820
FZUS53 KDLH 151408
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
908 AM CDT SAT AUG 15 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.
LSZ140-152200-
GRAND PORTAGE TO GRAND MARAIS MN-
908 AM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS LATE IN
THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. SLIGHT
CHANCE OF THUNDERSTORMS LATE. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTH 5 KNOTS AFTER MIDNIGHT, THEN BECOMING
WEST EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. PATCHY FOG THROUGH THE
NIGHT. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
SUNDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ141-152200-
GRAND MARAIS TO TACONITE HARBOR MN-
908 AM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. CHANCE OF RAIN SHOWERS IN THE LATE MORNING AND
EARLY AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
RAIN SHOWERS LIKELY LATE. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. PATCHY
FOG THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE MORNING. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
NORTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ142-152200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
908 AM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS LATE IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS EARLY IN
THE MORNING. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. PATCHY FOG THROUGH THE NIGHT. WAVES
1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
SUNDAY NIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ143-152200-
SILVER BAY HARBOR TO TWO HARBORS MN-
908 AM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. CHANCE OF RAIN SHOWERS IN THE LATE MORNING AND
EARLY AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY.
RAIN SHOWERS LIKELY LATE. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST AFTER
MIDNIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. PATCHY FOG THROUGH THE NIGHT. WAVES
1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
SUNDAY NIGHT
NORTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ144-152200-
TWO HARBORS TO DULUTH MN-
908 AM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. PATCHY FOG THROUGH
THE NIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
SUNDAY NIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ145-152200-
DULUTH MN TO PORT WING WI-
908 AM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT, THEN BECOMING WEST EARLY IN THE MORNING. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. PATCHY
FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
SUNDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ146-152200-
PORT WING TO SAND ISLAND WI-
908 AM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS THROUGH THE
DAY. SLIGHT CHANCE OF THUNDERSTORMS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
SUNDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
SUNDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ147-152200-
SAND ISLAND TO BAYFIELD WI-
908 AM CDT SAT AUG 15 2026
REST OF TODAY
EAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS LATE IN THE MORNING, THEN CHANCE OF SHOWERS IN THE
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS LATE. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT, THEN BECOMING WEST EARLY IN THE MORNING. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. PATCHY
FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE MORNING. SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ150-152200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
908 AM CDT SAT AUG 15 2026
REST OF TODAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING,
THEN CHANCE OF SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING. PATCHY FOG THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS UNTIL
LATE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ121-152200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
908 AM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE. SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING, THEN
CHANCE OF SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. CHANCE OF SHOWERS IN THE
EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
SUNDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ148-152200-
OAK POINT TO SAXON HARBOR WI-
908 AM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE. SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING, THEN
CHANCE OF SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE MORNING. PATCHY FOG THROUGH THE NIGHT. CHANCE OF SHOWERS IN
THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES 1 FOOT
OR LESS.
SUNDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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