653
FZUS53 KDLH 250821
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
321 AM CDT WED MAR 25 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.
LSZ140-251600-
GRAND PORTAGE TO GRAND MARAIS MN-
321 AM CDT WED MAR 25 2026
TODAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. CHANCE OF SNOW AND SLIGHT CHANCE OF LIGHT FREEZING
RAIN IN THE MORNING. CHANCE OF RAIN LATE IN THE MORNING, THEN
SLIGHT CHANCE OF RAIN EARLY IN THE AFTERNOON. PATCHY FOG LATE IN
THE MORNING. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS BECOMING NORTH WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
LIGHT FREEZING RAIN IN THE EVENING, THEN CHANCE OF LIGHT FREEZING
RAIN AND SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
THURSDAY
NORTH WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS LATE IN THE MORNING. SLIGHT CHANCE OF
LIGHT FREEZING RAIN IN THE MORNING. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-251600-
GRAND MARAIS TO TACONITE HARBOR MN-
321 AM CDT WED MAR 25 2026
TODAY
EAST WIND 5 KNOTS. CHANCE OF LIGHT FREEZING RAIN EARLY
IN THE MORNING. CHANCE OF SNOW IN THE MORNING. SLIGHT CHANCE OF
RAIN LATE IN THE MORNING. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING EAST AFTER MIDNIGHT.
CHANCE OF RAIN, LIGHT FREEZING RAIN AND SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTH WITH GUSTS TO AROUND 20 KNOTS IN THE LATE
MORNING AND AFTERNOON. SLIGHT CHANCE OF LIGHT FREEZING RAIN AND
SNOW IN THE MORNING. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-251600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
321 AM CDT WED MAR 25 2026
TODAY
NORTHEAST WIND 5 KNOTS. CHANCE OF LIGHT FREEZING RAIN
EARLY IN THE MORNING. SLIGHT CHANCE OF SNOW IN THE MORNING.
SLIGHT CHANCE OF RAIN LATE IN THE MORNING. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST EARLY IN THE
MORNING. CHANCE OF RAIN AND LIGHT FREEZING RAIN AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTH WITH GUSTS TO
AROUND 20 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE
OF RAIN AND LIGHT FREEZING RAIN IN THE MORNING. SLIGHT CHANCE OF
SNOW THROUGH THE DAY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-251600-
SILVER BAY HARBOR TO TWO HARBORS MN-
321 AM CDT WED MAR 25 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN,
LIGHT FREEZING RAIN AND SNOW EARLY IN THE MORNING. WAVES 1 TO
2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN AND LIGHT
FREEZING RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTH IN THE LATE
MORNING AND AFTERNOON. SLIGHT CHANCE OF RAIN AND LIGHT FREEZING
RAIN IN THE MORNING. SLIGHT CHANCE OF SNOW THROUGH THE DAY. WAVES
1 FOOT OR LESS.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-251600-
TWO HARBORS TO DULUTH MN-
321 AM CDT WED MAR 25 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY IN THE
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. CHANCE OF RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND AFTERNOON.
CHANCE OF RAIN IN THE MORNING. SLIGHT CHANCE OF SNOW THROUGH THE
DAY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTH WIND 10 TO 15 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-251600-
DULUTH MN TO PORT WING WI-
321 AM CDT WED MAR 25 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY IN THE
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST EARLY
IN THE MORNING. CHANCE OF RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING NORTH WITH
GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. CHANCE OF RAIN IN THE
MORNING. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTH WIND 10 TO 15 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-251600-
PORT WING TO SAND ISLAND WI-
321 AM CDT WED MAR 25 2026
TODAY
EAST WIND 5 KNOTS BECOMING NORTH IN THE AFTERNOON.
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE MORNING. CHANCE OF RAIN AND LIGHT FREEZING RAIN AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTH 10 TO 15 KNOTS
IN THE LATE MORNING AND AFTERNOON. CHANCE OF RAIN AND LIGHT
FREEZING RAIN IN THE MORNING. SLIGHT CHANCE OF SNOW THROUGH THE
DAY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-251600-
SAND ISLAND TO BAYFIELD WI-
321 AM CDT WED MAR 25 2026
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
MORNING, THEN BECOMING NORTHWEST EARLY IN THE AFTERNOON BECOMING
NORTH LATE IN THE AFTERNOON. SLIGHT CHANCE OF RAIN EARLY IN THE
MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
EVENING, THEN BECOMING NORTHEAST AFTER MIDNIGHT BECOMING
NORTHWEST EARLY IN THE MORNING. CHANCE OF RAIN AND LIGHT FREEZING
RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTH IN THE LATE
MORNING AND AFTERNOON. CHANCE OF RAIN, LIGHT FREEZING RAIN AND
SLIGHT CHANCE OF SNOW IN THE MORNING. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-251600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
321 AM CDT WED MAR 25 2026
TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN THE
AFTERNOON, THEN BECOMING NORTH LATE IN THE AFTERNOON. SLIGHT
CHANCE OF RAIN EARLY IN THE MORNING. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST EARLY
IN THE MORNING. CHANCE OF RAIN AND LIGHT FREEZING RAIN AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND AFTERNOON.
SLIGHT CHANCE OF RAIN AND LIGHT FREEZING RAIN IN THE MORNING.
SLIGHT CHANCE OF SNOW THROUGH THE DAY. WAVES 1 TO 3 FEET.
THURSDAY NIGHT
NORTH WIND 10 TO 15 KNOTS EASING TO 10 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-251600-
OAK POINT TO SAXON HARBOR WI-
321 AM CDT WED MAR 25 2026
TODAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE IN THE
MORNING, THEN BECOMING WEST EARLY IN THE AFTERNOON BECOMING NORTH
LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. CHANCE OF RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTH 10 TO 15 KNOTS
IN THE LATE MORNING AND AFTERNOON. CHANCE OF RAIN AND LIGHT
FREEZING RAIN IN THE MORNING. WAVES 1 TO 3 FEET.
THURSDAY NIGHT
NORTH WIND 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
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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