204
FZUS53 KDLH 091957
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
257 PM CDT SUN AUG 9 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.
LSZ140-100400-
GRAND PORTAGE TO GRAND MARAIS MN-
257 PM CDT SUN AUG 9 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST AFTER
MIDNIGHT. PATCHY FOG IN THE LATE EVENING AND EARLY MORNING. WAVES
1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS IN THE LATE MORNING AND AFTERNOON.
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 5 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
NORTH WIND 5 KNOTS BECOMING EAST LATE IN THE MORNING,
THEN BECOMING SOUTH IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ141-100400-
GRAND MARAIS TO TACONITE HARBOR MN-
257 PM CDT SUN AUG 9 2026
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND OVERNIGHT. PATCHY FOG IN THE LATE EVENING AND EARLY
MORNING. WAVES 1 FOOT OR LESS.
MONDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST WITH GUSTS TO
AROUND 20 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
LATE IN THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS
AFTER MIDNIGHT BECOMING NORTH 5 KNOTS EARLY IN THE MORNING.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
MORNING, THEN BECOMING SOUTH EARLY IN THE AFTERNOON BECOMING
SOUTHWEST LATE IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ142-100400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
257 PM CDT SUN AUG 9 2026
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHWEST
5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ143-100400-
SILVER BAY HARBOR TO TWO HARBORS MN-
257 PM CDT SUN AUG 9 2026
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLOUDY IN THE
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-100400-
TWO HARBORS TO DULUTH MN-
257 PM CDT SUN AUG 9 2026
TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHWEST 5 KNOTS AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH LATE IN THE
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ145-100400-
DULUTH MN TO PORT WING WI-
257 PM CDT SUN AUG 9 2026
TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHWEST 5 KNOTS AFTER
MIDNIGHT BECOMING WEST. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ146-100400-
PORT WING TO SAND ISLAND WI-
257 PM CDT SUN AUG 9 2026
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-100400-
SAND ISLAND TO BAYFIELD WI-
257 PM CDT SUN AUG 9 2026
TONIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS IN THE MORNING BECOMING VARIABLE
10 KNOTS OR LESS, THEN BECOMING SOUTHEAST 5 KNOTS LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-100400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
257 PM CDT SUN AUG 9 2026
TONIGHT
SOUTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-100400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
257 PM CDT SUN AUG 9 2026
TONIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS LATE IN THE
NIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-100400-
OAK POINT TO SAXON HARBOR WI-
257 PM CDT SUN AUG 9 2026
TONIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT, THEN BECOMING VARIABLE 10 KNOTS OR LESS EARLY IN THE
MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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