239
FZUS53 KDLH 061600
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1100 AM 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.
LSZ140-062200-
GRAND PORTAGE TO GRAND MARAIS MN-
1100 AM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
REST OF TODAY
SOUTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. MOSTLY SUNNY. WAVES 3 TO 5 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 2 TO 4 FEET.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE
DAY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE
AFTERNOON.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 TO 2 FEET.
LSZ141-062200-
GRAND MARAIS TO TACONITE HARBOR MN-
1100 AM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE
DAY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ142-062200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1100 AM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL EARLY MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH THE DAY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ143-062200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1100 AM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ144-062200-
TWO HARBORS TO DULUTH MN-
1100 AM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES
1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST LATE IN THE AFTERNOON. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ145-062200-
DULUTH MN TO PORT WING WI-
1100 AM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES
1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 TO 10 KNOTS LATE IN THE AFTERNOON.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO
2 FEET.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ146-062200-
PORT WING TO SAND ISLAND WI-
1100 AM CDT THU AUG 6 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY
IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ147-062200-
SAND ISLAND TO BAYFIELD WI-
1100 AM CDT THU AUG 6 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN THE
AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ150-062200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1100 AM CDT THU AUG 6 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST IN THE AFTERNOON. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ121-062200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1100 AM CDT THU AUG 6 2026
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. GUSTS UP TO 20 KNOTS.
PARTLY CLOUDY. 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. 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.
LSZ148-062200-
OAK POINT TO SAXON HARBOR WI-
1100 AM CDT THU AUG 6 2026
REST OF TODAY
SOUTHWEST WIND 10 KNOTS RISING TO 10 TO 15 KNOTS
IN THE AFTERNOON. GUSTS UP TO 20 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST IN THE AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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