878
FZUS53 KDLH 160859
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
359 AM CDT TUE SEP 16 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.
LSZ140-141-161615-
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
359 AM CDT TUE SEP 16 2025
TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. AREAS OF
DENSE FOG EARLY IN THE MORNING, THEN PATCHY FOG IN THE LATE
MORNING AND EARLY AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING WEST IN THE LATE
EVENING AND OVERNIGHT. PATCHY FOG IN THE EVENING. SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ142-161615-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
359 AM CDT TUE SEP 16 2025
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
LATE IN THE MORNING, THEN BECOMING SOUTH IN THE AFTERNOON. PATCHY
DENSE FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING WEST
5 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
VARIABLE 10 KNOTS OR LESS LATE IN THE AFTERNOON. SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS
THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ143-161615-
SILVER BAY HARBOR TO TWO HARBORS MN-
359 AM CDT TUE SEP 16 2025
TODAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
AREAS OF DENSE FOG EARLY IN THE MORNING, THEN PATCHY FOG LATE IN
THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT.
WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING SOUTH LATE IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH THE DAY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 FOOT OR LESS.
LSZ144-145-161615-
TWO HARBORS TO DULUTH MN-DULUTH MN TO PORT WING WI-
359 AM CDT TUE SEP 16 2025
TODAY
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST IN THE LATE
MORNING AND AFTERNOON. AREAS OF DENSE FOG EARLY IN THE MORNING,
THEN PATCHY FOG LATE IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT.
PATCHY FOG IN THE EVENING. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING NORTHWEST EARLY IN THE
AFTERNOON, THEN BECOMING NORTHEAST LATE IN THE AFTERNOON. SLIGHT
CHANCE OF RAIN SHOWERS IN THE MORNING. SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE DAY. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
LSZ146-161615-
PORT WING TO SAND ISLAND WI-
359 AM CDT TUE SEP 16 2025
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING WEST LATE IN THE
MORNING, THEN BECOMING NORTHEAST EARLY IN THE AFTERNOON BECOMING
EAST LATE IN THE AFTERNOON. AREAS OF DENSE FOG EARLY IN THE
MORNING, THEN PATCHY FOG LATE IN THE MORNING. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
EVENING AND OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH THE NIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
WEDNESDAY
WEST WIND 5 KNOTS IN THE MORNING BECOMING VARIABLE
10 KNOTS OR LESS. PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH THE DAY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
LSZ147-161615-
SAND ISLAND TO BAYFIELD WI-
359 AM CDT TUE SEP 16 2025
TODAY
SOUTH WIND 5 KNOTS. AREAS OF DENSE FOG EARLY IN THE
MORNING, THEN PATCHY FOG LATE IN THE MORNING. WAVES 1 FOOT OR
LESS.
TONIGHT
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.
WEDNESDAY
WEST WIND 5 KNOTS. PATCHY FOG IN THE MORNING. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE DAY. WAVES 1 FOOT
OR LESS.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT.
WAVES 1 FOOT OR LESS.
LSZ121-161615-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
359 AM CDT TUE SEP 16 2025
TODAY
SOUTH WIND 5 TO 10 KNOTS. PATCHY FOG EARLY IN THE
MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING NORTHWEST LATE IN THE
MORNING, THEN BECOMING NORTHEAST IN THE AFTERNOON. SLIGHT CHANCE
OF SHOWERS IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE DAY. CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
LSZ148-161615-
OAK POINT TO SAXON HARBOR WI-
359 AM CDT TUE SEP 16 2025
TODAY
SOUTH WIND 5 TO 10 KNOTS. PATCHY FOG EARLY IN THE
MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST LATE IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH THE DAY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ150-161615-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
359 AM CDT TUE SEP 16 2025
TODAY
SOUTH WIND 5 TO 10 KNOTS. AREAS OF DENSE FOG EARLY IN
THE MORNING. PATCHY FOG LATE IN THE MORNING. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
EVENING AND OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS. PATCHY FOG IN THE MORNING. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE DAY. WAVES 1 FOOT
OR LESS.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST WITH
GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT.
SLIGHT CHANCE OF RAIN SHOWERS. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
HA
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