065
FZUS63 KMQT 160210 CCA
GLFLS
OPEN LAKE FORECAST FOR LAKE SUPERIOR...CORRECTED
NATIONAL WEATHER SERVICE MARQUETTE MI
1010 PM EDT WED JUL 15 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
30.1 INCH RIDGING PERSISTS OVER LAKE SUPERIOR INTO FRIDAY WHILE
GRADUALLY SHIFTING EAST TOWARDS THE ST. LAWRENCE SEAWAY. LOW
PRESSURE PASSING THROUGH THE NORTHERN PLAINS LOOKS TO TRAVERSE THE
THE LAKE AT AROUND 29.7 INCHES FRIDAY EVENING INTO SATURDAY MORNING.
FOLLOWING THE LOW, WEAK 29.9 TO 30.0 INCH RIDGING RETURNS TO LAKE
SUPERIOR LATE SATURDAY AND REMAINS THROUGH SUNDAY. AFTERWARDS, A
29.5 INCH LOW PRESSURE DIVING SOUTHEAST OVER NORTHERN ONTARIO IS
LOOKING TO BRING 29.6 INCH TROUGHING OVER LAKE SUPERIOR ON MONDAY.
LSZ162-160800-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1010 PM EDT WED JUL 15 2026 /910 PM CDT WED JUL 15 2026/
...DENSE SMOKE ADVISORY IN EFFECT UNTIL 11 AM EDT /10 AM CDT/
THURSDAY...
REST OF TONIGHT
WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. SMOKE. WAVES CALM TO 2 FEET.
THURSDAY
NORTH WINDS LESS THAN 10 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS IN THE AFTERNOON, THEN INCREASING TO 10 TO 20 KNOTS
LATE. SMOKE. A SLIGHT CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
THURSDAY NIGHT
NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. SMOKE. A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES CALM TO
2 FEET.
FRIDAY
NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. SMOKE THROUGH EARLY AFTERNOON. SHOWERS
LIKELY THROUGH EARLY AFTERNOON. A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
FRIDAY NIGHT
NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH AFTER
MIDNIGHT. A CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT. A CHANCE OF
SHOWERS. WAVES CALM TO 2 FEET.
SATURDAY
WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
SATURDAY NIGHT
WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
SUNDAY
SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
MONDAY
WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A CHANCE
OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET, THEN SUBSIDING TO CALM
TO 2 FEET.
LSZ263-160800-
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-
1010 PM EDT WED JUL 15 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY
REST OF TONIGHT
WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST
LATE. SMOKE. WAVES CALM TO 2 FEET.
THURSDAY
NORTHWEST WINDS LESS THAN 10 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS IN THE AFTERNOON. SMOKE. WAVES CALM TO 2 FEET.
THURSDAY NIGHT
EAST WINDS 5 TO 15 KNOTS. SMOKE. A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
FRIDAY
EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. SMOKE THROUGH EARLY AFTERNOON. SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES CALM TO 2 FEET.
FRIDAY NIGHT
NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH AFTER
MIDNIGHT. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS THROUGH
MIDNIGHT, THEN A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
SATURDAY
NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY
MID AFTERNOON. WAVES CALM TO 2 FEET.
SATURDAY NIGHT
WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
SUNDAY
SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES BUILDING TO 1 TO 3 FEET.
MONDAY
WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A CHANCE
OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET.
LSZ264-160800-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1010 PM EDT WED JUL 15 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY
REST OF TONIGHT
WEST WINDS 5 TO 15 KNOTS. SMOKE. WAVES CALM TO
2 FEET.
THURSDAY
NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST LESS
THAN 10 KNOTS IN THE AFTERNOON, THEN VEERING SOUTH LATE. SMOKE.
WAVES CALM TO 2 FEET.
THURSDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. SMOKE. A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
FRIDAY
SOUTHEAST WINDS 5 TO 15 KNOTS. SMOKE THROUGH EARLY
AFTERNOON. SHOWERS. A CHANCE OF THUNDERSTORMS BY MID AFTERNOON.
WAVES CALM TO 2 FEET.
