987
WHUS73 KMQT 292107
MWWMQT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
407 PM EST MON DEC 29 2025
LSZ245>248-300915-
/O.EXT.KMQT.GL.W.0068.000000T0000Z-251230T0600Z/
/O.CON.KMQT.UP.W.0022.000000T0000Z-251230T0300Z/
/O.NEW.KMQT.SC.Y.0214.251230T0600Z-251230T1200Z/
MANITOU ISLAND TO POINT ISABELLE MI-
POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI-
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING
KEWEENAW AND HURON BAYS-HURON ISLANDS TO MARQUETTE MI-
407 PM EST MON DEC 29 2025
..GALE WARNING NOW IN EFFECT UNTIL 1 AM EST TUESDAY
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
THIS EVENING...
..SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TO 7 AM EST TUESDAY
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 20 TO 30 KT WITH
GUSTS UP TO 45 KT AND WAVES 7 TO 12 FT OCCURRING. FOR THE
HEAVY FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE
OF 2 CM PER HOUR OR GREATER OCCURRING, AND MAY RAPIDLY
ACCUMULATE ON VESSELS. FOR THE SMALL CRAFT ADVISORY, NORTHWEST
WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES 5 TO 8 FT
EXPECTED.
* WHERE...MANITOU ISLAND TO POINT ISABELLE MI, POINT ISABELLE TO
LOWER ENTRANCE OF PORTAGE CANAL MI, LOWER ENTRANCE OF PORTAGE
CANAL TO HURON ISLANDS MI INCLUDING KEWEENAW AND HURON BAYS
AND HURON ISLANDS TO MARQUETTE MI.
* WHEN...FOR THE GALE WARNING, UNTIL 1 AM EST TUESDAY. FOR THE
HEAVY FREEZING SPRAY WARNING, UNTIL 10 PM EST THIS EVENING.
FOR THE SMALL CRAFT ADVISORY, FROM 1 AM TO 7 AM EST TUESDAY.
* 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.
LSZ249>251-266-267-300915-
/O.EXT.KMQT.GL.W.0068.000000T0000Z-251230T1200Z/
/O.CON.KMQT.UP.W.0022.000000T0000Z-251230T0300Z/
MARQUETTE TO MUNISING MI-MUNISING TO GRAND MARAIS MI-
GRAND MARAIS TO WHITEFISH POINT MI-
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-
407 PM EST MON DEC 29 2025
..GALE WARNING NOW IN EFFECT UNTIL 7 AM EST TUESDAY
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
THIS EVENING...
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 30 TO 40 KT WITH
GUSTS UP TO 45 KT AND WAVES 16 TO 21 FT OCCURRING. FOR THE
HEAVY FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE
OF 2 CM PER HOUR OR GREATER OCCURRING, AND MAY RAPIDLY
ACCUMULATE ON VESSELS.
* WHERE...MARQUETTE TO MUNISING MI, MUNISING TO GRAND MARAIS MI,
GRAND MARAIS TO WHITEFISH POINT MI, 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, UNTIL 7 AM EST TUESDAY. FOR THE
HEAVY FREEZING SPRAY WARNING, UNTIL 10 PM EST THIS EVENING.
* 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.
LSZ265-300600-
/O.EXT.KMQT.GL.W.0068.000000T0000Z-251230T0600Z/
/O.CON.KMQT.UP.W.0022.000000T0000Z-251230T0300Z/
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
407 PM EST MON DEC 29 2025
..GALE WARNING NOW IN EFFECT UNTIL 1 AM EST TUESDAY
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
THIS EVENING...
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 25 TO 35 KT WITH
GUSTS UP TO 45 KT AND WAVES 11 TO 16 FT OCCURRING. FOR THE
HEAVY FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE
OF 2 CM PER HOUR OR GREATER OCCURRING, AND MAY RAPIDLY
ACCUMULATE ON VESSELS.
* WHERE...LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO
MARQUETTE MI BEYOND 5NM FROM SHORE.
* WHEN...FOR THE GALE WARNING, UNTIL 1 AM EST TUESDAY. FOR THE
HEAVY FREEZING SPRAY WARNING, UNTIL 10 PM EST THIS EVENING.
* 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.
LSZ240-241-300915-
/O.CON.KMQT.GL.W.0068.000000T0000Z-251230T0300Z/
/O.CON.KMQT.UP.W.0022.000000T0000Z-251230T0300Z/
/O.NEW.KMQT.SC.Y.0214.251230T0300Z-251230T1200Z/
SAXON HARBOR WI TO BLACK RIVER MI-BLACK RIVER TO ONTONAGON MI-
407 PM EST MON DEC 29 2025 /307 PM CST MON DEC 29 2025/
...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST /9 PM CST/ THIS
EVENING...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
/9 PM CST/ THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST /9 PM CST/ THIS
EVENING TO 7 AM EST /6 AM CST/ TUESDAY...
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 15 TO 25 KT WITH
GUSTS UP TO 35 KT AND WAVES 7 TO 10 FT OCCURRING. FOR THE HEAVY
FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE OF 2 CM
PER HOUR OR GREATER OCCURRING, AND MAY RAPIDLY ACCUMULATE ON
VESSELS. FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 10 TO 20
KT WITH GUSTS UP TO 25 KT AND WAVES 4 TO 7 FT EXPECTED.
* WHERE...SAXON HARBOR WI TO BLACK RIVER MI AND BLACK RIVER TO
ONTONAGON MI.
* WHEN...FOR THE GALE WARNING, UNTIL 10 PM EST /9 PM CST/ THIS
EVENING. FOR THE SMALL CRAFT ADVISORY, FROM 10 PM EST /9 PM
CST/ THIS EVENING TO 7 AM EST /6 AM CST/ TUESDAY.
