659
FZUS53 KDLH 070156
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
856 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.
LSZ140-071000-
GRAND PORTAGE TO GRAND MARAIS MN-
856 PM CDT MON APR 6 2026
REST OF TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 15 TO
20 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 30 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. GUSTS UP TO 30 KNOTS
DECREASING TO 20 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.
LSZ141-071000-
GRAND MARAIS TO TACONITE HARBOR MN-
856 PM CDT MON APR 6 2026
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHEAST 10 TO
15 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.
WEDNESDAY
SOUTHEAST WIND 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. 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.
LSZ142-071000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
856 PM CDT MON APR 6 2026
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. 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. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. 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. GUSTS UP TO 20 KNOTS
IN THE MORNING. 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.
LSZ143-071000-
SILVER BAY HARBOR TO TWO HARBORS MN-
856 PM CDT MON APR 6 2026
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. 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 WITH
GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. CHANCE OF SNOW AND
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
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.
LSZ144-071000-
TWO HARBORS TO DULUTH MN-
856 PM CDT MON APR 6 2026
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST
TOWARD DAYBREAK. CLEAR. WAVES 1 FOOT OR LESS.
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 BECOMING SOUTH WITH
GUSTS TO AROUND 25 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 5 TO 10 KNOTS BECOMING SOUTHWEST LATE
IN THE AFTERNOON. GUSTS UP 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.
LSZ145-071000-
DULUTH MN TO PORT WING WI-
856 PM CDT MON APR 6 2026
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST
TOWARD DAYBREAK. CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH WITH
GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.
CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY
IN THE AFTERNOON, THEN BECOMING SOUTHWEST WITH GUSTS TO AROUND
20 KNOTS LATE IN THE 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.
LSZ146-071000-
PORT WING TO SAND ISLAND WI-
856 PM CDT MON APR 6 2026
REST OF TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES 1 TO
3 FEET.
TUESDAY
SOUTHWEST 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 WITH
GUSTS TO AROUND 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 5 TO 10 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS LATE IN
THE 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.
LSZ147-071000-
SAND ISLAND TO BAYFIELD WI-
856 PM CDT MON APR 6 2026
REST OF TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. CLEAR. WAVES
1 TO 3 FEET.
TUESDAY
SOUTHWEST WIND 5 TO 10 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 BECOMING SOUTH WITH GUSTS TO AROUND 25 KNOTS
EARLY IN THE MORNING. 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 WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN
THE LATE MORNING AND 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.
LSZ150-071000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
856 PM CDT MON APR 6 2026
REST OF TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. CLEAR. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 2 FEET TOWARD DAYBREAK.
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 BECOMING SOUTH
WITH GUSTS TO AROUND 30 KNOTS AFTER MIDNIGHT. 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 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE IN THE AFTERNOON. 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.
LSZ148-071000-
OAK POINT TO SAXON HARBOR WI-
856 PM CDT MON APR 6 2026
REST OF TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS EASING TO
5 KNOTS TOWARD DAYBREAK. CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET AFTER MIDNIGHT.
TUESDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE
IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 30 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 10 TO 15 KNOTS. GUSTS UP TO 30 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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