916
WHUS73 KDLH 141544
MWWDLH
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
944 AM CST SUN DEC 14 2025
LSZ145>147-150-150345-
/O.NEW.KDLH.SC.Y.0141.251215T0000Z-251215T0300Z/
/O.NEW.KDLH.GL.W.0038.251215T0300Z-251215T0900Z/
/O.NEW.KDLH.UP.W.0008.251215T0300Z-251215T0900Z/
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-
944 AM CST SUN DEC 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM TO 9 PM CST THIS
EVENING...
...GALE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 3 AM CST
MONDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 9 PM THIS EVENING
TO 3 AM CST MONDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHWEST WINDS 15 TO 20 KT
WITH GUSTS UP TO 25 KT AND WAVES 1 TO 3 FT EXPECTED. FOR THE
GALE WARNING, SOUTHWEST WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT
AND WAVES 3 TO 7 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...DULUTH MN TO PORT WING WI, PORT WING TO SAND ISLAND
WI, SAND ISLAND TO BAYFIELD WI AND OUTER APOSTLE ISLANDS
BEYOND 5 NM FROM MAINLAND.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 6 PM TO 9 PM CST
THIS EVENING. FOR THE GALE WARNING, FROM 9 PM THIS EVENING TO
3 AM CST MONDAY. FOR THE HEAVY FREEZING SPRAY WARNING, FROM 9
PM THIS EVENING TO 3 AM CST MONDAY.
* 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. STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
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.
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
LSZ140>144-148-150345-
/O.NEW.KDLH.SC.Y.0141.251215T0000Z-251215T0300Z/
/O.NEW.KDLH.GL.W.0038.251215T0300Z-251215T0900Z/
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-
OAK POINT TO SAXON HARBOR WI-
944 AM CST SUN DEC 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM TO 9 PM CST THIS
EVENING...
...GALE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 3 AM CST
MONDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHWEST WINDS 15 TO 20 KT
WITH GUSTS UP TO 30 KT AND WAVES 2 TO 5 FT EXPECTED. FOR THE
GALE WARNING, SOUTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT
AND WAVES 4 TO 8 FT EXPECTED.
* WHERE...PORTIONS OF LAKE SUPERIOR.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 6 PM TO 9 PM CST
THIS EVENING. FOR THE GALE WARNING, FROM 9 PM THIS EVENING TO
3 AM CST MONDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
LSZ121-150345-
/O.NEW.KDLH.SC.Y.0141.251215T0000Z-251215T1200Z/
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
944 AM CST SUN DEC 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
CST MONDAY...
* WHAT...SOUTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND
WAVES 1 TO 2 FT EXPECTED.
* WHERE...CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI.
* WHEN...FROM 6 PM THIS EVENING TO 6 AM CST MONDAY.
* 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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