Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1029 PM EST Tue Dec 2 2025
LMZ221-248-250-031530-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251204T1200Z/
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-
1029 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
THURSDAY...
* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves
2 to 5 ft occurring.
* 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...Until 7 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1029 PM EST Tue Dec 2 2025
LSZ240-031530-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251204T0600Z/
Saxon Harbor WI to Black River MI-
1029 PM EST Tue Dec 2 2025 /929 PM CST Tue Dec 2 2025/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
/MIDNIGHT CST/ THURSDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
waves 4 to 7 ft occurring.
* WHERE...Saxon Harbor WI to Black River MI.
* WHEN...Until 1 AM EST /midnight CST/ Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1029 PM EST Tue Dec 2 2025
LSZ241-031530-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251203T2100Z/
/O.CON.KMQT.GL.A.0033.251203T2100Z-251204T0600Z/
Black River to Ontonagon MI-
1029 PM EST Tue Dec 2 2025 /929 PM CST Tue Dec 2 2025/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST /3 PM
CST/ WEDNESDAY...
...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
LATE WEDNESDAY NIGHT...
* WHAT...For the Small Craft Advisory, northwest winds 15 to 25
kt with gusts up to 30 kt and waves 4 to 7 ft occurring. For
the Gale Watch, northwest winds 20 to 25 kt with gusts up to
35 kt and waves 7 to 9 ft possible.
* WHERE...Black River to Ontonagon MI.
* WHEN...For the Small Craft Advisory, until 4 PM EST /3 PM CST/
Wednesday. For the Gale Watch, from Wednesday afternoon
through late Wednesday 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1029 PM EST Tue Dec 2 2025
LSZ242-031530-
/O.CON.KMQT.SC.Y.0189.000000T0000Z-251203T2100Z/
/O.CON.KMQT.GL.A.0033.251203T2100Z-251204T0600Z/
Ontonagon to Upper Entrance of Portage Canal MI-
1029 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
WEDNESDAY...
...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
LATE WEDNESDAY NIGHT...
* WHAT...For the Small Craft Advisory, northwest winds 15 to 25
kt with gusts up to 30 kt and waves 5 to 8 ft occurring. For
the Gale Watch, northwest winds 20 to 30 kt with gusts up to
35 kt and waves 7 to 10 ft possible.
* WHERE...Ontonagon to Upper Entrance of Portage Canal MI.
* WHEN...For the Small Craft Advisory, until 4 PM EST Wednesday.
For the Gale Watch, from Wednesday afternoon through late
Wednesday night.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1029 PM EST Tue Dec 2 2025
LSZ243-244-031530-
/O.CON.KMQT.SC.Y.0189.000000T0000Z-251203T1200Z/
/O.CON.KMQT.GL.A.0033.251203T1200Z-251204T1200Z/
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
1029 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...GALE WATCH REMAINS IN EFFECT FROM 7 AM EST WEDNESDAY THROUGH
THURSDAY MORNING...
* WHAT...For the Small Craft Advisory, west winds 15 to 20 kt
with gusts up to 30 kt and waves 4 to 7 ft occurring. For the
Gale Watch, northwest winds 20 to 30 kt with gusts up to 40 kt
and waves 6 to 11 ft possible.
* WHERE...Upper Entrance of Portage Canal to Eagle River MI and
Eagle River to Manitou Island MI.
* WHEN...For the Small Craft Advisory, until 7 AM EST Wednesday.
For the Gale Watch, from 7 AM EST Wednesday through Thursday
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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1029 PM EST Tue Dec 2 2025
LSZ245>251-031530-
/O.CON.KMQT.SC.Y.0191.000000T0000Z-251203T1200Z/
/O.CON.KMQT.GL.A.0033.251203T1200Z-251204T1200Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
1029 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...GALE WATCH REMAINS IN EFFECT FROM 7 AM EST WEDNESDAY THROUGH
THURSDAY MORNING...
