856
FZUS53 KDLH 151822
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 PM 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-
122 PM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE. CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON,
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS LATE.
WAVES 1 TO 3 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 THUNDERSTORMS IN THE
EVENING. CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. SLIGHT CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY 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-
122 PM CDT SAT AUG 15 2026
REST OF TODAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON. SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE DAY. 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 SHOWERS
AND THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. 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-
122 PM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS LATE. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS THROUGH THE DAY. CHANCE OF
THUNDERSTORMS LATE. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST AFTER
MIDNIGHT. CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN
SHOWERS 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 TO 2 FEET.
SUNDAY NIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ143-152200-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 PM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS THROUGH THE DAY. CHANCE OF
THUNDERSTORMS LATE. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST AFTER
MIDNIGHT. CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN
SHOWERS THROUGH THE NIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
SUNDAY NIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ144-152200-
TWO HARBORS TO DULUTH MN-
122 PM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS THROUGH THE DAY. CHANCE OF
THUNDERSTORMS LATE. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST AFTER MIDNIGHT. CHANCE OF THUNDERSTORMS IN
THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. PATCHY FOG
AFTER MIDNIGHT. 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. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ145-152200-
DULUTH MN TO PORT WING WI-
122 PM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS THROUGH THE DAY. CHANCE OF
THUNDERSTORMS LATE. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT, THEN BECOMING WEST EARLY IN THE MORNING. CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE
NIGHT. PATCHY FOG AFTER MIDNIGHT. 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 BECOMING WEST EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ146-152200-
PORT WING TO SAND ISLAND WI-
122 PM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS LATE. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE MORNING. CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF
RAIN SHOWERS THROUGH THE NIGHT. SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
SUNDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ147-152200-
SAND ISLAND TO BAYFIELD WI-
122 PM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT, THEN BECOMING WEST EARLY IN THE MORNING. CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF SHOWERS THROUGH THE
NIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE MORNING. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES
1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ150-152200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 PM CDT SAT AUG 15 2026
REST OF TODAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
LATE. CHANCE OF SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
THUNDERSTORMS LATE. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS EASING TO 5 KNOTS LATE
IN THE EVENING, THEN BECOMING NORTHWEST AFTER MIDNIGHT. CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE
NIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS UNTIL
LATE AFTERNOON. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES
1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ121-152200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
122 PM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. SHOWERS LIKELY IN THE EVENING. CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT
OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 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.
LSZ148-152200-
OAK POINT TO SAXON HARBOR WI-
122 PM CDT SAT AUG 15 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE. CHANCE OF SHOWERS THROUGH THE DAY. SLIGHT CHANCE
OF THUNDERSTORMS LATE. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE MORNING. SHOWERS LIKELY IN THE EVENING. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF SHOWERS AFTER
MIDNIGHT. 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.
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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