791
FZUS53 KDLH 102213
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
513 PM CDT MON AUG 10 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.
LSZ140-110400-
GRAND PORTAGE TO GRAND MARAIS MN-
513 PM CDT MON AUG 10 2026
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 5 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
MORNING, THEN BECOMING SOUTH IN THE AFTERNOON. SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ141-110400-
GRAND MARAIS TO TACONITE HARBOR MN-
513 PM CDT MON AUG 10 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE NIGHT. WAVES
1 FOOT OR LESS.
TUESDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
MORNING, THEN BECOMING SOUTH IN THE AFTERNOON. SLIGHT CHANCE OF
RAIN SHOWERS IN THE MORNING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS LATE IN THE MORNING, THEN BECOMING SOUTHWEST IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
LSZ142-110400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
513 PM CDT MON AUG 10 2026
TONIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS. SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ143-110400-
SILVER BAY HARBOR TO TWO HARBORS MN-
513 PM CDT MON AUG 10 2026
TONIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS. SLIGHT CHANCE OF
RAIN SHOWERS. WAVES 1 FOOT OR LESS.
LSZ144-110400-
TWO HARBORS TO DULUTH MN-
513 PM CDT MON AUG 10 2026
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH LATE IN THE EVENING,
THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF RAIN
SHOWERS THROUGH THE DAY. WAVES 1 FOOT OR LESS.
LSZ145-110400-
DULUTH MN TO PORT WING WI-
513 PM CDT MON AUG 10 2026
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ146-110400-
PORT WING TO SAND ISLAND WI-
513 PM CDT MON AUG 10 2026
TONIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. PARTLY SUNNY IN THE MORNING THEN
CLEARING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ147-110400-
SAND ISLAND TO BAYFIELD WI-
513 PM CDT MON AUG 10 2026
TONIGHT
SOUTH WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. PARTLY SUNNY IN THE MORNING THEN
CLEARING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-110400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
513 PM CDT MON AUG 10 2026
TONIGHT
SOUTH WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT, THEN
BECOMING VARIABLE 10 KNOTS OR LESS LATE IN THE NIGHT. MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-110400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
513 PM CDT MON AUG 10 2026
TONIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS THROUGH
THE DAY. WAVES 1 FOOT OR LESS.
LSZ148-110400-
OAK POINT TO SAXON HARBOR WI-
513 PM CDT MON AUG 10 2026
TONIGHT
SOUTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
SOUTH, THEN BECOMING SOUTHWEST AFTER MIDNIGHT BECOMING VARIABLE
10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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