306
AXUS43 KMQT 180801
MISMQT
OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
401 AM EDT TUE AUG 18 2026
LSZ162-182000-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
401 AM EDT TUE AUG 18 2026 /301 AM CDT TUE AUG 18 2026/
EARLY THIS MORNING
WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
TODAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
TONIGHT
WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST LATE. WAVES
SUBSIDING TO CALM TO 2 FEET.
WEDNESDAY
WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
WEDNESDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH
LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
LSZ263-182000-
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-
401 AM EDT TUE AUG 18 2026
EARLY THIS MORNING
WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
TODAY
NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON, THEN BECOMING SOUTHWEST 15 TO 25 KNOTS LATE. WAVES
SUBSIDING TO CALM TO 2 FEET, THEN BUILDING TO 1 TO 3 FEET.
TONIGHT
WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
AFTER MIDNIGHT, THEN VEERING NORTHWEST LATE. WAVES SUBSIDING TO
CALM TO 2 FEET.
WEDNESDAY
NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST IN THE
AFTERNOON, THEN BECOMING SOUTHWEST 10 TO 20 KNOTS LATE. WAVES
CALM TO 2 FEET.
WEDNESDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO
LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
LSZ264-182000-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
401 AM EDT TUE AUG 18 2026
EARLY THIS MORNING
WEST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
TODAY
NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS IN THE AFTERNOON, THEN BECOMING SOUTHWEST 10 TO 20 KNOTS
LATE. WAVES SUBSIDING TO CALM TO 2 FEET, THEN BUILDING TO 1 TO
3 FEET.
TONIGHT
WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
AFTER MIDNIGHT, THEN VEERING NORTHWEST LATE. WAVES SUBSIDING TO
CALM TO 2 FEET.
WEDNESDAY
NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
LATE. WAVES CALM TO 2 FEET.
WEDNESDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH
LESS THAN 10 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
LSZ265-182000-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
401 AM EDT TUE AUG 18 2026
EARLY THIS MORNING
WEST WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
TODAY
WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS IN THE AFTERNOON, THEN BACKING WEST LATE. WAVES BUILDING
TO 2 TO 4 FEET, THEN SUBSIDING TO CALM TO 2 FEET.
TONIGHT
WEST WINDS 15 TO 25 KNOTS. WAVES CALM TO 2 FEET.
WEDNESDAY
WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST IN THE
AFTERNOON, THEN BECOMING NORTH 5 TO 15 KNOTS LATE. WAVES CALM TO
2 FEET.
WEDNESDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
LSZ266-182000-
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-
401 AM EDT TUE AUG 18 2026
EARLY THIS MORNING
WEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
TODAY
WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST IN THE
AFTERNOON, THEN BECOMING WEST 10 TO 20 KNOTS LATE. A SLIGHT
CHANCE OF SHOWERS THROUGH EARLY AFTERNOON. WAVES BUILDING TO 2 TO
4 FEET, THEN SUBSIDING TO CALM TO 2 FEET.
TONIGHT
WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST LATE.
WAVES BUILDING TO 1 TO 3 FEET, THEN SUBSIDING TO CALM TO 2 FEET.
WEDNESDAY
NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON, THEN VEERING NORTH LATE. WAVES CALM TO
2 FEET.
WEDNESDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
LSZ267-182000-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
401 AM EDT TUE AUG 18 2026
EARLY THIS MORNING
SOUTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.
TODAY
WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
WEDNESDAY
NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON, THEN BECOMING NORTHWEST 5 TO 15 KNOTS LATE. WAVES CALM
TO 2 FEET.
WEDNESDAY NIGHT
WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
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