510
FZUS53 KDLH 060655
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
155 AM 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.
LSZ140-061600-
GRAND PORTAGE TO GRAND MARAIS MN-
155 AM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
LATE IN THE AFTERNOON. CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING, THEN CHANCE OF FLURRIES IN THE LATE MORNING AND
AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE
AFTERNOON.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CHANCE OF FLURRIES IN THE EVENING. WAVES
1 TO 2 FEET.
TUESDAY
WEST WIND 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING SOUTH
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT.
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND EARLY MORNING,
THEN BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-061600-
GRAND MARAIS TO TACONITE HARBOR MN-
155 AM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING, THEN CHANCE OF FLURRIES IN THE LATE MORNING AND
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS AFTER MIDNIGHT. CHANCE OF FLURRIES IN
THE EVENING. WAVES 1 FOOT OR LESS.
TUESDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-061600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
155 AM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS EASING TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE IN
THE AFTERNOON. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING, THEN CHANCE OF FLURRIES IN THE LATE MORNING AND
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF FLURRIES IN
THE EVENING. 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. CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-061600-
SILVER BAY HARBOR TO TWO HARBORS MN-
155 AM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 10 KNOTS LATE IN THE AFTERNOON. CHANCE OF
FLURRIES. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF FLURRIES IN
THE EVENING. 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. CHANCE OF SNOW
SHOWERS AND SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-061600-
TWO HARBORS TO DULUTH MN-
155 AM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE AFTERNOON. CHANCE OF FLURRIES
THROUGH THE DAY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE MORNING. CHANCE OF FLURRIES IN THE EVENING. WAVES 1 FOOT OR
LESS.
TUESDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. CHANCE OF
SNOW SHOWERS AND SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-061600-
DULUTH MN TO PORT WING WI-
155 AM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF FLURRIES THROUGH THE DAY. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET IN THE AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE MORNING. CHANCE OF FLURRIES IN THE EVENING. WAVES 1 TO
2 FEET.
TUESDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS RISING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. RAIN
SHOWERS AND SNOW SHOWERS LIKELY AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-061600-
PORT WING TO SAND ISLAND WI-
155 AM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 10 KNOTS LATE IN THE AFTERNOON. CHANCE OF
FLURRIES. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE
AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF FLURRIES IN
THE EVENING. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. CHANCE OF SNOW
SHOWERS AND SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-061600-
SAND ISLAND TO BAYFIELD WI-
155 AM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS EASING TO 10 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE
OF SNOW SHOWERS EARLY IN THE MORNING, THEN CHANCE OF SNOW SHOWERS
IN THE LATE MORNING AND EARLY AFTERNOON. CHANCE OF FLURRIES LATE
IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE
IN THE AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF FLURRIES IN
THE EVENING. WAVES 1 TO 3 FEET.
TUESDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH WITH GUSTS
TO AROUND 20 KNOTS AFTER MIDNIGHT. CHANCE OF SNOW SHOWERS AND
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-061600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
155 AM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. CHANCE OF SNOW SHOWERS UNTIL LATE
AFTERNOON, THEN CHANCE OF FLURRIES LATE IN THE AFTERNOON. WAVES
3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF FLURRIES IN THE EVENING. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
TUESDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE 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 SNOW SHOWERS AND SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-061600-
OAK POINT TO SAXON HARBOR WI-
155 AM CDT MON APR 6 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS IN
THE MORNING. CHANCE OF SNOW SHOWERS UNTIL LATE AFTERNOON, THEN
CHANCE OF FLURRIES LATE IN THE AFTERNOON. WAVES 3 TO 5 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS EASING TO 5 KNOTS EARLY
IN THE MORNING. CHANCE OF FLURRIES IN THE EVENING. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND
OVERNIGHT.
TUESDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT.
CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. 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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