592
FZUS53 KDLH 111953
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
253 PM CDT TUE AUG 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.
LSZ140-120400-
GRAND PORTAGE TO GRAND MARAIS MN-
253 PM CDT TUE AUG 11 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
LATE MORNING AND AFTERNOON. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING NORTH IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST EARLY IN THE
AFTERNOON, THEN BECOMING SOUTH LATE IN THE AFTERNOON. MOSTLY
CLOUDY IN THE MORNING THEN BECOMING MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ141-120400-
GRAND MARAIS TO TACONITE HARBOR MN-
253 PM CDT TUE AUG 11 2026
TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH IN THE
LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-120400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
253 PM CDT TUE AUG 11 2026
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY FOG IN THE
LATE EVENING AND EARLY MORNING. AREAS OF DENSE FOG LATE IN THE
NIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST
5 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
NORTH WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING EAST 5 KNOTS EARLY IN
THE AFTERNOON BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY
IN THE MORNING THEN BECOMING MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-120400-
SILVER BAY HARBOR TO TWO HARBORS MN-
253 PM CDT TUE AUG 11 2026
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY FOG IN THE
LATE EVENING AND EARLY MORNING. AREAS OF DENSE FOG LATE IN THE
NIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY DENSE FOG IN
THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTH
5 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY IN THE MORNING
THEN BECOMING MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-120400-
TWO HARBORS TO DULUTH MN-
253 PM CDT TUE AUG 11 2026
TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST
5 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
EAST LATE IN THE AFTERNOON. PATCHY DENSE FOG IN THE MORNING.
WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY IN THE MORNING
THEN BECOMING MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-120400-
DULUTH MN TO PORT WING WI-
253 PM CDT TUE AUG 11 2026
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WIDESPREAD
DENSE FOG LATE IN THE NIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY DENSE FOG IN
THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY IN THE
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-120400-
PORT WING TO SAND ISLAND WI-
253 PM CDT TUE AUG 11 2026
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY FOG AFTER
MIDNIGHT. WIDESPREAD DENSE FOG LATE IN THE NIGHT. WAVES 1 FOOT OR
LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS. WIDESPREAD DENSE
FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING
NORTHEAST 5 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ147-120400-
SAND ISLAND TO BAYFIELD WI-
253 PM CDT TUE AUG 11 2026
TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WIDESPREAD
DENSE FOG LATE IN THE NIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS LATE IN THE AFTERNOON. WIDESPREAD DENSE FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING
NORTHEAST 5 KNOTS EARLY IN THE MORNING. CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS. PARTLY SUNNY IN THE MORNING
THEN CLEARING. WAVES 1 FOOT OR LESS.
LSZ150-120400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
253 PM CDT TUE AUG 11 2026
TONIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY DENSE FOG IN THE LATE EVENING
AND OVERNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING SOUTHEAST LATE IN
THE AFTERNOON. AREAS OF DENSE FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS BECOMING NORTHEAST AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT
OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ121-120400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
253 PM CDT TUE AUG 11 2026
TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. AREAS OF FOG LATE IN THE NIGHT. WAVES
1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. AREAS OF DENSE FOG IN THE MORNING.
WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 TO 10 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
LSZ148-120400-
OAK POINT TO SAXON HARBOR WI-
253 PM CDT TUE AUG 11 2026
TONIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG LATE IN THE NIGHT. WAVES
1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS IN THE AFTERNOON. AREAS OF DENSE FOG IN THE MORNING.
WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHEAST
5 KNOTS EARLY IN THE MORNING. CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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