Extreme heat will begin to peak across the Desert Southwest. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Poor air quality persists from the Upper Midwest into the Northeast due to wildfire smoke. Read More >
FZUS53 KDLH 060853
NSTDLH
EXPERIMENTAL TABULAR NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
353 AM CDT WED AUG 6 2025
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.
LSZ140-141-061500-
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
353 AM CDT WED AUG 6 2025
.TODAY...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND PATCHY
SMOKE, THEN MOSTLY CLOUDY EARLY IN THE
AFTERNOON.
SFC WINDS...........EAST 10 TO 15 KNOTS.
100-FT WINDS........EAST 15 TO 20 KNOTS.
SIG WAVES...........1 TO 3 FEET.
.TONIGHT...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS, THEN
MOSTLY CLOUDY WITH SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS IN THE LATE EVENING AND EARLY
MORNING. MOSTLY CLOUDY WITH CHANCE OF SHOWERS
AND THUNDERSTORMS.
SFC WINDS...........EAST 10 TO 15 KNOTS BECOMING SOUTHEAST 5 TO 10
KNOTS AFTER MIDNIGHT.
100-FT WINDS........EAST 15 TO 20 KNOTS BECOMING SOUTHEAST 10 TO 15
KNOTS AFTER MIDNIGHT.
SIG WAVES...........2 TO 4 FEET.
.THURSDAY...
WEATHER.............MOSTLY SUNNY.
SFC WINDS...........SOUTH 5 TO 10 KNOTS.
100-FT WINDS........SOUTH 10 TO 15 KNOTS.
SIG WAVES...........1 TO 3 FEET.
.THURSDAY NIGHT...
WEATHER.............PARTLY CLOUDY.
SFC WINDS...........SOUTHWEST 5 TO 10 KNOTS EARLY IN THE EVENING
BECOMING LIGHT AND VARIABLE.
100-FT WINDS........SOUTHWEST 10 TO 15 KNOTS EARLY IN THE EVENING
BECOMING LIGHT AND VARIABLE.
SIG WAVES...........1 TO 3 FEET.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...CHANCE OF THUNDERSTORMS. CHANCE OF SHOWERS. SOUTHWEST
WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
$$
LSZ142-143-061500-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
SILVER BAY HARBOR TO TWO HARBORS MN-
353 AM CDT WED AUG 6 2025
.TODAY...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND PATCHY
SMOKE, THEN MOSTLY CLOUDY WITH CHANCE OF
SHOWERS EARLY IN THE AFTERNOON.
SFC WINDS...........NORTHEAST 5 TO 10 KNOTS.
100-FT WINDS........NORTHEAST 10 TO 15 KNOTS.
SIG WAVES...........1 TO 3 FEET.
.TONIGHT...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS.
SFC WINDS...........NORTHEAST 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING LIGHT AND VARIABLE.
100-FT WINDS........NORTHEAST 10 TO 15 KNOTS UNTIL EARLY MORNING
BECOMING LIGHT AND VARIABLE.
SIG WAVES...........1 TO 3 FEET.
.THURSDAY...
WEATHER.............MOSTLY SUNNY.
SFC WINDS...........LIGHT AND VARIABLE WINDS BECOMING SOUTH 5 TO 10
KNOTS IN THE LATE MORNING AND AFTERNOON.
100-FT WINDS........LIGHT AND VARIABLE WINDS BECOMING SOUTH 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON.
SIG WAVES...........2 FEET OR LESS.
.THURSDAY NIGHT...
WEATHER.............PARTLY CLOUDY.
SFC WINDS...........LIGHT AND VARIABLE WINDS.
100-FT WINDS........LIGHT AND VARIABLE WINDS.
SIG WAVES...........2 FEET OR LESS.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...CHANCE OF THUNDERSTORMS. CHANCE OF SHOWERS. SOUTHWEST
WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
$$
LSZ144-145-061500-
TWO HARBORS TO DULUTH MN-DULUTH MN TO PORT WING WI-
353 AM CDT WED AUG 6 2025
.TODAY...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND PATCHY
SMOKE, THEN MOSTLY CLOUDY WITH CHANCE OF
SHOWERS IN THE LATE MORNING AND AFTERNOON.
SFC WINDS...........EAST 10 TO 15 KNOTS.
100-FT WINDS........EAST 15 TO 20 KNOTS.
SIG WAVES...........2 TO 4 FEET.
.TONIGHT...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS.
SFC WINDS...........EAST 10 TO 15 KNOTS BECOMING SOUTH 5 TO 10
KNOTS AFTER MIDNIGHT.
100-FT WINDS........EAST 15 TO 20 KNOTS BECOMING SOUTH 10 TO 15
KNOTS AFTER MIDNIGHT.
SIG WAVES...........1 TO 3 FEET.
.THURSDAY...
WEATHER.............MOSTLY SUNNY.
SFC WINDS...........SOUTH 5 TO 10 KNOTS.
100-FT WINDS........SOUTH 10 TO 15 KNOTS.
SIG WAVES...........2 FEET OR LESS.
.THURSDAY NIGHT...
WEATHER.............PARTLY CLOUDY.
SFC WINDS...........SOUTHEAST 5 TO 10 KNOTS EARLY IN THE EVENING
BECOMING LIGHT AND VARIABLE, THEN BECOMING
SOUTH 5 TO 10 KNOTS AFTER MIDNIGHT.
