348
FZUS53 KDLH 130713
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
113 AM CST SAT DEC 13 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.
LSZ140-131700-
GRAND PORTAGE TO GRAND MARAIS MN-
113 AM CST SAT DEC 13 2025
..GALE WARNING IN EFFECT UNTIL 8 AM CST THIS MORNING
TODAY
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. CHANCE OF FLURRIES IN THE
MORNING. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY IN THE
EVENING THEN BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET. A GALE
WARNING MAY BE NEEDED.
SUNDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 TO 10 KNOTS EARLY IN THE AFTERNOON, THEN
BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
SOUTHWEST WIND UP TO 30 KNOTS. GUSTS UP TO
30 KNOTS INCREASING TO 40 KNOTS IN THE LATE EVENING AND EARLY
MORNING, THEN DECREASING TO 35 KNOTS EARLY IN THE MORNING.
FREEZING SPRAY THROUGH THE NIGHT. CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. WAVES 3 TO 5 FEET BUILDING TO 7 TO 10 FEET. WAVES
OCCASIONALLY TO 13 FEET. A GALE WARNING MAY BE NEEDED.
LSZ141-131700-
GRAND MARAIS TO TACONITE HARBOR MN-
113 AM CST SAT DEC 13 2025
..GALE WARNING IN EFFECT UNTIL 8 AM CST THIS MORNING
TODAY
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 3 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING 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.
SUNDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 35 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE
NEEDED.
LSZ142-131700-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
113 AM CST SAT DEC 13 2025
..GALE WARNING IN EFFECT UNTIL 8 AM CST THIS MORNING
TODAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE MORNING, THEN DECREASING TO
25 KNOTS EARLY IN THE AFTERNOON INCREASING TO 30 KNOTS LATE IN
THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. 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.
SUNDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
1 TO 2 FEET BUILDING TO 3 TO 5 FEET IN THE LATE EVENING AND
OVERNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ143-131700-
SILVER BAY HARBOR TO TWO HARBORS MN-
113 AM CST SAT DEC 13 2025
..GALE WARNING IN EFFECT UNTIL 8 AM CST THIS MORNING
TODAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. 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.
SUNDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 35 KNOTS IN THE LATE EVENING AND EARLY
MORNING, THEN DECREASING TO 30 KNOTS EARLY IN THE MORNING. HEAVY
FREEZING SPRAY AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE NEEDED.
LSZ144-131700-
TWO HARBORS TO DULUTH MN-
113 AM CST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS IN
THE MORNING THEN 25 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.
WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES
1 TO 2 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.
SUNDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 35 KNOTS IN THE LATE EVENING AND EARLY
MORNING, THEN DECREASING TO 30 KNOTS EARLY IN THE MORNING. MOSTLY
CLOUDY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET. A GALE
WARNING MAY BE NEEDED.
LSZ145-131700-
DULUTH MN TO PORT WING WI-
113 AM CST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES. WAVES 2 TO 4 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF FLURRIES IN THE EVENING. 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.
SUNDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
25 KNOTS INCREASING 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 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE NEEDED.
LSZ146-131700-
PORT WING TO SAND ISLAND WI-
113 AM CST SAT DEC 13 2025
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM CST EARLY
THIS MORNING...
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SNOW SHOWERS IN THE MORNING, THEN SLIGHT
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY TO 7 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF SNOW SHOWERS THROUGH THE NIGHT. 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. PARTLY
SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS LATE IN THE EVENING, THEN
INCREASING TO 35 KNOTS AFTER MIDNIGHT DECREASING TO 30 KNOTS
EARLY IN THE MORNING. HEAVY FREEZING SPRAY AFTER MIDNIGHT. WAVES
4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE
NEEDED.
LSZ147-131700-
SAND ISLAND TO BAYFIELD WI-
113 AM CST SAT DEC 13 2025
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM CST EARLY
THIS MORNING...
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHWEST WIND 20 TO 25 KNOTS. CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS EASING TO 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. CHANCE OF
SNOW SHOWERS IN THE EVENING, THEN SLIGHT CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. 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. SLIGHT
CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS IN THE LATE EVENING AND EARLY
MORNING, THEN DECREASING TO 25 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING
TO 2 TO 4 FEET AFTER MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
LSZ150-131700-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
113 AM CST SAT DEC 13 2025
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM CST EARLY
THIS MORNING...
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. HEAVY FREEZING SPRAY. CHANCE OF SNOW SHOWERS. WAVES
4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.
WAVES OCCASIONALLY TO 7 FEET.
SUNDAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING WEST LATE IN THE
MORNING, THEN BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS IN
THE AFTERNOON. SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING.
WAVES 1 TO 2 FEET.
SUNDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN THE LATE EVENING AND
OVERNIGHT. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
LSZ121-131700-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
113 AM CST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SNOW SHOWERS. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SNOW SHOWERS. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST WITH GUSTS
TO AROUND 20 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
SUNDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 30 KNOTS. MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
LSZ148-131700-
OAK POINT TO SAXON HARBOR WI-
113 AM CST SAT DEC 13 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHWEST WIND 20 TO 25 KNOTS. CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FEET.
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS EASING TO 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. SNOW SHOWERS
LIKELY IN THE EVENING, THEN CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET EARLY IN THE
MORNING.
SUNDAY
WEST WIND 10 TO 15 KNOTS BECOMING SOUTHWEST WITH GUSTS
TO AROUND 20 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET AFTER MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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