044
FZUS53 KDLH 210400
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1100 PM CDT SUN SEP 20 2026
FOR WATERS WITHIN FIVE 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.
LSZ140-211000-
GRAND PORTAGE TO GRAND MARAIS MN-
1100 PM CDT SUN SEP 20 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
MONDAY
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY IN THE MORNING
THEN BECOMING MOSTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST EARLY
IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
LSZ141-211000-
GRAND MARAIS TO TACONITE HARBOR MN-
1100 PM CDT SUN SEP 20 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
MONDAY
EAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ142-211000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1100 PM CDT SUN SEP 20 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
MONDAY
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ143-211000-
SILVER BAY HARBOR TO TWO HARBORS MN-
1100 PM CDT SUN SEP 20 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
MONDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
LSZ144-211000-
TWO HARBORS TO DULUTH MN-
1100 PM CDT SUN SEP 20 2026
REST OF TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
MONDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
TUESDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY
SUNNY. WAVES 1 TO 3 FEET.
LSZ145-211000-
DULUTH MN TO PORT WING WI-
1100 PM CDT SUN SEP 20 2026
REST OF TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
MONDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
MOSTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET LATE IN
THE AFTERNOON.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND
OVERNIGHT.
TUESDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
LSZ146-211000-
PORT WING TO SAND ISLAND WI-
1100 PM CDT SUN SEP 20 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
LSZ147-211000-
SAND ISLAND TO BAYFIELD WI-
1100 PM CDT SUN SEP 20 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE EVENING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST WITH GUSTS
TO AROUND 20 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR
LESS.
LSZ150-211000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1100 PM CDT SUN SEP 20 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE EVENING. MOSTLY CLOUDY. WAVES 1 TO 3 FEET SUBSIDING
TO 1 TO 2 FEET.
MONDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 3 FEET.
TUESDAY
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHEAST 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
LSZ121-211000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1100 PM CDT SUN SEP 20 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
MONDAY
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHEAST 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
LATE IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING EAST 5 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST WITH GUSTS
TO AROUND 20 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-211000-
OAK POINT TO SAXON HARBOR WI-
1100 PM CDT SUN SEP 20 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE EVENING. MOSTLY CLOUDY. WAVES 1 TO 3 FEET SUBSIDING
TO 1 TO 2 FEET.
MONDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHEAST WITH GUSTS TO AROUND 25 KNOTS LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHEAST 5 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 3 FEET.
TUESDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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