619
WHUS73 KDLH 240323
MWWDLH
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
923 PM CST MON FEB 23 2026
LSZ140-141-241530-
/O.CON.KDLH.SC.Y.0027.260224T0600Z-260225T1800Z/
/O.CON.KDLH.UP.W.0006.260224T1200Z-260224T1800Z/
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
923 PM CST MON FEB 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST
WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 6 AM TO
NOON CST TUESDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, WEST WINDS 15 TO 25 KT
WITH GUSTS UP TO 30 KT AND WAVES 5 TO 8 FT EXPECTED. FOR THE
HEAVY FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE
OF 2 CM PER HOUR OR GREATER EXPECTED, AND MAY RAPIDLY
ACCUMULATE ON VESSELS.
* WHERE...GRAND PORTAGE TO GRAND MARAIS MN AND GRAND MARAIS TO
TACONITE HARBOR MN.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL NOON CST WEDNESDAY.
FOR THE HEAVY FREEZING SPRAY WARNING, FROM 6 AM TO NOON CST
TUESDAY.
* IMPACTS...OPERATING A VESSEL IN HEAVY FREEZING SPRAY IS
HAZARDOUS. FREEZING SPRAY MAY RENDER MECHANICAL AND ELECTRONIC
COMPONENTS INOPERATIVE. RAPID ICE ACCRETION ON DECKS AND
SUPERSTRUCTURES MAY RESULT IN A CATASTROPHIC LOSS OF
STABILITY. CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD PREPARE FOR DANGEROUS ACCUMULATION OF ICE ON
THEIR VESSEL. IF POSSIBLE, REMAIN IN PORT, AVOID THE WARNING AREA
OR CONDUCT MITIGATION.
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN
HAZARDOUS CONDITIONS.
LSZ142-241530-
/O.CON.KDLH.SC.Y.0027.260224T0600Z-260225T1800Z/
TACONITE HARBOR TO SILVER BAY HARBOR MN-
923 PM CST MON FEB 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST
WEDNESDAY...
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES
2 TO 5 FT EXPECTED.
* WHERE...TACONITE HARBOR TO SILVER BAY HARBOR MN.
* WHEN...UNTIL NOON CST WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN
HAZARDOUS CONDITIONS.
LSZ143>146-148-241530-
/O.CON.KDLH.SC.Y.0027.260224T0900Z-260225T1500Z/
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-
DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI-
OAK POINT TO SAXON HARBOR WI-
923 PM CST MON FEB 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TUESDAY TO
9 AM CST WEDNESDAY...
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES
2 TO 5 FT EXPECTED.
* WHERE...SILVER BAY HARBOR TO TWO HARBORS MN, TWO HARBORS TO
DULUTH MN, DULUTH MN TO PORT WING WI, PORT WING TO SAND ISLAND
WI AND OAK POINT TO SAXON HARBOR WI.
* WHEN...FROM 3 AM TUESDAY TO 9 AM CST WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN
HAZARDOUS CONDITIONS.
LSZ150-241530-
/O.CON.KDLH.SC.Y.0027.260224T0600Z-260225T0300Z/
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
923 PM CST MON FEB 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST
TUESDAY...
* WHAT...SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
WAVES 3 TO 6 FT EXPECTED.
* WHERE...OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND.
* WHEN...UNTIL 9 PM CST TUESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN
HAZARDOUS CONDITIONS.
BJH
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