479
WHUS73 KDLH 241555
MWWDLH
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
955 AM CST TUE FEB 24 2026
LSZ146-150-250400-
/O.EXT.KDLH.SC.Y.0027.000000T0000Z-260225T1800Z/
/O.NEW.KDLH.UP.W.0007.260225T0300Z-260225T1400Z/
PORT WING TO SAND ISLAND WI-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
955 AM CST TUE FEB 24 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON CST WEDNESDAY
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 9 PM THIS EVENING
TO 8 AM CST WEDNESDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, WEST WINDS 15 TO 25 KT WITH
GUSTS UP TO 30 KT AND WAVES 2 TO 5 FT. 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...PORT WING TO SAND ISLAND WI AND OUTER APOSTLE ISLANDS
BEYOND 5 NM FROM MAINLAND.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL NOON CST WEDNESDAY.
FOR THE HEAVY FREEZING SPRAY WARNING, FROM 9 PM THIS EVENING
TO 8 AM CST WEDNESDAY.
* 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.
LSZ140-141-250400-
/O.CON.KDLH.UP.W.0006.000000T0000Z-260224T1800Z/
/O.CON.KDLH.SC.Y.0027.000000T0000Z-260225T1800Z/
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
955 AM CST TUE FEB 24 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL NOON CST
TODAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST
WEDNESDAY...
* WHAT...FOR THE HEAVY FREEZING SPRAY WARNING, HEAVY FREEZING
SPRAY AT A RATE OF 2 CM PER HOUR OR GREATER MAY RAPIDLY
ACCUMULATE ON VESSELS. FOR THE SMALL CRAFT ADVISORY, NORTHWEST
WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND WAVES 1 TO 2 FT.
* WHERE...GRAND PORTAGE TO GRAND MARAIS MN AND GRAND MARAIS TO
TACONITE HARBOR MN.
* WHEN...FOR THE HEAVY FREEZING SPRAY WARNING, UNTIL NOON CST
TODAY. FOR THE SMALL CRAFT ADVISORY, UNTIL NOON CST WEDNESDAY.
* 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.
LSZ143-144-250400-
/O.EXT.KDLH.SC.Y.0027.000000T0000Z-260225T1800Z/
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-
955 AM CST TUE FEB 24 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON CST WEDNESDAY
* WHAT...WEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND WAVES
1 TO 4 FT.
* WHERE...SILVER BAY HARBOR TO TWO HARBORS MN AND TWO HARBORS TO
DULUTH 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.
LSZ145-148-250400-
/O.EXT.KDLH.SC.Y.0027.000000T0000Z-260225T1800Z/
DULUTH MN TO PORT WING WI-OAK POINT TO SAXON HARBOR WI-
955 AM CST TUE FEB 24 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON CST WEDNESDAY
* WHAT...WEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND WAVES
1 TO 4 FT.
* WHERE...DULUTH MN TO PORT WING WI AND OAK POINT TO SAXON
HARBOR WI.
* 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.
LSZ142-250400-
/O.CON.KDLH.SC.Y.0027.000000T0000Z-260225T1800Z/
TACONITE HARBOR TO SILVER BAY HARBOR MN-
955 AM CST TUE FEB 24 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON CST
WEDNESDAY...
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND
WAVES UP TO 3 FT.
* 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.
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