652
WHUS73 KMKX 040833
MWWMKX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
233 AM CST THU DEC 4 2025
LMZ643>646-041645-
/O.CAN.KMKX.SC.Y.0105.000000T0000Z-251204T1200Z/
/O.NEW.KMKX.SC.Y.0106.251205T0400Z-251205T1700Z/
SHEBOYGAN TO PORT WASHINGTON WI-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
NORTH POINT LIGHT TO WIND POINT WI-
WIND POINT WI TO WINTHROP HARBOR IL-
233 AM CST THU DEC 4 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
11 AM CST FRIDAY...
* WHAT...SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT
EXPECTED.
* WHERE...NEARSHORE WATERS FROM SHEBOYGAN TO WINTHROP HARBOR IL.
* WHEN...FROM 10 PM THIS EVENING TO 11 AM CST FRIDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LMZ567-868-041645-
/O.EXA.KMKX.GL.W.0034.251205T0300Z-251205T1500Z/
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5NM OFFSHORE TO MID
LAKE-
233 AM CST THU DEC 4 2025
...GALE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM CST
FRIDAY...
* WHAT...SOUTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT AND
WAVES 6 TO 11 FT EXPECTED.
* WHERE...NORTHERN HALF OF LAKE MICHIGAN.
* WHEN...FROM 9 PM THIS EVENING TO 9 AM CST FRIDAY.
* 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.
LMZ261-362-364-366-563-565-041645-
/O.CON.KMKX.GL.W.0034.251205T0300Z-251205T1500Z/
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI 5NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5NM OFFSHORE TO
MID LAKE-
233 AM CST THU DEC 4 2025
...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM
CST FRIDAY...
* WHAT...SOUTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND
WAVES 7 TO 12 FT EXPECTED.
* WHERE...NORTHERN HALF OF LAKE MICHIGAN.
* WHEN...FROM 9 PM THIS EVENING TO 9 AM CST FRIDAY.
* 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.
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