453
WHUS73 KDLH 301616
MWWDLH
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
1116 AM CDT TUE JUN 30 2026
LSZ140>147-150-010000-
/O.NEW.KDLH.MF.Y.0020.260630T1616Z-260701T0000Z/
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-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1116 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
* WHAT...DENSE FOG WILL OCCASIONALLY REDUCE VISIBILITY TO BELOW 1
NM.
* WHERE...PORTIONS OF LAKE SUPERIOR, FROM GRAND PORTAGE AROUND THE
HEAD OF THE LAKE AND THROUGH THE OUTER APOSTLES.
* WHEN...UNTIL 7 PM CDT THIS EVENING.
* 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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