Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1058 AM EST Wed Dec 3 2025
LSZ242-040400-
/O.CON.KMQT.SC.Y.0189.000000T0000Z-251203T2100Z/
/O.CON.KMQT.GL.W.0057.251203T2100Z-251204T0600Z/
Ontonagon to Upper Entrance of Portage Canal MI-
1058 AM EST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
1 AM EST THURSDAY...
* WHAT...For the Small Craft Advisory, northwest winds 20 to 25
kt with gusts up to 30 kt and waves 6 to 8 ft occurring. For
the Gale Warning, northwest winds 20 to 30 kt with gusts up to
35 kt and waves 7 to 10 ft expected.
* WHERE...Ontonagon to Upper Entrance of Portage Canal MI.
* WHEN...For the Small Craft Advisory, until 4 PM EST this
afternoon. For the Gale Warning, from 4 PM this afternoon to 1
AM EST Thursday.
* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1058 AM EST Wed Dec 3 2025
LSZ240-040400-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251204T1200Z/
Saxon Harbor WI to Black River MI-
1058 AM EST Wed Dec 3 2025 /958 AM CST Wed Dec 3 2025/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST /6 AM
CST/ THURSDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
waves 4 to 7 ft occurring.
* WHERE...Saxon Harbor WI to Black River MI.
* WHEN...Until 7 AM EST /6 AM CST/ Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1058 AM EST Wed Dec 3 2025
LSZ241-040400-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251203T2100Z/
/O.CON.KMQT.GL.W.0057.251203T2100Z-251204T0600Z/
Black River to Ontonagon MI-
1058 AM EST Wed Dec 3 2025 /958 AM CST Wed Dec 3 2025/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST /3 PM
CST/ THIS AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 4 PM EST /3 PM CST/ THIS
AFTERNOON TO 1 AM EST /MIDNIGHT CST/ THURSDAY...
* WHAT...For the Small Craft Advisory, northwest winds 20 to 25
kt with gusts up to 30 kt and waves around 7 ft occurring. For
the Gale Warning, northwest winds around 25 kt with gusts up
to 35 kt and waves 7 to 9 ft expected.
* WHERE...Black River to Ontonagon MI.
* WHEN...For the Small Craft Advisory, until 4 PM EST /3 PM CST/
this afternoon. For the Gale Warning, from 4 PM EST /3 PM CST/
this afternoon to 1 AM EST /midnight CST/ Thursday.
* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1058 AM EST Wed Dec 3 2025
LMZ221-248-250-040400-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251204T1200Z/
/O.CON.KMQT.GL.A.0034.251205T0300Z-251205T1200Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1058 AM EST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...
* WHAT...For the Small Craft Advisory, northwest winds 15 to 25
kt with gusts up to 30 kt and waves 1 to 4 ft occurring. For
the Gale Watch, southwest winds 20 to 30 kt with gusts up to
35 kt and waves 5 to 8 ft possible.
* WHERE...Green Bay North of line from Cedar River MI to Rock
Island Passage, Seul Choix Point to Point Detour MI and 5NM
East of a line from Fairport MI to Rock Island Passage.
* WHEN...For the Small Craft Advisory, until 7 AM EST Thursday.
For the Gale Watch, from Thursday evening through Friday
morning.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1104 AM CST Wed Dec 3 2025
LMZ521-040115-
/O.CON.KGRB.SC.Y.0092.000000T0000Z-251204T0900Z/
/O.CON.KGRB.GL.A.0006.251205T0300Z-251205T1200Z/
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-
1104 AM CST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
LATE THURSDAY NIGHT...
* WHAT...For the Small Craft Advisory, northwest winds 15 to 25
kt and waves 1 to 4 ft. For the Gale Watch, southwest winds 20
to 25 kt with gusts up to 35 kt and waves 5 to 8 ft possible.
* WHERE...Central Bay of Green Bay.
* WHEN...For the Small Craft Advisory, until 3 AM CST Thursday.
For the Gale Watch, from Thursday evening through late
Thursday 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1104 AM CST Wed Dec 3 2025
LMZ541-040115-
/O.CON.KGRB.SC.Y.0092.000000T0000Z-251204T0900Z/
/O.CON.KGRB.GL.A.0006.251205T0300Z-251205T1200Z/
Rock Island Passage to Sturgeon Bay WI-
1104 AM CST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
LATE THURSDAY NIGHT...
