Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
327 PM EST Sun Dec 7 2025
LHZ345>349-LSZ321-322-080300-
/O.CON.KAPX.SC.Y.0120.000000T0000Z-251208T0300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
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-Sturgeon Pt to Alabaster MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
327 PM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...
* WHAT...Highest gusts up to 35 kts from the northwest and
highest waves around 7 feet.
* WHERE...Portions of Lake Huron and Lake Superior.
* WHEN...Until 10 PM EST 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
327 PM EST Sun Dec 7 2025
LMZ323-341-342-344>346-080430-
/O.CON.KAPX.SC.Y.0120.000000T0000Z-251208T0300Z/
/O.NEW.KAPX.GL.A.0019.251209T0400Z-251209T1200Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
327 PM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
MORNING...
* WHAT...For the Small Craft Advisory, Highest gusts up to 30
kts from the north and highest waves around 5 feet. For the
Gale Watch, Highest gusts up to 35 kts from the south and
highest waves around 13 feet possible.
* WHERE...Portions of Lake Michigan.
* WHEN...For the Small Craft Advisory, until 10 PM EST this
evening. For the Gale Watch, from Monday evening through
Tuesday morning.
* IMPACTS...Strong winds can cause hazardous highest waves which
could capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and highest
waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
346 PM EST Sun Dec 7 2025
LSZ248-080000-
/O.CON.KMQT.SC.Y.0195.000000T0000Z-251208T0000Z/
Huron Islands to Marquette MI-
346 PM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...
* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and
waves 2 to 4 ft occurring.
* WHERE...Huron Islands to Marquette MI.
* WHEN...Until 7 PM EST 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
346 PM EST Sun Dec 7 2025
LSZ249-080900-
/O.CON.KMQT.SC.Y.0194.000000T0000Z-251208T0600Z/
/O.EXB.KMQT.GL.A.0036.251209T0000Z-251209T0600Z/
Marquette to Munising MI-
346 PM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST MONDAY...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY
NIGHT...
* WHAT...For the Small Craft Advisory, northwest winds 10 to 20 kt
with gusts up to 25 kt and waves 4 to 7 ft occurring. For the
Gale Watch, south winds 15 to 20 kt with a few gale force gusts
up to 35 kt and waves 1 to 3 ft possible.
* WHERE...Marquette to Munising MI.
* WHEN...For the Small Craft Advisory, until 1 AM EST Monday.
For the Gale Watch, from Monday evening through late Monday
night.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
346 PM EST Sun Dec 7 2025
LSZ250-080900-
/O.CON.KMQT.SC.Y.0194.000000T0000Z-251208T0900Z/
/O.EXB.KMQT.GL.A.0036.251209T0000Z-251209T0600Z/
Munising to Grand Marais MI-
346 PM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY...
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY
NIGHT...
* WHAT...For the Small Craft Advisory, northwest winds 10 to 20 kt
with gusts up to 25 kt and waves 4 to 7 ft occurring. For the
Gale Watch, southwest winds 15 to 25 kt with a few gale force
gusts up to 35 kt and waves 2 to 4 ft possible.
* WHERE...Munising to Grand Marais MI.
* WHEN...For the Small Craft Advisory, until 4 AM EST Monday.
For the Gale Watch, from Monday evening through late Monday
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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
346 PM EST Sun Dec 7 2025
LSZ251-080900-
/O.CON.KMQT.SC.Y.0194.000000T0000Z-251208T0900Z/
Grand Marais to Whitefish Point MI-
346 PM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and
waves 5 to 8 ft occurring.
* WHERE...Grand Marais to Whitefish Point MI.
* WHEN...Until 4 AM EST Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
243 PM CST Sun Dec 7 2025
LMZ521-522-080445-
/O.NEW.KGRB.SC.Y.0094.251209T0000Z-251209T1200Z/
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-
243 PM CST Sun Dec 7 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM MONDAY TO 6 AM CST
TUESDAY...
* WHAT...Southwest winds 15 to 25 kts with gusts to around 30 kts
and waves 3 to 5 ft expected.
* WHERE...Central and Southern Bay of Green Bay.
* WHEN...From 6 PM Monday to 6 AM CST 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
243 PM CST Sun Dec 7 2025
LMZ541>543-080445-
/O.NEW.KGRB.SC.Y.0094.251209T0000Z-251209T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
243 PM CST Sun Dec 7 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM MONDAY TO 3 PM CST
TUESDAY...
* WHAT...Southwest winds 15 to 25 kts with gusts to around 30 kts
and waves 6 to 10 ft expected.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan.
* WHEN...From 6 PM Monday to 3 PM CST Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Kieckbusch
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
339 PM EST Sun Dec 7 2025
LHZ421-441>443-080930-
/O.CON.KDTX.SC.Y.0093.000000T0000Z-251208T1500Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
339 PM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
MONDAY...
* WHAT...Expect sustained winds up to 20 knots from the northwest-
north with gusts up to 30 knots. The largest significant waves
will be 6 feet with a potential maximum wave height of 8 feet.
* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
Inner Saginaw Bay, Port Austin to Harbor Beach MI, Harbor
Beach to Port Sanilac MI and Port Sanilac to Port Huron MI.
* WHEN...The maximum winds are expected around 6 PM EST Sunday
with the largest waves expected around 9 PM EST 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
337 PM EST Sun Dec 7 2025
LMZ844>849-080400-
/O.CON.KGRR.SC.Y.0107.000000T0000Z-251208T0400Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
337 PM EST Sun Dec 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING...
* WHAT...Northeast winds 10 to 15 knots with gusts up to 20
knots and waves 2 to 5 feet.
* WHERE...St Joseph to Manistee.
* WHEN...Until 11 PM EST this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
