442
FZUS53 KDLH 082035
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
335 PM CDT MON SEP 8 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.
LSZ140-141-090415-
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
335 PM CDT MON SEP 8 2025
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTH WITH GUSTS TO AROUND 20 KNOTS LATE IN THE NIGHT.
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
TUESDAY
SOUTHWEST WIND 15 TO 20 KNOTS EASING TO 5 TO 10 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. CHANCE OF RAIN
SHOWERS IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE DAY. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
2 TO 4 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTH LATE IN
THE EVENING, THEN BECOMING NORTHEAST AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN
THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ142-143-090415-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
SILVER BAY HARBOR TO TWO HARBORS MN-
335 PM CDT MON SEP 8 2025
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS BECOMING SOUTHEAST WITH
GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT, THEN BECOMING SOUTHWEST
WITH GUSTS TO AROUND 20 KNOTS LATE IN THE NIGHT. RAIN SHOWERS IN
THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN
SHOWERS LIKELY AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. CHANCE OF RAIN SHOWERS IN THE MORNING. SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE DAY. SLIGHT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTHEAST IN THE
LATE EVENING AND OVERNIGHT. PATCHY FOG THROUGH THE NIGHT. WAVES
1 FOOT OR LESS.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
LSZ144-145-090415-
TWO HARBORS TO DULUTH MN-DULUTH MN TO PORT WING WI-
335 PM CDT MON SEP 8 2025
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH 5 KNOTS LATE IN THE AFTERNOON. PATCHY FOG
IN THE MORNING. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE DAY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTHEAST IN THE
LATE EVENING AND OVERNIGHT. PATCHY FOG THROUGH THE NIGHT. WAVES
1 FOOT OR LESS.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
LSZ146-090415-
PORT WING TO SAND ISLAND WI-
335 PM CDT MON SEP 8 2025
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT.
RAIN SHOWERS IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. RAIN SHOWERS LIKELY AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTHEAST AFTER
MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
LSZ147-090415-
SAND ISLAND TO BAYFIELD WI-
335 PM CDT MON SEP 8 2025
TONIGHT
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST WITH
GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. RAIN SHOWERS AND CHANCE
OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTH AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. PATCHY
FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
LSZ150-090415-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
335 PM CDT MON SEP 8 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH TUESDAY MORNING...
TONIGHT
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST 20 TO 25 KNOTS AFTER MIDNIGHT. RAIN
SHOWERS IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. RAIN SHOWERS LIKELY AFTER MIDNIGHT. WAVES 1 TO 2 FEET
BUILDING TO 3 TO 5 FEET AFTER MIDNIGHT.
TUESDAY
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST 5 TO 10 KNOTS IN THE AFTERNOON.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO
3 FEET.
TUESDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTHEAST AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. PATCHY
FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
LSZ121-090415-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
335 PM CDT MON SEP 8 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH TUESDAY MORNING...
TONIGHT
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST LATE IN
THE NIGHT. GUSTS UP TO 20 KNOTS AFTER MIDNIGHT. RAIN SHOWERS
LIKELY IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTH EARLY IN THE
MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
LSZ148-090415-
OAK POINT TO SAXON HARBOR WI-
335 PM CDT MON SEP 8 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH TUESDAY MORNING...
TONIGHT
SOUTH WIND 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE LATE EVENING AND OVERNIGHT. RAIN SHOWERS LIKELY IN THE
EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING. CHANCE OF SHOWERS THROUGH THE DAY. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTH EARLY IN THE
MORNING. PATCHY FOG THROUGH THE NIGHT. CHANCE OF THUNDERSTORMS IN
THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT.
WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
BJH
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