293
FZUS53 KDLH 301823
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
123 PM CDT THU APR 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.
LSZ140-302200-
GRAND PORTAGE TO GRAND MARAIS MN-
123 PM CDT THU APR 30 2026
REST OF TODAY
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST LATE.
CHANCE OF SNOW. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE EVENING
AND OVERNIGHT. CHANCE OF SNOW AND RAIN IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE AFTERNOON, THEN BECOMING SOUTHWEST LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ141-302200-
GRAND MARAIS TO TACONITE HARBOR MN-
123 PM CDT THU APR 30 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF RAIN AND SNOW.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND OVERNIGHT. CHANCE OF RAIN AND SNOW IN THE EVENING,
THEN CHANCE OF FLURRIES AND SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
FRIDAY
NORTH WIND 5 KNOTS BECOMING EAST LATE IN THE MORNING,
THEN BECOMING SOUTH IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-302200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
123 PM CDT THU APR 30 2026
REST OF TODAY
SOUTH WIND 5 KNOTS. CHANCE OF RAIN AND SNOW.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND OVERNIGHT. CHANCE OF FLURRIES AND SLIGHT CHANCE OF
RAIN IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTH WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ143-302200-
SILVER BAY HARBOR TO TWO HARBORS MN-
123 PM CDT THU APR 30 2026
REST OF TODAY
SOUTH WIND 5 KNOTS. CHANCE OF RAIN AND SNOW.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND OVERNIGHT. CHANCE OF SPRINKLES AND FLURRIES IN THE
EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING NORTHWEST EARLY IN THE
MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ144-302200-
TWO HARBORS TO DULUTH MN-
123 PM CDT THU APR 30 2026
REST OF TODAY
SOUTHEAST WIND 5 KNOTS. CHANCE OF SNOW EARLY IN
THE AFTERNOON. CHANCE OF RAIN THROUGH THE DAY. WAVES 1 FOOT OR
LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING NORTH IN THE LATE EVENING
AND OVERNIGHT. CHANCE OF SPRINKLES AND FLURRIES IN THE EVENING.
WAVES 1 FOOT OR LESS.
FRIDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTHWEST EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ145-302200-
DULUTH MN TO PORT WING WI-
123 PM CDT THU APR 30 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. CHANCE OF RAIN EARLY IN
THE AFTERNOON. CHANCE OF SNOW THROUGH THE DAY. SLIGHT CHANCE OF
RAIN LATE. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
CHANCE OF SPRINKLES AND FLURRIES IN THE EVENING. WAVES 1 FOOT OR
LESS.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ146-302200-
PORT WING TO SAND ISLAND WI-
123 PM CDT THU APR 30 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST LATE.
CHANCE OF SNOW EARLY IN THE AFTERNOON. CHANCE OF RAIN THROUGH THE
DAY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 KNOTS BECOMING NORTHWEST LATE IN THE
EVENING, THEN BECOMING NORTH AFTER MIDNIGHT. CHANCE OF SPRINKLES
AND FLURRIES IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHEAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
FRIDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ147-302200-
SAND ISLAND TO BAYFIELD WI-
123 PM CDT THU APR 30 2026
REST OF TODAY
NORTHWEST WIND 5 KNOTS. CHANCE OF RAIN AND SNOW.
WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
CHANCE OF SPRINKLES AND FLURRIES IN THE EVENING. WAVES 1 FOOT OR
LESS.
FRIDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN
THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ150-302200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
123 PM CDT THU APR 30 2026
REST OF TODAY
NORTH WIND 5 KNOTS BECOMING WEST LATE. CHANCE OF
RAIN AND SNOW. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
CHANCE OF RAIN IN THE EVENING. CHANCE OF FLURRIES THROUGH THE
NIGHT. CHANCE OF SPRINKLES AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN
THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ121-302200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
123 PM CDT THU APR 30 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. CHANCE OF RAIN AND SNOW.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 KNOTS. CHANCE OF RAIN IN THE EVENING.
CHANCE OF FLURRIES THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ148-302200-
OAK POINT TO SAXON HARBOR WI-
123 PM CDT THU APR 30 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. CHANCE OF SNOW AND RAIN.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 KNOTS. SLIGHT CHANCE OF RAIN IN THE
EVENING. CHANCE OF FLURRIES THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
FRIDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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