345
FZUS53 KDLH 132148
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
448 PM CDT FRI MAR 13 2026
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.
LSZ140-140400-
GRAND PORTAGE TO GRAND MARAIS MN-
448 PM CDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE MONDAY
NIGHT...
TONIGHT
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
EVENING. MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER
MIDNIGHT.
SATURDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING EAST LATE IN
THE EVENING, THEN BECOMING NORTHEAST 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
SUNDAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS. SNOW LIKELY THROUGH THE DAY. FREEZING SPRAY IN THE
AFTERNOON. WAVES 3 TO 5 FEET BUILDING TO 6 TO 9 FEET IN THE LATE
MORNING AND AFTERNOON. WAVES OCCASIONALLY TO 12 FEET. A GALE
WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-140400-
GRAND MARAIS TO TACONITE HARBOR MN-
448 PM CDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE MONDAY
NIGHT...
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 KNOTS LATE IN THE NIGHT. PARTLY CLOUDY.
WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
SATURDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO 2 FEET
BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING.
SUNDAY
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. SNOW LIKELY. WAVES
5 TO 8 FEET. WAVES OCCASIONALLY TO 10 FEET. A GALE WARNING MAY BE
NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-140400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
448 PM CDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE MONDAY
NIGHT...
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 KNOTS LATE IN THE NIGHT. PARTLY CLOUDY.
WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
SATURDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SLIGHT CHANCE OF SNOW IN THE EVENING, THEN CHANCE OF
SNOW AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET
EARLY IN THE MORNING. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW IN
THE MORNING, THEN SNOW LIKELY IN THE AFTERNOON. FREEZING SPRAY IN
THE AFTERNOON. WAVES 7 TO 10 FEET. WAVES OCCASIONALLY TO 13 FEET.
A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-140400-
SILVER BAY HARBOR TO TWO HARBORS MN-
448 PM CDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE MONDAY
NIGHT...
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS LATE IN THE NIGHT. PARTLY CLOUDY.
WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
SATURDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. CHANCE OF SNOW IN THE EVENING, THEN SNOW LIKELY AFTER
MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET EARLY IN THE
MORNING. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY
BE NEEDED.
SUNDAY
NORTHEAST WIND 20 TO 25 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 35 KNOTS IN THE AFTERNOON. SNOW LIKELY THROUGH THE
DAY. FREEZING SPRAY IN THE AFTERNOON. WAVES 5 TO 8 FEET BUILDING
TO 8 TO 11 FEET IN THE LATE MORNING AND AFTERNOON. WAVES
OCCASIONALLY TO 14 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-140400-
TWO HARBORS TO DULUTH MN-
448 PM CDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE MONDAY
NIGHT...
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS LATE IN THE NIGHT. PARTLY CLOUDY.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
SATURDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND EARLY AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHEAST 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW IN THE EVENING,
THEN SNOW LIKELY AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO
3 TO 5 FEET EARLY IN THE MORNING. WAVES OCCASIONALLY TO 7 FEET. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
NORTHEAST WIND UP TO 30 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 35 KNOTS IN THE AFTERNOON. FREEZING SPRAY. SNOW
LIKELY. WAVES 6 TO 9 FEET BUILDING TO 8 TO 11 FEET IN THE LATE
MORNING AND AFTERNOON. WAVES OCCASIONALLY TO 14 FEET. A GALE
WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-140400-
DULUTH MN TO PORT WING WI-
448 PM CDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE MONDAY
NIGHT...
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS LATE IN THE NIGHT. PARTLY CLOUDY.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
SATURDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHEAST 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW IN THE EVENING,
THEN SNOW LIKELY AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO
4 TO 6 FEET EARLY IN THE MORNING. WAVES OCCASIONALLY TO 7 FEET. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
NORTHEAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
40 KNOTS. FREEZING SPRAY. SNOW. WAVES 6 TO 9 FEET BUILDING TO
8 TO 13 FEET IN THE LATE MORNING AND AFTERNOON. WAVES
OCCASIONALLY TO 17 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-140400-
PORT WING TO SAND ISLAND WI-
448 PM CDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE MONDAY
NIGHT...
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS LATE IN THE NIGHT. SLIGHT CHANCE OF
SNOW EARLY IN THE EVENING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. CHANCE OF SNOW IN THE EVENING, THEN SNOW LIKELY AFTER
MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET EARLY IN THE
MORNING. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
NORTHEAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
40 KNOTS. FREEZING SPRAY. SNOW. WAVES 6 TO 9 FEET BUILDING TO
8 TO 13 FEET IN THE LATE MORNING AND AFTERNOON. WAVES
OCCASIONALLY TO 17 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-140400-
SAND ISLAND TO BAYFIELD WI-
448 PM CDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE MONDAY
NIGHT...
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 KNOTS LATE IN THE NIGHT. SLIGHT CHANCE OF
SNOW EARLY IN THE EVENING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
SATURDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS RISING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SNOW IN THE EVENING, THEN
SNOW LIKELY AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET EARLY IN THE MORNING.
SUNDAY
NORTHEAST WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
INCREASING TO 45 KNOTS. FREEZING SPRAY. SNOW. WAVES 4 TO 7 FEET
BUILDING TO 8 TO 13 FEET. WAVES OCCASIONALLY TO 17 FEET. A GALE
WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-140400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
448 PM CDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE MONDAY
NIGHT...
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF
SNOW EARLY IN THE EVENING. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO
3 FEET. WAVES OCCASIONALLY TO 8 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING, THEN CHANCE OF
SNOW AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET
EARLY IN THE MORNING. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
NORTHEAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
45 KNOTS RISING TO GALES TO 35 KNOTS WITH GALES TO AROUND
45 KNOTS LATE IN THE AFTERNOON. FREEZING SPRAY THROUGH THE DAY.
BLOWING SNOW IN THE AFTERNOON. SNOW THROUGH THE DAY. WAVES 5 TO
8 FEET BUILDING TO 12 TO 17 FEET. WAVES OCCASIONALLY TO 22 FEET.
A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-140400-
OAK POINT TO SAXON HARBOR WI-
448 PM CDT FRI MAR 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE MONDAY
NIGHT...
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS LATE IN THE NIGHT. CHANCE OF SNOW
EARLY IN THE EVENING. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 3 FEET.
WAVES OCCASIONALLY TO 8 FEET.
SATURDAY
SOUTHWEST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS RISING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
EARLY IN THE MORNING. CHANCE OF SNOW IN THE EVENING, THEN SNOW
LIKELY AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET
EARLY IN THE MORNING. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
NORTHEAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
45 KNOTS RISING TO GALES TO 35 KNOTS WITH GALES TO AROUND
45 KNOTS LATE IN THE AFTERNOON. FREEZING SPRAY AND BLOWING SNOW.
SNOW. WAVES 5 TO 8 FEET BUILDING TO 10 TO 15 FEET. WAVES
OCCASIONALLY TO 20 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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