* WHAT...For the Small Craft Advisory, southwest winds 10 to 20
kt with gusts up to 25 kt and waves 1 to 3 ft occurring. For
the Gale Watch, northwest winds 20 to 30 kt with gusts up to
40 kt and waves 7 to 12 ft possible.
* WHERE...Portions of Central and Eastern Lake Superior.
* WHEN...For the Small Craft Advisory, until 7 AM EST Wednesday.
For the Gale Watch, from 7 AM EST Wednesday through Thursday
morning.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1115 PM EST Tue Dec 2 2025
LHZ345>349-031415-
/O.EXT.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-
1115 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...
* WHAT...Highest gusts up to 30 kts from the west 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1115 PM EST Tue Dec 2 2025
LMZ323-341-342-344>346-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1115 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...
* WHAT...Highest gusts up to 35 kts from the west and highest
waves around 9 feet.
* WHERE...Portions of Lake Michigan.
* WHEN...Until 1 PM EST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1115 PM EST Tue Dec 2 2025
LSZ321-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1115 PM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 10 feet.
* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
923 PM CST Tue Dec 2 2025
LSZ121-145>148-031530-
/O.EXT.KDLH.SC.Y.0132.000000T0000Z-251205T1600Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
923 PM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM CST FRIDAY...
* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and waves
2 to 5 ft.
* WHERE...Chequamegon Bay-Bayfield to Oak Point WI, Duluth MN to
Port Wing WI, Port Wing to Sand Island WI, Sand Island to
Bayfield WI and Oak Point to Saxon Harbor WI.
* WHEN...Until 10 AM CST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...Wind gusts may drop below 20 knots for a
time early Wednesday morning and again Thursday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
Huyck
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
923 PM CST Tue Dec 2 2025
LSZ140>142-031530-
/O.EXT.KDLH.SC.Y.0132.000000T0000Z-251204T1800Z/
/O.NEW.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-
923 PM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON CST THURSDAY...
...GALE WATCH 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 4 ft. For the Gale
Watch, southwest winds 15 to 25 kt with gusts up to 40 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 Wednesday 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
923 PM CST Tue Dec 2 2025
LSZ150-031530-
/O.EXT.KDLH.SC.Y.0132.000000T0000Z-251204T1800Z/
/O.NEW.KDLH.GL.A.0018.251204T1800Z-251205T0600Z/
Outer Apostle Islands Beyond 5 NM from Mainland-
923 PM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON CST THURSDAY...
...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING...
* WHAT...For the Small Craft Advisory, northwest winds 15 to 25
kt with gusts up to 30 kt and waves 3 to 6 ft. For the Gale
Watch, southwest winds 15 to 25 kt with gusts up to 35 kt and
waves 3 to 6 ft possible.
* WHERE...Outer Apostle Islands Beyond 5 NM from Mainland.
* WHEN...For the Small Craft Advisory, until noon CST Thursday.
For the Gale Watch, from Thursday afternoon through Thursday
evening.
* IMPACTS...Strong winds can cause hazardous waves which could
capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Wind gusts may diminish below 20 knots for
several hours early Wednesday morning and again Thursday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and waves.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
904 PM CST Tue Dec 2 2025
LMZ521-522-031115-
/O.CON.KGRB.SC.Y.0092.000000T0000Z-251204T0900Z/
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-
904 PM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST
THURSDAY...
* WHAT...West winds 15 to 20 kts with gusts up to 25 kts and waves
2 to 4 ft.
* WHERE...Central and Southern Bay of Green Bay.
* WHEN...Until 3 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
904 PM CST Tue Dec 2 2025
LMZ541>543-031115-
/O.CON.KGRB.SC.Y.0092.000000T0000Z-251204T0900Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
904 PM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST
THURSDAY...
* WHAT...West winds 15 to 20 kts with gusts up to 25 kts and
waves 2 to 5 ft.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan.
* WHEN...Until 3 AM CST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
