693
FZUS53 KDLH 240839
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
239 AM CST WED DEC 24 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.
LSZ140-241700-
GRAND PORTAGE TO GRAND MARAIS MN-
239 AM CST WED DEC 24 2025
TODAY
SOUTH WIND 5 TO 10 KNOTS BECOMING WEST IN THE AFTERNOON.
CHANCE OF FLURRIES IN THE MORNING. WAVES 1 TO 2 FEET.
TONIGHT
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS.
PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING EAST WITH GUSTS TO AROUND 25 KNOTS LATE IN THE
AFTERNOON. 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.
THURSDAY NIGHT
SOUTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. SNOW. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ141-241700-
GRAND MARAIS TO TACONITE HARBOR MN-
239 AM CST WED DEC 24 2025
TODAY
SOUTH WIND 5 TO 10 KNOTS BECOMING WEST IN THE AFTERNOON.
CHANCE OF FLURRIES EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT
OR LESS.
THURSDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES THROUGH THE DAY. WAVES 1 TO 2 FEET
BUILDING TO 3 TO 5 FEET IN THE AFTERNOON. WAVES OCCASIONALLY TO
7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY NIGHT
SOUTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF LIGHT SLEET IN THE EVENING. SNOW THROUGH THE NIGHT.
WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
LSZ142-241700-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
239 AM CST WED DEC 24 2025
TODAY
SOUTH WIND 5 KNOTS BECOMING WEST IN THE AFTERNOON.
MOSTLY CLOUDY UNTIL LATE AFTERNOON THEN BECOMING MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST EARLY IN
THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES THROUGH THE DAY. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 5 FEET IN THE AFTERNOON. WAVES OCCASIONALLY TO
7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY NIGHT
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS EASING TO 5 TO 10 KNOTS EARLY IN THE MORNING.
SNOW LIKELY AND SLIGHT CHANCE OF LIGHT SLEET IN THE EVENING, THEN
SNOW AND SLIGHT CHANCE OF LIGHT FREEZING RAIN AFTER MIDNIGHT.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
LSZ143-241700-
SILVER BAY HARBOR TO TWO HARBORS MN-
239 AM CST WED DEC 24 2025
TODAY
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE AFTERNOON.
PARTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS IN THE
LATE MORNING AND AFTERNOON. CHANCE OF FLURRIES THROUGH THE DAY.
SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE IN THE AFTERNOON. WAVES
1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN THE LATE MORNING AND
AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. SNOW
LIKELY IN THE EVENING. SLIGHT CHANCE OF LIGHT SLEET THROUGH THE
NIGHT. SNOW AFTER MIDNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 FEET EARLY IN THE MORNING. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
LSZ144-241700-
TWO HARBORS TO DULUTH MN-
239 AM CST WED DEC 24 2025
TODAY
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE AFTERNOON.
MOSTLY CLOUDY UNTIL LATE AFTERNOON THEN BECOMING MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF LIGHT FREEZING DRIZZLE AND FLURRIES IN THE
AFTERNOON. WAVES 3 TO 5 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
THURSDAY NIGHT
EAST WIND 15 TO 20 KNOTS BECOMING SOUTHEAST
5 TO 10 KNOTS AFTER MIDNIGHT. SNOW, LIGHT FREEZING DRIZZLE
LIKELY, CHANCE OF LIGHT SLEET AND LIGHT FREEZING RAIN LIKELY IN
THE EVENING, THEN SNOW, SLIGHT CHANCE OF LIGHT FREEZING RAIN AND
LIGHT SLEET AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET AFTER MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ145-241700-
DULUTH MN TO PORT WING WI-
239 AM CST WED DEC 24 2025
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
THURSDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES AND LIGHT FREEZING DRIZZLE IN THE
AFTERNOON. WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
THURSDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. SNOW, LIGHT FREEZING DRIZZLE LIKELY AND
CHANCE OF LIGHT SLEET IN THE EVENING, THEN SNOW, SLIGHT CHANCE OF
LIGHT FREEZING RAIN AND LIGHT SLEET AFTER MIDNIGHT. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND
OVERNIGHT.
LSZ146-241700-
PORT WING TO SAND ISLAND WI-
239 AM CST WED DEC 24 2025
TODAY
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE AFTERNOON.
PARTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 1 TO 3 FEET.
THURSDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES AND LIGHT FREEZING DRIZZLE IN THE
AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE
MORNING AND AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. SNOW LIKELY IN THE EVENING. SLIGHT
CHANCE OF LIGHT SLEET THROUGH THE NIGHT. SNOW AFTER MIDNIGHT.
WAVES 1 TO 3 FEET.
LSZ147-241700-
SAND ISLAND TO BAYFIELD WI-
239 AM CST WED DEC 24 2025
TODAY
SOUTH WIND 5 KNOTS BECOMING WEST IN THE AFTERNOON.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
20 KNOTS LATE IN THE AFTERNOON. CHANCE OF FLURRIES IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
THURSDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. SNOW
LIKELY IN THE EVENING, THEN SNOW AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
LSZ150-241700-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
239 AM CST WED DEC 24 2025
TODAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
THURSDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF FLURRIES IN THE AFTERNOON. WAVES 3 TO 5 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
THURSDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. SNOW LIKELY IN THE EVENING, THEN SNOW AFTER MIDNIGHT.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET EARLY IN THE MORNING.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ121-241700-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
239 AM CST WED DEC 24 2025
TODAY
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH LATE IN THE
EVENING, THEN BECOMING NORTHEAST 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS UNTIL
LATE AFTERNOON. CHANCE OF FLURRIES AND SLIGHT CHANCE OF LIGHT
FREEZING DRIZZLE IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. CHANCE OF SNOW IN
THE EVENING. SLIGHT CHANCE OF LIGHT SLEET THROUGH THE NIGHT. SNOW
LIKELY AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ148-241700-
OAK POINT TO SAXON HARBOR WI-
239 AM CST WED DEC 24 2025
TODAY
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH LATE IN THE EVENING,
THEN BECOMING NORTHEAST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
EARLY IN THE MORNING.
THURSDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF FLURRIES AND SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE IN THE
AFTERNOON. WAVES 2 TO 4 FEET.
THURSDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING SOUTH
5 TO 10 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW IN THE
EVENING, THEN SNOW LIKELY AND SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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