359
FZUS53 KDLH 062035
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
335 PM CDT MON APR 6 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.
LSZ140-070400-
GRAND PORTAGE TO GRAND MARAIS MN-
335 PM CDT MON APR 6 2026
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE NIGHT. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
TUESDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS BUILDING TO 2 TO
4 FEET IN THE AFTERNOON.
TUESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING SOUTH 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE OF
FLURRIES IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT.
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE EVENING,
THEN BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
WEDNESDAY
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. RAIN LIKELY IN THE MORNING. SNOW LIKELY THROUGH THE
DAY. RAIN IN THE AFTERNOON. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY
TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-070400-
GRAND MARAIS TO TACONITE HARBOR MN-
335 PM CDT MON APR 6 2026
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES
1 TO 2 FEET.
TUESDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF FLURRIES IN THE EVENING, THEN CHANCE OF SNOW
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SNOW AND RAIN LIKELY IN THE MORNING, THEN RAIN AND
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES 2 TO 4 FEET. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-070400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
335 PM CDT MON APR 6 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SNOW IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
WEDNESDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN
THE AFTERNOON. CHANCE OF RAIN AND SNOW IN THE MORNING, THEN RAIN
AND SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-070400-
SILVER BAY HARBOR TO TWO HARBORS MN-
335 PM CDT MON APR 6 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
TUESDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH
EARLY IN THE MORNING. CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHEAST WIND 10 TO 15 KNOTS. CHANCE OF RAIN AND
SNOW IN THE MORNING, THEN RAIN IN THE AFTERNOON. WAVES 1 TO
2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-070400-
TWO HARBORS TO DULUTH MN-
335 PM CDT MON APR 6 2026
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS EASING TO 5 KNOTS AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT.
CHANCE OF FLURRIES IN THE EVENING, THEN CHANCE OF SNOW AND RAIN
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF RAIN AND SNOW IN THE MORNING, THEN RAIN IN
THE AFTERNOON. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-070400-
DULUTH MN TO PORT WING WI-
335 PM CDT MON APR 6 2026
TONIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 5 KNOTS AFTER MIDNIGHT, THEN BECOMING
WEST LATE IN THE NIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING SOUTH
15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER MIDNIGHT.
CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTH WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF RAIN AND SNOW IN THE MORNING, THEN RAIN IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-070400-
PORT WING TO SAND ISLAND WI-
335 PM CDT MON APR 6 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST LATE IN THE
NIGHT. MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. WAVES
1 TO 3 FEET.
TUESDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SNOW IN THE EVENING,
THEN CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF RAIN AND SNOW IN THE MORNING, THEN RAIN IN
THE AFTERNOON. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-070400-
SAND ISLAND TO BAYFIELD WI-
335 PM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLOUDY EARLY IN THE EVENING THEN
CLEARING. WAVES 1 TO 3 FEET.
TUESDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING, THEN
CHANCE OF SNOW AND SLIGHT CHANCE OF LIGHT FREEZING RAIN AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL LATE AFTERNOON. CHANCE OF RAIN AND SNOW IN THE MORNING,
THEN RAIN IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-070400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
335 PM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET LATE IN
THE NIGHT.
TUESDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 15 TO 20 KNOTS. SLIGHT CHANCE OF
SNOW IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. WAVES
1 TO 2 FEET BUILDING TO 1 TO 3 FEET EARLY IN THE MORNING.
WEDNESDAY
SOUTH WIND 15 TO 20 KNOTS. CHANCE OF RAIN AND SNOW
IN THE MORNING, THEN RAIN IN THE AFTERNOON. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-070400-
OAK POINT TO SAXON HARBOR WI-
335 PM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS LATE IN THE NIGHT. MOSTLY CLOUDY
IN THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
TUESDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN
THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH 15 TO
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SLIGHT CHANCE OF SNOW IN THE EVENING, THEN CHANCE OF
RAIN, SNOW AND SLIGHT CHANCE OF LIGHT FREEZING RAIN AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTH WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN IN
THE MORNING, THEN RAIN IN THE AFTERNOON. 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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