339
FZUS53 KDLH 111946
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
146 PM CST THU DEC 11 2025
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.
LSZ140-112300-
GRAND PORTAGE TO GRAND MARAIS MN-
146 PM CST THU DEC 11 2025
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
AFTERNOON...
REST OF TODAY
NORTHWEST WIND 5 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS.
SNOW LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON.
WAVES 1 TO 3 FEET.
FRIDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 30 KNOTS LATE IN THE EVENING, THEN
INCREASING TO 35 KNOTS AFTER MIDNIGHT DECREASING TO 30 KNOTS
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 2 TO 4 FEET. A GALE
WARNING MAY BE NEEDED.
LSZ141-112300-
GRAND MARAIS TO TACONITE HARBOR MN-
146 PM CST THU DEC 11 2025
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
AFTERNOON...
REST OF TODAY
WEST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
FRIDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GALES TO AROUND
35 KNOTS. SNOW LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 3 FEET. A GALE WARNING MAY BE NEEDED.
FRIDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GALES UP TO
40 KNOTS INCREASING TO 45 KNOTS LATE IN THE EVENING, THEN
DECREASING TO 40 KNOTS AFTER MIDNIGHT DECREASING TO 35 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 3 FEET. A GALE
WARNING MAY BE NEEDED.
LSZ142-112300-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
146 PM CST THU DEC 11 2025
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
AFTERNOON...
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
FRIDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS.
SNOW LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
FRIDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GALES UP TO
40 KNOTS INCREASING TO 45 KNOTS LATE IN THE EVENING, THEN
DECREASING TO 40 KNOTS AFTER MIDNIGHT DECREASING TO 30 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 3 FEET. A GALE
WARNING MAY BE NEEDED.
LSZ143-112300-
SILVER BAY HARBOR TO TWO HARBORS MN-
146 PM CST THU DEC 11 2025
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
AFTERNOON...
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF FLURRIES LATE.
WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS. SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS.
SNOW LIKELY IN THE MORNING, THEN SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT. A GALE WARNING MAY BE
NEEDED.
LSZ144-112300-
TWO HARBORS TO DULUTH MN-
146 PM CST THU DEC 11 2025
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF FLURRIES LATE.
WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS.
SNOW LIKELY IN THE MORNING. SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 3 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ145-112300-
DULUTH MN TO PORT WING WI-
146 PM CST THU DEC 11 2025
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF FLURRIES LATE.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS.
SNOW LIKELY IN THE MORNING, THEN SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET IN THE
AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
FRIDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS EARLY IN THE MORNING. HEAVY
FREEZING SPRAY IN THE EVENING. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ146-112300-
PORT WING TO SAND ISLAND WI-
146 PM CST THU DEC 11 2025
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHWEST 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
LATE IN THE AFTERNOON. SNOW LIKELY IN THE MORNING, THEN CHANCE OF
SNOW IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET
IN THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
FRIDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS IN THE EVENING. HEAVY FREEZING SPRAY IN THE EVENING.
WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
LSZ147-112300-
SAND ISLAND TO BAYFIELD WI-
146 PM CST THU DEC 11 2025
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHWEST 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
LATE IN THE AFTERNOON. SNOW LIKELY IN THE MORNING, THEN CHANCE OF
SNOW IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET
IN THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
FRIDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS IN THE EVENING. SLIGHT CHANCE OF SNOW THROUGH THE NIGHT.
WAVES 3 TO 5 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ150-112300-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
146 PM CST THU DEC 11 2025
REST OF TODAY
WEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHWEST 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
LATE IN THE AFTERNOON. CHANCE OF SNOW. WAVES 1 TO 2 FEET BUILDING
TO 2 TO 4 FEET IN THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
FRIDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. CHANCE OF SNOW. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ121-112300-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
146 PM CST THU DEC 11 2025
REST OF TODAY
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST LATE.
PARTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE AFTERNOON. SNOW LIKELY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT
CHANCE OF SNOW. WAVES 1 TO 2 FEET.
LSZ148-112300-
OAK POINT TO SAXON HARBOR WI-
146 PM CST THU DEC 11 2025
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
RISING TO 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS LATE IN
THE AFTERNOON. SNOW LIKELY. WAVES 1 TO 3 FEET BUILDING TO 2 TO
4 FEET LATE IN THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
FRIDAY NIGHT
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS IN
THE EVENING. CHANCE OF SNOW. WAVES 3 TO 5 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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