Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
419 AM EDT Sat Oct 4 2025
LMZ221-042030-
/O.CON.KMQT.SC.Y.0154.251004T2100Z-251006T0000Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
419 AM EDT Sat Oct 4 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 8 PM EDT SUNDAY...
* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and
waves 2 to 5 ft expected.
* WHERE...Green Bay North of line from Cedar River MI to Rock
Island Passage.
* WHEN...From 5 PM this afternoon to 8 PM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
419 AM EDT Sat Oct 4 2025
LMZ248-250-042030-
/O.CON.KMQT.SC.Y.0154.251004T2100Z-251006T0000Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
419 AM EDT Sat Oct 4 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 8 PM EDT SUNDAY...
* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and
waves 5 to 8 ft expected.
* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
line from Fairport MI to Rock Island Passage.
* WHEN...From 5 PM this afternoon to 8 PM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
419 AM EDT Sat Oct 4 2025
LSZ248-042030-
/O.CON.KMQT.SC.Y.0154.251004T1800Z-251005T1800Z/
/O.CON.KMQT.GL.A.0022.251005T1800Z-251006T0600Z/
Huron Islands to Marquette MI-
419 AM EDT Sat Oct 4 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 2 PM EDT SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...
* WHAT...For the Small Craft Advisory, south winds 10 to 20 kt
with gusts up to 30 kt and waves 1 to 2 ft expected. For the
Gale Watch, south winds 15 to 20 kt with gusts up to 35 kt and
waves 1 to 3 ft possible.
* WHERE...Huron Islands to Marquette MI.
* WHEN...For the Small Craft Advisory, from 2 PM this afternoon
to 2 PM EDT Sunday. For the Gale Watch, from Sunday afternoon
through late Sunday night.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
419 AM EDT Sat Oct 4 2025
LSZ249-250-042030-
/O.CON.KMQT.SC.Y.0154.251004T2100Z-251005T1800Z/
/O.CON.KMQT.GL.A.0022.251005T1800Z-251006T0600Z/
Marquette to Munising MI-Munising to Grand Marais MI-
419 AM EDT Sat Oct 4 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 2 PM EDT SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...
* WHAT...For the Small Craft Advisory, south winds 15 to 20 kt
with gusts up to 25 kt and waves 1 to 3 ft expected. For the
Gale Watch, south winds 15 to 25 kt with gusts up to 35 kt and
waves 1 to 4 ft possible.
* WHERE...Marquette to Munising MI and Munising to Grand Marais
MI.
* WHEN...For the Small Craft Advisory, from 5 PM this afternoon
to 2 PM EDT Sunday. For the Gale Watch, from Sunday afternoon
through late Sunday night.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
419 AM EDT Sat Oct 4 2025
LSZ251-042030-
/O.CON.KMQT.SC.Y.0154.251004T2100Z-251006T0000Z/
Grand Marais to Whitefish Point MI-
419 AM EDT Sat Oct 4 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 8 PM EDT SUNDAY...
* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and
waves 1 to 4 ft expected.
* WHERE...Grand Marais to Whitefish Point MI.
* WHEN...From 5 PM this afternoon to 8 PM EDT Sunday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
246 AM CDT Sat Oct 4 2025
LMZ541>543-041600-
/O.EXT.KGRB.SC.Y.0075.251004T2100Z-251006T1200Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
246 AM CDT Sat Oct 4 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 AM CDT MONDAY...
* WHAT...South winds 15 to 20 kts with gusts up to 25 kts late
this afternoon. South winds will then increase to 20 to 25 kts
with gusts from 30 to 35 kts on Sunday afternoon before
subsiding Sunday evening. Waves building to 3 to 5 ft by late
this afternoon will increase to 6 to 9 ft on Sunday afternoon.
Waves will subside late Sunday night.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan.
* WHEN...From 4 PM this afternoon to 7 AM CDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
JLA
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
240 AM CDT Sat Oct 4 2025
LMZ643-041545-
/O.EXT.KMKX.SC.Y.0086.251004T2100Z-251006T1200Z/
Sheboygan to Port Washington WI-
240 AM CDT Sat Oct 4 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 AM CDT MONDAY...
* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and
waves 5 to 8 ft expected.
* WHERE...Nearshore Waters from Sheboygan to Port Washington.
* WHEN...From 4 PM this afternoon to 7 AM CDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
