584
WHUS73 KMQT 180931
MWWMQT
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MARQUETTE MI
431 AM EST WED FEB 18 2026
LSZ245>250-265-266-182145-
/O.EXT.KMQT.GL.W.0013.000000T0000Z-260219T1200Z/
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-
MARQUETTE TO MUNISING MI-MUNISING TO GRAND MARAIS 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-
431 AM EST WED FEB 18 2026
..GALE WARNING NOW IN EFFECT UNTIL 7 AM EST THURSDAY
* WHAT...EAST WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT, A FEW
STORMS TO 50 KTS POSSIBLE, AND WAVES 12 TO 17 FT OCCURRING.
* WHERE...PORTIONS OF CENTRAL AND EASTERN LAKE SUPERIOR.
* WHEN...UNTIL 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.
LSZ251-267-182145-
/O.EXT.KMQT.GL.W.0013.260218T1200Z-260219T0600Z/
GRAND MARAIS TO WHITEFISH POINT MI-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
431 AM EST WED FEB 18 2026
..GALE WARNING NOW IN EFFECT UNTIL 1 AM EST THURSDAY
* WHAT...EAST WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND WAVES
7 TO 10 FT EXPECTED.
* WHERE...GRAND MARAIS TO WHITEFISH POINT MI AND LAKE SUPERIOR
FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF SHORE TO
THE US/CANADIAN BORDER.
* WHEN...UNTIL 1 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.
LMZ248-250-182100-
/O.CON.KMQT.GL.W.0013.000000T0000Z-260218T2100Z/
SEUL CHOIX POINT TO POINT DETOUR MI-
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE-
431 AM EST WED FEB 18 2026
..GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
* WHAT...EAST WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT AND WAVES
7 TO 12 FT OCCURRING.
* WHERE...SEUL CHOIX POINT TO POINT DETOUR MI AND 5NM EAST OF A
LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE.
* WHEN...UNTIL 4 PM EST THIS AFTERNOON.
* 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.
LSZ242-263-182145-
/O.CON.KMQT.GL.W.0013.000000T0000Z-260219T0600Z/
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL 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-
431 AM EST WED FEB 18 2026
..GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY
* WHAT...EAST WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KT, A FEW
STORMS TO 50 KTS POSSIBLE, AND WAVES 6 TO 11 FT OCCURRING.
* WHERE...ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI AND
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.
* WHEN...UNTIL 1 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.
LSZ243-244-264-182145-
/O.CON.KMQT.GL.W.0013.000000T0000Z-260219T1200Z/
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-
EAGLE RIVER TO MANITOU ISLAND MI-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
431 AM EST WED FEB 18 2026
..GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THURSDAY
* WHAT...EAST WINDS 30 TO 40 KT WITH GUSTS UP TO 45 KTS, A FEW
STORMS TO 50 KTS POSSIBLE, AND WAVES 15 TO 20 FT OCCURRING.
* WHERE...UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI,
EAGLE RIVER TO MANITOU ISLAND MI AND LAKE SUPERIOR FROM UPPER
ENTRANCE TO PORTAGE CANAL TO MANITOU ISLAND MI 5NM OFF SHORE
TO THE US/CANADIAN BORDER.
* WHEN...UNTIL 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.
LSZ162-182145-
/O.CON.KMQT.SR.W.0001.000000T0000Z-260219T0000Z/
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
431 AM EST WED FEB 18 2026 /331 AM CST WED FEB 18 2026/
...STORM WARNING REMAINS IN EFFECT UNTIL 7 PM EST /6 PM CST/ THIS
EVENING...
* WHAT...EAST WINDS 30 TO 40 KT WITH GUSTS UP TO 55 KT AND WAVES
5 TO 8 FT OCCURRING.
* WHERE...LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO
GRAND PORTAGE MN BEYOND 5NM.
* WHEN...UNTIL 7 PM EST /6 PM CST/ THIS EVENING.
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS WAVES WILL CAPSIZE
OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD REMAIN IN PORT, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR SEVERE CONDITIONS.
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