867
FZUS53 KDLH 221137
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
637 AM CDT SUN MAR 22 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.
LSZ140-221600-
GRAND PORTAGE TO GRAND MARAIS MN-
637 AM CDT SUN MAR 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING WEST EARLY
IN THE MORNING. GUSTS UP TO 20 KNOTS. CHANCE OF SNOW AND RAIN
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-221600-
GRAND MARAIS TO TACONITE HARBOR MN-
637 AM CDT SUN MAR 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHEAST 5 TO 10 KNOTS LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN AND SNOW IN THE EVENING, THEN
CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-221600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
637 AM CDT SUN MAR 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
TODAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHEAST LATE IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 1 TO 3 FEET.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING WEST EARLY IN THE
MORNING. SLIGHT CHANCE OF RAIN IN THE EVENING, THEN CHANCE OF
RAIN AND SNOW AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-221600-
SILVER BAY HARBOR TO TWO HARBORS MN-
637 AM CDT SUN MAR 22 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING EAST 5 TO 10 KNOTS LATE IN THE AFTERNOON.
CHANCE OF FLURRIES IN THE LATE MORNING AND EARLY AFTERNOON. WAVES
1 TO 3 FEET.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
EVENING, THEN BECOMING WEST AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST EARLY IN THE
MORNING. SLIGHT CHANCE OF RAIN IN THE EVENING, THEN CHANCE OF
RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-221600-
TWO HARBORS TO DULUTH MN-
637 AM CDT SUN MAR 22 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS BECOMING EAST 5 TO
10 KNOTS LATE IN THE AFTERNOON. CHANCE OF FLURRIES IN THE LATE
MORNING AND EARLY AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
EAST WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT. PARTLY
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST EARLY
IN THE MORNING. SLIGHT CHANCE OF RAIN IN THE EVENING, THEN CHANCE
OF RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-221600-
DULUTH MN TO PORT WING WI-
637 AM CDT SUN MAR 22 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. CHANCE OF FLURRIES IN THE LATE MORNING AND EARLY
AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE
AFTERNOON.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
MONDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST EARLY
IN THE MORNING. SLIGHT CHANCE OF RAIN IN THE EVENING, THEN CHANCE
OF RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-221600-
PORT WING TO SAND ISLAND WI-
637 AM CDT SUN MAR 22 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY
UNTIL LATE AFTERNOON THEN BECOMING MOSTLY SUNNY. WAVES 3 TO
5 FEET.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 3 FEET.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING WEST EARLY IN THE
MORNING. SLIGHT CHANCE OF RAIN IN THE EVENING, THEN CHANCE OF
RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-221600-
SAND ISLAND TO BAYFIELD WI-
637 AM CDT SUN MAR 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. CHANCE OF FLURRIES LATE IN THE MORNING. WAVES 3 TO
5 FEET.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 3 FEET.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. CHANCE OF RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-221600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
637 AM CDT SUN MAR 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. FREEZING
SPRAY UNTIL LATE AFTERNOON. CHANCE OF FLURRIES LATE IN THE
MORNING. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE
AFTERNOON. WAVES OCCASIONALLY TO 10 FEET.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
MONDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST EARLY
IN THE MORNING. CHANCE OF RAIN AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-221600-
OAK POINT TO SAXON HARBOR WI-
637 AM CDT SUN MAR 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NORTHEAST WIND 20 TO 25 KNOTS EASING TO 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN
THE MORNING. CHANCE OF FLURRIES EARLY IN THE MORNING. SLIGHT
CHANCE OF SNOW LATE IN THE MORNING, THEN CHANCE OF FLURRIES EARLY
IN THE AFTERNOON. WAVES 5 TO 8 FEET. WAVES OCCASIONALLY TO
10 FEET.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
4 TO 6 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST WITH
GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
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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