* 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.
LSZ242-243-300915-
/O.CON.KMQT.GL.W.0068.000000T0000Z-251230T0300Z/
/O.CON.KMQT.UP.W.0022.000000T0000Z-251230T0300Z/
/O.NEW.KMQT.SC.Y.0214.251230T0300Z-251230T1200Z/
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-
407 PM EST MON DEC 29 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 7 AM
EST TUESDAY...
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 20 TO 30 KT WITH
GUSTS UP TO 35 KT AND WAVES 7 TO 11 FT OCCURRING. FOR THE
HEAVY FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE
OF 2 CM PER HOUR OR GREATER OCCURRING, AND MAY RAPIDLY
ACCUMULATE ON VESSELS. FOR THE SMALL CRAFT ADVISORY, NORTHWEST
WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND WAVES 6 TO 9 FT
EXPECTED.
* WHERE...ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI AND
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI.
* WHEN...FOR THE GALE WARNING, UNTIL 10 PM EST THIS EVENING. FOR
THE SMALL CRAFT ADVISORY, FROM 10 PM THIS EVENING TO 7 AM EST
TUESDAY.
* 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.
LSZ244-300915-
/O.CON.KMQT.GL.W.0068.000000T0000Z-251230T0300Z/
/O.CON.KMQT.UP.W.0022.000000T0000Z-251230T0300Z/
/O.NEW.KMQT.SC.Y.0214.251230T0300Z-251230T1800Z/
EAGLE RIVER TO MANITOU ISLAND MI-
407 PM EST MON DEC 29 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 1 PM
EST TUESDAY...
* WHAT...FOR THE GALE WARNING, NORTH WINDS 25 TO 35 KT WITH
GUSTS UP TO 40 KT AND WAVES 11 TO 16 FT OCCURRING. FOR THE
HEAVY FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE
OF 2 CM PER HOUR OR GREATER OCCURRING, AND MAY RAPIDLY
ACCUMULATE ON VESSELS. FOR THE SMALL CRAFT ADVISORY, NORTHWEST
WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT AND WAVES 8 TO 13 FT
EXPECTED.
* WHERE...EAGLE RIVER TO MANITOU ISLAND MI.
* WHEN...FOR THE GALE WARNING, UNTIL 10 PM EST THIS EVENING. FOR
THE SMALL CRAFT ADVISORY, FROM 10 PM THIS EVENING TO 1 PM EST
TUESDAY.
* 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.
LSZ162-300300-
/O.CON.KMQT.GL.W.0068.000000T0000Z-251230T0300Z/
/O.CON.KMQT.UP.W.0022.000000T0000Z-251230T0300Z/
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
407 PM EST MON DEC 29 2025 /307 PM CST MON DEC 29 2025/
...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST /9 PM CST/ THIS
EVENING...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
/9 PM CST/ THIS EVENING...
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 15 TO 25 KT WITH
GUSTS UP TO 35 KT AND WAVES 3 TO 6 FT OCCURRING. FOR THE HEAVY
FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE OF 2 CM
PER HOUR OR GREATER OCCURRING, AND MAY RAPIDLY ACCUMULATE ON
VESSELS.
* WHERE...LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO
GRAND PORTAGE MN BEYOND 5NM.
* WHEN...UNTIL 10 PM EST /9 PM CST/ THIS EVENING.
* 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.
LMZ221-300300-
/O.CON.KMQT.GL.W.0068.000000T0000Z-251230T0300Z/
/O.CON.KMQT.UP.W.0022.000000T0000Z-251230T0300Z/
GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND
PASSAGE-
407 PM EST MON DEC 29 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
THIS EVENING...
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 20 TO 30 KT WITH
GUSTS UP TO 40 KT AND WAVES 3 TO 6 FT OCCURRING. FOR THE HEAVY
FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE OF 2 CM
PER HOUR OR GREATER OCCURRING, AND MAY RAPIDLY ACCUMULATE ON
VESSELS.
* WHERE...GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK
ISLAND PASSAGE.
* WHEN...UNTIL 10 PM EST THIS EVENING.
* 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.
LSZ263-264-300300-
/O.CON.KMQT.GL.W.0068.000000T0000Z-251230T0300Z/
/O.CON.KMQT.UP.W.0022.000000T0000Z-251230T0300Z/
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-
407 PM EST MON DEC 29 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
THIS EVENING...
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 20 TO 30 KT WITH
GUSTS UP TO 40 KT AND WAVES 7 TO 12 FT OCCURRING. FOR THE
HEAVY FREEZING SPRAY WARNING, HEAVY FREEZING SPRAY AT A RATE
OF 2 CM PER HOUR OR GREATER OCCURRING, AND MAY RAPIDLY
ACCUMULATE ON VESSELS.
* WHERE...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...UNTIL 10 PM EST THIS EVENING.
* 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.
LMZ250-300300-
/O.CON.KMQT.GL.W.0068.000000T0000Z-251230T0300Z/
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE-
407 PM EST MON DEC 29 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING
* WHAT...NORTHWEST WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT AND
WAVES 5 TO 8 FT OCCURRING.
* WHERE...5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND
PASSAGE.
* WHEN...UNTIL 10 PM EST THIS EVENING.
* 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.
LMZ248-300300-
/O.CON.KMQT.GL.W.0068.000000T0000Z-251230T0300Z/
SEUL CHOIX POINT TO POINT DETOUR MI-
407 PM EST MON DEC 29 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING
* WHAT...NORTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND
WAVES 2 TO 5 FT OCCURRING.
* WHERE...SEUL CHOIX POINT TO POINT DETOUR MI.
* WHEN...UNTIL 10 PM EST THIS EVENING.
* 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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