053
FZUS53 KDLH 090746
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
246 AM CDT SUN AUG 9 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.
LSZ140-091600-
GRAND PORTAGE TO GRAND MARAIS MN-
246 AM CDT SUN AUG 9 2026
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 FOOT
OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. PATCHY FOG IN THE EVENING. WAVES 1 FOOT OR LESS.
MONDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST WITH GUSTS TO
AROUND 20 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY. WAVES
1 TO 2 FEET.
MONDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ141-091600-
GRAND MARAIS TO TACONITE HARBOR MN-
246 AM CDT SUN AUG 9 2026
TODAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 FOOT
OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTHWEST AFTER MIDNIGHT.
PATCHY FOG IN THE EVENING. WAVES 1 FOOT OR LESS.
MONDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-091600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
246 AM CDT SUN AUG 9 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTH 5 KNOTS
IN THE LATE MORNING AND AFTERNOON. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 FOOT
OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST LATE IN
THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ143-091600-
SILVER BAY HARBOR TO TWO HARBORS MN-
246 AM CDT SUN AUG 9 2026
TODAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING AND
EARLY AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE AFTERNOON.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS EARLY
IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHWEST
5 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY
SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING VARIABLE 10 KNOTS OR
LESS EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ144-091600-
TWO HARBORS TO DULUTH MN-
246 AM CDT SUN AUG 9 2026
TODAY
EAST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTH WIND 5 KNOTS BECOMING WEST EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ145-091600-
DULUTH MN TO PORT WING WI-
246 AM CDT SUN AUG 9 2026
TODAY
EAST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE MORNING
AND AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY
IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING WEST EARLY IN THE
MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING EAST LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ146-091600-
PORT WING TO SAND ISLAND WI-
246 AM CDT SUN AUG 9 2026
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND EARLY AFTERNOON, THEN BECOMING EAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN
THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING WEST 5 KNOTS
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ147-091600-
SAND ISLAND TO BAYFIELD WI-
246 AM CDT SUN AUG 9 2026
TODAY
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE MORNING,
THEN BECOMING NORTHEAST EARLY IN THE AFTERNOON BECOMING EAST LATE
IN THE AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ150-091600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
246 AM CDT SUN AUG 9 2026
TODAY
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE MORNING,
THEN BECOMING NORTHEAST EARLY IN THE AFTERNOON BECOMING EAST LATE
IN THE AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ121-091600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
246 AM CDT SUN AUG 9 2026
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 KNOTS BECOMING NORTH EARLY IN THE
AFTERNOON, THEN BECOMING NORTHEAST LATE IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ148-091600-
OAK POINT TO SAXON HARBOR WI-
246 AM CDT SUN AUG 9 2026
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
MORNING, THEN BECOMING NORTHEAST EARLY IN THE AFTERNOON BECOMING
EAST LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page