916
FZUS63 KMQT 311501
GLFLS
OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1000 AM EST WED DEC 31 2025
FOR WATERS BEYOND 5 NAUTICAL MILES OF SHORE ON LAKE SUPERIOR.
WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE
HIGHEST 1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE
AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.
SYNOPSIS
AS A 28.2 INCH LOW RETROGRADES INTO HUDSON BAY TODAY, A 30.7 INCH
RIDGE BUILDS FROM THE CANADIAN PRAIRIES INTO THE UPPER MISSISSIPPI
VALLEY. THE RIDGE WEAKENS TO 30.2 INCHES THROUGH THURSDAY, BUT THE
PATTERN REMAINS PERSISTENT INTO FRIDAY. WEAK RIDGING OF 30.0 INCHES
EVENTUALLY PUSHES INTO LAKE SUPERIOR BY SATURDAY, BEFORE A PARENT
HIGH OF 30.3 INCHES MOVES INTO THE UPPER GREAT LAKES BY SUNDAY.
LSZ162-312100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1000 AM EST WED DEC 31 2025 /900 AM CST WED DEC 31 2025/
REST OF TODAY
NORTH WINDS 20 TO 30 KNOTS BACKING NORTHWEST.
WAVES 3 TO 5 FEET OCCASIONALLY TO 7 FEET.
TONIGHT
NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS BY MIDNIGHT. WAVES 3 TO 5 FEET OCCASIONALLY TO 7 FEET.
THURSDAY
WEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
THURSDAY NIGHT
WEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS IN THE EVENING. WAVES SUBSIDING TO 1 TO 3 FEET.
FRIDAY
WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
FRIDAY NIGHT
NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
SATURDAY
WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST. WAVES
CALM TO 2 FEET.
SUNDAY
WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES CALM TO 2 FEET.
NOTE, WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ263-312100-
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-
1000 AM EST WED DEC 31 2025
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
EVENING...
REST OF TODAY
NORTH WINDS 20 TO 30 KNOTS BACKING NORTHWEST BY
LATE MORNING, THEN INCREASING TO 30 KNOTS WITH A FEW GALE FORCE
GUSTS TO 35 KNOTS POSSIBLE BY MID AFTERNOON. A CHANCE OF SNOW
SHOWERS LATE IN THE MORNING. HEAVY FREEZING SPRAY. WAVES 4 TO
8 FEET OCCASIONALLY TO 10 FEET, THEN SUBSIDING TO 4 TO 7 FEET
OCCASIONALLY TO 9 FEET.
TONIGHT
NORTHWEST WINDS TO 30 KNOTS WITH A FEW GALE FORCE
GUSTS TO 35 KNOTS POSSIBLE DIMINISHING TO 20 TO 30 KNOTS BY
MIDNIGHT. HEAVY FREEZING SPRAY. WAVES SUBSIDING TO 4 TO 8 FEET
OCCASIONALLY TO 10 FEET.
THURSDAY
NORTHWEST WINDS 20 TO 30 KNOTS BACKING WEST. HEAVY
FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 4 TO
7 FEET OCCASIONALLY TO 9 FEET.
THURSDAY NIGHT
WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES
4 TO 7 FEET OCCASIONALLY TO 9 FEET.
FRIDAY
NORTHWEST WINDS 20 TO 30 KNOTS BACKING WEST IN THE
AFTERNOON. FREEZING SPRAY. WAVES SUBSIDING TO 3 TO 6 FEET
OCCASIONALLY TO 8 FEET, THEN BUILDING TO 4 TO 7 FEET OCCASIONALLY
TO 9 FEET.
FRIDAY NIGHT
NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING.
WAVES SUBSIDING TO 2 TO 4 FEET.
SATURDAY
NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
SUNDAY
NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. A CHANCE OF
SNOW SHOWERS. WAVES CALM TO 2 FEET.
NOTE, WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ264-312100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1000 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT THROUGH THURSDAY EVENING
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
EVENING...
