790
WHUS73 KMKX 210319
MWWMKX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
919 PM CST MON JAN 20 2025
LMZ643>646-210430-
/O.CAN.KMKX.SC.Y.0006.000000T0000Z-250121T0900Z/
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-
919 PM CST MON JAN 20 2025
..SMALL CRAFT ADVISORY IS CANCELLED
WINDS HAVE DIMINISHED BELOW SMALL CRAFT ADVISORY CRITERIA AND ARE
EXPECTED TO REMAIN BELOW CRITERIA THROUGH TONIGHT. THEREFORE, THE
ADVISORY HAS BEEN CANCELED.
LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-211130-
/O.CON.KMKX.UP.W.0001.000000T0000Z-250122T0000Z/
LAKE MICHIGAN MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO
MID-LINE OF 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-
919 PM CST MON JAN 20 2025
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 6 PM CST
TUESDAY...
* WHAT...HEAVY FREEZING SPRAY AT A RATE OF 2 CM PER HOUR OR
GREATER MAY RAPIDLY ACCUMULATE ON VESSELS.
* WHERE...SOUTHERN HALF OF THE OPEN WATERS OF LAKE MICHIGAN,
ALONG AND SOUTH OF A LINE FROM TWO RIVERS WI TO MANISTEE MI.
* WHEN...UNTIL 6 PM CST TUESDAY.
* IMPACTS...OPERATING A VESSEL IN HEAVY FREEZING SPRAY IS
HAZARDOUS. FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC
COMPONENTS INOPERATIVE. RAPID ICE ACCRETION ON DECKS AND
SUPERSTRUCTURES MAY RESULT IN A CATASTROPHIC LOSS OF STABILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE FOR DANGEROUS ACCUMULATION OF ICE ON
THEIR VESSEL. IF POSSIBLE, REMAIN IN PORT, AVOID THE WARNING AREA
OR CONDUCT MITIGATION.
LMZ261-362-364-366-563-565-211130-
/O.CON.KMKX.UP.W.0001.000000T0000Z-250121T1200Z/
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-
919 PM CST MON JAN 20 2025
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 6 AM CST
TUESDAY...
* WHAT...HEAVY FREEZING SPRAY AT A RATE OF 2 CM PER HOUR OR
GREATER MAY RAPIDLY ACCUMULATE ON VESSELS.
* WHERE...NORTHERN HALF OF THE OPEN WATERS OF LAKE MICHIGAN,
ALONG AND NORTH OF A LINE FROM TWO RIVERS WI TO MANISTEE MI.
* WHEN...UNTIL 6 AM CST TUESDAY.
* IMPACTS...OPERATING A VESSEL IN HEAVY FREEZING SPRAY IS
HAZARDOUS. FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC
COMPONENTS INOPERATIVE. RAPID ICE ACCRETION ON DECKS AND
SUPERSTRUCTURES MAY RESULT IN A CATASTROPHIC LOSS OF STABILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE FOR DANGEROUS ACCUMULATION OF ICE ON
THEIR VESSEL. IF POSSIBLE, REMAIN IN PORT, AVOID THE WARNING AREA
OR CONDUCT MITIGATION.
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