545
FZUS53 KDLH 101113
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
612 AM CDT MON AUG 10 2026
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.
LSZ140-101600-
GRAND PORTAGE TO GRAND MARAIS MN-
612 AM CDT MON AUG 10 2026
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
MORNING, THEN BECOMING SOUTH IN THE AFTERNOON. PARTLY SUNNY.
WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST IN THE
LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT
OR LESS.
LSZ141-101600-
GRAND MARAIS TO TACONITE HARBOR MN-
612 AM CDT MON AUG 10 2026
TODAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHEAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTH
5 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ142-101600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
612 AM CDT MON AUG 10 2026
TODAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND OVERNIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
TUESDAY
NORTH WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHEAST 5 KNOTS EARLY
IN THE AFTERNOON BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT
CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. 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.
LSZ143-101600-
SILVER BAY HARBOR TO TWO HARBORS MN-
612 AM CDT MON AUG 10 2026
TODAY
SOUTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE EVENING
AND OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH AFTER
MIDNIGHT, THEN BECOMING VARIABLE 10 KNOTS OR LESS EARLY IN THE
MORNING. 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.
LSZ144-101600-
TWO HARBORS TO DULUTH MN-
612 AM CDT MON AUG 10 2026
TODAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHEAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH EARLY IN
THE MORNING. 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.
LSZ145-101600-
DULUTH MN TO PORT WING WI-
612 AM CDT MON AUG 10 2026
TODAY
SOUTHWEST WIND 5 KNOTS. PATCHY FOG EARLY IN THE MORNING.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING EAST IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHEAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH EARLY IN
THE MORNING. 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.
LSZ146-101600-
PORT WING TO SAND ISLAND WI-
612 AM CDT MON AUG 10 2026
TODAY
SOUTHWEST WIND 5 KNOTS. PATCHY FOG EARLY IN THE MORNING.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT BECOMING
NORTHEAST EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS IN
THE MORNING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ147-101600-
SAND ISLAND TO BAYFIELD WI-
612 AM CDT MON AUG 10 2026
TODAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE AFTERNOON.
PATCHY FOG EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT, THEN
BECOMING VARIABLE 10 KNOTS OR LESS EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT
OR LESS.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 1 FOOT
OR LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ150-101600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
612 AM CDT MON AUG 10 2026
TODAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE AFTERNOON.
PATCHY FOG EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES
1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH EARLY IN
THE MORNING. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ121-101600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
612 AM CDT MON AUG 10 2026
TODAY
WEST WIND 5 KNOTS BECOMING NORTH EARLY IN THE AFTERNOON,
THEN BECOMING NORTHEAST LATE IN THE AFTERNOON. PATCHY FOG EARLY
IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING WEST IN THE LATE EVENING
AND EARLY MORNING, THEN BECOMING VARIABLE 10 KNOTS OR LESS EARLY
IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ148-101600-
OAK POINT TO SAXON HARBOR WI-
612 AM CDT MON AUG 10 2026
TODAY
WEST WIND 5 KNOTS BECOMING NORTH EARLY IN THE AFTERNOON,
THEN BECOMING EAST LATE IN THE AFTERNOON. PATCHY FOG EARLY IN THE
MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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