580
FZUS53 KMQT 170902
NSHMQT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MARQUETTE MI
502 AM EDT THU SEP 17 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE
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.
LMZ221-172000-
GREEN BAY NORTH OF LINE FROM CEDAR RIVER MI TO ROCK ISLAND
PASSAGE-
502 AM EDT THU SEP 17 2026
EARLY THIS MORNING
NORTHEAST WIND LESS THAN 10 KNOTS. CLOUDY
WITH A CHANCE OF SHOWERS. WAVES CALM TO 1 FOOT.
TODAY
NORTH WIND LESS THAN 10 KNOTS THROUGH EARLY AFTERNOON
BECOMING VARIABLE. PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS
THROUGH MID MORNING. WAVES CALM TO 1 FOOT.
TONIGHT
NORTHEAST WIND 5 TO 15 KNOTS. MOSTLY CLEAR. WAVES CALM
TO 1 FOOT.
FRIDAY
NORTHEAST WIND LESS THAN 10 KNOTS VEERING EAST IN THE
AFTERNOON. MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES CALM TO 1 FOOT.
FRIDAY NIGHT
EAST WIND 10 TO 15 KNOTS VEERING SOUTHEAST AFTER
MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WAVES BUILDING
TO 2 TO 3 FEET.
LMZ248-250-172000-
SEUL CHOIX POINT TO POINT DETOUR MI-
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE-
502 AM EDT THU SEP 17 2026
EARLY THIS MORNING
NORTHEAST WIND LESS THAN 10 KNOTS. CLOUDY
WITH A CHANCE OF SHOWERS. WAVES CALM TO 1 FOOT.
TODAY
NORTH WIND LESS THAN 10 KNOTS BACKING WEST BY LATE
MORNING. PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS THROUGH MID
MORNING. WAVES CALM TO 1 FOOT.
TONIGHT
NORTH WIND 5 TO 15 KNOTS VEERING NORTHEAST 10 TO
15 KNOTS LATE. MOSTLY CLEAR. WAVES BUILDING TO 1 TO 2 FEET.
FRIDAY
NORTHEAST WIND LESS THAN 10 KNOTS VEERING EAST IN THE
AFTERNOON. MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
EAST WIND LESS THAN 10 KNOTS VEERING SOUTHEAST
10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES BUILDING TO 1 TO 2 FEET.
LSZ240-241-172000-
SAXON HARBOR WI TO BLACK RIVER MI-
BLACK RIVER TO ONTONAGON MI-
502 AM EDT THU SEP 17 2026 /402 AM CDT THU SEP 17 2026/
EARLY THIS MORNING
SOUTHWEST WIND LESS THAN 10 KNOTS. MOSTLY
CLOUDY. WAVES CALM TO 1 FOOT.
TODAY
SOUTHWEST WIND LESS THAN 10 KNOTS VEERING NORTHWEST BY
LATE MORNING. PARTLY CLOUDY. WAVES CALM TO 1 FOOT.
TONIGHT
VARIABLE WIND LESS THAN 10 KNOTS BECOMING NORTHEAST
LESS THAN 10 KNOTS BY MIDNIGHT, THEN VEERING EAST LATE. PARTLY
CLOUDY. WAVES BUILDING TO 1 TO 2 FEET.
FRIDAY
EAST WIND LESS THAN 10 KNOTS. GUSTS UP TO 17 KNOTS.
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
1 TO 2 FEET.
FRIDAY NIGHT
EAST WIND LESS THAN 10 KNOTS WITH GUSTS UP TO
17 KNOTS. MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
LSZ242-243-172000-
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-
502 AM EDT THU SEP 17 2026
EARLY THIS MORNING
SOUTHWEST WIND LESS THAN 10 KNOTS. MOSTLY
CLOUDY. WAVES CALM TO 1 FOOT.
TODAY
WEST WIND LESS THAN 10 KNOTS. PARTLY CLOUDY. WAVES CALM
TO 1 FOOT.
TONIGHT
NORTHWEST WIND LESS THAN 10 KNOTS VEERING NORTHEAST BY
MIDNIGHT, THEN VEERING EAST 10 TO 15 KNOTS LATE. MOSTLY CLEAR.
WAVES BUILDING TO 1 TO 2 FEET.
FRIDAY
EAST WIND 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES BUILDING
TO 2 TO 3 FEET, THEN SUBSIDING TO 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHEAST WIND 5 TO 15 KNOTS. PARTLY CLOUDY. A
CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ244-245-172000-
EAGLE RIVER TO MANITOU ISLAND MI-
MANITOU ISLAND TO POINT ISABELLE MI-
502 AM EDT THU SEP 17 2026
EARLY THIS MORNING
SOUTHWEST WIND LESS THAN 10 KNOTS. MOSTLY
CLOUDY. WAVES CALM TO 1 FOOT.
TODAY
WEST WIND 10 TO 15 KNOTS VEERING NORTHWEST BY LATE
MORNING. PARTLY CLOUDY. WAVES BUILDING TO 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND LESS THAN 10 KNOTS VEERING NORTHEAST
10 TO 15 KNOTS LATE. MOSTLY CLEAR. WAVES BUILDING TO 2 TO 3 FEET.
FRIDAY
EAST WIND 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES
SUBSIDING TO 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ246-172000-
POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI-
502 AM EDT THU SEP 17 2026
EARLY THIS MORNING
SOUTHWEST WIND LESS THAN 10 KNOTS. MOSTLY
CLOUDY. WAVES CALM TO 1 FOOT.
TODAY
WEST WIND LESS THAN 10 KNOTS VEERING NORTHWEST BY LATE
MORNING. PARTLY CLOUDY. WAVES CALM TO 1 FOOT.
