872
FZUS53 KDLH 141023
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
423 AM CST SUN DEC 14 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.
LSZ140-141700-
GRAND PORTAGE TO GRAND MARAIS MN-
423 AM CST SUN DEC 14 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...
TODAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY UNTIL LATE AFTERNOON
THEN BECOMING CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET
LATE IN THE AFTERNOON.
TONIGHT
SOUTHWEST WIND UP TO 30 KNOTS BECOMING WEST 15 TO
20 KNOTS EARLY IN THE MORNING. GUSTS UP TO 30 KNOTS INCREASING TO
40 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN DECREASING
TO 30 KNOTS EARLY IN THE MORNING. FREEZING SPRAY THROUGH THE
NIGHT. CHANCE OF SNOW THROUGH THE NIGHT. WAVES 4 TO 6 FEET
BUILDING TO 7 TO 10 FEET IN THE LATE EVENING AND OVERNIGHT. WAVES
OCCASIONALLY TO 13 FEET. A GALE WARNING MAY BE NEEDED.
MONDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. PARTLY SUNNY. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO
3 FEET. WAVES OCCASIONALLY TO 8 FEET. A SMALL CRAFT ADVISORY MAY
BE NEEDED.
MONDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT, THEN RISING TO 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING.
LSZ141-141700-
GRAND MARAIS TO TACONITE HARBOR MN-
423 AM CST SUN DEC 14 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...
TODAY
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 UNTIL LATE AFTERNOON THEN
BECOMING CLOUDY. WAVES 1 FOOT OR LESS BUILDING TO 1 TO 3 FEET
LATE IN THE AFTERNOON.
TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS AFTER MIDNIGHT, THEN DECREASING TO
25 KNOTS EARLY IN THE MORNING. FREEZING SPRAY THROUGH THE NIGHT.
SLIGHT CHANCE OF SNOW THROUGH THE NIGHT. WAVES 5 TO 8 FEET. WAVES
OCCASIONALLY TO 10 FEET. A GALE WARNING MAY BE NEEDED.
MONDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. PARTLY SUNNY. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
MONDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
LSZ142-141700-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
423 AM CST SUN DEC 14 2025
TODAY
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 UNTIL LATE AFTERNOON THEN
BECOMING CLOUDY. WAVES 1 TO 3 FEET.
TONIGHT
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. FREEZING SPRAY
AFTER MIDNIGHT. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY
BE NEEDED.
MONDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. PARTLY SUNNY. WAVES 1 TO 3 FEET SUBSIDING
TO 1 TO 2 FEET IN THE LATE MORNING AND AFTERNOON.
MONDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST WITH
GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ143-141700-
SILVER BAY HARBOR TO TWO HARBORS MN-
423 AM CST SUN DEC 14 2025
TODAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY UNTIL LATE AFTERNOON THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 2 FEET BUILDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
TONIGHT
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 25 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.
MONDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST 5 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING
AND AFTERNOON.
MONDAY NIGHT
WEST WIND 5 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
LSZ144-141700-
TWO HARBORS TO DULUTH MN-
423 AM CST SUN DEC 14 2025
TODAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY UNTIL LATE AFTERNOON THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 2 FEET BUILDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
TONIGHT
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 25 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.
MONDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE MORNING. PARTLY SUNNY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
WEST WIND 5 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
LSZ145-141700-
DULUTH MN TO PORT WING WI-
423 AM CST SUN DEC 14 2025
TODAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY UNTIL LATE AFTERNOON THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 3 FEET.
TONIGHT
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
7 FEET. A GALE WARNING MAY BE NEEDED.
MONDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE MORNING. PARTLY SUNNY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE MORNING AND AFTERNOON.
MONDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
LSZ146-141700-
PORT WING TO SAND ISLAND WI-
423 AM CST SUN DEC 14 2025
TODAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. MOSTLY
CLOUDY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET LATE IN THE
AFTERNOON.
TONIGHT
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 7 FEET. WAVES OCCASIONALLY TO
9 FEET. A GALE WARNING MAY BE NEEDED.
MONDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. PARTLY
SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE
MORNING AND AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
MONDAY NIGHT
WEST WIND 5 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
LSZ147-141700-
SAND ISLAND TO BAYFIELD WI-
423 AM CST SUN DEC 14 2025
TODAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING WEST LATE IN THE
MORNING, THEN BECOMING SOUTHWEST WITH GUSTS TO AROUND 25 KNOTS IN
THE AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
TONIGHT
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 AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
MONDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. PARTLY
SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE
MORNING AND AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
MONDAY NIGHT
WEST WIND 5 KNOTS BECOMING SOUTHWEST WITH GUSTS
TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
LSZ150-141700-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
423 AM CST SUN DEC 14 2025
TODAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE AFTERNOON. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE
MORNING AND EARLY AFTERNOON, THEN BUILDING TO 2 TO 4 FEET LATE IN
THE AFTERNOON.
TONIGHT
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. SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO
9 FEET. A GALE WARNING MAY BE NEEDED.
MONDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHWEST 5 TO 10 KNOTS LATE IN THE AFTERNOON. MOSTLY
CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET IN THE
AFTERNOON. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
MONDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
LSZ121-141700-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
423 AM CST SUN DEC 14 2025
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
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. CLOUDY. WAVES
1 TO 2 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EASING TO 5 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 KNOTS RISING TO 5 TO 10 KNOTS
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ148-141700-
OAK POINT TO SAXON HARBOR WI-
423 AM CST SUN DEC 14 2025
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLOUDY.
WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE LATE EVENING AND
OVERNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
MONDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 TO 10 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES
1 TO 3 FEET.
MONDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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