610
FZUS53 KDLH 102239
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
539 PM CDT FRI APR 10 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.
LSZ140-110400-
GRAND PORTAGE TO GRAND MARAIS MN-
539 PM CDT FRI APR 10 2026
TONIGHT
WEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST 5 KNOTS
LATE IN THE NIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
SATURDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 10 TO 15 KNOTS BECOMING SOUTHEAST
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. RAIN LIKELY IN THE
EVENING, THEN RAIN AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SUNDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE MORNING. RAIN THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-110400-
GRAND MARAIS TO TACONITE HARBOR MN-
539 PM CDT FRI APR 10 2026
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 TO
10 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS. RAIN LIKELY IN THE
EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SUNDAY
EAST WIND 5 TO 10 KNOTS. RAIN THROUGH THE DAY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-110400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
539 PM CDT FRI APR 10 2026
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 TO 10 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS. RAIN AND SLIGHT CHANCE
OF THUNDERSTORMS. WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. RAIN THROUGH THE DAY.
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-110400-
SILVER BAY HARBOR TO TWO HARBORS MN-
539 PM CDT FRI APR 10 2026
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING VARIABLE 10 KNOTS OR
LESS LATE IN THE NIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 TO 10 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF
THUNDERSTORMS IN THE EVENING. RAIN THROUGH THE NIGHT. SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. RAIN THROUGH THE DAY.
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-110400-
TWO HARBORS TO DULUTH MN-
539 PM CDT FRI APR 10 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 10 TO 15 KNOTS. RAIN AND CHANCE OF
THUNDERSTORMS. WAVES 1 TO 2 FEET.
SUNDAY
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. RAIN THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-110400-
DULUTH MN TO PORT WING WI-
539 PM CDT FRI APR 10 2026
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE IN THE
NIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE LATE
MORNING AND AFTERNOON. CHANCE OF RAIN IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 10 TO 15 KNOTS. RAIN AND CHANCE OF
THUNDERSTORMS. WAVES 1 TO 2 FEET.
SUNDAY
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. RAIN THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-110400-
PORT WING TO SAND ISLAND WI-
539 PM CDT FRI APR 10 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
SATURDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 TO 10 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS. RAIN AND CHANCE OF
THUNDERSTORMS. WAVES 1 FOOT OR LESS.
SUNDAY
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. RAIN THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-110400-
SAND ISLAND TO BAYFIELD WI-
539 PM CDT FRI APR 10 2026
TONIGHT
SOUTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
SATURDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. RAIN THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-110400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
539 PM CDT FRI APR 10 2026
TONIGHT
SOUTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
SATURDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. RAIN AND SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING SOUTH 5 TO
10 KNOTS LATE IN THE AFTERNOON. RAIN THROUGH THE DAY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-110400-
OAK POINT TO SAXON HARBOR WI-
539 PM CDT FRI APR 10 2026
TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. RAIN AND CHANCE OF THUNDERSTORMS. WAVES
1 TO 2 FEET.
SUNDAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS. RAIN
THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
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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