178
FZUS53 KDLH 201405
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
905 AM CDT WED AUG 20 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.
LSZ140-141-202215-
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
905 AM CDT WED AUG 20 2025
REST OF TODAY
EAST WIND 5 KNOTS BECOMING SOUTH IN THE
AFTERNOON. PATCHY FOG LATE IN THE MORNING. AREAS OF FOG IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN THE LATE
EVENING AND OVERNIGHT. AREAS OF DENSE FOG. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH IN THE LATE MORNING
AND AFTERNOON. AREAS OF DENSE FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ142-143-202215-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
SILVER BAY HARBOR TO TWO HARBORS MN-
905 AM CDT WED AUG 20 2025
REST OF TODAY
EAST WIND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. PATCHY FOG EARLY IN THE AFTERNOON. AREAS OF FOG LATE.
WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
EVENING AND OVERNIGHT. PATCHY FOG IN THE EVENING, THEN AREAS OF
DENSE FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST IN THE LATE
MORNING AND AFTERNOON. AREAS OF DENSE FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
LSZ144-145-202215-
TWO HARBORS TO DULUTH MN-DULUTH MN TO PORT WING WI-
905 AM CDT WED AUG 20 2025
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 5 KNOTS. WIDESPREAD DENSE FOG IN
THE LATE MORNING AND EARLY AFTERNOON. PATCHY FOG LATE. WAVES
1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS. AREAS OF DENSE FOG THROUGH THE
NIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 5 KNOTS. AREAS OF DENSE FOG IN THE MORNING.
WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST EARLY
IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ146-202215-
PORT WING TO SAND ISLAND WI-
905 AM CDT WED AUG 20 2025
REST OF TODAY
NORTHEAST WIND 5 KNOTS. PATCHY FOG IN THE LATE
MORNING AND EARLY AFTERNOON. AREAS OF FOG LATE. WAVES 1 FOOT OR
LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHEAST EARLY IN THE
MORNING. PATCHY FOG IN THE EVENING, THEN AREAS OF DENSE FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE MORNING,
THEN BECOMING NORTHEAST IN THE AFTERNOON. AREAS OF DENSE FOG IN
THE MORNING. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN
THE LATE EVENING AND OVERNIGHT. CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ147-202215-
SAND ISLAND TO BAYFIELD WI-
905 AM CDT WED AUG 20 2025
REST OF TODAY
NORTHEAST WIND 5 KNOTS BECOMING EAST LATE.
MOSTLY CLOUDY LATE IN THE MORNING THEN CLEARING. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS. PATCHY FOG IN THE EVENING,
THEN AREAS OF DENSE FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
AREAS OF DENSE FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN
THE LATE EVENING AND OVERNIGHT. CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ150-202215-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
905 AM CDT WED AUG 20 2025
REST OF TODAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST LATE.
PATCHY FOG EARLY IN THE AFTERNOON. AREAS OF FOG LATE. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING SOUTHEAST EARLY IN THE
MORNING. AREAS OF DENSE FOG THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. AREAS OF DENSE FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST EARLY
IN THE MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ121-202215-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
905 AM CDT WED AUG 20 2025
REST OF TODAY
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY IN THE
LATE MORNING AND EARLY AFTERNOON THEN CLEARING. WAVES 1 FOOT OR
LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTH EARLY IN THE MORNING.
AREAS OF DENSE FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. AREAS OF DENSE FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ148-202215-
OAK POINT TO SAXON HARBOR WI-
905 AM CDT WED AUG 20 2025
REST OF TODAY
NORTHEAST WIND 5 KNOTS. PATCHY FOG IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTH EARLY IN THE MORNING.
AREAS OF DENSE FOG. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 5 KNOTS BECOMING EAST IN THE
AFTERNOON. AREAS OF DENSE FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
PA
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