354
WHUS73 KDLH 161610
MWWDLH
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
1010 AM CST TUE DEC 16 2025
LSZ146-147-150-170415-
/O.EXP.KDLH.SC.Y.0143.000000T0000Z-251216T1600Z/
/O.CON.KDLH.GL.W.0040.000000T0000Z-251217T0600Z/
PORT WING TO SAND ISLAND WI-SAND ISLAND TO BAYFIELD WI-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1010 AM CST TUE DEC 16 2025
..GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT
..SMALL CRAFT ADVISORY HAS EXPIRED
* WHAT...WEST WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND WAVES
5 TO 8 FT.
* WHERE...PORT WING TO SAND ISLAND WI, SAND ISLAND TO BAYFIELD
WI AND OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND.
* WHEN...UNTIL MIDNIGHT CST TONIGHT.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...ADDITIONAL GALES ARE EXPECTED WEDNESDAY
EVENING INTO THURSDAY.
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.
LSZ142>145-170415-
/O.CON.KDLH.SC.Y.0143.000000T0000Z-251217T0000Z/
/O.CON.KDLH.GL.W.0040.251217T0000Z-251217T0600Z/
TACONITE HARBOR TO SILVER BAY HARBOR MN-
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-
DULUTH MN TO PORT WING WI-
1010 AM CST TUE DEC 16 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT CST TONIGHT...
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHWEST WINDS 15 TO 25
KT WITH GUSTS UP TO 30 KT AND WAVES 3 TO 6 FT. FOR THE GALE
WARNING, WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 40 KT AND
WAVES 2 TO 5 FT EXPECTED.
* WHERE...TACONITE HARBOR TO SILVER BAY HARBOR MN, SILVER BAY
HARBOR TO TWO HARBORS MN, TWO HARBORS TO DULUTH MN AND DULUTH
MN TO PORT WING WI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 6 PM CST THIS
EVENING. FOR THE GALE WARNING, FROM 6 PM THIS EVENING TO
MIDNIGHT CST TONIGHT.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...ADDITIONAL GALES ARE EXPECTED WEDNESDAY
EVENING INTO THURSDAY. THERE IS A 30 PERCENT CHANCE OF STORM-
FORCE WIND GUSTS TO 50 KNOTS THURSDAY AFTERNOON AND EVENING
ALONG THE NORTH SHORE.
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.
LSZ140-141-170415-
/O.CON.KDLH.GL.W.0040.000000T0000Z-251217T1200Z/
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
1010 AM CST TUE DEC 16 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY
* WHAT...WEST WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND WAVES
7 TO 10 FT.
* WHERE...GRAND PORTAGE TO GRAND MARAIS MN AND GRAND MARAIS TO
TACONITE HARBOR MN.
* WHEN...UNTIL 6 AM CST WEDNESDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...ADDITIONAL GALES ARE EXPECTED WEDNESDAY
EVENING INTO THURSDAY. THERE IS A 60 PERCENT CHANCE OF STORM-
FORCE WIND GUSTS TO 50 KNOTS THURSDAY AFTERNOON AND EVENING.
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.
LSZ121-148-170415-
/O.CON.KDLH.SC.Y.0143.000000T0000Z-251217T1200Z/
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
OAK POINT TO SAXON HARBOR WI-
1010 AM CST TUE DEC 16 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND WAVES
1 TO 4 FT.
* WHERE...CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI AND OAK POINT
TO SAXON HARBOR WI.
* WHEN...UNTIL 6 AM CST WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
* ADDITIONAL DETAILS...ANOTHER ROUND OF STRONG WIND GUSTS WITH
POTENTIAL FOR GALES ARE EXPECTED WEDNESDAY EVENING INTO
THURSDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ANYONE OPERATING A SMALLER VESSEL SHOULD AVOID NAVIGATING IN
HAZARDOUS CONDITIONS.
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