* WHAT...For the Small Craft Advisory, northwest winds 15 to 20
kt with gusts up to 25 kt and waves 2 to 5 ft. For the Gale
Watch, southwest winds 20 to 25 kt with gusts up to 35 kt and
waves 4 to 7 ft possible.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sturgeon Bay.
* WHEN...For the Small Craft Advisory, until 3 AM CST Thursday.
For the Gale Watch, from Thursday evening through late
Thursday night.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
955 AM CST Wed Dec 3 2025
LSZ150-040400-
/O.CON.KDLH.SC.Y.0132.000000T0000Z-251204T1800Z/
/O.CON.KDLH.GL.A.0018.251204T1800Z-251205T0600Z/
Outer Apostle Islands Beyond 5 NM from Mainland-
955 AM CST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...
* WHAT...For the Small Craft Advisory, northwest winds 15 to 25
kt with gusts up to 30 kt and waves 3 to 6 ft. For the Gale
Watch, southwest winds 15 to 25 kt with gusts up to 35 kt and
waves 3 to 6 ft possible.
* WHERE...Outer Apostle Islands Beyond 5 NM from Mainland.
* WHEN...For the Small Craft Advisory, until noon CST Thursday.
For the Gale Watch, from Thursday afternoon through Thursday
evening.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Wind gusts may diminish below 20 knots
for several hours early this morning and again Thursday
morning.
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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
955 AM CST Wed Dec 3 2025
LSZ140>142-040400-
/O.CON.KDLH.SC.Y.0132.000000T0000Z-251204T1800Z/
/O.CON.KDLH.GL.A.0018.251204T1800Z-251205T0600Z/
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
955 AM CST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...
* WHAT...For the Small Craft Advisory, northwest winds 10 to 20
kt with gusts up to 30 kt and waves 1 to 2 ft. For the Gale
Watch, southwest winds 15 to 25 kt with gusts up to 35 kt and
waves 6 to 9 ft possible.
* WHERE...Grand Portage to Grand Marais MN, Grand Marais to
Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN.
* WHEN...For the Small Craft Advisory, until noon CST Thursday.
For the Gale Watch, from Thursday afternoon through Thursday
evening.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Wind gusts may drop below 20 knots for a
time early this morning and again Thursday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
955 AM CST Wed Dec 3 2025
LSZ121-145>148-040400-
/O.CON.KDLH.SC.Y.0132.000000T0000Z-251205T1600Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
955 AM CST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
FRIDAY...
* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and waves
2 to 5 ft.
* WHERE...Chequamegon Bay-Bayfield to Oak Point WI, Duluth MN to
Port Wing WI, Port Wing to Sand Island WI, Sand Island to
Bayfield WI and Oak Point to Saxon Harbor WI.
* WHEN...Until 10 AM CST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...Wind gusts may drop below 20 knots for a
time early this morning and again Thursday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1045 AM EST Wed Dec 3 2025
LMZ323-341-342-344>346-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.A.0018.251205T0300Z-251205T1200Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1045 AM EST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...
* WHAT...For the Small Craft Advisory, Highest gusts up to 30
kts from the northwest and highest waves around 8 feet. For
the Gale Watch, Highest gusts up to 45 kts from the southwest
and highest waves around 13 feet possible.
* WHERE...Portions of Lake Michigan.
* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday.
For the Gale Watch, from Thursday evening through Friday
morning.
* IMPACTS...Strong winds can cause hazardous highest waves which
could capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and highest
waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1045 AM EST Wed Dec 3 2025
LHZ345>349-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
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-
1045 AM EST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
* WHAT...Highest gusts up to 30 kts from the northwest and
highest waves around 9 feet.
* WHERE...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 and Sturgeon
Pt to Alabaster MI.
* WHEN...Until 1 PM 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1045 AM EST Wed Dec 3 2025
LSZ321-322-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1045 AM EST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
* WHAT...Highest gusts up to 30 kts from the northwest and
highest waves around 10 feet.
* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois MI and St. Marys River Point Iroquois to E.
Potagannissing Bay.
* WHEN...Until 1 PM EST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
