549
FZUS53 KDLH 062353
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
653 PM CDT THU AUG 6 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.
LSZ140-071000-
GRAND PORTAGE TO GRAND MARAIS MN-
653 PM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS AFTER MIDNIGHT, THEN DECREASING
TO 20 KNOTS TOWARD DAYBREAK. PARTLY CLOUDY. WAVES 2 TO 4 FEET.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL LATE AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE DAY. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 TO 2 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS BECOMING SOUTHWEST WITH
GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES
1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
LSZ141-071000-
GRAND MARAIS TO TACONITE HARBOR MN-
653 PM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST IN THE AFTERNOON.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE DAY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST WITH GUSTS
TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
LSZ142-071000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
653 PM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHWEST 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. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-071000-
SILVER BAY HARBOR TO TWO HARBORS MN-
653 PM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-071000-
TWO HARBORS TO DULUTH MN-
653 PM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING THEN 20 KNOTS AFTER MIDNIGHT.
MOSTLY CLEAR. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE IN
THE AFTERNOON. CHANCE OF SHOWERS THROUGH THE DAY. SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
NORTHWEST 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.
LSZ145-071000-
DULUTH MN TO PORT WING WI-
653 PM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN THE
AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
WAVES 1 TO 2 FEET.
FRIDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-071000-
PORT WING TO SAND ISLAND WI-
653 PM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-071000-
SAND ISLAND TO BAYFIELD WI-
653 PM CDT THU AUG 6 2026
REST OF TONIGHT
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE EVENING AND EARLY MORNING. MOSTLY CLEAR. WAVES 1 FOOT
OR LESS.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-071000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
653 PM CDT THU AUG 6 2026
REST OF TONIGHT
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES
1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE IN
THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-071000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
653 PM CDT THU AUG 6 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
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.
LSZ148-071000-
OAK POINT TO SAXON HARBOR WI-
653 PM CDT THU AUG 6 2026
REST OF TONIGHT
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
TOWARD DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST IN THE AFTERNOON. SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
WEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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