393
FZUS53 KDLH 310234
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
934 PM CDT MON MAR 30 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.
LSZ140-311000-
GRAND PORTAGE TO GRAND MARAIS MN-
934 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF SNOW IN THE LATE EVENING AND EARLY
MORNING, THEN SNOW LIKELY TOWARD DAYBREAK. WAVES 2 TO 4 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE IN THE AFTERNOON. SNOW LIKELY IN THE
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. WAVES 3 TO 5 FEET.
TUESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY IN
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
WEDNESDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-311000-
GRAND MARAIS TO TACONITE HARBOR MN-
934 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF LIGHT SLEET LATE IN THE
EVENING. CHANCE OF SNOW IN THE LATE EVENING AND EARLY MORNING,
THEN SNOW LIKELY TOWARD DAYBREAK. WAVES 3 TO 5 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING EAST 5 TO 10 KNOTS LATE IN THE AFTERNOON. SNOW
LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SNOW THROUGH THE NIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
WEDNESDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-311000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
934 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS TOWARD DAYBREAK. SLIGHT CHANCE OF
LIGHT SLEET LATE IN THE EVENING, THEN CHANCE OF SNOW, LIGHT SLEET
AND LIGHT FREEZING RAIN AFTER MIDNIGHT. SNOW, RAIN LIKELY AND
SLIGHT CHANCE OF LIGHT SLEET TOWARD DAYBREAK. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY TO 8 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS IN THE AFTERNOON. SNOW LIKELY IN
THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SNOW IN THE EVENING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET
EARLY IN THE MORNING.
WEDNESDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 1 TO
3 FEET LATE IN THE AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-311000-
SILVER BAY HARBOR TO TWO HARBORS MN-
934 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
REST OF TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF RAIN AND CHANCE OF LIGHT
FREEZING RAIN LATE IN THE EVENING, THEN SNOW LIKELY, CHANCE OF
RAIN, LIGHT SLEET AND LIGHT FREEZING RAIN LIKELY AFTER MIDNIGHT.
WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. SNOW
LIKELY, SLIGHT CHANCE OF RAIN AND LIGHT FREEZING RAIN IN THE
MORNING, THEN SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 8 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE
MORNING.
WEDNESDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
PARTLY SUNNY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET LATE IN
THE AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-311000-
TWO HARBORS TO DULUTH MN-
934 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF RAIN LATE IN THE EVENING.
SLIGHT CHANCE OF SNOW THROUGH THE NIGHT. CHANCE OF RAIN AND LIGHT
FREEZING RAIN LIKELY AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES
OCCASIONALLY TO 9 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 5 TO 10 KNOTS LATE IN THE AFTERNOON.
CHANCE OF RAIN, SNOW AND SLIGHT CHANCE OF LIGHT FREEZING RAIN IN
THE MORNING, THEN SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES
4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
WEDNESDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE
AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-311000-
DULUTH MN TO PORT WING WI-
934 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS IN THE LATE EVENING AND EARLY MORNING. SLIGHT CHANCE OF
RAIN AND LIGHT FREEZING RAIN LATE IN THE EVENING. SLIGHT CHANCE
OF SNOW THROUGH THE NIGHT. CHANCE OF RAIN AND LIGHT FREEZING RAIN
AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 10 KNOTS LATE IN THE AFTERNOON. CHANCE OF
RAIN, SNOW AND LIGHT FREEZING RAIN IN THE MORNING, THEN SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER
MIDNIGHT.
WEDNESDAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE
AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-311000-
PORT WING TO SAND ISLAND WI-
934 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
REST OF TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS TOWARD DAYBREAK. SLIGHT CHANCE OF
RAIN AND LIGHT FREEZING RAIN LATE IN THE EVENING. SLIGHT CHANCE
OF SNOW THROUGH THE NIGHT. CHANCE OF RAIN AND LIGHT FREEZING RAIN
AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 5 TO 10 KNOTS LATE IN THE AFTERNOON.
RAIN, SNOW AND LIGHT FREEZING RAIN LIKELY IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
WEDNESDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET LATE IN
THE AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-311000-
SAND ISLAND TO BAYFIELD WI-
934 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS TOWARD DAYBREAK. SLIGHT CHANCE OF
LIGHT FREEZING RAIN AND LIGHT SLEET LATE IN THE EVENING. CHANCE
OF RAIN AND SLIGHT CHANCE OF SNOW THROUGH THE NIGHT. CHANCE OF
LIGHT FREEZING RAIN AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 5 TO 10 KNOTS LATE IN THE AFTERNOON.
SNOW, RAIN LIKELY AND CHANCE OF LIGHT FREEZING RAIN IN THE
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET AFTER MIDNIGHT.
WEDNESDAY
EAST WIND 15 TO 20 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET BUILDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-311000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
934 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS TOWARD DAYBREAK. CHANCE OF LIGHT
SLEET AND SLIGHT CHANCE OF SNOW IN THE LATE EVENING AND EARLY
MORNING. CHANCE OF RAIN AND LIGHT FREEZING RAIN THROUGH THE
NIGHT. CHANCE OF SNOW TOWARD DAYBREAK. WAVES 4 TO 7 FEET. WAVES
OCCASIONALLY TO 9 FEET.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
SNOW, RAIN LIKELY AND CHANCE OF LIGHT FREEZING RAIN IN THE
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. WAVES 4 TO 7 FEET.
WAVES OCCASIONALLY TO 9 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
10 TO 15 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.
WEDNESDAY
NORTHEAST WIND 15 TO 20 KNOTS. PARTLY SUNNY. WAVES
2 TO 4 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-311000-
OAK POINT TO SAXON HARBOR WI-
934 PM CDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF
RAIN IN THE LATE EVENING AND EARLY MORNING. SLIGHT CHANCE OF
LIGHT FREEZING RAIN AFTER MIDNIGHT, THEN CHANCE OF RAIN, LIGHT
FREEZING RAIN AND SLIGHT CHANCE OF SNOW TOWARD DAYBREAK. WAVES
4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
TUESDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTH EARLY IN THE AFTERNOON, THEN EASING TO
10 KNOTS LATE IN THE AFTERNOON. CHANCE OF LIGHT FREEZING RAIN IN
THE MORNING. CHANCE OF RAIN AND SNOW THROUGH THE DAY. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHEAST WIND 15 TO 20 KNOTS. PARTLY SUNNY. WAVES
1 TO 3 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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