TONIGHT
NORTHWEST WIND LESS THAN 10 KNOTS VEERING NORTHEAST
10 TO 15 KNOTS LATE. MOSTLY CLEAR. WAVES BUILDING TO 1 TO 2 FEET.
FRIDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS UP TO 23 KNOTS.
MOSTLY CLOUDY. WAVES BUILDING TO 2 TO 3 FEET.
FRIDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS UP TO
22 KNOTS. PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES SUBSIDING TO 1 TO 2 FEET.
LSZ247-172000-
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING
KEWEENAW AND HURON BAYS-
502 AM EDT THU SEP 17 2026
EARLY THIS MORNING
SOUTHWEST WIND LESS THAN 10 KNOTS. CLOUDY.
WAVES CALM TO 1 FOOT.
TODAY
WEST WIND LESS THAN 10 KNOTS VEERING NORTHWEST LATE.
PARTLY CLOUDY. WAVES CALM TO 1 FOOT.
TONIGHT
NORTHWEST WIND LESS THAN 10 KNOTS VEERING EAST 10 TO
15 KNOTS LATE. MOSTLY CLEAR. WAVES BUILDING TO 1 TO 2 FEET.
FRIDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS UP TO 23 KNOTS.
MOSTLY CLOUDY. WAVES BUILDING TO 2 TO 3 FEET.
FRIDAY NIGHT
SOUTHEAST WIND 5 TO 15 KNOTS WITH GUSTS UP TO
22 KNOTS. PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 2 FEET.
LSZ248-172000-
HURON ISLANDS TO MARQUETTE MI-
502 AM EDT THU SEP 17 2026
EARLY THIS MORNING
WEST WIND LESS THAN 10 KNOTS. CLOUDY WITH A
SLIGHT CHANCE OF SHOWERS. WAVES CALM TO 1 FOOT.
TODAY
WEST WIND LESS THAN 10 KNOTS VEERING NORTHWEST BY LATE
MORNING. PARTLY CLOUDY. WAVES CALM TO 1 FOOT.
TONIGHT
NORTHWEST WIND LESS THAN 10 KNOTS VEERING NORTHEAST
LATE. PARTLY CLOUDY. WAVES BUILDING TO 1 TO 2 FEET.
FRIDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS UP TO 22 KNOTS.
MOSTLY CLOUDY. WAVES BUILDING TO 2 TO 3 FEET.
FRIDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS DIMINISHING TO LESS
THAN 10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING, THEN
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES
SUBSIDING TO 1 TO 2 FEET.
LSZ249-172000-
MARQUETTE TO MUNISING MI-
502 AM EDT THU SEP 17 2026
EARLY THIS MORNING
SOUTHWEST WIND LESS THAN 10 KNOTS. CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS. WAVES CALM TO 1 FOOT.
TODAY
WEST WIND LESS THAN 10 KNOTS VEERING NORTH BY LATE
MORNING. MOSTLY CLOUDY. WAVES CALM TO 1 FOOT.
TONIGHT
NORTH WIND 5 TO 15 KNOTS VEERING NORTHEAST 10 TO
15 KNOTS LATE. MOSTLY CLEAR. WAVES BUILDING TO 1 TO 2 FEET.
FRIDAY
EAST WIND 5 TO 15 KNOTS. MOSTLY CLOUDY. WAVES BUILDING
TO 2 TO 3 FEET, THEN SUBSIDING TO 1 TO 2 FEET.
FRIDAY NIGHT
EAST WIND LESS THAN 10 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. GUSTS UP TO 18 KNOTS. PARTLY CLOUDY IN THE
EVENING, THEN MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ250-172000-
MUNISING TO GRAND MARAIS MI-
502 AM EDT THU SEP 17 2026
EARLY THIS MORNING
SOUTHWEST WIND LESS THAN 10 KNOTS. CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS. WAVES CALM TO 1 FOOT.
TODAY
SOUTHWEST WIND LESS THAN 10 KNOTS VEERING NORTHWEST
LATE. MOSTLY CLOUDY. WAVES CALM TO 1 FOOT.
TONIGHT
NORTH WIND LESS THAN 10 KNOTS VEERING NORTHEAST 10 TO
15 KNOTS LATE. MOSTLY CLEAR. WAVES BUILDING TO 2 TO 3 FEET.
FRIDAY
NORTHEAST WIND 5 TO 15 KNOTS. MOSTLY CLOUDY. WAVES
SUBSIDING TO 1 TO 2 FEET.
FRIDAY NIGHT
EAST WIND LESS THAN 10 KNOTS VEERING SOUTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING, THEN
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES 1 TO 2 FEET.
LSZ251-172000-
GRAND MARAIS TO WHITEFISH POINT MI-
502 AM EDT THU SEP 17 2026
EARLY THIS MORNING
SOUTHWEST WIND LESS THAN 10 KNOTS. CLOUDY
WITH A SLIGHT CHANCE OF SHOWERS. WAVES CALM TO 1 FOOT.
TODAY
SOUTHWEST WIND LESS THAN 10 KNOTS VEERING NORTHWEST 5 TO
15 KNOTS BY LATE MORNING. PARTLY CLOUDY. WAVES BUILDING TO 1 TO
2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS VEERING NORTHEAST LATE.
MOSTLY CLEAR. WAVES BUILDING TO 2 TO 3 FEET.
FRIDAY
NORTHEAST WIND 5 TO 15 KNOTS BECOMING LESS THAN
10 KNOTS IN THE AFTERNOON. PARTLY CLOUDY. WAVES SUBSIDING TO 1 TO
2 FEET.
FRIDAY NIGHT
EAST WIND LESS THAN 10 KNOTS VEERING SOUTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES CALM TO
1 FOOT.
WFO MQT
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