111
FZUS63 KMQT 261401
GLFLS
OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1001 AM EDT SAT SEP 26 2026
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
A BROAD AREA OF 30.3 INCH HIGH PRESSURE OVER NORTHEAST ONTARIO TODAY
SHIFTS NORTHEAST TOWARD NORTHERN QUEBEC TONIGHT WHILE A 29.4 INCH
LOW DEEPENS TO 29.3 INCHES OVER NORTHERN SASKATCHEWAN AND A 29.3
INCH NOR'EASTER CHURNS OFF THE COAST OF LONG ISLAND. SUNDAY, LAKE
SUPERIOR WILL BE BETWEEN THE 30.3 INCH HIGH OVER THE CANADIAN
MARITIMES, THE CANADIAN LOW OVER THE MANITOBA/NUNUVUT LINE AT 29.5
INCHES, THE NOR'EASTER OVER NEW JERSEY AT 29.7 INCHES, AND A HIGH
PRESSURE MOVIGN FROM THE ROCKIES TO THE DAKOTAS AT 30.1 INCHES. THE
LATTER HIGH MOVES DIRECTLY OVER THE LAKE MONDAY AS A 29.7 INCH LOW
DEVELOPS OVER COLORADO. THIS LOW EJECTS NORTHEAST LATE MONDAY
THROUGH TUESDAY, REACHING NORTHERN ONTARIO AT 29.7 INCHES LATE
TUESDAY. WEDNESDAY, LAKE SUPERIOR WILL BE BETWEEN A 29.5 INCH LOW
OVER NORTHERN MANITOBA AND A 30.1 INCH HIGH OFF THE COAST OF THE
CAROLINAS. THURSDAY, THE LOW WILL CROSS HUDSON BAY, DRAGGING ALONG A
29.7 INCH TROUGH ACROSS LAKE SUPERIOR.
LSZ162-262000-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1001 AM EDT SAT SEP 26 2026 /901 AM CDT SAT SEP 26 2026/
REST OF TODAY
EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS LATE. WAVES CALM TO 2 FEET.
TONIGHT
EAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER MIDNIGHT.
A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
SUNDAY
SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST LATE. A
CHANCE OF SHOWERS THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
SUNDAY NIGHT
WEST WINDS LESS THAN 10 KNOTS VEERING NORTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
MONDAY
NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
MONDAY NIGHT
EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
TUESDAY
SOUTH WINDS 5 TO 15 KNOTS VEERING WEST. SHOWERS
LIKELY, THEN A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
WEDNESDAY
SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST. WAVES
CALM TO 2 FEET.
LSZ263-262000-
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-
1001 AM EDT SAT SEP 26 2026
REST OF TODAY
SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST IN
THE AFTERNOON. WAVES CALM TO 2 FEET.
TONIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES CALM
TO 2 FEET.
SUNDAY
SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. A SLIGHT CHANCE OF SHOWERS THROUGH EARLY AFTERNOON.
WAVES CALM TO 2 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
MONDAY
NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST LESS THAN
10 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
TUESDAY
SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. SHOWERS
LIKELY, THEN A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
WEDNESDAY
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
LSZ264-262000-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1001 AM EDT SAT SEP 26 2026
REST OF TODAY
SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST LATE.
PATCHY FOG BY LATE MORNING. WAVES CALM TO 2 FEET.
TONIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
SUNDAY
SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. A SLIGHT CHANCE OF SHOWERS THROUGH EARLY AFTERNOON.
WAVES CALM TO 2 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS LESS THAN 10 KNOTS VEERING WEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
MONDAY
NORTH WINDS LESS THAN 10 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
TUESDAY
SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. A CHANCE
OF SHOWERS. WAVES CALM TO 2 FEET.
WEDNESDAY
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
LSZ265-262000-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1001 AM EDT SAT SEP 26 2026
REST OF TODAY
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST
10 TO 20 KNOTS IN THE AFTERNOON, THEN INCREASING TO 15 TO
25 KNOTS LATE. PATCHY FOG BY LATE MORNING. WAVES CALM TO 2 FEET.
TONIGHT
SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT, THEN DIMINISHING TO 5 TO 15 KNOTS LATE. WAVES CALM TO
2 FEET.
SUNDAY
SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON, THEN VEERING NORTH LATE. WAVES CALM TO 2 FEET.
SUNDAY NIGHT
WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
MONDAY
NORTHWEST WINDS 5 TO 15 KNOTS VEERING EAST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
TUESDAY
SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
WEDNESDAY
SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
LSZ266-262000-
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-
1001 AM EDT SAT SEP 26 2026
REST OF TODAY
SOUTHEAST WINDS 5 TO 15 KNOTS BACKING EAST LATE.
PATCHY FOG BY LATE MORNING. WAVES CALM TO 2 FEET.
TONIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
SUNDAY
SOUTH WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS IN THE AFTERNOON, THEN BACKING NORTHEAST LATE. WAVES
CALM TO 2 FEET.
SUNDAY NIGHT
NORTH WINDS LESS THAN 10 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
MONDAY
NORTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
TUESDAY
SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
WEDNESDAY
SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET, THEN BUILDING TO
1 TO 3 FEET.
LSZ267-262000-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1001 AM EDT SAT SEP 26 2026
REST OF TODAY
EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST LATE.
PATCHY FOG BY LATE MORNING. WAVES CALM TO 2 FEET.
TONIGHT
EAST WINDS 5 TO 15 KNOTS VEERING SOUTH LATE. WAVES
CALM TO 2 FEET.
SUNDAY
SOUTHEAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS IN THE AFTERNOON, THEN BECOMING NORTHEAST 5 TO 15 KNOTS
LATE. WAVES CALM TO 2 FEET.
SUNDAY NIGHT
NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
MONDAY
NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
MONDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
TUESDAY
SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF SHOWERS. WAVES BUILDING TO 1 TO 3 FEET,
THEN SUBSIDING TO CALM TO 2 FEET.
WEDNESDAY
SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. A
CHANCE OF SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
LSZ261-262000-
MAFOR 2615/
SUPERIOR WEST 11300 11200 12210 13410 11400. A CHANCE OF SHOWERS
SUNDAY MORNING. WAVES 2 FEET OR LESS.
SUPERIOR NORTH CENTRAL 14310 11310 12410 11400. WAVES 2 FEET OR
LESS.
SUPERIOR SOUTH CENTRAL 11310 12220 11320 11310 11410 12400. WAVES
2 FEET OR LESS.
SUPERIOR EAST 14200 12300 12400. WAVES 1 FOOT OR LESS.
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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