642
FZUS53 KDLH 240147
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
847 PM CDT THU OCT 23 2025
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.
LSZ140-241000-
GRAND PORTAGE TO GRAND MARAIS MN-
847 PM CDT THU OCT 23 2025
REST OF TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHWEST
15 TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. SCATTERED
SPRINKLES EARLY IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
EVENING AND OVERNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
LSZ141-241000-
GRAND MARAIS TO TACONITE HARBOR MN-
847 PM CDT THU OCT 23 2025
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLOUDY EARLY IN THE EVENING
THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
SATURDAY
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ142-241000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
847 PM CDT THU OCT 23 2025
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLOUDY EARLY IN THE EVENING
THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
SATURDAY
SOUTHEAST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ143-241000-
SILVER BAY HARBOR TO TWO HARBORS MN-
847 PM CDT THU OCT 23 2025
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLOUDY EARLY IN THE EVENING
THEN CLEARING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH EARLY IN THE
AFTERNOON, THEN BECOMING SOUTH 5 KNOTS LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTHEAST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ144-241000-
TWO HARBORS TO DULUTH MN-
847 PM CDT THU OCT 23 2025
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY
EARLY IN THE EVENING THEN CLEARING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
SATURDAY
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ145-241000-
DULUTH MN TO PORT WING WI-
847 PM CDT THU OCT 23 2025
REST OF TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLOUDY EARLY IN THE EVENING
THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ146-241000-
PORT WING TO SAND ISLAND WI-
847 PM CDT THU OCT 23 2025
REST OF TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLOUDY EARLY IN THE EVENING
THEN BECOMING PARTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ147-241000-
SAND ISLAND TO BAYFIELD WI-
847 PM CDT THU OCT 23 2025
REST OF TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ150-241000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
847 PM CDT THU OCT 23 2025
REST OF TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
FRIDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ121-241000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
847 PM CDT THU OCT 23 2025
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS RISING TO 10 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ148-241000-
OAK POINT TO SAXON HARBOR WI-
847 PM CDT THU OCT 23 2025
REST OF TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. SCATTERED
SPRINKLES EARLY IN THE EVENING. WAVES 1 TO 2 FEET.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT
OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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