578
WHUS73 KDLH 222211
MWWDLH
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
411 PM CST THU JAN 22 2026
LSZ150-231015-
/O.CON.KDLH.UP.W.0003.000000T0000Z-260123T1600Z/
/O.CON.KDLH.SC.Y.0009.000000T0000Z-260123T2200Z/
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
411 PM CST THU JAN 22 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 AM CST
FRIDAY...
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST FRIDAY
* 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 20 TO 30 KT AND WAVES 5 TO 8 FT.
* WHERE...OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND.
* WHEN...FOR THE HEAVY FREEZING SPRAY WARNING, UNTIL 10 AM CST
FRIDAY. FOR THE SMALL CRAFT ADVISORY, UNTIL 4 PM CST FRIDAY.
* 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.
LSZ145>147-231015-
/O.CON.KDLH.UP.W.0003.000000T0000Z-260123T1000Z/
/O.CON.KDLH.SC.Y.0009.000000T0000Z-260123T2200Z/
DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI-
SAND ISLAND TO BAYFIELD WI-
411 PM CST THU JAN 22 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 4 AM CST
FRIDAY...
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST FRIDAY
* 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 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES 3 TO 6 FT.
* WHERE...DULUTH MN TO PORT WING WI, PORT WING TO SAND ISLAND WI
AND SAND ISLAND TO BAYFIELD WI.
* WHEN...FOR THE HEAVY FREEZING SPRAY WARNING, UNTIL 4 AM CST
FRIDAY. FOR THE SMALL CRAFT ADVISORY, UNTIL 4 PM CST FRIDAY.
* 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>144-231015-
/O.CON.KDLH.SC.Y.0009.000000T0000Z-260123T2200Z/
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-
411 PM CST THU JAN 22 2026
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST FRIDAY
* WHAT...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND
WAVES UP TO 3 FT.
* 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...UNTIL 4 PM CST FRIDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN
HAZARDOUS CONDITIONS.
LSZ148-231015-
/O.CON.KDLH.SC.Y.0009.000000T0000Z-260123T2200Z/
OAK POINT TO SAXON HARBOR WI-
411 PM CST THU JAN 22 2026
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST FRIDAY
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT.
* WHERE...OAK POINT TO SAXON HARBOR WI.
* WHEN...UNTIL 4 PM CST FRIDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN
HAZARDOUS CONDITIONS.
HUYCK
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