190
WHUS73 KDLH 170947
MWWDLH
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DULUTH MN
347 AM CST WED DEC 17 2025
LSZ150-172200-
/O.CAN.KDLH.GL.W.0040.000000T0000Z-251217T1000Z/
/O.NEW.KDLH.SC.Y.0144.251217T2200Z-251218T0200Z/
/O.NEW.KDLH.GL.W.0041.251218T0200Z-251218T1000Z/
/O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/
/O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T0400Z/
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
347 AM CST WED DEC 17 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
8 PM CST THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 4 AM CST
THURSDAY...
..GALE WARNING IN EFFECT FROM 2 PM TO 10 PM CST THURSDAY
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTH WINDS 15 TO 20 KT
WITH GUSTS UP TO 30 KT AND WAVES 1 TO 3 FT EXPECTED. FOR THE
FIRST GALE WARNING, SOUTH WINDS 15 TO 25 KT WITH GUSTS UP TO
35 KT AND WAVES 2 TO 5 FT EXPECTED. FOR THE SECOND GALE
WARNING, NORTH WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT AND
WAVES 6 TO 9 FT EXPECTED.
* WHERE...OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 4 PM THIS AFTERNOON
TO 8 PM CST THIS EVENING. FOR THE FIRST GALE WARNING, FROM 8
PM THIS EVENING TO 4 AM CST THURSDAY. FOR THE SECOND GALE
WARNING, FROM 2 PM TO 10 PM CST THURSDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...CONDITIONS WILL BE HAZARDOUS TO SMALLER
VESSELS BETWEEN THE TIMES OF THE GALE WARNINGS.
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.
LSZ143-144-172200-
/O.CAN.KDLH.GL.W.0040.000000T0000Z-251217T1000Z/
/O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/
/O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T1000Z/
/O.NEW.KDLH.SC.Y.0144.251217T2200Z-251218T2000Z/
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-
347 AM CST WED DEC 17 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
2 PM CST THURSDAY...
..GALE WARNING IN EFFECT FROM 2 PM THURSDAY TO 4 AM CST FRIDAY
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHWEST WINDS 15 TO 25
KT WITH GUSTS UP TO 30 KT AND WAVES 2 TO 5 FT EXPECTED. FOR
THE GALE WARNING, NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 35
KT AND WAVES 1 TO 4 FT EXPECTED.
* WHERE...SILVER BAY HARBOR TO TWO HARBORS MN AND TWO HARBORS TO
DULUTH MN.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 4 PM THIS AFTERNOON
TO 2 PM CST THURSDAY. FOR THE GALE WARNING, FROM 2 PM THURSDAY
TO 4 AM CST FRIDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...THERE IS A 30% CHANCE OF OCCASIONAL STORM-
FORCE GUSTS TO 50 KNOTS THURSDAY EVENING OVER THE WATERS OF 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.
LSZ145>147-172200-
/O.CAN.KDLH.GL.W.0040.000000T0000Z-251217T1000Z/
/O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/
/O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T0400Z/
/O.NEW.KDLH.SC.Y.0144.251217T2200Z-251218T2000Z/
DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI-
SAND ISLAND TO BAYFIELD WI-
347 AM CST WED DEC 17 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
2 PM CST THURSDAY...
..GALE WARNING IN EFFECT FROM 2 PM TO 10 PM CST THURSDAY
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHWEST WINDS 15 TO 25
KT WITH GUSTS UP TO 35 KT AND WAVES 1 TO 4 FT EXPECTED. FOR
THE GALE WARNING, NORTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO
35 KT AND WAVES 5 TO 8 FT EXPECTED.
* WHERE...DULUTH MN TO PORT WING WI, PORT WING TO SAND ISLAND WI
AND SAND ISLAND TO BAYFIELD WI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 4 PM THIS AFTERNOON
TO 2 PM CST THURSDAY. FOR THE GALE WARNING, FROM 2 PM TO 10 PM
CST THURSDAY.
* 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.
LSZ140-141-172200-
/O.CAN.KDLH.GL.W.0040.000000T0000Z-251217T1200Z/
/O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/
/O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T1000Z/
/O.NEW.KDLH.SC.Y.0144.251218T0200Z-251218T2000Z/
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
347 AM CST WED DEC 17 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM
CST THURSDAY...