FRIDAY NIGHT
EAST WINDS 5 TO 15 KNOTS BACKING NORTH AFTER
MIDNIGHT. SHOWERS AND A CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT,
THEN A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO
3 FEET.
SATURDAY
NORTH WINDS 5 TO 15 KNOTS BACKING WEST BY MID
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
SATURDAY NIGHT
WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
SUNDAY
SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. A CHANCE OF SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
MONDAY
WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A CHANCE
OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET, THEN SUBSIDING TO 1 TO
3 FEET.
LSZ265-160800-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1010 PM EDT WED JUL 15 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY
REST OF TONIGHT
WEST WINDS 10 TO 20 KNOTS. SMOKE. WAVES CALM
TO 2 FEET.
THURSDAY
NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH IN THE
AFTERNOON, THEN VEERING EAST LATE. SMOKE. WAVES CALM TO 2 FEET.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS LATE. SMOKE. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
FRIDAY
SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. SMOKE THROUGH EARLY AFTERNOON. SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 1 TO
3 FEET.
FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 25 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. SHOWERS THROUGH MIDNIGHT. A CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
SATURDAY
NORTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
2 TO 4 FEET, THEN SUBSIDING TO 1 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
SUNDAY
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. A CHANCE OF SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
MONDAY
NORTHWEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS. A CHANCE OF SHOWERS. WAVES BUILDING TO 5 TO 8 FEET
OCCASIONALLY TO 10 FEET.
LSZ266-160800-
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-
1010 PM EDT WED JUL 15 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY
REST OF TONIGHT
WEST WINDS 10 TO 20 KNOTS. SMOKE. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
THURSDAY
NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH IN THE
AFTERNOON, THEN BACKING NORTHWEST LATE. SMOKE. WAVES CALM TO
2 FEET.
THURSDAY NIGHT
WEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. SMOKE. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES CALM TO 2 FEET.
FRIDAY
SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. SMOKE THROUGH EARLY AFTERNOON. SHOWERS
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO
1 TO 3 FEET.
FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. SHOWERS AND A CHANCE OF
THUNDERSTORMS. WAVES 1 TO 3 FEET.
SATURDAY
NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST BY MID
AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET,
THEN SUBSIDING TO 2 TO 4 FEET.
SATURDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
SUNDAY
SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS.
A CHANCE OF SHOWERS. WAVES BUILDING TO 2 TO 4 FEET.
MONDAY
WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST GALES TO
35 KNOTS. A CHANCE OF SHOWERS. WAVES BUILDING TO 5 TO 8 FEET
OCCASIONALLY TO 10 FEET.
LSZ267-160800-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1010 PM EDT WED JUL 15 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 11 AM EDT THURSDAY
REST OF TONIGHT
WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT, THEN INCREASING TO 10 TO 20 KNOTS LATE.
SMOKE. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
THURSDAY
NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST IN THE
AFTERNOON, THEN INCREASING TO 10 TO 20 KNOTS LATE. SMOKE. WAVES
CALM TO 2 FEET.
THURSDAY NIGHT
WEST WINDS 5 TO 15 KNOTS BACKING EAST LATE.
SMOKE. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES CALM TO
2 FEET.
FRIDAY
SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. SMOKE THROUGH EARLY AFTERNOON. A
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 20 KNOTS. SHOWERS AND A
CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
SATURDAY
NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS THROUGH EARLY
AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
SATURDAY NIGHT
NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
SUNDAY
SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
WAVES BUILDING TO 2 TO 4 FEET.
MONDAY
WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. SHOWERS LIKELY. A CHANCE OF SHOWERS. WAVES BUILDING TO
3 TO 5 FEET OCCASIONALLY TO 7 FEET.
LSZ261-160800-
MAFOR 1603/
SUPERIOR WEST 11603 12703 11803 12103 11113 11213. WAVES 1 FOOT OR
LESS.
SUPERIOR NORTH CENTRAL 12613 11713 11703 11803 11303 12403. WAVES 2
FEET OR LESS.
SUPERIOR SOUTH CENTRAL 11613 12623 11713 11813 11803 11103 11303.
WAVES 2 FEET OR LESS.
SUPERIOR EAST 11623 11613 11713 14703 11703. WAVES 1 TO 3 FEET.
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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