201
FZUS53 KDLH 120251
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
951 PM CDT FRI SEP 11 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.
LSZ140-121000-
GRAND PORTAGE TO GRAND MARAIS MN-
951 PM CDT FRI SEP 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF RAIN SHOWERS LATE IN THE EVENING.
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS
AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
SATURDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND
AFTERNOON.
SATURDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES
1 TO 3 FEET.
SUNDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ141-121000-
GRAND MARAIS TO TACONITE HARBOR MN-
951 PM CDT FRI SEP 11 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING
SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND EARLY
MORNING, THEN CHANCE OF SHOWERS TOWARD DAYBREAK. WAVES 1 TO
2 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-121000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
951 PM CDT FRI SEP 11 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING
SOUTHWEST AFTER MIDNIGHT. CHANCE OF THUNDERSTORMS LATE IN THE
EVENING. SHOWERS THROUGH THE NIGHT. SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
IN THE EVENING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ143-121000-
SILVER BAY HARBOR TO TWO HARBORS MN-
951 PM CDT FRI SEP 11 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS
AFTER MIDNIGHT. SHOWERS AND CHANCE OF THUNDERSTORMS LATE IN THE
EVENING, THEN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. CHANCE OF SHOWERS TOWARD DAYBREAK. WAVES 1 TO
2 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ144-121000-
TWO HARBORS TO DULUTH MN-
951 PM CDT FRI SEP 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST
TOWARD DAYBREAK. GUSTS UP TO 20 KNOTS. SHOWERS LATE IN THE
EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. SHOWERS
LIKELY AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-121000-
DULUTH MN TO PORT WING WI-
951 PM CDT FRI SEP 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING WEST
TOWARD DAYBREAK. GUSTS UP TO 20 KNOTS. RAIN SHOWERS LATE IN THE
EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-121000-
PORT WING TO SAND ISLAND WI-
951 PM CDT FRI SEP 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. GUSTS UP TO 20 KNOTS. CHANCE OF SHOWERS LATE IN
THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
SHOWERS LIKELY AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE
LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
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. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS UNTIL
LATE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-121000-
SAND ISLAND TO BAYFIELD WI-
951 PM CDT FRI SEP 11 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
REST OF TONIGHT
NORTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT. GUSTS UP TO 20 KNOTS. CHANCE OF
SHOWERS LATE IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-121000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
951 PM CDT FRI SEP 11 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
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. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SUNNY. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO
3 FEET.
SUNDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ121-121000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
951 PM CDT FRI SEP 11 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. SHOWERS LIKELY
LATE IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE EVENING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-121000-
OAK POINT TO SAXON HARBOR WI-
951 PM CDT FRI SEP 11 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. SLIGHT CHANCE OF
SHOWERS LATE IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
SATURDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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