587
AXUS43 KMQT 210201
MISMQT
OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
1000 PM EDT THU AUG 20 2026
LSZ162-210800-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1000 PM EDT THU AUG 20 2026 /900 PM CDT THU AUG 20 2026/
REST OF TONIGHT
EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS BY
MIDNIGHT. WAVES CALM TO 2 FEET.
FRIDAY
NORTH WINDS 5 TO 15 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
FRIDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT, THEN BECOMING NORTHWEST 10 TO 20 KNOTS LATE. WAVES CALM
TO 2 FEET.
SATURDAY
NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET.
LSZ263-210800-
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 PM EDT THU AUG 20 2026
REST OF TONIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS BACKING
NORTHEAST LATE. A SLIGHT CHANCE OF THUNDERSTORMS BY MIDNIGHT. A
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
FRIDAY
NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH IN THE
AFTERNOON, THEN BACKING WEST LATE. A SLIGHT CHANCE OF SHOWERS
THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
FRIDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT, THEN BECOMING NORTHWEST 10 TO 20 KNOTS LATE. A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
SATURDAY
NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS. WAVES CALM
TO 2 FEET.
LSZ264-210800-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1000 PM EDT THU AUG 20 2026
REST OF TONIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF THUNDERSTORMS BY MIDNIGHT. A CHANCE OF SHOWERS. WAVES CALM TO
2 FEET BUILDING TO 1 TO 3 FEET.
FRIDAY
EAST WINDS 5 TO 15 KNOTS BACKING NORTH IN THE
AFTERNOON, THEN BACKING NORTHWEST LATE. WAVES SUBSIDING TO CALM
TO 2 FEET.
FRIDAY NIGHT
WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
SATURDAY
NORTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS THROUGH EARLY AFTERNOON. WAVES CALM TO 2 FEET.
LSZ265-210800-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1000 PM EDT THU AUG 20 2026
REST OF TONIGHT
SOUTHEAST WINDS 15 TO 25 KNOTS VEERING SOUTH
LATE. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET, THEN SUBSIDING TO
CALM TO 2 FEET.
FRIDAY
SOUTH WINDS 10 TO 20 KNOTS VEERING WEST IN THE
AFTERNOON, THEN VEERING NORTHWEST LATE. A SLIGHT CHANCE OF
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS BY MID AFTERNOON. WAVES
CALM TO 2 FEET.
FRIDAY NIGHT
NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST AFTER
MIDNIGHT, THEN INCREASING TO 15 TO 25 KNOTS LATE. WAVES CALM TO
2 FEET.
SATURDAY
NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS THROUGH EARLY
AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.
LSZ266-210800-
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 PM EDT THU AUG 20 2026
REST OF TONIGHT
SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT, THEN BECOMING SOUTH 10 TO 20 KNOTS
LATE. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.
FRIDAY
SOUTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS LATE. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO
2 FEET.
FRIDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS THROUGH
MIDNIGHT. WAVES CALM TO 2 FEET.
SATURDAY
NORTHWEST WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF
SHOWERS THROUGH EARLY AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET
OCCASIONALLY TO 8 FEET.
LSZ267-210800-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1000 PM EDT THU AUG 20 2026
REST OF TONIGHT
SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
LATE. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.
FRIDAY
SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
FRIDAY NIGHT
WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT. A
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
SATURDAY
NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
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