471
WHUS73 KMKX 130239
MWWMKX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
939 PM CDT FRI SEP 12 2025
LMZ644-671-872-130345-
/O.CAN.KMKX.MF.Y.0011.000000T0000Z-250913T0300Z/
PORT WASHINGTON TO NORTH POINT LIGHT WI-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5NM OFFSHORE TO
MID LAKE-
939 PM CDT FRI SEP 12 2025
..DENSE FOG ADVISORY IS CANCELLED
SATELLITE DATA AND SHORELINE AUTOMATED STATION OBSERVATIONS
INDICATE THAT DENSE FOG HAS DISSIPATED IN THIS AREA.
LMZ643-669-870-131045-
/O.EXT.KMKX.MF.Y.0011.000000T0000Z-250913T1500Z/
SHEBOYGAN TO PORT WASHINGTON WI-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5NM OFFSHORE TO MID
LAKE-
939 PM CDT FRI SEP 12 2025
..DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM CDT SATURDAY
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO 1 NM OR LESS.
* WHERE...NEARSHORE WATERS FROM SHEBOYGAN TO PORT WASHINGTON,
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5NM
OFFSHORE TO MID LAKE, AND LAKE MICHIGAN FROM WHITEHALL TO
PENTWATER MI 5NM OFFSHORE TO MID LAKE.
* WHEN...UNTIL 10 AM CDT SATURDAY.
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.
* ADDITIONAL DETAILS...CURRENTLY, THE WORST OF THE FOG IS LOCATED
ADJACENT TO SHEBOYGAN COUNTY, TOWARDS THE WESTERN SIDE OF THE
LAKE. SHEBOYGAN AIRPORT REPORTS VISIBILITY DROPS TO AROUND 0.2
NM.
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.
LMZ261-362-364-366-563-565-567-868-131045-
/O.CON.KMKX.MF.Y.0011.000000T0000Z-250913T1500Z/
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-
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-
939 PM CDT FRI SEP 12 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
SATURDAY...
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN 1 NM.
* WHERE...NORTHERN OPEN WATERS OF LAKE MICHIGAN.
* WHEN...UNTIL 10 AM CDT SATURDAY.
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.
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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