801
FZUS53 KDLH 070841
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
341 AM CDT MON SEP 7 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.
LSZ140-071600-
GRAND PORTAGE TO GRAND MARAIS MN-
341 AM CDT MON SEP 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING. WAVES 1 TO 2 FEET.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING SOUTHEAST 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
AFTER MIDNIGHT, THEN BECOMING SOUTH 20 TO 25 KNOTS WITH GALES TO
AROUND 35 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY TO 7 FEET. A GALE
WARNING MAY BE NEEDED.
TUESDAY
SOUTH WIND 20 TO 25 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 30 KNOTS. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 10 FEET. A
GALE WARNING MAY BE NEEDED.
TUESDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 30 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY IN
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY TO 7 FEET. A GALE WARNING MAY BE NEEDED.
LSZ141-071600-
GRAND MARAIS TO TACONITE HARBOR MN-
341 AM CDT MON SEP 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY MORNING...
TODAY
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.
WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING SOUTHEAST WITH GUSTS TO AROUND 25 KNOTS EARLY IN THE
MORNING. CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
TUESDAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS EARLY IN THE AFTERNOON, THEN INCREASING TO
25 KNOTS LATE IN THE AFTERNOON. SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WAVES 1 TO 3 FEET.
LSZ142-071600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
341 AM CDT MON SEP 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. PATCHY FOG EARLY IN THE MORNING. PATCHY FOG
EARLY IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN
THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH WITH GUSTS TO AROUND 20 KNOTS EARLY IN
THE MORNING. CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS IN THE MORNING. SLIGHT CHANCE OF SHOWERS
IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND EARLY
MORNING, THEN INCREASING TO 25 KNOTS EARLY IN THE MORNING. MOSTLY
CLOUDY IN THE EVENING THEN CLEARING. WAVES 1 TO 2 FEET.
LSZ143-071600-
SILVER BAY HARBOR TO TWO HARBORS MN-
341 AM CDT MON SEP 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. PATCHY FOG EARLY IN THE MORNING. PATCHY FOG IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH WITH GUSTS TO AROUND 20 KNOTS EARLY IN
THE MORNING. CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
1 TO 2 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND EARLY
MORNING, THEN INCREASING TO 25 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.
LSZ144-071600-
TWO HARBORS TO DULUTH MN-
341 AM CDT MON SEP 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. AREAS OF DENSE FOG EARLY IN THE MORNING. SLIGHT
CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS EARLY IN THE MORNING. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
SHOWERS AND CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
TUESDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS LATE IN
THE AFTERNOON. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
1 TO 3 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO 3 FEET.
LSZ145-071600-
DULUTH MN TO PORT WING WI-
341 AM CDT MON SEP 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. PATCHY FOG EARLY IN THE MORNING. SLIGHT CHANCE
OF RAIN SHOWERS LATE IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTH 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER
MIDNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SHOWERS AND CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
MORNING. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET EARLY IN THE MORNING.
LSZ146-071600-
PORT WING TO SAND ISLAND WI-
341 AM CDT MON SEP 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...
TODAY
EAST WIND 5 TO 10 KNOTS. PATCHY FOG EARLY IN THE
MORNING. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH WITH GUSTS TO
AROUND 20 KNOTS EARLY IN THE MORNING. CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS AND CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
MORNING. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING TO
1 TO 3 FEET EARLY IN THE MORNING.
LSZ147-071600-
SAND ISLAND TO BAYFIELD WI-
341 AM CDT MON SEP 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
PATCHY FOG EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH WITH GUSTS TO
AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 30 KNOTS. PARTLY CLOUDY. WAVES 1 TO
3 FEET.
LSZ150-071600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
341 AM CDT MON SEP 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
PATCHY FOG EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
SOUTH WIND 10 TO 15 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. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES
1 TO 3 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET EARLY IN THE
MORNING.
LSZ121-071600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
341 AM CDT MON SEP 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...
TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. PATCHY FOG EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ148-071600-
OAK POINT TO SAXON HARBOR WI-
341 AM CDT MON SEP 7 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...
TODAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
PATCHY FOG EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 20 KNOTS. PARTLY CLOUDY. WAVES 1 TO
2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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