134
WHUS73 KMKX 122307
MWWMKX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
607 PM CDT TUE MAY 12 2026
LMZ644>646-130715-
/O.UPG.KMKX.SC.Y.0051.000000T0000Z-260513T2100Z/
/O.EXB.KMKX.GL.W.0026.000000T0000Z-260513T0200Z/
/O.NEW.KMKX.SC.Y.0052.260513T0200Z-260513T2100Z/
PORT WASHINGTON TO NORTH POINT LIGHT WI-
NORTH POINT LIGHT TO WIND POINT WI-
WIND POINT WI TO WINTHROP HARBOR IL-
607 PM CDT TUE MAY 12 2026
..GALE WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT WEDNESDAY
* WHAT...FOR THE GALE WARNING, SOUTH TO SOUTHWEST WINDS AS HIGH AS
40 KNOTS. FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 10 TO
20 KT WITH GUSTS UP TO 30 KT EXPECTED.
* WHERE...NEARSHORE WATERS FROM PORT WASHINGTON TO WINTHROP
HARBOR IL.
* WHEN...FOR THE GALE WARNING, UNTIL 9 PM CDT THIS EVENING. FOR
THE SMALL CRAFT ADVISORY, UNTIL 4 PM CDT 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.
LMZ673-675-874-876-130400-
/O.EXA.KMKX.GL.W.0026.000000T0000Z-260513T0400Z/
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 HOLLAND TO GRAND HAVEN MI 5NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5NM OFFSHORE TO MID
LAKE-
607 PM CDT TUE MAY 12 2026
..GALE WARNING IN EFFECT UNTIL 11 PM CDT THIS EVENING
* WHAT...SOUTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT.
* WHERE...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 HOLLAND TO GRAND HAVEN MI 5NM OFFSHORE TO MID LAKE AND
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5NM OFFSHORE TO
MID LAKE.
* WHEN...UNTIL 11 PM CDT THIS EVENING.
* 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.
LMZ643-130715-
/O.EXT.KMKX.GL.W.0026.000000T0000Z-260513T0200Z/
/O.EXT.KMKX.SC.Y.0051.260513T0200Z-260513T2100Z/
SHEBOYGAN TO PORT WASHINGTON WI-
607 PM CDT TUE MAY 12 2026
..GALE WARNING NOW IN EFFECT UNTIL 9 PM CDT THIS EVENING
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM CDT WEDNESDAY
* WHAT...FOR THE GALE WARNING, SOUTH TO SOUTHWEST WINDS 15 TO 25
KT WITH GUSTS UP TO 35 KT AND WAVES 6 TO 9 FT. FOR THE SMALL
CRAFT ADVISORY, WEST TO NORTHWEST WINDS 15 TO 20 KT WITH GUSTS
UP TO 30 KT AND WAVES 4 TO 7 FT SUBSIDING TO 3 TO 5 FEET.
* WHERE...NEARSHORE WATERS FROM SHEBOYGAN TO PORT WASHINGTON.
* WHEN...FOR THE GALE WARNING, UNTIL 9 PM CDT THIS EVENING. FOR
THE SMALL CRAFT ADVISORY, UNTIL 4 PM CDT 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.
LMZ364-366-563-565-567-669-671-868-870-872-130400-
/O.CON.KMKX.GL.W.0026.000000T0000Z-260513T0400Z/
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-
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-
607 PM CDT TUE MAY 12 2026
..GALE WARNING REMAINS IN EFFECT UNTIL 11 PM CDT THIS EVENING
* WHAT...SOUTHWEST WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT AND
WAVES 7 TO 11 FT.
* WHERE...CENTRAL THIRD OF THE OPEN WATERS OF LAKE MICHIGAN,
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5NM OFFSHORE
TO MID LAKE, AND LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO
STURGEON BAY WI 5NM OFFSHORE TO MID LAKE.
* WHEN...UNTIL 11 PM CDT THIS EVENING.
* 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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