889
FZUS53 KDLH 092123
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
422 PM CDT WED SEP 9 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.
LSZ140-100400-
GRAND PORTAGE TO GRAND MARAIS MN-
422 PM CDT WED SEP 9 2026
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS. MOSTLY
CLEAR. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING THEN 20 KNOTS AFTER MIDNIGHT, THEN
INCREASING TO 25 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES
1 TO 2 FEET BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING.
FRIDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE NEEDED.
LSZ141-100400-
GRAND MARAIS TO TACONITE HARBOR MN-
422 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS. MOSTLY
CLEAR. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
THURSDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN
THE EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 TO 3 FEET.
LSZ142-100400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
422 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY
CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH IN THE LATE MORNING
AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN
THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 TO 3 FEET.
LSZ143-100400-
SILVER BAY HARBOR TO TWO HARBORS MN-
422 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS EARLY IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
25 KNOTS LATE IN THE AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO
1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON.
LSZ144-100400-
TWO HARBORS TO DULUTH MN-
422 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 KNOTS LATE IN THE NIGHT. CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
LSZ145-100400-
DULUTH MN TO PORT WING WI-
422 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 KNOTS LATE IN THE NIGHT. CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
LSZ146-100400-
PORT WING TO SAND ISLAND WI-
422 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH 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. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
25 KNOTS LATE IN THE AFTERNOON. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
LSZ147-100400-
SAND ISLAND TO BAYFIELD WI-
422 PM CDT WED SEP 9 2026
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. CLEAR.
WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTH WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE AFTERNOON. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
LSZ150-100400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
422 PM CDT WED SEP 9 2026
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS. MOSTLY
CLEAR. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
FRIDAY
SOUTH WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND
AFTERNOON.
LSZ121-100400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
422 PM CDT WED SEP 9 2026
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 KNOTS LATE IN THE NIGHT. CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTH WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS
IN THE AFTERNOON. WAVES 1 TO 3 FEET.
LSZ148-100400-
OAK POINT TO SAXON HARBOR WI-
422 PM CDT WED SEP 9 2026
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS. CLEAR.
WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING NORTHEAST EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE AFTERNOON. SUNNY.
WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER MIDNIGHT. MOSTLY
CLEAR. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTH WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 35 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 3 FEET. A GALE WARNING MAY BE NEEDED.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page