540
WHUS73 KDLH 190813
MWWDLH
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
313 AM CDT TUE AUG 19 2025
LSZ121-140>148-150-191400-
/O.CON.KDLH.MF.Y.0018.000000T0000Z-250819T1400Z/
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-
DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI-
SAND ISLAND TO BAYFIELD WI-OAK POINT TO SAXON HARBOR WI-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
313 AM CDT TUE AUG 19 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS
MORNING...
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO 1 NM OR LESS.
* WHERE...PORTIONS OF LAKE SUPERIOR.
* WHEN...UNTIL 9 AM CDT THIS MORNING.
* 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
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