595
WHUS73 KMQT 172011
MWWMQT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
311 PM EST WED DEC 17 2025
LSZ249>251-180815-
/O.CON.KMQT.SC.Y.0205.000000T0000Z-251218T0000Z/
/O.CON.KMQT.GL.W.0063.251218T0000Z-251219T1500Z/
/O.NEW.KMQT.UP.W.0020.251219T0300Z-251219T1500Z/
MARQUETTE TO MUNISING MI-MUNISING TO GRAND MARAIS MI-
GRAND MARAIS TO WHITEFISH POINT MI-
311 PM EST WED DEC 17 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
EST FRIDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 10 PM THURSDAY TO
10 AM EST FRIDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHWEST WINDS 10 TO 15
KT WITH GUSTS UP TO 20 KT AND WAVES 3 TO 6 FT OCCURRING. FOR
THE GALE WARNING, SOUTHWEST WINDS 25 TO 35 KT WITH GUSTS UP TO
45 KT AND WAVES 12 TO 17 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...MARQUETTE TO MUNISING MI, MUNISING TO GRAND MARAIS MI
AND GRAND MARAIS TO WHITEFISH POINT MI.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 7 PM EST THIS
EVENING. FOR THE GALE WARNING, FROM 7 PM THIS EVENING TO 10 AM
EST FRIDAY. FOR THE HEAVY FREEZING SPRAY WARNING, FROM 10 PM
THURSDAY TO 10 AM EST 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. 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.
LSZ162-180815-
/O.CON.KMQT.GL.W.0063.251218T1800Z-251219T0600Z/
/O.NEW.KMQT.UP.W.0020.251219T0000Z-251219T1300Z/
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
311 PM EST WED DEC 17 2025 /211 PM CST WED DEC 17 2025/
...GALE WARNING REMAINS IN EFFECT FROM 1 PM EST /NOON CST/
THURSDAY TO 1 AM EST /MIDNIGHT CST/ FRIDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 PM EST /6 PM
CST/ THURSDAY TO 8 AM EST /7 AM CST/ FRIDAY...
* WHAT...FOR THE GALE WARNING, NORTH WINDS 20 TO 30 KT WITH
GUSTS UP TO 40 KT AND WAVES 5 TO 8 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...LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO
GRAND PORTAGE MN BEYOND 5NM.
* WHEN...FOR THE GALE WARNING, FROM 1 PM EST /NOON CST/ THURSDAY
TO 1 AM EST /MIDNIGHT CST/ FRIDAY. FOR THE HEAVY FREEZING
SPRAY WARNING, FROM 7 PM EST /6 PM CST/ THURSDAY TO 8 AM EST
/7 AM 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. 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.
LSZ240-241-180815-
/O.CON.KMQT.GL.W.0063.251218T0300Z-251218T0900Z/
/O.NEW.KMQT.UP.W.0020.251219T0000Z-251219T1300Z/
SAXON HARBOR WI TO BLACK RIVER MI-BLACK RIVER TO ONTONAGON MI-
311 PM EST WED DEC 17 2025 /211 PM CST WED DEC 17 2025/
...GALE WARNING REMAINS IN EFFECT FROM 10 PM EST /9 PM CST/ THIS
EVENING TO 4 AM EST /3 AM CST/ THURSDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 PM EST /6 PM
CST/ THURSDAY TO 8 AM EST /7 AM CST/ FRIDAY...
* WHAT...FOR THE GALE WARNING, SOUTH WINDS 20 TO 30 KT WITH
GUSTS UP TO 35 KT AND WAVES 2 TO 5 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...SAXON HARBOR WI TO BLACK RIVER MI AND BLACK RIVER TO
ONTONAGON MI.
* WHEN...FOR THE GALE WARNING, FROM 10 PM EST /9 PM CST/ THIS
EVENING TO 4 AM EST /3 AM CST/ THURSDAY. FOR THE HEAVY
FREEZING SPRAY WARNING, FROM 7 PM EST /6 PM CST/ THURSDAY TO 8
AM EST /7 AM 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. 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.
