WHUS73 KMKX 221215

MWWMKX



URGENT - MARINE WEATHER MESSAGE

National Weather Service Milwaukee/Sullivan WI

715 AM CDT Sun Mar 22 2026



LMZ645-646-222015-

/O.UPG.KMKX.SC.Y.0031.000000T0000Z-260323T0600Z/

/O.NEW.KMKX.GL.W.0018.260322T1215Z-260323T0300Z/

North Point Light to Wind Point WI-

Wind Point WI to Winthrop Harbor IL-

715 AM CDT Sun Mar 22 2026



...GALE WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING...



* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves

  6 to 9 ft.



* WHERE...Nearshore Waters from North Point Lighthouse to 

  Winthrop Harbor IL.



* WHEN...Until 10 PM CDT this evening.



* IMPACTS...Strong winds will cause hazardous waves which could 

  capsize or damage vessels and reduce visibility.



* ADDITIONAL DETAILS...Will likely need a short term Small Craft 

  Advisory following the Gale Warning.



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.



&&



$$



LMZ080-671-673-675-777-779-872-874-876-878-222015-

/O.NEW.KMKX.GL.W.0018.260322T1215Z-260323T0600Z/

Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to

mid-line of 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 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-

715 AM CDT Sun Mar 22 2026



...GALE WARNING IN EFFECT UNTIL 1 AM CDT MONDAY...



* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves

  7 to 12 ft.



* WHERE...Southern Third of the Open Waters of Lake Michigan, 

  Lake Michigan from Port Washington to North Point Light WI 5NM 

  offshore to Mid Lake, and Lake Michigan from Grand Haven to 

  Whitehall MI 5NM offshore to Mid Lake.



* WHEN...Until 1 AM CDT Monday.



* 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.



&&



$$



LMZ643-644-222015-

/O.CON.KMKX.SC.Y.0031.000000T0000Z-260323T0600Z/

Sheboygan to Port Washington WI-

Port Washington to North Point Light WI-

715 AM CDT Sun Mar 22 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...



* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and 

  waves 4 to 7 ft.



* WHERE...Nearshore Waters from Sheboygan to North Point 

  Lighthouse.



* WHEN...Until 1 AM CDT Monday.



* IMPACTS...Conditions will be hazardous to small craft.



* ADDITIONAL DETAILS...A few gale force gusts to 35 kts cannot be

  ruled out this morning.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$