Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
256 AM CST Wed Dec 31 2025
LMZ521-541>543-311700-
/O.CON.KGRB.SC.Y.0107.251231T1800Z-260101T1200Z/
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-
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
256 AM CST Wed Dec 31 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM
CST THURSDAY...
* WHAT...Northwest winds 10 to 20 kts with gusts up to 30 kt and
waves 2 to 4 ft expected in ice free areas.
* WHERE...Lake Michigan nearshore waters from Washington Island to
Sheboygan, and Central Bay of Green Bay.
* WHEN...From noon Wednesday to 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.
&&
$$
mpc
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
256 AM CST Wed Dec 31 2025
LMZ522-311700-
/O.EXT.KGRB.SC.Y.0107.251231T1800Z-260101T0200Z/
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
256 AM CST Wed Dec 31 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 8 PM CST
THIS EVENING...
* WHAT...Northwest winds 10 to 20 kts with gusts up to 25 kts and
waves 2 ft or less expected in ice free areas.
* WHERE...Southern Bay of Green Bay.
* WHEN...From noon today to 8 PM CST this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
420 AM EST Wed Dec 31 2025
LMZ221-248-250-312130-
/O.CON.KMQT.SC.Y.0215.251231T1800Z-260101T1200Z/
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-
420 AM EST Wed Dec 31 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 7 AM EST THURSDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and
waves 1 to 2 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 1 PM this afternoon to 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
300 AM EST Wed Dec 31 2025
LMZ844>849-311600-
/O.CON.KGRR.SC.Y.0118.000000T0000Z-260101T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
300 AM EST Wed Dec 31 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...
* WHAT...Northwest winds to 30 knots and waves 7 to 10 feet.
* WHERE...St Joseph to Manistee.
* WHEN...Until 7 PM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
235 AM EST Wed Dec 31 2025
LMZ341-345-346-311545-
/O.UPG.KAPX.GL.A.0025.251231T1500Z-260101T0900Z/
/O.NEW.KAPX.SC.Y.0137.251231T1200Z-260102T0000Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
235 AM EST Wed Dec 31 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 7 PM
EST THURSDAY...
* WHAT...Highest gusts up to 30 kts from the northwest and highest
waves around 9 feet expected. Brief periods of gale force gusts
possible late this afternoon into tonight.
* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge, Point
Betsie to Sleeping Bear Point MI and Manistee to Point Betsie
MI.
* WHEN...From 7 AM this morning to 7 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.
&&
$$
