037
FZUS53 KDLH 231953
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
153 PM CST TUE DEC 23 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.
LSZ140-232300-
GRAND PORTAGE TO GRAND MARAIS MN-
153 PM CST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
REST OF TODAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS LATE. SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHEAST 5 KNOTS AFTER MIDNIGHT, THEN BECOMING
SOUTHEAST EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. CHANCE OF SNOW IN THE MORNING. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
LSZ141-232300-
GRAND MARAIS TO TACONITE HARBOR MN-
153 PM CST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
REST OF TODAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 30 KNOTS LATE. SUNNY. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET LATE.
TONIGHT
NORTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHEAST EARLY IN THE MORNING. CHANCE OF FLURRIES AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-232300-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
153 PM CST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
REST OF TODAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS LATE. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EARLY IN THE EVENING BECOMING VARIABLE 10 KNOTS OR LESS, THEN
BECOMING NORTHEAST 5 KNOTS AFTER MIDNIGHT BECOMING SOUTH. CHANCE
OF FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
NORTH WIND 5 KNOTS BECOMING NORTHEAST EARLY IN
THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ143-232300-
SILVER BAY HARBOR TO TWO HARBORS MN-
153 PM CST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON
REST OF TODAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS LATE. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTHEAST EARLY IN THE
MORNING. CHANCE OF FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING WEST IN THE AFTERNOON.
CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTH WIND 5 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
LSZ144-232300-
TWO HARBORS TO DULUTH MN-
153 PM CST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON
REST OF TODAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS LATE. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST AFTER
MIDNIGHT. CHANCE OF FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING WEST IN THE AFTERNOON.
CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTH WIND 5 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ145-232300-
DULUTH MN TO PORT WING WI-
153 PM CST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON
REST OF TODAY
NORTHWEST WIND 15 TO 20 KNOTS. SUNNY. WAVES 1 TO
3 FEET SUBSIDING TO 1 TO 2 FEET LATE.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN
THE EVENING, THEN BECOMING SOUTHEAST AFTER MIDNIGHT. CHANCE OF
FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING WEST IN THE AFTERNOON.
CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
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.
LSZ146-232300-
PORT WING TO SAND ISLAND WI-
153 PM CST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON
REST OF TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE. SUNNY. WAVES 1 TO 3 FEET SUBSIDING
TO 1 TO 2 FEET LATE.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN
THE EVENING, THEN BECOMING SOUTHEAST AFTER MIDNIGHT. CHANCE OF
FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING WEST IN THE AFTERNOON.
CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
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.
LSZ147-232300-
SAND ISLAND TO BAYFIELD WI-
153 PM CST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON
REST OF TODAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH LATE IN THE
EVENING, THEN BECOMING SOUTHEAST AFTER MIDNIGHT BECOMING SOUTH
EARLY IN THE MORNING. CHANCE OF FLURRIES AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING WEST IN THE
AFTERNOON. CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING
NORTHEAST WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ150-232300-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
153 PM CST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON
REST OF TODAY
NORTHWEST WIND 20 TO 25 KNOTS. SUNNY. WAVES 3 TO
5 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN
THE EVENING, THEN BECOMING SOUTHEAST AFTER MIDNIGHT BECOMING
SOUTH EARLY IN THE MORNING. CHANCE OF FLURRIES AFTER MIDNIGHT.
WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
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.
LSZ121-232300-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
153 PM CST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON
REST OF TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTH AFTER MIDNIGHT.
CHANCE OF FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. CHANCE OF FLURRIES THROUGH THE DAY. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTHEAST WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ148-232300-
OAK POINT TO SAXON HARBOR WI-
153 PM CST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON
REST OF TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. CHANCE OF FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON. CHANCE OF FLURRIES
THROUGH THE DAY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND EARLY MORNING, THEN 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.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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