413
FZUS53 KDLH 122333
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
533 PM CST FRI DEC 12 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.
LSZ140-130500-
GRAND PORTAGE TO GRAND MARAIS MN-
533 PM CST FRI DEC 12 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
..GALE WARNING IN EFFECT THROUGH SATURDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. CHANCE OF FLURRIES LATE IN THE NIGHT. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
SATURDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN INCREASING TO 30 KNOTS LATE IN THE AFTERNOON. CHANCE OF
FLURRIES IN THE MORNING. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 30 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 3 FEET. A GALE WARNING MAY BE NEEDED.
SUNDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ141-130500-
GRAND MARAIS TO TACONITE HARBOR MN-
533 PM CST FRI DEC 12 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
..GALE WARNING IN EFFECT THROUGH SATURDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 30 KNOTS. CHANCE OF FLURRIES LATE IN THE NIGHT.
WAVES 1 TO 3 FEET.
SATURDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS EARLY IN THE AFTERNOON, THEN INCREASING TO
30 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS INCREASING TO 35 KNOTS LATE IN THE EVENING, THEN
DECREASING TO 30 KNOTS AFTER MIDNIGHT DECREASING TO 25 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET. A GALE
WARNING MAY BE NEEDED.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-130500-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
533 PM CST FRI DEC 12 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
..GALE WARNING IN EFFECT THROUGH SATURDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. CHANCE OF FLURRIES LATE IN THE NIGHT.
WAVES 1 TO 3 FEET.
SATURDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE MORNING, THEN DECREASING TO
25 KNOTS IN THE AFTERNOON. CHANCE OF FLURRIES. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS IN THE
AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ143-130500-
SILVER BAY HARBOR TO TWO HARBORS MN-
533 PM CST FRI DEC 12 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
..GALE WARNING IN EFFECT THROUGH SATURDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS AFTER MIDNIGHT. CHANCE OF FLURRIES AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
LSZ144-130500-
TWO HARBORS TO DULUTH MN-
533 PM CST FRI DEC 12 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT
TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS AFTER MIDNIGHT. CHANCE OF FLURRIES IN THE
LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
EARLY IN THE MORNING THEN 25 KNOTS IN THE AFTERNOON. CHANCE OF
FLURRIES. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
LSZ145-130500-
DULUTH MN TO PORT WING WI-
533 PM CST FRI DEC 12 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
EARLY IN THE EVENING. CHANCE OF FLURRIES. WAVES 3 TO 5 FEET.
WAVES OCCASIONALLY TO 7 FEET.
SATURDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES. WAVES 2 TO 4 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF FLURRIES. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
SUNDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
LSZ146-130500-
PORT WING TO SAND ISLAND WI-
533 PM CST FRI DEC 12 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM CST
SATURDAY...
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS IN
THE EVENING. SLIGHT CHANCE OF SNOW UNTIL EARLY MORNING, THEN
CHANCE OF SNOW LATE IN THE NIGHT. WAVES 4 TO 6 FEET SUBSIDING TO
2 TO 4 FEET LATE IN THE NIGHT. WAVES OCCASIONALLY TO 8 FEET.
SATURDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SNOW. WAVES 2 TO 4 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF SNOW. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET EARLY IN THE MORNING.
SUNDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. PARTLY
SUNNY. WAVES 1 TO 2 FEET.
LSZ147-130500-
SAND ISLAND TO BAYFIELD WI-
533 PM CST FRI DEC 12 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM CST
SATURDAY...
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
EARLY IN THE EVENING. HEAVY FREEZING SPRAY IN THE EVENING. CHANCE
OF SNOW THROUGH THE NIGHT. WAVES 4 TO 6 FEET SUBSIDING TO 2 TO
4 FEET LATE IN THE NIGHT. WAVES OCCASIONALLY TO 8 FEET.
SATURDAY
NORTHWEST WIND 20 TO 25 KNOTS. CHANCE OF SNOW. WAVES
2 TO 4 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF SNOW. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET EARLY IN THE MORNING.
SUNDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST WITH GUSTS
TO AROUND 20 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO
2 FEET.
LSZ150-130500-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
533 PM CST FRI DEC 12 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM CST
SATURDAY...
TONIGHT
NORTHWEST WIND UP TO 30 KNOTS. HEAVY FREEZING SPRAY.
CHANCE OF SNOW. WAVES 5 TO 8 FEET SUBSIDING TO 4 TO 6 FEET AFTER
MIDNIGHT. WAVES OCCASIONALLY TO 11 FEET.
SATURDAY
NORTHWEST WIND 20 TO 25 KNOTS. HEAVY FREEZING SPRAY
IN THE MORNING. CHANCE OF SNOW THROUGH THE DAY. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 8 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS IN THE EVENING. HEAVY FREEZING SPRAY IN THE EVENING.
CHANCE OF SNOW THROUGH THE NIGHT. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 7 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY
CLOUDY. WAVES 1 TO 3 FEET.
LSZ121-130500-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
533 PM CST FRI DEC 12 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT
TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE
OF SNOW. WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 5 TO 15 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. GUSTS UP TO 25 KNOTS.
CHANCE OF SNOW. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING WEST 5 TO 10 KNOTS EARLY IN THE MORNING.
CHANCE OF SNOW. WAVES 1 FOOT OR LESS.
SUNDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-130500-
OAK POINT TO SAXON HARBOR WI-
533 PM CST FRI DEC 12 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT
TONIGHT
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS EARLY
IN THE EVENING. CHANCE OF SNOW. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET.
SATURDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SNOW. WAVES 2 TO 4 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF SNOW. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET EARLY IN THE MORNING.
SUNDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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