355
FZUS53 KDLH 082201
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
501 PM CDT TUE SEP 8 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.
LSZ140-090400-
GRAND PORTAGE TO GRAND MARAIS MN-
501 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 3 TO 5 FEET.
WEDNESDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
30 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET. A
GALE WARNING MAY BE NEEDED.
WEDNESDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET.
LSZ141-090400-
GRAND MARAIS TO TACONITE HARBOR MN-
501 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS RISING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
AFTER MIDNIGHT. MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WAVES 1 TO 3 FEET.
WEDNESDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 2 TO
4 FEET.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST WITH GUSTS
TO AROUND 20 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-090400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
501 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. WAVES
1 TO 2 FEET.
WEDNESDAY
WEST 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. CHANCE OF
SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH WITH GUSTS TO AROUND
20 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-090400-
SILVER BAY HARBOR TO TWO HARBORS MN-
501 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. WAVES
1 TO 2 FEET.
WEDNESDAY
WEST 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. CHANCE OF
SPRINKLES IN THE AFTERNOON. WAVES 1 TO 3 FEET.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH WITH GUSTS TO AROUND
20 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-090400-
TWO HARBORS TO DULUTH MN-
501 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST 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. SUNNY. WAVES
1 TO 2 FEET BUILDING TO 1 TO 3 FEET IN THE LATE MORNING AND
AFTERNOON.
WEDNESDAY NIGHT
WEST 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.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-090400-
DULUTH MN TO PORT WING WI-
501 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS LATE IN THE NIGHT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. WAVES 1 TO
2 FEET.
WEDNESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
25 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET BUILDING
TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
WEDNESDAY NIGHT
WEST 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.
THURSDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-090400-
PORT WING TO SAND ISLAND WI-
501 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY
CLOUDY EARLY IN THE EVENING THEN CLEARING. WAVES 1 TO 3 FEET.
WEDNESDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 2 TO 4 FEET.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-090400-
SAND ISLAND TO BAYFIELD WI-
501 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST WITH GUSTS TO AROUND 25 KNOTS AFTER
MIDNIGHT. MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. WAVES
1 TO 2 FEET.
WEDNESDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-090400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
501 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY EARLY IN THE EVENING THEN
CLEARING. WAVES 1 TO 3 FEET.
WEDNESDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SPRINKLES IN THE AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY
TO 7 FEET. A GALE WARNING MAY BE NEEDED.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. MOSTLY CLEAR. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE EVENING AND OVERNIGHT.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-090400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
501 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS LATE IN THE NIGHT. MOSTLY CLOUDY EARLY IN THE EVENING
THEN CLEARING. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 30 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-090400-
OAK POINT TO SAXON HARBOR WI-
501 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS LATE IN THE NIGHT. MOSTLY CLOUDY EARLY IN THE EVENING
THEN BECOMING PARTLY CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
WEDNESDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN
THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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