010
FZUS53 KDLH 150323
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
923 PM 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.
LSZ140-151100-
GRAND PORTAGE TO GRAND MARAIS MN-
923 PM CST SUN DEC 14 2025
..GALE WARNING IN EFFECT UNTIL 3 AM CST MONDAY
REST OF TONIGHT
SOUTHWEST WIND UP TO 30 KNOTS BECOMING WEST
15 TO 20 KNOTS TOWARD DAYBREAK. GUSTS UP TO 35 KNOTS DECREASING
TO 25 KNOTS TOWARD DAYBREAK. FREEZING SPRAY THROUGH THE NIGHT.
CHANCE OF SNOW LATE IN THE EVENING. SNOW LIKELY AFTER MIDNIGHT,
THEN CHANCE OF SNOW TOWARD DAYBREAK. WAVES 7 TO 10 FEET. WAVES
OCCASIONALLY TO 13 FEET.
MONDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. CHANCE OF FLURRIES IN THE MORNING. 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 GALES TO
AROUND 35 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING. A GALE
WARNING MAY BE NEEDED.
TUESDAY
SOUTHWEST WIND UP TO 30 KNOTS WITH GALES TO AROUND
40 KNOTS. MOSTLY CLOUDY. WAVES 5 TO 8 FEET BUILDING TO 8 TO
13 FEET. WAVES OCCASIONALLY TO 17 FEET. A GALE WARNING MAY BE
NEEDED.
LSZ141-151100-
GRAND MARAIS TO TACONITE HARBOR MN-
923 PM CST SUN DEC 14 2025
..GALE WARNING IN EFFECT UNTIL 3 AM CST MONDAY
REST OF TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 25 KNOTS TOWARD DAYBREAK. HEAVY FREEZING
SPRAY THROUGH THE NIGHT. CHANCE OF FLURRIES LATE IN THE EVENING.
CHANCE OF SNOW AFTER MIDNIGHT, THEN CHANCE OF FLURRIES TOWARD
DAYBREAK. WAVES 5 TO 8 FEET. WAVES OCCASIONALLY TO 11 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST 5 KNOTS IN
THE AFTERNOON. MOSTLY 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
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT, THEN RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS. PARTLY SUNNY. WAVES 2 TO 4 FEET BUILDING TO 6 TO 9 FEET
IN THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY TO 12 FEET.
A GALE WARNING MAY BE NEEDED.
LSZ142-151100-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
923 PM CST SUN DEC 14 2025
..GALE WARNING IN EFFECT UNTIL 3 AM CST MONDAY
REST OF TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 25 KNOTS TOWARD DAYBREAK. HEAVY FREEZING
SPRAY IN THE LATE EVENING AND EARLY MORNING. CHANCE OF FLURRIES
THROUGH THE NIGHT. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO
9 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST 5 KNOTS IN
THE AFTERNOON. MOSTLY 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 EARLY IN THE MORNING. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. PARTLY SUNNY. WAVES 1 TO 3 FEET BUILDING TO 4 TO 6 FEET
IN THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY TO 8 FEET.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ143-151100-
SILVER BAY HARBOR TO TWO HARBORS MN-
923 PM CST SUN DEC 14 2025
..GALE WARNING IN EFFECT UNTIL 3 AM CST MONDAY
REST OF TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 25 KNOTS TOWARD DAYBREAK. HEAVY FREEZING
SPRAY IN THE LATE EVENING AND EARLY MORNING. CHANCE OF FLURRIES
AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EASING TO 5 KNOTS IN THE AFTERNOON. MOSTLY 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 IN THE
LATE EVENING AND EARLY MORNING, THEN RISING TO 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY
IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY IN THE
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE NEEDED.
LSZ144-151100-
TWO HARBORS TO DULUTH MN-
923 PM CST SUN DEC 14 2025
..GALE WARNING IN EFFECT UNTIL 3 AM CST MONDAY
REST OF TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 25 KNOTS TOWARD DAYBREAK. HEAVY FREEZING
SPRAY AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO
8 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EASING TO 5 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO
3 FEET.
MONDAY NIGHT
WEST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT, THEN RISING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND UP TO 30 KNOTS. MOSTLY CLOUDY IN THE
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ145-151100-
DULUTH MN TO PORT WING WI-
923 PM CST SUN DEC 14 2025
..GALE WARNING IN EFFECT UNTIL 3 AM CST MONDAY
..HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 3 AM CST MONDAY
REST OF TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 25 KNOTS TOWARD DAYBREAK. CLOUDY. WAVES
3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY IN
THE MORNING THEN BECOMING MOSTLY SUNNY. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING AND AFTERNOON.