..GALE WARNING IN EFFECT FROM 2 PM THURSDAY TO 4 AM CST FRIDAY
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHWEST WINDS 10 TO 20
KT WITH GUSTS UP TO 30 KT AND WAVES 4 TO 7 FT EXPECTED. FOR
THE GALE WARNING, NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 45
KT AND WAVES 2 TO 5 FT EXPECTED.
* WHERE...GRAND PORTAGE TO GRAND MARAIS MN AND GRAND MARAIS TO
TACONITE HARBOR MN.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 8 PM THIS EVENING TO
2 PM CST THURSDAY. FOR THE GALE WARNING, FROM 2 PM THURSDAY TO
4 AM CST FRIDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...THERE IS A 50% CHANCE OF OCCASIONAL STORM-
FORCE GUSTS TO 50 KNOTS LATE THURSDAY AFTERNOON INTO THE 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.
LSZ142-172200-
/O.CAN.KDLH.GL.W.0040.000000T0000Z-251217T1000Z/
/O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/
/O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T1000Z/
/O.NEW.KDLH.SC.Y.0144.251218T0200Z-251218T2000Z/
TACONITE HARBOR TO SILVER BAY HARBOR MN-
347 AM CST WED DEC 17 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM
CST THURSDAY...
..GALE WARNING IN EFFECT FROM 2 PM THURSDAY TO 4 AM CST FRIDAY
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHWEST WINDS 10 TO 20
KT WITH GUSTS UP TO 25 KT AND WAVES 2 TO 5 FT EXPECTED. FOR
THE GALE WARNING, NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO 40
KT AND WAVES 1 TO 4 FT EXPECTED.
* WHERE...TACONITE HARBOR TO SILVER BAY HARBOR MN.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 8 PM THIS EVENING TO
2 PM CST THURSDAY. FOR THE GALE WARNING, FROM 2 PM THURSDAY TO
4 AM CST FRIDAY.
* 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.
LSZ148-172200-
/O.CAN.KDLH.SC.Y.0143.000000T0000Z-251217T1200Z/
/O.NEW.KDLH.SC.Y.0144.251217T2200Z-251218T0200Z/
/O.NEW.KDLH.GL.W.0041.251218T0200Z-251218T1000Z/
/O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/
/O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T0400Z/
OAK POINT TO SAXON HARBOR WI-
347 AM CST WED DEC 17 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
8 PM CST THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 4 AM CST
THURSDAY...
..GALE WARNING IN EFFECT FROM 2 PM TO 10 PM CST THURSDAY
..SMALL CRAFT ADVISORY IS CANCELLED
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTH WINDS 10 TO 20 KT
WITH GUSTS UP TO 30 KT AND WAVES 1 TO 2 FT EXPECTED. FOR THE
FIRST GALE WARNING, SOUTH WINDS 20 TO 25 KT WITH GUSTS UP TO
40 KT AND WAVES 2 TO 4 FT EXPECTED. FOR THE SECOND GALE
WARNING, NORTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT
AND WAVES 5 TO 8 FT EXPECTED.
* WHERE...OAK POINT TO SAXON HARBOR WI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 4 PM THIS AFTERNOON
TO 8 PM CST THIS EVENING. FOR THE FIRST GALE WARNING, FROM 8
PM THIS EVENING TO 4 AM CST THURSDAY. FOR THE SECOND GALE
WARNING, FROM 2 PM TO 10 PM CST THURSDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...CONDITIONS WILL BE HAZARDOUS TO SMALLER
VESSELS BETWEEN THE TIMES OF THE GALE WARNINGS.
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.
LSZ121-172200-
/O.CAN.KDLH.SC.Y.0143.000000T0000Z-251217T1200Z/
/O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/
/O.NEW.KDLH.SC.Y.0144.251217T2200Z-251219T1000Z/
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
347 AM CST WED DEC 17 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM CST FRIDAY...
* WHAT...WEST WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND WAVES
1 TO 2 FT EXPECTED.
* WHERE...CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI.
* WHEN...FROM 4 PM THIS AFTERNOON TO 4 AM 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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