512
FZUS53 KDLH 250849
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
249 AM CST THU DEC 25 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.
LSZ140-251700-
GRAND PORTAGE TO GRAND MARAIS MN-
249 AM CST THU DEC 25 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING
TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING EAST WITH GUSTS TO AROUND 30 KNOTS LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SNOW LATE IN THE MORNING. CHANCE OF
SNOW IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET
IN THE AFTERNOON.
TONIGHT
SOUTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS EARLY IN THE MORNING. SNOW LIKELY IN THE
EVENING, THEN SNOW AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET.
FRIDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHWEST 5 TO 10 KNOTS LATE IN THE MORNING, THEN
BECOMING WEST IN THE AFTERNOON. CHANCE OF SNOW IN THE MORNING.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
FRIDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. CLOUDY. WAVES 1 TO 2 FEET.
LSZ141-251700-
GRAND MARAIS TO TACONITE HARBOR MN-
249 AM CST THU DEC 25 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING
TODAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING EAST 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS LATE
IN THE AFTERNOON. CHANCE OF FLURRIES EARLY IN THE MORNING. SLIGHT
CHANCE OF SNOW EARLY IN THE AFTERNOON, THEN CHANCE OF SNOW LATE
IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN
THE AFTERNOON. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING SOUTH 5 TO 10 KNOTS EARLY IN THE MORNING. SNOW
LIKELY IN THE EVENING, THEN SNOW AND SLIGHT CHANCE OF LIGHT SLEET
AFTER MIDNIGHT. WAVES 4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET EARLY
IN THE MORNING. WAVES OCCASIONALLY TO 7 FEET.
FRIDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING WEST IN THE LATE
MORNING AND AFTERNOON. CHANCE OF SNOW IN THE MORNING. WAVES 1 TO
3 FEET.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING SOUTH AFTER MIDNIGHT.
CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-251700-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
249 AM CST THU DEC 25 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM CST THIS MORNING
THROUGH THIS EVENING...
TODAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
SLIGHT CHANCE OF SNOW EARLY IN THE AFTERNOON. CHANCE OF SNOW LATE
IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET IN
THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTH 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS AFTER MIDNIGHT. SNOW LIKELY IN THE EVENING. SLIGHT
CHANCE OF LIGHT SLEET THROUGH THE NIGHT. SNOW AND SLIGHT CHANCE
OF LIGHT FREEZING RAIN AFTER MIDNIGHT. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING. WAVES OCCASIONALLY
TO 7 FEET.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST IN THE LATE
MORNING AND AFTERNOON. CHANCE OF SNOW AND LIGHT FREEZING RAIN IN
THE MORNING. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING SOUTH AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ143-251700-
SILVER BAY HARBOR TO TWO HARBORS MN-
249 AM CST THU DEC 25 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM CST THIS MORNING
THROUGH THIS EVENING...
TODAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
SLIGHT CHANCE OF SNOW EARLY IN THE AFTERNOON. CHANCE OF SNOW LATE
IN THE AFTERNOON. WAVES 3 TO 5 FEET.
TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH 5 KNOTS EARLY IN THE MORNING. LIGHT
FREEZING DRIZZLE LIKELY, CHANCE OF SNOW AND LIGHT SLEET IN THE
EVENING, THEN SNOW, LIGHT SLEET AND LIGHT FREEZING RAIN AFTER
MIDNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST IN THE LATE
MORNING AND AFTERNOON. CHANCE OF SNOW AND LIGHT FREEZING RAIN IN
THE MORNING. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING SOUTH AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ144-251700-
TWO HARBORS TO DULUTH MN-
249 AM CST THU DEC 25 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM CST THIS MORNING
THROUGH THIS EVENING...
TODAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
CHANCE OF LIGHT SLEET, SLIGHT CHANCE OF LIGHT FREEZING RAIN AND
SNOW LATE IN THE AFTERNOON. WAVES 2 TO 4 FEET.
TONIGHT
SOUTHEAST WIND 15 TO 20 KNOTS BECOMING SOUTH 5 TO
10 KNOTS AFTER MIDNIGHT. LIGHT FREEZING DRIZZLE AND LIGHT SLEET
LIKELY IN THE EVENING, THEN LIGHT SLEET, RAIN AND SNOW WITH LIGHT
FREEZING RAIN LIKELY AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 2 FEET AFTER MIDNIGHT.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST IN THE LATE
MORNING AND AFTERNOON. CHANCE OF RAIN, LIGHT FREEZING RAIN AND
SNOW IN THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. CLOUDY. WAVES 1 FOOT OR LESS.
