645
FZUS53 KDLH 201111
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
611 AM 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.
LSZ140-201600-
GRAND PORTAGE TO GRAND MARAIS MN-
611 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS IN
THE MORNING. SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET
LATE IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
EAST WIND 5 TO 10 KNOTS. PARTLY SUNNY IN THE MORNING
THEN CLEARING. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
LSZ141-201600-
GRAND MARAIS TO TACONITE HARBOR MN-
611 AM CDT SUN SEP 20 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. GUSTS UP TO 20 KNOTS. SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
EAST WIND 5 TO 10 KNOTS. PARTLY SUNNY IN THE MORNING
THEN CLEARING. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
LSZ142-201600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
611 AM CDT SUN SEP 20 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING EAST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. SUNNY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN
THE AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
MONDAY
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN CLEARING. WAVES
1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
LSZ143-201600-
SILVER BAY HARBOR TO TWO HARBORS MN-
611 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN THE LATE MORNING AND
AFTERNOON.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 2 TO 4 FEET.
MONDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN
BECOMING MOSTLY SUNNY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
LSZ144-201600-
TWO HARBORS TO DULUTH MN-
611 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 2 TO 4 FEET.
MONDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
PARTLY SUNNY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
LSZ145-201600-
DULUTH MN TO PORT WING WI-
611 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 2 TO 4 FEET.
MONDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
PARTLY SUNNY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
LSZ146-201600-
PORT WING TO SAND ISLAND WI-
611 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
MONDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ147-201600-
SAND ISLAND TO BAYFIELD WI-
611 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS UNTIL
EARLY MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE
EVENING AND OVERNIGHT.
MONDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ150-201600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
611 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY
SUNNY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
TONIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. PARTLY
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 4 TO
6 FEET SUBSIDING TO 2 TO 4 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 7 FEET.
MONDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS EARLY IN THE MORNING. MOSTLY
CLEAR. WAVES 1 TO 3 FEET.
LSZ121-201600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
611 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PATCHY FOG EARLY IN THE MORNING. WAVES 1 TO 2 FEET
BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY
CLOUDY. WAVES 1 TO 3 FEET.
MONDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHEAST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. 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. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
LSZ148-201600-
OAK POINT TO SAXON HARBOR WI-
611 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY
CLOUDY UNTIL LATE AFTERNOON THEN BECOMING MOSTLY SUNNY. WAVES
4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
TONIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 TO 10 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY.
WAVES 4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 7 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 IN THE MORNING THEN BECOMING MOSTLY
SUNNY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING EAST 5 TO 10 KNOTS AFTER MIDNIGHT.
MOSTLY CLEAR. WAVES 1 TO 3 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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