558
AXUS43 KMQT 220201
MISMQT
OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
1000 PM EDT THU MAY 21 2026
LSZ162-220800-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1000 PM EDT THU MAY 21 2026 /900 PM CDT THU MAY 21 2026/
REST OF TONIGHT
NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT, THEN VEERING EAST LATE. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
FRIDAY
EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS IN THE AFTERNOON, THEN INCREASING TO 20 TO 30 KNOTS
LATE. WAVES BUILDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET.
FRIDAY NIGHT
EAST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH
MIDNIGHT, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. WAVES
SUBSIDING TO 2 TO 4 FEET.
SATURDAY
EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST BY MID
AFTERNOON. RAIN SHOWERS THROUGH EARLY AFTERNOON, THEN A CHANCE OF
RAIN SHOWERS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
LSZ263-220800-
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 MAY 21 2026
REST OF TONIGHT
EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
FRIDAY
EAST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS.
WAVES BUILDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.
FRIDAY NIGHT
EAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES BUILDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET, THEN
SUBSIDING TO 2 TO 4 FEET.
SATURDAY
EAST WINDS 10 TO 20 KNOTS. RAIN SHOWERS LIKELY. WAVES
BUILDING TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET.
LSZ264-220800-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1000 PM EDT THU MAY 21 2026
REST OF TONIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
FRIDAY
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
FRIDAY NIGHT
EAST WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST
15 TO 25 KNOTS AFTER MIDNIGHT, THEN BECOMING EAST 10 TO 20 KNOTS
LATE. WAVES 2 TO 4 FEET.
SATURDAY
SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN
SHOWERS THROUGH EARLY AFTERNOON, THEN RAIN SHOWERS BY MID
AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET.
LSZ265-220800-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1000 PM EDT THU MAY 21 2026
REST OF TONIGHT
SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
FRIDAY
SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
FRIDAY NIGHT
EAST WINDS 20 TO 30 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT, THEN BECOMING EAST 15 TO 25 KNOTS LATE. WAVES BUILDING
TO 3 TO 5 FEET OCCASIONALLY TO 7 FEET, THEN SUBSIDING TO 2 TO
4 FEET.
SATURDAY
SOUTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES 3 TO
5 FEET OCCASIONALLY TO 7 FEET.
LSZ266-220800-
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 MAY 21 2026
REST OF TONIGHT
SOUTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET SUBSIDING TO CALM
TO 2 FEET.
FRIDAY
SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
FRIDAY NIGHT
EAST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 3 TO
5 FEET OCCASIONALLY TO 7 FEET.
SATURDAY
SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS.
WAVES BUILDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET.
LSZ267-220800-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1000 PM EDT THU MAY 21 2026
REST OF TONIGHT
EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
FRIDAY
SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST IN THE
AFTERNOON, THEN VEERING SOUTHEAST LATE. WAVES BUILDING TO 1 TO
3 FEET.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST
15 TO 25 KNOTS AFTER MIDNIGHT, THEN INCREASING TO 20 TO 30 KNOTS
LATE. WAVES BUILDING TO 2 TO 4 FEET.
SATURDAY
SOUTHEAST WINDS 20 TO 30 KNOTS. A CHANCE OF SHOWERS.
WAVES BUILDING TO 3 TO 6 FEET OCCASIONALLY TO 8 FEET.
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