LSZ145-251700-
DULUTH MN TO PORT WING WI-
249 AM CST THU DEC 25 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM CST THIS MORNING
THROUGH THIS AFTERNOON...
TODAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
CHANCE OF LIGHT FREEZING RAIN LATE IN THE AFTERNOON. WAVES 2 TO
4 FEET.
TONIGHT
SOUTHEAST WIND 15 TO 20 KNOTS BECOMING SOUTH 5 TO
10 KNOTS AFTER MIDNIGHT. CHANCE OF LIGHT FREEZING DRIZZLE AND
LIGHT SLEET IN THE EVENING, THEN LIGHT SLEET LIKELY, SNOW WITH
RAIN AND LIGHT FREEZING RAIN LIKELY AFTER MIDNIGHT. WAVES 1 TO
3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND
OVERNIGHT.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST IN THE LATE
MORNING AND AFTERNOON. CHANCE OF RAIN, LIGHT FREEZING RAIN AND
SNOW IN THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. CLOUDY. WAVES 1 FOOT OR LESS.
LSZ146-251700-
PORT WING TO SAND ISLAND WI-
249 AM CST THU DEC 25 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM CST THIS MORNING
THROUGH THIS AFTERNOON...
TODAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
CHANCE OF SNOW AND LIGHT FREEZING RAIN LATE IN THE AFTERNOON.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND
AFTERNOON.
TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH 5 KNOTS EARLY IN THE MORNING. CHANCE OF
LIGHT FREEZING DRIZZLE, SNOW AND LIGHT SLEET IN THE EVENING, THEN
SNOW, LIGHT SLEET AND SLIGHT CHANCE OF LIGHT FREEZING RAIN AFTER
MIDNIGHT. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
FRIDAY
SOUTH WIND 5 KNOTS BECOMING WEST IN THE LATE MORNING
AND AFTERNOON. CHANCE OF SNOW, RAIN AND LIGHT FREEZING RAIN IN
THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. CLOUDY. WAVES 1 FOOT OR LESS.
LSZ147-251700-
SAND ISLAND TO BAYFIELD WI-
249 AM CST THU DEC 25 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM CST THIS MORNING
THROUGH THIS AFTERNOON...
TODAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
CHANCE OF SNOW LATE IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH 5 TO 10 KNOTS EARLY IN THE MORNING.
CHANCE OF SNOW, LIGHT FREEZING DRIZZLE AND LIGHT SLEET IN THE
EVENING, THEN SNOW, SLIGHT CHANCE OF LIGHT FREEZING RAIN AND
LIGHT SLEET AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
SOUTH WIND 5 KNOTS BECOMING WEST IN THE LATE MORNING
AND AFTERNOON. CHANCE OF RAIN AND SNOW IN THE MORNING. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ150-251700-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
249 AM CST THU DEC 25 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM CST THIS MORNING
THROUGH THIS EVENING...
TODAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
BECOMING SOUTHEAST WITH GUSTS TO AROUND 30 KNOTS LATE IN THE
AFTERNOON. CHANCE OF SNOW LATE IN THE AFTERNOON. WAVES 3 TO
5 FEET.
TONIGHT
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTH 5 TO 10 KNOTS EARLY IN THE MORNING.
CHANCE OF SNOW AND LIGHT FREEZING DRIZZLE IN THE EVENING, THEN
SNOW, RAIN, SLIGHT CHANCE OF LIGHT FREEZING RAIN AND LIGHT SLEET
AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN THE
AFTERNOON. CHANCE OF RAIN AND SNOW IN THE MORNING. WAVES 1 FOOT
OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ121-251700-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
249 AM CST THU DEC 25 2025
TODAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
SLIGHT CHANCE OF SNOW LATE IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. CHANCE OF LIGHT FREEZING DRIZZLE, LIGHT SLEET AND SNOW
IN THE EVENING, THEN LIGHT FREEZING RAIN, SNOW AND LIGHT SLEET
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST IN THE AFTERNOON.
CHANCE OF RAIN AND SNOW IN THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ148-251700-
OAK POINT TO SAXON HARBOR WI-
249 AM CST THU DEC 25 2025
TODAY
EAST WIND 15 TO 20 KNOTS. SLIGHT CHANCE OF SNOW LATE IN
THE AFTERNOON. WAVES 2 TO 4 FEET.
TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH WITH GUSTS TO AROUND 20 KNOTS AFTER
MIDNIGHT. CHANCE OF SNOW, LIGHT FREEZING DRIZZLE AND LIGHT SLEET
IN THE EVENING, THEN SNOW, RAIN, LIGHT SLEET AND LIGHT FREEZING
RAIN AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST IN THE AFTERNOON.
CHANCE OF RAIN AND SNOW IN THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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