672
FZUS53 KDLH 232044
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
343 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.
LSZ140-240400-
GRAND PORTAGE TO GRAND MARAIS MN-
343 PM CDT THU OCT 23 2025
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SCATTERED SPRINKLES EARLY IN THE EVENING. WAVES 1 TO
2 FEET.
FRIDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 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.
LSZ141-240400-
GRAND MARAIS TO TACONITE HARBOR MN-
343 PM CDT THU OCT 23 2025
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. SCATTERED SPRINKLES
EARLY IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 TO 10 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.
LSZ142-240400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
343 PM CDT THU OCT 23 2025
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. 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.
LSZ143-240400-
SILVER BAY HARBOR TO TWO HARBORS MN-
343 PM CDT THU OCT 23 2025
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 SOUTH 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.
LSZ144-240400-
TWO HARBORS TO DULUTH MN-
343 PM CDT THU OCT 23 2025
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.
LSZ145-240400-
DULUTH MN TO PORT WING WI-
343 PM CDT THU OCT 23 2025
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY EARLY IN
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 1 TO 2 FEET.
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.
LSZ146-240400-
PORT WING TO SAND ISLAND WI-
343 PM CDT THU OCT 23 2025
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. MOSTLY CLOUDY EARLY IN
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING WEST 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.
LSZ147-240400-
SAND ISLAND TO BAYFIELD WI-
343 PM CDT THU OCT 23 2025
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. SCATTERED SPRINKLES
EARLY IN THE EVENING. WAVES 1 TO 2 FEET.
FRIDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST 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.
LSZ150-240400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
343 PM CDT THU OCT 23 2025
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. SCATTERED SPRINKLES EARLY IN THE EVENING.
WAVES 1 TO 3 FEET.
FRIDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 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.
LSZ121-240400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
343 PM CDT THU OCT 23 2025
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. SCATTERED SPRINKLES
EARLY IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTH 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.
LSZ148-240400-
OAK POINT TO SAXON HARBOR WI-
343 PM CDT THU OCT 23 2025
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. SCATTERED SPRINKLES
EARLY IN THE EVENING. WAVES 1 TO 2 FEET.
FRIDAY
WEST WIND 5 TO 10 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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