Gale Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
945 PM EST Tue Dec 9 2025
LMZ844>847-101045-
/O.CON.KGRR.SC.Y.0108.000000T0000Z-251210T0500Z/
/O.CON.KGRR.GL.W.0031.251210T0500Z-251211T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
945 PM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...
...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST WEDNESDAY...
* WHAT...For the Small Craft Advisory, south winds 15 to 25 knots
and waves 3 to 5 feet. For the Gale Warning, northwest gales to
35 knots and waves 6 to 11 feet expected.
* WHERE...St Joseph to Whitehall.
* WHEN...For the Small Craft Advisory, until midnight EST
tonight. For the Gale Warning, until 7 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
945 PM EST Tue Dec 9 2025
LMZ848-849-101045-
/O.CON.KGRR.SC.Y.0108.000000T0000Z-251210T1200Z/
/O.CON.KGRR.GL.W.0031.251210T1200Z-251211T0000Z/
Whitehall to Pentwater MI-Pentwater to Manistee MI-
945 PM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 7 PM EST
WEDNESDAY...
* WHAT...For the Small Craft Advisory, south winds 10 to 20 knots
with gusts up to 25 knots and waves 4 to 7 feet. For the Gale
Warning, north gales to 35 knots and waves 7 to 10 feet
expected.
* WHERE...Whitehall to Manistee.
* WHEN...For the Small Craft Advisory, until 7 AM EST Wednesday.
For the Gale Warning, from 7 AM to 7 PM EST Wednesday.
* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
905 PM CST Tue Dec 9 2025
LMZ080-673-675-777-779-874-876-878-101115-
/O.CON.KMKX.GL.W.0036.000000T0000Z-251211T0000Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
905 PM CST Tue Dec 9 2025
...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST WEDNESDAY...
* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 knots
tonight. Northwest winds 20 to 30 kt with gusts up to 40 kt on
Wednesday. Waves 10 to 15 ft expected.
* WHERE...Southern Third of the Open Waters of Lake Michigan.
* WHEN...Until 6 PM CST 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 severe conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
905 PM CST Tue Dec 9 2025
LMZ366-565-567-669-671-868-870-872-101115-
/O.CON.KMKX.GL.W.0036.251210T1100Z-251211T0000Z/
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
905 PM CST Tue Dec 9 2025
...GALE WARNING REMAINS IN EFFECT FROM 5 AM TO 6 PM CST
WEDNESDAY...
* WHAT...North winds 25 to 30 kt with gusts up to 35 kt and
waves 8 to 13 ft expected.
* WHERE...Central Third of the Open Waters of Lake Michigan.
* WHEN...From 5 AM to 6 PM CST Wednesday.
* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.
&&
$$
MRC
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
340 PM EST Tue Dec 9 2025
LHZ363-462>464-100930-
/O.NEW.KDTX.GL.W.0028.251210T1600Z-251211T0800Z/
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
340 PM EST Tue Dec 9 2025
...GALE WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 3 AM EST
THURSDAY...
* WHAT...Expect sustained winds up to 32 knots from the northwest
with gusts up to 36 knots. The largest significant waves will
be 13 feet with a potential maximum wave height of 19 feet.
* WHERE...Lake Huron from Sturgeon Point to Alabaster MI beyond
5NM off shore, Lake Huron from Port Austin to Harbor Beach
beyond 5NM Off Shore, Lake Huron from Harbor Beach to Port
Sanilac beyond 5NM Off Shore and Lake Huron from Port Sanilac
to Port Huron beyond 5NM Off Shore.
* WHEN...The maximum winds are expected around 7 PM EST
Wednesday with the largest waves expected around 7 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
340 PM EST Tue Dec 9 2025
LHZ421-441-442-100930-
/O.UPG.KDTX.SC.Y.0094.000000T0000Z-251211T0900Z/
/O.NEW.KDTX.GL.W.0028.251210T1600Z-251211T0400Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Harbor Beach to Port Sanilac MI-
340 PM EST Tue Dec 9 2025
...GALE WARNING IN EFFECT FROM 11 AM TO 11 PM EST WEDNESDAY...
* WHAT...Expect sustained winds up to 32 knots from the
northwest with gusts up to 36 knots. The largest significant
waves will be 11 feet with a potential maximum wave height of
16 feet.
* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
Inner Saginaw Bay, Port Austin to Harbor Beach MI and Harbor
Beach to Port Sanilac MI.
* WHEN...The maximum winds are expected around 7 PM EST
Wednesday with the largest waves expected around 7 PM EST
Wednesday.
* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
257 PM EST Tue Dec 9 2025
LMZ043-046-100500-
/O.CON.KIWX.SC.Y.0076.000000T0000Z-251210T0300Z/
/O.CON.KIWX.GL.W.0017.251210T0300Z-251211T0000Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
257 PM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 PM
EST WEDNESDAY...
* WHAT...For the Small Craft Advisory, southwest winds 15 to 20
knots with gusts up to 25 knots and waves 2 to 5 feet. For the
Gale Warning, west winds 20 to 30 knots with gusts up to 35
knots and waves 9 to 14 feet expected.
* WHERE...Michigan City IN to St Joseph MI.
* WHEN...For the Small Craft Advisory, until 10 PM EST this
evening. For the Gale Warning, from 10 PM this evening to 7 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.
&&
$$