Storm Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
225 PM CST Tue Nov 25 2025
LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-260430-
/O.UPG.KMKX.SR.A.0001.251126T1200Z-251127T0900Z/
/O.NEW.KMKX.SR.W.0003.251126T1200Z-251127T0600Z/
/O.EXT.KMKX.GL.W.0031.251127T0600Z-251128T0600Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
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 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 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-
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-
225 PM CST Tue Nov 25 2025
...STORM WARNING IN EFFECT FROM 6 AM WEDNESDAY TO MIDNIGHT CST
WEDNESDAY NIGHT...
...GALE WARNING NOW IN EFFECT FROM MIDNIGHT WEDNESDAY NIGHT TO
MIDNIGHT CST THURSDAY NIGHT...
* WHAT...For the Storm Warning, west winds 35 to 45 kt with
gusts up to 50 kt and waves 17 to 22 ft expected. For the Gale
Warning, northwest winds 30 to 40 kt with gusts up to 45 kt
and waves 14 to 19 ft expected.
* WHERE...Southern Two Thirds of the Open Waters of Lake
Michigan.
* WHEN...For the Storm Warning, from 6 AM Wednesday to midnight
CST Wednesday night. For the Gale Warning, from midnight
Wednesday night to midnight CST Thursday night.
* IMPACTS...Very strong winds will cause hazardous waves which
could capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
225 PM EST Tue Nov 25 2025
LMZ844>849-260330-
/O.EXT.KGRR.GL.W.0025.251126T0600Z-251126T1200Z/
/O.UPG.KGRR.SR.A.0001.251126T1500Z-251127T1200Z/
/O.NEW.KGRR.SR.W.0002.251126T1200Z-251127T0600Z/
/O.CAN.KGRR.GL.W.0026.251127T1200Z-251128T0600Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
225 PM EST Tue Nov 25 2025
...GALE WARNING NOW IN EFFECT FROM 1 AM TO 7 AM EST WEDNESDAY...
...STORM WARNING IN EFFECT FROM 7 AM WEDNESDAY TO 1 AM EST
THURSDAY...
* WHAT...For the Gale Warning, southwest gales to 35 knots and
waves 6 to 9 feet expected. For the Storm Warning, west gales to
40 knots increasing to storm force winds to 50 knots and waves
14 to 20 feet expected.
* WHERE...St Joseph to Manistee.
* WHEN...For the Gale Warning, from 1 AM to 7 AM EST Wednesday.
For the Storm Warning, from 7 AM Wednesday to 1 AM EST
Thursday.
* IMPACTS...Storm force winds and hazardous waves will capsize
or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...Deep low pressure will move through the
Great Lakes region from Wednesday into Thursday. Strong winds
are expected beginning late tonight as southwest gales develop.
Winds will increase on Wednesday to storm force to 50 knots.
Storm force winds will continue into Wednesday evening and
Wednesday night. Waves will build into the 14 to 20 foot range
in all areas.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.
&&
$$
DUKE
