454
FZUS53 KDLH 081835
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
135 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.
LSZ140-082200-
GRAND PORTAGE TO GRAND MARAIS MN-
135 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
REST OF TODAY
SOUTH WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO
7 FEET.
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 3 TO 5 FEET
SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
LSZ141-082200-
GRAND MARAIS TO TACONITE HARBOR MN-
135 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS. PATCHY FOG EARLY IN
THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN CLEARING. WAVES 1 TO
2 FEET BUILDING TO 1 TO 3 FEET EARLY IN THE MORNING.
WEDNESDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 3 TO
5 FEET.
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.
LSZ142-082200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
135 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE. CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. 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 EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 1 TO
3 FEET IN THE LATE MORNING AND AFTERNOON.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ143-082200-
SILVER BAY HARBOR TO TWO HARBORS MN-
135 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. 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 EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SPRINKLES IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET IN THE LATE MORNING AND AFTERNOON.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ144-082200-
TWO HARBORS TO DULUTH MN-
135 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TODAY
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST
LATE. GUSTS UP TO 20 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 KNOTS RISING TO 10 TO 15 KNOTS IN
THE LATE EVENING AND OVERNIGHT. GUSTS UP TO 20 KNOTS. MOSTLY
CLEAR. 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 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.
LSZ145-082200-
DULUTH MN TO PORT WING WI-
135 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 10 KNOTS
LATE. GUSTS UP TO 20 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. 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 2 TO 4 FEET.
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 3 FEET.
LSZ146-082200-
PORT WING TO SAND ISLAND WI-
135 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY
CLOUDY. WAVES 1 TO 3 FEET.
WEDNESDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 3 TO 5 FEET.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ147-082200-
SAND ISLAND TO BAYFIELD WI-
135 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY 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 3 TO 5 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 SUBSIDING TO 1 TO
2 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ150-082200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
135 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
REST OF TODAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
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 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 8 FEET. A GALE WARNING MAY BE NEEDED.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. MOSTLY CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ121-082200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
135 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
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 EARLY IN THE MORNING. MOSTLY CLOUDY IN THE EVENING THEN
CLEARING. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 30 KNOTS. SUNNY. WAVES 1 TO 3 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 TO 2 FEET.
LSZ148-082200-
OAK POINT TO SAXON HARBOR WI-
135 PM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
REST OF TODAY
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
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 EARLY IN THE MORNING. MOSTLY CLOUDY 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 AFTERNOON. SUNNY.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
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
SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND OVERNIGHT.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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