Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1100 AM EST Mon Dec 8 2025
LMZ221-090400-
/O.CON.KMQT.SC.Y.0196.251208T2300Z-251209T1400Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1100 AM EST Mon Dec 8 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM EST TUESDAY...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and
waves 4 to 7 ft expected.
* WHERE...Green Bay North of line from Cedar River MI to Rock
Island Passage.
* WHEN...From 6 PM this evening to 9 AM EST 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1100 AM EST Mon Dec 8 2025
LMZ248-250-090400-
/O.CON.KMQT.SC.Y.0196.251208T2200Z-251209T1800Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1100 AM EST Mon Dec 8 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 1 PM EST TUESDAY...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and
waves 6 to 9 ft expected.
* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
line from Fairport MI to Rock Island Passage.
* WHEN...From 5 PM this afternoon to 1 PM EST Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1100 AM EST Mon Dec 8 2025
LSZ249>251-090400-
/O.CON.KMQT.SC.Y.0196.251208T2200Z-251209T1200Z/
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
1100 AM EST Mon Dec 8 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 7 AM EST TUESDAY...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
waves 1 to 3 ft expected.
* WHERE...Marquette to Munising MI, Munising to Grand Marais MI
and Grand Marais to Whitefish Point MI.
* WHEN...From 5 PM this afternoon to 7 AM EST 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1018 AM CST Mon Dec 8 2025
LSZ121-146>148-150-090430-
/O.CON.KDLH.SC.Y.0135.000000T0000Z-251209T0900Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Port Wing to Sand Island WI-Sand Island to Bayfield WI-
Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
1018 AM CST Mon Dec 8 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST
TUESDAY...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and
waves 1 to 3 ft.
* WHERE...Chequamegon Bay-Bayfield to Oak Point WI, Port Wing to
Sand Island WI, Sand Island to Bayfield WI, Oak Point to Saxon
Harbor WI and Outer Apostle Islands Beyond 5 NM from Mainland.
* WHEN...Until 3 AM CST Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1018 AM CST Mon Dec 8 2025
LSZ140>142-090430-
/O.CON.KDLH.SC.Y.0135.000000T0000Z-251209T0900Z/
/O.CON.KDLH.GL.A.0019.251210T0400Z-251210T1600Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
1018 AM CST Mon Dec 8 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST
TUESDAY...
...GALE WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY MORNING...
* WHAT...For the Small Craft Advisory, southwest winds 10 to 20
kt with gusts up to 25 kt and waves 2 to 5 ft. For the Gale
Watch, north winds 10 to 20 kt with gusts up to 30 kt and
waves 1 to 4 ft possible.
* WHERE...Grand Portage to Grand Marais MN, Grand Marais to
Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN.
* WHEN...For the Small Craft Advisory, until 3 AM CST Tuesday.
For the Gale Watch, from Tuesday evening through Wednesday
morning.
* 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1052 AM EST Mon Dec 8 2025
LHZ345>347-LSZ321-322-090000-
/O.CON.KAPX.SC.Y.0121.251208T2200Z-251209T1500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1052 AM EST Mon Dec 8 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 10 AM EST TUESDAY...
* WHAT...Highest gusts up to 30 kts from the south and highest
waves around 7 feet expected.
* WHERE...In Lake Huron, Straits of Mackinac within 5 nm of
Mackinac Bridge including Mackinac Island, St Ignace to False
Detour Channel and 5NM East of Mackinac Bridge to Presque Isle
Light MI including Bois Blanc Island. In Lake Superior,
Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois MI and St. Marys River Point Iroquois to E.
Potagannissing Bay.
* WHEN...From 5 PM this afternoon to 10 AM EST Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
951 AM CST Mon Dec 8 2025
LMZ521-522-090000-
/O.CON.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-
951 AM CST Mon Dec 8 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST TUESDAY...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and
waves 2 to 5 ft expected. A few gale force gusts are possible
north of Sturgeon Bay.
* WHERE...Central and Southern Bay of Green Bay.
* WHEN...From 6 PM this evening 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
951 AM CST Mon Dec 8 2025
LMZ541>543-090000-
/O.CON.KGRB.SC.Y.0094.251209T0000Z-251209T2100Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
951 AM CST Mon Dec 8 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 3 PM CST TUESDAY...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and
waves 5 to 8 ft expected. A few gale force gusts are possible
north of Sturgeon Bay.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan.
* WHEN...From 6 PM this evening to 3 PM CST Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