LSZ242>244-263-264-180815-
/O.CON.KMQT.GL.W.0063.251218T1800Z-251219T1500Z/
/O.NEW.KMQT.UP.W.0020.251219T0000Z-251219T1300Z/
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-
EAGLE RIVER TO MANITOU ISLAND MI-
LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE
CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE
ROYALE NATIONAL PARK-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
311 PM EST WED DEC 17 2025
...GALE WARNING REMAINS IN EFFECT FROM 1 PM THURSDAY TO 10 AM EST
FRIDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 PM THURSDAY TO
8 AM EST FRIDAY...
* WHAT...FOR THE GALE WARNING, NORTH WINDS 25 TO 35 KT WITH
GUSTS UP TO 45 KT AND WAVES 9 TO 14 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...ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI, UPPER
ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI, EAGLE RIVER TO
MANITOU ISLAND MI, LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER
ENTRANCE TO PORTAGE CANAL MI 5NM OFF SHORE TO THE US/CANADIAN
BORDER INCLUDING ISLE ROYALE NATIONAL PARK AND LAKE SUPERIOR
FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU ISLAND MI 5NM
OFF SHORE TO THE US/CANADIAN BORDER.
* WHEN...FOR THE GALE WARNING, FROM 1 PM THURSDAY TO 10 AM EST
FRIDAY. FOR THE HEAVY FREEZING SPRAY WARNING, FROM 7 PM
THURSDAY TO 8 AM EST 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. 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.
LSZ245-246-180815-
/O.CON.KMQT.GL.W.0063.251218T1800Z-251219T1500Z/
/O.NEW.KMQT.UP.W.0020.251219T0300Z-251219T1500Z/
MANITOU ISLAND TO POINT ISABELLE MI-
POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI-
311 PM EST WED DEC 17 2025
...GALE WARNING REMAINS IN EFFECT FROM 1 PM THURSDAY TO 10 AM EST
FRIDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 10 PM THURSDAY TO
10 AM EST FRIDAY...
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 20 TO 30 KT WITH
GUSTS UP TO 45 KT AND WAVES 4 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...MANITOU ISLAND TO POINT ISABELLE MI AND POINT ISABELLE
TO LOWER ENTRANCE OF PORTAGE CANAL MI.
* WHEN...FOR THE GALE WARNING, FROM 1 PM THURSDAY TO 10 AM EST
FRIDAY. FOR THE HEAVY FREEZING SPRAY WARNING, FROM 10 PM
THURSDAY TO 10 AM EST 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. 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.
LSZ247-248-265>267-180815-
/O.CON.KMQT.GL.W.0063.251218T0000Z-251219T1500Z/
/O.NEW.KMQT.UP.W.0020.251219T0300Z-251219T1500Z/
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING
KEWEENAW AND HURON BAYS-HURON ISLANDS TO MARQUETTE MI-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI
AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER
BEYOND 5NM FROM SHORE-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
311 PM EST WED DEC 17 2025
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
EST FRIDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 10 PM THURSDAY TO
10 AM EST FRIDAY...
* WHAT...FOR THE GALE WARNING, SOUTHWEST WINDS 25 TO 35 KT WITH
GUSTS UP TO 45 KT AND WAVES 12 TO 17 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...LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI
INCLUDING KEWEENAW AND HURON BAYS, HURON ISLANDS TO MARQUETTE
MI, LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO
MARQUETTE MI BEYOND 5NM FROM SHORE, LAKE SUPERIOR EAST OF A
LINE FROM MANITOU ISLAND TO MARQUETTE MI AND WEST OF A LINE
FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER BEYOND 5NM FROM
SHORE AND LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH
POINT MI 5NM OFF SHORE TO THE US/CANADIAN BORDER.
* WHEN...FOR THE GALE WARNING, FROM 7 PM THIS EVENING TO 10 AM
EST FRIDAY. FOR THE HEAVY FREEZING SPRAY WARNING, FROM 10 PM
THURSDAY TO 10 AM EST 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. 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.
LMZ221-248-250-180815-
/O.CON.KMQT.GL.W.0063.251218T0300Z-251218T1200Z/
GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND
PASSAGE-SEUL CHOIX POINT TO POINT DETOUR MI-
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE-
311 PM EST WED DEC 17 2025
...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM
EST THURSDAY...
* WHAT...SOUTH WINDS 15 TO 25 KT WITH GUSTS UP TO 40 KT AND
WAVES 6 TO 9 FT EXPECTED.
* WHERE...GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK
ISLAND PASSAGE, SEUL CHOIX POINT TO POINT DETOUR MI AND 5NM
EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE.
* WHEN...FROM 10 PM THIS EVENING TO 7 AM EST 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.
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