827
WHUS73 KDLH 271217
MWWDLH
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
717 AM CDT MON APR 27 2026
LSZ140>144-280030-
/O.EXP.KDLH.MF.Y.0012.000000T0000Z-260427T1200Z/
/O.CON.KDLH.SC.Y.0053.000000T0000Z-260428T0900Z/
/O.CON.KDLH.GL.A.0011.260428T0900Z-260428T1800Z/
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-
717 AM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
TUESDAY...
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
..DENSE FOG ADVISORY HAS EXPIRED
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHEAST WINDS 10 TO 20
KT WITH GUSTS UP TO 30 KT AND WAVES 2 TO 5 FT. FOR THE GALE
WATCH, NORTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 35 KT AND
WAVES 1 TO 4 FT POSSIBLE.
* WHERE...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 AND TWO HARBORS TO DULUTH
MN.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 4 AM CDT TUESDAY.
FOR THE GALE WATCH, FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND WAVES.
LSZ145-146-280030-
/O.EXP.KDLH.MF.Y.0012.000000T0000Z-260427T1200Z/
/O.CON.KDLH.SC.Y.0053.000000T0000Z-260428T1800Z/
DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI-
717 AM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT
TUESDAY...
..DENSE FOG ADVISORY HAS EXPIRED
* WHAT...NORTH WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND
WAVES 2 TO 5 FT.
* WHERE...DULUTH MN TO PORT WING WI AND PORT WING TO SAND ISLAND
WI.
* WHEN...UNTIL 1 PM CDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN
HAZARDOUS CONDITIONS.
LSZ147-150-280030-
/O.CON.KDLH.SC.Y.0053.000000T0000Z-260428T1800Z/
SAND ISLAND TO BAYFIELD WI-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
717 AM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT
TUESDAY...
* WHAT...NORTH WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND
WAVES 1 TO 4 FT.
* WHERE...SAND ISLAND TO BAYFIELD WI AND OUTER APOSTLE ISLANDS
BEYOND 5 NM FROM MAINLAND.
* WHEN...UNTIL 1 PM CDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN
HAZARDOUS CONDITIONS.
LSZ121-148-280030-
/O.CON.KDLH.SC.Y.0054.260428T0900Z-260428T1800Z/
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
OAK POINT TO SAXON HARBOR WI-
717 AM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 1 PM CDT
TUESDAY...
* WHAT...WEST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND WAVES
1 TO 3 FT EXPECTED.
* WHERE...CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI AND OAK POINT
TO SAXON HARBOR WI.
* WHEN...FROM 4 AM TO 1 PM CDT TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN
HAZARDOUS CONDITIONS.
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