343
WHUS73 KMKX 251031
MWWMKX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
531 AM CDT THU JUN 25 2026
LMZ364-366-563-565-567-643-669-868-870-251600-
/O.NEW.KMKX.MF.Y.0012.260625T1031Z-260625T1600Z/
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-SHEBOYGAN TO PORT WASHINGTON WI-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON 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-
531 AM CDT THU JUN 25 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING
* WHAT...AREAS OF DENSE FOG WILL REDUCE VISIBILITY TO 1/4 NM OR
LESS AT TIMES.
* WHERE...NEARSHORE WATERS FROM SHEBOYGAN TO PORT WASHINGTON. OPEN
WATERS NORTH OF A PORT WASHINGTON WI TO WHITEHALL MI LINE AND
ALONG / SOUTH OF WASHINGTON ISLAND.
* WHEN...UNTIL 11 AM CDT THIS MORNING.
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.
* ADDITIONAL DETAILS...DENSE FOG HAS BEEN CONFIRMED BY SHORELINE
CAMERAS ON THE WEST EDGE OF THE LAKE AS WELL AS REPORTS FROM AN
OPEN WATERS VESSEL. MODEL GUIDANCE SUGGESTS A GRADUAL DECREASE
IN FOG INTENSITY AND COVERAGE LATER THIS MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU MUST NAVIGATE, PROCEED WITH CAUTION. USE PROPER FOG
SIGNALS. MAKE SURE ALL RUNNING LIGHTS ARE ON. REMEMBER TO USE
YOUR RADAR AND COMPASS.
SHEPPARD
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