463
FZUS53 KDLH 071317
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
817 AM CDT FRI AUG 7 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.
LSZ140-072200-
GRAND PORTAGE TO GRAND MARAIS MN-
817 AM CDT FRI AUG 7 2026
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
MORNING. CHANCE OF RAIN SHOWERS THROUGH THE DAY. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLOUDY IN THE EVENING THEN
CLEARING. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
EARLY IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
LSZ141-072200-
GRAND MARAIS TO TACONITE HARBOR MN-
817 AM CDT FRI AUG 7 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS
THROUGH THE DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES
1 TO 2 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ142-072200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
817 AM CDT FRI AUG 7 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS
EARLY IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS IN THE LATE
MORNING AND EARLY AFTERNOON, THEN CHANCE OF THUNDERSTORMS AND
SLIGHT CHANCE OF RAIN SHOWERS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
SATURDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST WITH GUSTS TO
AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST LATE IN
THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT BECOMING WEST 5 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF RAIN SHOWERS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ143-072200-
SILVER BAY HARBOR TO TWO HARBORS MN-
817 AM CDT FRI AUG 7 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS
THROUGH THE DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
SATURDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST WITH GUSTS TO
AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
SATURDAY NIGHT
WEST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT
OR LESS.
LSZ144-072200-
TWO HARBORS TO DULUTH MN-
817 AM CDT FRI AUG 7 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
EARLY IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE
DAY. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT
OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
IN THE LATE EVENING AND OVERNIGHT. 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.
LSZ145-072200-
DULUTH MN TO PORT WING WI-
817 AM CDT FRI AUG 7 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. CHANCE OF SHOWERS THROUGH THE
DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
TONIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS EARLY
IN THE MORNING. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ146-072200-
PORT WING TO SAND ISLAND WI-
817 AM CDT FRI AUG 7 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE
MORNING. CHANCE OF SHOWERS IN THE LATE MORNING AND AFTERNOON.
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ147-072200-
SAND ISLAND TO BAYFIELD WI-
817 AM CDT FRI AUG 7 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE
MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ150-072200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
817 AM CDT FRI AUG 7 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN
THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN
THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING, THEN
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ121-072200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
817 AM CDT FRI AUG 7 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST IN THE AFTERNOON. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING, THEN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT
OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTHWEST AFTER MIDNIGHT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES
1 FOOT OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. CHANCE OF SHOWERS THROUGH THE NIGHT. SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ148-072200-
OAK POINT TO SAXON HARBOR WI-
817 AM CDT FRI AUG 7 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST EARLY IN THE AFTERNOON, THEN
BECOMING SOUTHWEST LATE. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING, THEN SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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