Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
320 AM CST Thu Nov 6 2025
LMZ521-522-061730-
/O.NEW.KGRB.SC.Y.0084.251106T2100Z-251108T0000Z/
Green Bay south of line from Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
320 AM CST Thu Nov 6 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
6 PM CST FRIDAY...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt,
shifting to the northwest 10 to 20 kt with gusts up to 25 kt on
Friday. Waves building to 3 to 6 ft tonight, subsiding to 2 to
4 feet on Friday.
* WHERE...Central and Southern Bay of Green Bay.
* WHEN...From 3 PM this afternoon to 6 PM CST 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
320 AM CST Thu Nov 6 2025
LMZ541>543-061730-
/O.NEW.KGRB.SC.Y.0084.251106T2100Z-251108T0000Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
320 AM CST Thu Nov 6 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
6 PM CST FRIDAY...
* WHAT...Southwest winds 15 to 25 kt with a few gale force gusts
up to 35 kt through tonight, shifting to the west at 15 to 25 kt
on Friday. Greatest risk for gale gusts will be tonight toward
Sheboygan. Waves building to 6 to 9 ft tonight, then subsiding
to 1 to 3 feet by late Friday.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan.
* WHEN...From 3 PM this afternoon to 6 PM CST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
JLA
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
246 AM CST Thu Nov 6 2025
LMZ643>646-061700-
/O.NEW.KMKX.SC.Y.0096.251106T2100Z-251108T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
246 AM CST Thu Nov 6 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
6 PM CST FRIDAY...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and
waves 4 to 6 ft expected.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...From 3 PM this afternoon to 6 PM CST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...A few gales in the nearshore zones will be
possible but the timeframe will be limited and gusts overall
would be expected to be borderline.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
336 AM EST Thu Nov 6 2025
LHZ441-061500-
/O.EXP.KDTX.GL.W.0023.000000T0000Z-251106T0900Z/
/O.EXB.KDTX.SC.Y.0081.251106T0900Z-251106T1500Z/
Port Austin to Harbor Beach MI-
336 AM EST Thu Nov 6 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...
...GALE WARNING WILL EXPIRE AT 4 AM EST EARLY THIS MORNING...
* WHAT...Expect sustained winds up to 18 knots from the
northwest with gusts up to 23 knots. The largest significant
waves will be 6 feet with a potential maximum wave height of 8
feet.
* WHERE...Port Austin to Harbor Beach MI.
* WHEN...The maximum winds are expected around 4 AM EST Thursday
with the largest waves expected around 4 AM EST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
336 AM EST Thu Nov 6 2025
LHZ442-061500-
/O.EXT.KDTX.SC.Y.0081.000000T0000Z-251106T1500Z/
Harbor Beach to Port Sanilac MI-
336 AM EST Thu Nov 6 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EST THIS
MORNING...
* WHAT...Expect sustained winds up to 17 knots from the
northwest with gusts up to 25 knots. The largest significant
waves will be 5 feet with a potential maximum wave height of 7
feet.
* WHERE...Harbor Beach to Port Sanilac MI.
* WHEN...The maximum winds are expected around 3 AM EST Thursday
with the largest waves expected around 3 AM EST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
316 AM EST Thu Nov 6 2025
LMZ221-248-250-062030-
/O.NEW.KMQT.SC.Y.0173.251106T2100Z-251108T0000Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
316 AM EST Thu Nov 6 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM EST FRIDAY...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and
waves 5 to 8 ft expected.
* WHERE...Green Bay North of line from Cedar River MI to Rock
Island Passage, Seul Choix Point to Point Detour MI and 5NM
East of a line from Fairport MI to Rock Island Passage.
* WHEN...From 4 PM this afternoon to 7 PM EST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
316 AM EST Thu Nov 6 2025
LSZ249-250-062030-
/O.CON.KMQT.SC.Y.0172.000000T0000Z-251106T1600Z/
/O.NEW.KMQT.GL.A.0028.251107T1800Z-251108T0200Z/
Marquette to Munising MI-Munising to Grand Marais MI-
316 AM EST Thu Nov 6 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS
MORNING...
...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING...
* WHAT...For the Small Craft Advisory, northwest winds 10 to 20
kt with gusts up to 25 kt and waves 5 to 8 ft occurring. For
the Gale Watch, north winds 20 to 30 kt with gusts up to 35 kt
and waves 7 to 12 ft possible.
* WHERE...Marquette to Munising MI and Munising to Grand Marais
MI.
* WHEN...For the Small Craft Advisory, until 11 AM EST this
morning. For the Gale Watch, from Friday afternoon through
Friday evening.
* 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
316 AM EST Thu Nov 6 2025
LSZ251-061600-
/O.CON.KMQT.SC.Y.0172.000000T0000Z-251106T1600Z/
Grand Marais to Whitefish Point MI-
316 AM EST Thu Nov 6 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS
MORNING...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
waves 5 to 8 ft occurring.
* WHERE...Grand Marais to Whitefish Point MI.
* WHEN...Until 11 AM EST this morning.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
