221
FZUS53 KDLH 081000
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
500 AM 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.
LSZ140-081600-
GRAND PORTAGE TO GRAND MARAIS MN-
500 AM CDT TUE SEP 8 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TODAY
SOUTH WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE
MORNING. RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN CHANCE OF SPRINKLES IN THE AFTERNOON. WAVES 4 TO
7 FEET SUBSIDING TO 2 TO 4 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 9 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN CLEARING. WAVES 3 TO
5 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
WEDNESDAY
WEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS. MOSTLY SUNNY. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO
9 FEET. A GALE WARNING MAY BE NEEDED.
WEDNESDAY NIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. MOSTLY CLEAR. WAVES 3 TO 5 FEET SUBSIDING
TO 1 TO 2 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY TO 7 FEET. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ141-081600-
GRAND MARAIS TO TACONITE HARBOR MN-
500 AM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TODAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE
MORNING. RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN CHANCE OF SPRINKLES AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS AFTER MIDNIGHT. GUSTS UP TO 25 KNOTS. 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 AFTERNOON. SUNNY.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET. A GALE WARNING
MAY BE NEEDED.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO
30 KNOTS. MOSTLY CLEAR. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ142-081600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
500 AM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TODAY
SOUTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
PATCHY FOG EARLY IN THE MORNING. SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING, THEN CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE MORNING. CHANCE OF
SPRINKLES IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 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. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
30 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET BUILDING
TO 1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON. A GALE WARNING
MAY BE NEEDED.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ143-081600-
SILVER BAY HARBOR TO TWO HARBORS MN-
500 AM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TODAY
SOUTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
PATCHY FOG EARLY IN THE MORNING. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS IN THE MORNING. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. 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 WITH GUSTS TO AROUND
30 KNOTS. SUNNY. 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 25 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ144-081600-
TWO HARBORS TO DULUTH MN-
500 AM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TODAY
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. GUSTS UP TO 20 KNOTS. PATCHY FOG EARLY IN THE MORNING.
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS EARLY IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE LATE MORNING AND EARLY AFTERNOON. CHANCE OF SPRINKLES LATE IN
THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
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 AFTERNOON. SUNNY.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND
AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ145-081600-
DULUTH MN TO PORT WING WI-
500 AM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TODAY
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
PATCHY FOG EARLY IN THE MORNING. SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY 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 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
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.
LSZ146-081600-
PORT WING TO SAND ISLAND WI-
500 AM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TODAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY
FOG EARLY IN THE MORNING. SHOWERS AND CHANCE OF THUNDERSTORMS IN
THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 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. SUNNY. WAVES
4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET. A GALE WARNING MAY BE
NEEDED.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN
THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ147-081600-
SAND ISLAND TO BAYFIELD WI-
500 AM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TODAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
PATCHY FOG EARLY IN THE MORNING. SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF SPRINKLES AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY IN THE EVENING THEN
CLEARING. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 15 TO 20 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. SUNNY. 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 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ150-081600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
500 AM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TODAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
25 KNOTS LATE IN THE AFTERNOON. SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF SPRINKLES IN THE
AFTERNOON. 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 WITH GALES TO AROUND
35 KNOTS. SUNNY. WAVES 2 TO 4 FEET BUILDING TO 4 TO 7 FEET IN THE
LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY TO 9 FEET. A GALE
WARNING MAY BE NEEDED.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
LSZ121-081600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
500 AM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TODAY
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
SHOWERS AND CHANCE OF THUNDERSTORMS IN THE MORNING, THEN CHANCE
OF SPRINKLES IN THE AFTERNOON. 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 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 1 TO 3 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
LSZ148-081600-
OAK POINT TO SAXON HARBOR WI-
500 AM CDT TUE SEP 8 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...
TODAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. SHOWERS
AND CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SLIGHT CHANCE OF
SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 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 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS. SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE
LATE MORNING AND AFTERNOON. A GALE WARNING 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 2 TO 4 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page