Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1016 AM EST Tue Dec 2 2025
LMZ221-248-250-030330-
/O.CON.KMQT.SC.Y.0191.251202T2100Z-251204T0000Z/
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-
1016 AM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 7 PM EST WEDNESDAY...
* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves
2 to 5 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 Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1016 AM EST Tue Dec 2 2025
LSZ240-241-250-030330-
/O.CON.KMQT.SC.Y.0191.251202T2100Z-251204T0000Z/
Saxon Harbor WI to Black River MI-Black River to Ontonagon MI-
Munising to Grand Marais MI-
1016 AM EST Tue Dec 2 2025 /916 AM CST Tue Dec 2 2025/
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM EST /3 PM
CST/ THIS AFTERNOON TO 7 PM EST /6 PM CST/ WEDNESDAY...
* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves
7 to 10 ft expected.
* WHERE...Saxon Harbor WI to Black River MI, Black River to
Ontonagon MI and Munising to Grand Marais MI.
* WHEN...From 4 PM EST /3 PM CST/ this afternoon to 7 PM EST /6
PM CST/ Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1016 AM EST Tue Dec 2 2025
LSZ242-030330-
/O.CON.KMQT.SC.Y.0189.000000T0000Z-251204T0000Z/
Ontonagon to Upper Entrance of Portage Canal MI-
1016 AM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
WEDNESDAY...
* WHAT...West winds 15 to 25 kt with a few gale force gusts up to
35 kt and waves 5 to 8 ft occurring.
* WHERE...Ontonagon to Upper Entrance of Portage Canal MI.
* WHEN...Until 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1016 AM EST Tue Dec 2 2025
LSZ243-244-030330-
/O.CON.KMQT.SC.Y.0189.000000T0000Z-251204T0000Z/
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
1016 AM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
WEDNESDAY...
* WHAT...West winds 15 to 25 kt with a few gale force gusts up to
35 kt and waves 6 to 9 ft occurring.
* WHERE...Upper Entrance of Portage Canal to Eagle River MI and
Eagle River to Manitou Island MI.
* WHEN...Until 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1016 AM EST Tue Dec 2 2025
LSZ245>249-251-030330-
/O.CON.KMQT.SC.Y.0191.251203T0000Z-251204T0000Z/
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-Grand Marais to Whitefish Point MI-
1016 AM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...
* WHAT...West winds 15 to 25 kt with a few gale force gusts up to
35 kt and waves 6 to 9 ft expected.
* WHERE...Portions of Central and Eastern Lake Superior.
* WHEN...From 7 PM this evening to 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1040 AM CST Tue Dec 2 2025
LMZ521-522-030045-
/O.CON.KGRB.SC.Y.0092.251203T0000Z-251204T0900Z/
Green Bay south of line from Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
1040 AM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 3 AM CST THURSDAY...
* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves
2 to 5 ft expected.
* WHERE...Central and Southern Bay of Green Bay.
* WHEN...From 6 PM this evening to 3 AM CST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1040 AM CST Tue Dec 2 2025
LMZ541>543-030045-
/O.CON.KGRB.SC.Y.0092.251203T0000Z-251204T0900Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1040 AM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 3 AM CST THURSDAY...
* WHAT...West winds 15 to 20 kt with gusts up to 30 kt and waves
1 to 4 ft expected.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan.
* WHEN...From 6 PM this evening to 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
949 AM CST Tue Dec 2 2025
LSZ121-141>148-030400-
/O.EXA.KDLH.SC.Y.0132.251202T1800Z-251203T0400Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
949 AM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...
* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and
waves 1 to 3 ft expected.
* WHERE...Portions of Lake Superior.
* WHEN...Until 10 PM CST this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
949 AM CST Tue Dec 2 2025
LSZ140-030400-
/O.CON.KDLH.SC.Y.0132.251202T1800Z-251203T0400Z/
Grand Portage to Grand Marais MN-
949 AM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS
EVENING...
* WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and
waves 3 to 6 ft expected.
* WHERE...Grand Portage to Grand Marais MN.
* WHEN...Until 10 PM CST this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
949 AM CST Tue Dec 2 2025
LSZ150-030400-
/O.CON.KDLH.SC.Y.0132.251202T1800Z-251203T0600Z/
Outer Apostle Islands Beyond 5 NM from Mainland-
949 AM CST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and
waves 2 to 4 ft expected.
* WHERE...Outer Apostle Islands Beyond 5 NM from Mainland.
* WHEN...Until midnight CST tonight.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1030 AM EST Tue Dec 2 2025
LHZ345>349-022345-
/O.CON.KAPX.SC.Y.0118.251203T0300Z-251204T0000Z/
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-
1030 AM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 7 PM EST WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the southwest and
highest waves around 7 feet expected.
* 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...From 10 PM this evening to 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1030 AM EST Tue Dec 2 2025
LMZ323-341-342-344>346-022345-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1030 AM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 8 feet expected.
* WHERE...Portions of Lake Michigan.
* WHEN...From 7 PM this evening to 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1030 AM EST Tue Dec 2 2025
LSZ321-022345-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1030 AM EST Tue Dec 2 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 8 feet expected.
* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois MI.
* WHEN...From 7 PM this evening to 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
