM EDT Fri Aug 7 2026

LMZ221-248-250-080500-
/O.EXT.KMQT.SC.Y.0115.000000T0000Z-260808T0500Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1008 PM EDT Fri Aug 7 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT SATURDAY...

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

* WHERE...Green Bay North of line from Cedar River MI to Rock 
  Island Passage, Seul Choix Point to Point Detour MI and 5NM 
  East of a line from Fairport MI to Rock Island Passage.

* WHEN...Until 1 AM EDT Saturday.

* 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



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