474
FZUS53 KDLH 300848
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
348 AM 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.
LSZ140-301600-
GRAND PORTAGE TO GRAND MARAIS MN-
348 AM CDT THU APR 30 2026
TODAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHWEST LATE IN THE AFTERNOON. CHANCE
OF SNOW SHOWERS UNTIL LATE AFTERNOON, THEN SNOW SHOWERS LIKELY
LATE IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE EVENING
AND OVERNIGHT. CHANCE OF SNOW SHOWERS IN THE EVENING, THEN SLIGHT
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
NORTH 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. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ141-301600-
GRAND MARAIS TO TACONITE HARBOR MN-
348 AM CDT THU APR 30 2026
TODAY
NORTH WIND 5 KNOTS BECOMING SOUTH EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHWEST LATE IN THE AFTERNOON. CHANCE
OF SNOW SHOWERS UNTIL LATE AFTERNOON, THEN SNOW SHOWERS LIKELY
AND CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE EVENING
AND OVERNIGHT. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS IN THE
EVENING, THEN SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
FRIDAY
NORTH WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT.
MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ142-301600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
348 AM CDT THU APR 30 2026
TODAY
NORTH WIND 5 KNOTS BECOMING SOUTH EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHWEST LATE IN THE AFTERNOON. CHANCE
OF SNOW SHOWERS EARLY IN THE MORNING, THEN SLIGHT CHANCE OF SNOW
SHOWERS LATE IN THE MORNING. CHANCE OF RAIN SHOWERS AND SNOW
SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE EVENING
AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS IN
THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ143-301600-
SILVER BAY HARBOR TO TWO HARBORS MN-
348 AM CDT THU APR 30 2026
TODAY
NORTH WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING. CHANCE OF RAIN
SHOWERS THROUGH THE DAY. CHANCE OF SNOW SHOWERS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE EVENING
AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS IN
THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
LSZ144-301600-
TWO HARBORS TO DULUTH MN-
348 AM CDT THU APR 30 2026
TODAY
NORTH WIND 5 KNOTS BECOMING EAST LATE IN THE AFTERNOON.
CHANCE OF SPRINKLES AND FLURRIES IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN SHOWERS AND SNOW SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS AND
SNOW SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ145-301600-
DULUTH MN TO PORT WING WI-
348 AM CDT THU APR 30 2026
TODAY
NORTH WIND 5 KNOTS. CHANCE OF FLURRIES EARLY IN THE
MORNING. CHANCE OF SPRINKLES IN THE MORNING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AND SNOW SHOWERS IN THE AFTERNOON. WAVES 1 FOOT
OR LESS.
TONIGHT
NORTH WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS AND
SNOW SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ146-301600-
PORT WING TO SAND ISLAND WI-
348 AM CDT THU APR 30 2026
TODAY
NORTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SNOW SHOWERS THROUGH THE DAY. SLIGHT
CHANCE OF RAIN SHOWERS IN THE LATE MORNING AND AFTERNOON. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS IN THE EVENING.
WAVES 1 FOOT OR LESS.
FRIDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
LSZ147-301600-
SAND ISLAND TO BAYFIELD WI-
348 AM CDT THU APR 30 2026
TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS. WAVES 1 FOOT
OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH EARLY IN THE MORNING.
SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS IN THE EVENING.
WAVES 1 FOOT OR LESS.
FRIDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ150-301600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
348 AM CDT THU APR 30 2026
TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS UNTIL LATE AFTERNOON. CHANCE OF
SNOW SHOWERS IN THE LATE MORNING AND EARLY AFTERNOON, THEN SLIGHT
CHANCE OF RAIN SHOWERS AND SNOW SHOWERS LATE IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS IN THE EVENING.
WAVES 1 FOOT OR LESS.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN
THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ121-301600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
348 AM CDT THU APR 30 2026
TODAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS EARLY IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SNOW SHOWERS IN THE LATE
MORNING AND EARLY AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS AND
SNOW SHOWERS LATE IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS AND
SNOW SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ148-301600-
OAK POINT TO SAXON HARBOR WI-
348 AM CDT THU APR 30 2026
TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS. WAVES 1 FOOT
OR LESS.
TONIGHT
NORTH WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS AND
SNOW SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS 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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