MONDAY NIGHT
SOUTHWEST WIND 5 KNOTS RISING TO 15 TO 20 KNOTS.
MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS.
PARTLY SUNNY. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET. A
GALE WARNING MAY BE NEEDED.
LSZ146-151100-
PORT WING TO SAND ISLAND WI-
923 PM CST SUN DEC 14 2025
..GALE WARNING IN EFFECT UNTIL 3 AM CST MONDAY
..HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 3 AM CST MONDAY
REST OF TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 25 KNOTS TOWARD DAYBREAK. CHANCE OF
FLURRIES AFTER MIDNIGHT. HEAVY FREEZING SPRAY AFTER MIDNIGHT.
WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
MONDAY
WEST WIND 15 TO 20 KNOTS EASING TO 5 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
2 FEET IN THE 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 IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS IN
THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 4 TO 7 FEET.
WAVES OCCASIONALLY TO 9 FEET. A GALE WARNING MAY BE NEEDED.
LSZ147-151100-
SAND ISLAND TO BAYFIELD WI-
923 PM CST SUN DEC 14 2025
..GALE WARNING IN EFFECT UNTIL 3 AM CST MONDAY
..HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 3 AM CST MONDAY
REST OF TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 25 KNOTS TOWARD DAYBREAK. CHANCE OF
FLURRIES THROUGH THE NIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY
TO 7 FEET.
MONDAY
WEST WIND 15 TO 20 KNOTS EASING TO 5 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
2 FEET IN THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
MONDAY NIGHT
WEST WIND 5 KNOTS BECOMING SOUTHWEST WITH GUSTS
TO AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS RISING TO 20 TO 25 KNOTS WITH GALES TO AROUND 35 KNOTS
IN THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 1 TO
3 FEET BUILDING TO 4 TO 6 FEET IN THE LATE MORNING AND AFTERNOON.
WAVES OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE NEEDED.
LSZ150-151100-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
923 PM CST SUN DEC 14 2025
..GALE WARNING IN EFFECT UNTIL 3 AM CST MONDAY
..HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 3 AM CST MONDAY
REST OF TONIGHT
SOUTHWEST WIND UP TO 30 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 30 KNOTS TOWARD DAYBREAK. CHANCE OF
FLURRIES THROUGH THE NIGHT. HEAVY FREEZING SPRAY AFTER MIDNIGHT.
WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
MONDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHWEST 5 TO 10 KNOTS IN THE AFTERNOON. CHANCE OF
FLURRIES IN THE MORNING. WAVES 4 TO 6 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 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 35 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY
CLOUDY IN THE MORNING THEN BECOMING MOSTLY SUNNY. WAVES 2 TO
4 FEET BUILDING TO 5 TO 8 FEET IN THE LATE MORNING AND AFTERNOON.
WAVES OCCASIONALLY TO 10 FEET. A GALE WARNING MAY BE NEEDED.
LSZ121-151100-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
923 PM CST SUN DEC 14 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS INCREASING TO 35 KNOTS AFTER MIDNIGHT, THEN DECREASING
TO 25 KNOTS TOWARD DAYBREAK. CHANCE OF FLURRIES IN THE LATE
EVENING AND EARLY MORNING. WAVES 1 TO 2 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS IN THE AFTERNOON. PARTLY SUNNY.
WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 KNOTS RISING TO 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.
TUESDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY
SUNNY. WAVES 1 TO 3 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ148-151100-
OAK POINT TO SAXON HARBOR WI-
923 PM CST SUN DEC 14 2025
..GALE WARNING IN EFFECT UNTIL 3 AM CST MONDAY
REST OF TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 30 KNOTS TOWARD DAYBREAK. CHANCE OF
FLURRIES IN THE LATE EVENING AND EARLY MORNING. WAVES 2 TO
4 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 TO
3 FEET.
MONDAY NIGHT
SOUTHWEST WIND 5 KNOTS RISING TO 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY
SUNNY. WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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