REST OF TODAY
NORTHWEST GALES TO 35 KNOTS. HEAVY FREEZING
SPRAY. A CHANCE OF SNOW SHOWERS. WAVES 6 TO 9 FEET OCCASIONALLY
TO 11 FEET BUILDING TO 8 TO 11 FEET OCCASIONALLY TO 14 FEET.
TONIGHT
NORTHWEST GALES TO 35 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS IN THE EVENING. HEAVY FREEZING SPRAY. WAVES SUBSIDING TO
7 TO 10 FEET OCCASIONALLY TO 13 FEET.
THURSDAY
NORTHWEST GALES TO 35 KNOTS BACKING WEST. HEAVY
FREEZING SPRAY. A SLIGHT CHANCE OF SNOW SHOWERS IN THE AFTERNOON.
WAVES SUBSIDING TO 6 TO 9 FEET OCCASIONALLY TO 11 FEET.
THURSDAY NIGHT
WEST GALES TO 35 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. HEAVY FREEZING SPRAY. A SLIGHT CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 5 TO 8 FEET OCCASIONALLY TO 10 FEET, THEN
BUILDING TO 6 TO 9 FEET OCCASIONALLY TO 11 FEET.
FRIDAY
NORTHWEST GALES TO 35 KNOTS. HEAVY FREEZING SPRAY.
WAVES SUBSIDING TO 5 TO 8 FEET OCCASIONALLY TO 10 FEET.
FRIDAY NIGHT
NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. WAVES SUBSIDING TO 3 TO
5 FEET OCCASIONALLY TO 7 FEET.
SATURDAY
NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
SUNDAY
NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. A CHANCE OF
SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET, THEN BUILDING TO
1 TO 3 FEET.
NOTE, WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ265-312100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1000 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT THROUGH THURSDAY EVENING
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
EVENING...
REST OF TODAY
NORTHWEST GALES TO 40 KNOTS. HEAVY FREEZING
SPRAY. SNOW SHOWERS LIKELY LATE IN THE MORNING. A CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. WAVES 5 TO 8 FEET OCCASIONALLY TO
10 FEET BUILDING TO 8 TO 11 FEET OCCASIONALLY TO 14 FEET.
TONIGHT
NORTHWEST GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. A
SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 6 TO 9 FEET
OCCASIONALLY TO 11 FEET, THEN BUILDING TO 7 TO 10 FEET
OCCASIONALLY TO 13 FEET.
THURSDAY
NORTHWEST GALES TO 40 KNOTS BACKING WEST. HEAVY
FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 5 TO
8 FEET OCCASIONALLY TO 10 FEET.
THURSDAY NIGHT
WEST GALES TO 35 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES 5 TO
8 FEET OCCASIONALLY TO 10 FEET.
FRIDAY
NORTHWEST GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. A
SLIGHT CHANCE OF SNOW SHOWERS. WAVES 5 TO 8 FEET OCCASIONALLY TO
10 FEET.
FRIDAY NIGHT
NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. WAVES SUBSIDING TO 3 TO
5 FEET OCCASIONALLY TO 7 FEET.
SATURDAY
NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
SUNDAY
WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES CALM TO 2 FEET.
NOTE, WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ266-312100-
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-
1000 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT THROUGH THURSDAY EVENING
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
EVENING...
REST OF TODAY
NORTHWEST GALES TO 45 KNOTS. HEAVY FREEZING
SPRAY. SNOW SHOWERS LIKELY. WAVES 6 TO 9 FEET OCCASIONALLY TO
11 FEET BUILDING TO 11 TO 15 FEET OCCASIONALLY TO 19 FEET.
TONIGHT
NORTHWEST GALES TO 45 KNOTS. HEAVY FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 10 TO 14 FEET
OCCASIONALLY TO 18 FEET.
THURSDAY
NORTHWEST GALES TO 35 KNOTS BACKING WEST BY MID
AFTERNOON. HEAVY FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 9 TO 12 FEET OCCASIONALLY TO 15 FEET.
