276
FZUS53 KDLH 170250
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
950 PM CDT TUE SEP 16 2025
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.
LSZ140-141-171015-
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
950 PM CDT TUE SEP 16 2025
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST
TOWARD DAYBREAK. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE
IN THE EVENING. PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST
10 TO 15 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.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ142-171015-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
950 PM CDT TUE SEP 16 2025
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE
EVENING. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS BECOMING NORTHEAST WITH
GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT.
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
THURSDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET.
LSZ143-171015-
SILVER BAY HARBOR TO TWO HARBORS MN-
950 PM CDT TUE SEP 16 2025
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. PATCHY FOG TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET.
LSZ144-145-171015-
TWO HARBORS TO DULUTH MN-DULUTH MN TO PORT WING WI-
950 PM CDT TUE SEP 16 2025
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 TO
2 FEET.
THURSDAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO
2 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
LSZ146-171015-
PORT WING TO SAND ISLAND WI-
950 PM CDT TUE SEP 16 2025
REST OF TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING NORTHEAST EARLY IN THE
AFTERNOON, THEN BECOMING EAST LATE IN THE AFTERNOON. PATCHY FOG
IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
LSZ147-171015-
SAND ISLAND TO BAYFIELD WI-
950 PM CDT TUE SEP 16 2025
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. PATCHY FOG TOWARD
DAYBREAK. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST EARLY IN
THE AFTERNOON, THEN BECOMING EAST LATE IN THE AFTERNOON. PATCHY
FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
LSZ121-171015-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
950 PM CDT TUE SEP 16 2025
REST OF TONIGHT
WEST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE DAY. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
LSZ148-171015-
OAK POINT TO SAXON HARBOR WI-
950 PM CDT TUE SEP 16 2025
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
SLIGHT CHANCE OF SHOWERS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE DAY. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
LSZ150-171015-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
950 PM CDT TUE SEP 16 2025
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS BECOMING NORTHEAST 10 TO
15 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.
THURSDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND
AFTERNOON.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
KML
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