Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
358 AM EST Tue Dec 9 2025
LMZ221-091400-
/O.CON.KMQT.SC.Y.0196.000000T0000Z-251209T1400Z/
Green Bay North of line from Cedar River MI to Rock Island
Passage-
358 AM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING...
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and
waves 3 to 6 ft occurring.
* WHERE...Green Bay North of line from Cedar River MI to Rock
Island Passage.
* WHEN...Until 9 AM EST this morning.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
358 AM EST Tue Dec 9 2025
LMZ248-250-091800-
/O.CON.KMQT.SC.Y.0196.000000T0000Z-251209T1800Z/
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
358 AM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves
6 to 9 ft occurring.
* WHERE...Seul Choix Point to Point Detour MI and 5NM East of a
line from Fairport MI to Rock Island Passage.
* WHEN...Until 1 PM EST this afternoon.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
358 AM EST Tue Dec 9 2025
LSZ249-250-092100-
/O.CON.KMQT.SC.Y.0196.000000T0000Z-251209T1200Z/
/O.NEW.KMQT.GL.W.0059.251210T1200Z-251211T0300Z/
Marquette to Munising MI-Munising to Grand Marais MI-
358 AM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...
...GALE WARNING IN EFFECT FROM 7 AM TO 10 PM EST WEDNESDAY...
* WHAT...For the Small Craft Advisory, southwest winds 15 to 20
kt with gusts up to 25 kt and waves 1 to 3 ft occurring. For
the Gale Warning, north winds 20 to 30 kt with gusts up to 40
kt and waves 7 to 12 ft expected.
* WHERE...Marquette to Munising MI and Munising to Grand Marais
MI.
* WHEN...For the Small Craft Advisory, until 7 AM EST this
morning. For the Gale Warning, from 7 AM to 10 PM EST
Wednesday.
* 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
358 AM EST Tue Dec 9 2025
LSZ251-091200-
/O.CON.KMQT.SC.Y.0196.000000T0000Z-251209T1200Z/
Grand Marais to Whitefish Point MI-
358 AM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...
* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and
waves 1 to 3 ft occurring.
* WHERE...Grand Marais to Whitefish Point MI.
* WHEN...Until 7 AM EST this morning.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
306 AM CST Tue Dec 9 2025
LMZ521-522-091800-
/O.CON.KGRB.SC.Y.0094.000000T0000Z-251209T1200Z/
/O.NEW.KGRB.SC.Y.0095.251210T0600Z-251211T0000Z/
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-
306 AM CST Tue Dec 9 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
CST WEDNESDAY...
* WHAT...For the first Small Craft Advisory, southwest winds 15
to 20 kt with gusts up to 30 kt and waves 1 to 4 ft. For the
second Small Craft Advisory, north winds 15 to 25 kt with
gusts up to 35 kt and waves 3 to 6 ft expected.
* WHERE...Central and Southern Bay of Green Bay.
* WHEN...For the first Small Craft Advisory, until 6 AM CST
early this morning. For the second Small Craft Advisory, from
midnight tonight to 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
306 AM CST Tue Dec 9 2025
LMZ541-091800-
/O.CON.KGRB.SC.Y.0094.000000T0000Z-251209T2100Z/
/O.NEW.KGRB.SC.Y.0095.251210T0600Z-251211T0000Z/
Rock Island Passage to Sturgeon Bay WI-
306 AM CST Tue Dec 9 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
CST WEDNESDAY...
* WHAT...For the first Small Craft Advisory, west winds 15 to 25
kt with gusts up to 30 kt and waves 6 to 9 ft. For the second
Small Craft Advisory, north winds 15 to 25 kt with gusts up to
30 kt and waves 4 to 7 ft expected.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sturgeon Bay.
* WHEN...For the first Small Craft Advisory, until 3 PM CST this
afternoon. For the second Small Craft Advisory, from midnight
tonight to 6 PM CST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
JLA
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
300 AM CST Tue Dec 9 2025
LSZ121-146>148-150-092100-
/O.EXP.KDLH.SC.Y.0135.000000T0000Z-251209T0900Z/
/O.NEW.KDLH.SC.Y.0136.251210T0400Z-251210T1600Z/
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-
300 AM CST Tue Dec 9 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 AM CST WEDNESDAY...
* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and
waves 5 to 8 ft expected.
* 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...From 10 PM this evening to 10 AM CST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
300 AM CST Tue Dec 9 2025
LSZ142-092100-
/O.EXP.KDLH.SC.Y.0135.000000T0000Z-251209T0900Z/
/O.NEW.KDLH.SC.Y.0136.251210T0400Z-251210T1600Z/
Taconite Harbor to Silver Bay Harbor MN-
300 AM CST Tue Dec 9 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 AM CST WEDNESDAY...
* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and
waves 1 to 4 ft expected.
* WHERE...Taconite Harbor to Silver Bay Harbor MN.
* WHEN...From 10 PM this evening to 10 AM CST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
259 AM EST Tue Dec 9 2025
LHZ345>347-LSZ321-322-091500-
/O.CON.KAPX.SC.Y.0121.000000T0000Z-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-
259 AM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
* WHAT...Highest gusts up to 30 kts from the south and highest
waves around 6 feet.
* 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...Until 10 AM EST this morning.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