THURSDAY NIGHT
WEST GALES TO 35 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 8 TO 11 FEET OCCASIONALLY TO 14 FEET.
FRIDAY
NORTHWEST GALES TO 35 KNOTS. FREEZING SPRAY. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 9 TO 12 FEET OCCASIONALLY TO
15 FEET.
FRIDAY NIGHT
NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET OCCASIONALLY TO 9 FEET.
SATURDAY
NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET
OCCASIONALLY TO 7 FEET.
SUNDAY
NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET, THEN BUILDING TO
2 TO 4 FEET.
NOTE, WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ267-312100-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1000 AM EST WED DEC 31 2025
..GALE WARNING IN EFFECT THROUGH THURSDAY EVENING
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
EVENING...
REST OF TODAY
NORTHWEST GALES TO 35 KNOTS VEERING NORTH BY
LATE MORNING, THEN BECOMING NORTHWEST GALES TO 40 KNOTS BY MID
AFTERNOON. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES 5 TO 8 FEET
OCCASIONALLY TO 10 FEET BUILDING TO 10 TO 14 FEET OCCASIONALLY TO
18 FEET.
TONIGHT
NORTHWEST GALES TO 40 KNOTS. HEAVY FREEZING SPRAY.
SNOW SHOWERS LIKELY. WAVES BUILDING TO 11 TO 15 FEET OCCASIONALLY
TO 19 FEET, THEN SUBSIDING TO 10 TO 14 FEET OCCASIONALLY TO
18 FEET.
THURSDAY
NORTHWEST GALES TO 35 KNOTS BECOMING WEST GALES TO
40 KNOTS BY MID AFTERNOON. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. A SLIGHT CHANCE OF SLEET IN THE AFTERNOON. WAVES
SUBSIDING TO 9 TO 12 FEET OCCASIONALLY TO 15 FEET.
THURSDAY NIGHT
WEST GALES TO 35 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO
8 TO 11 FEET OCCASIONALLY TO 14 FEET.
FRIDAY
NORTHWEST GALES TO 35 KNOTS. FREEZING SPRAY. A CHANCE
OF SNOW SHOWERS IN THE MORNING. SNOW SHOWERS LIKELY IN THE
AFTERNOON. WAVES BUILDING TO 9 TO 12 FEET OCCASIONALLY TO
15 FEET.
FRIDAY NIGHT
NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS LIKELY IN
THE EVENING. A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
SUBSIDING TO 4 TO 7 FEET OCCASIONALLY TO 9 FEET.
SATURDAY
NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET
OCCASIONALLY TO 7 FEET.
SUNDAY
NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET, THEN BUILDING TO
2 TO 4 FEET.
NOTE, WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ261-312100-
MAFOR 3116/
SUPERIOR WEST...HEAVY FREEZING SPRAY WARNING IN EFFECT...14740
11730 12740 11730. WAVES 3 TO 6 FEET.
SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...HEAVY FREEZING
SPRAY WARNING IN EFFECT...16752. A CHANCE OF SNOW SHOWERS THIS
AFTERNOON. WAVES 6 TO 10 FEET THIS AFTERNOON. WAVES 7 TO 11 FEET
TONIGHT AND THURSDAY MORNING.
SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...HEAVY FREEZING
SPRAY WARNING IN EFFECT...11757 15752 11752. WAVES 7 TO 10 FEET
BUILDING TO 9 TO 13 FEET THIS AFTERNOON. WAVES 9 TO 13 FEET
TONIGHT AND THURSDAY MORNING.
SUPERIOR EAST...GALE WARNING IN EFFECT...HEAVY FREEZING SPRAY
WARNING IN EFFECT...14757 11757 13752. WAVES 6 TO 9 FEET BUILDING
TO 10 TO 13 FEET THIS AFTERNOON. WAVES 10 TO 14 FEET TONIGHT AND
THURSDAY MORNING.
WFO MQT
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/MQT/GLFTABLE
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
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