100-FT WINDS........SOUTHEAST 10 TO 15 KNOTS EARLY IN THE EVENING
BECOMING LIGHT AND VARIABLE, THEN BECOMING
SOUTH 10 TO 15 KNOTS AFTER MIDNIGHT.
SIG WAVES...........2 FEET OR LESS.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...CHANCE OF THUNDERSTORMS. CHANCE OF SHOWERS. SOUTHWEST
WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
$$
LSZ146-061500-
PORT WING TO SAND ISLAND WI-
353 AM CDT WED AUG 6 2025
.TODAY...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND PATCHY
SMOKE, THEN MOSTLY CLOUDY WITH CHANCE OF
SHOWERS IN THE LATE MORNING AND EARLY
AFTERNOON. MOSTLY CLOUDY.
SFC WINDS...........SOUTHEAST 10 TO 15 KNOTS.
100-FT WINDS........SOUTHEAST 15 TO 20 KNOTS.
SIG WAVES...........1 TO 3 FEET.
.TONIGHT...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS.
SFC WINDS...........SOUTHEAST 5 TO 10 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT.
100-FT WINDS........SOUTHEAST 10 TO 15 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT.
SIG WAVES...........1 TO 3 FEET.
.THURSDAY...
WEATHER.............MOSTLY SUNNY.
SFC WINDS...........SOUTHWEST 5 TO 10 KNOTS UNTIL LATE AFTERNOON
BECOMING LIGHT AND VARIABLE.
100-FT WINDS........SOUTHWEST 10 TO 15 KNOTS UNTIL LATE AFTERNOON
BECOMING LIGHT AND VARIABLE.
SIG WAVES...........2 FEET OR LESS.
.THURSDAY NIGHT...
WEATHER.............PARTLY CLOUDY.
SFC WINDS...........LIGHT AND VARIABLE WINDS.
100-FT WINDS........LIGHT AND VARIABLE WINDS.
SIG WAVES...........2 FEET OR LESS.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...CHANCE OF THUNDERSTORMS. CHANCE OF SHOWERS. SOUTHWEST
WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
$$
LSZ147-061500-
SAND ISLAND TO BAYFIELD WI-
353 AM CDT WED AUG 6 2025
.TODAY...
WEATHER.............MOSTLY CLOUDY WITH PATCHY SMOKE, THEN MOSTLY
CLOUDY IN THE LATE MORNING AND AFTERNOON.
SFC WINDS...........SOUTHEAST 5 TO 10 KNOTS.
100-FT WINDS........SOUTHEAST 10 TO 15 KNOTS.
SIG WAVES...........1 TO 3 FEET.
.TONIGHT...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS.
SFC WINDS...........SOUTHEAST 5 TO 10 KNOTS BECOMING SOUTH AFTER
MIDNIGHT.
100-FT WINDS........SOUTHEAST 10 TO 15 KNOTS BECOMING SOUTH AFTER
MIDNIGHT.
SIG WAVES...........1 TO 3 FEET.
.THURSDAY...
WEATHER.............MOSTLY SUNNY.
SFC WINDS...........SOUTH 5 TO 10 KNOTS UNTIL LATE AFTERNOON
BECOMING LIGHT AND VARIABLE.
100-FT WINDS........SOUTH 10 TO 15 KNOTS UNTIL LATE AFTERNOON
BECOMING LIGHT AND VARIABLE.
SIG WAVES...........2 FEET OR LESS.
.THURSDAY NIGHT...
WEATHER.............PARTLY CLOUDY.
SFC WINDS...........LIGHT AND VARIABLE WINDS.
100-FT WINDS........LIGHT AND VARIABLE WINDS.
SIG WAVES...........2 FEET OR LESS.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...CHANCE OF THUNDERSTORMS. CHANCE OF SHOWERS. SOUTHWEST
WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
$$
LSZ150-061500-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
353 AM CDT WED AUG 6 2025
.TODAY...
WEATHER.............MOSTLY CLOUDY WITH PATCHY SMOKE, THEN MOSTLY
CLOUDY IN THE LATE MORNING AND AFTERNOON.
SFC WINDS...........SOUTHEAST 10 TO 15 KNOTS.
100-FT WINDS........SOUTHEAST 15 TO 20 KNOTS.
SIG WAVES...........2 TO 4 FEET.
.TONIGHT...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS.
SFC WINDS...........SOUTHEAST 10 TO 15 KNOTS BECOMING SOUTH 5 TO 10
KNOTS AFTER MIDNIGHT.
100-FT WINDS........SOUTHEAST 15 TO 20 KNOTS BECOMING SOUTH 10 TO
15 KNOTS AFTER MIDNIGHT.
SIG WAVES...........1 TO 3 FEET.
.THURSDAY...
WEATHER.............MOSTLY SUNNY.
SFC WINDS...........SOUTH 5 TO 10 KNOTS.
100-FT WINDS........SOUTH 10 TO 15 KNOTS.
SIG WAVES...........2 FEET OR LESS.
.THURSDAY NIGHT...
WEATHER.............PARTLY CLOUDY.
SFC WINDS...........SOUTH 5 TO 10 KNOTS.
100-FT WINDS........SOUTH 10 TO 15 KNOTS.
SIG WAVES...........2 FEET OR LESS.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...CHANCE OF THUNDERSTORMS. CHANCE OF SHOWERS. SOUTHWEST
WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
$$
LSZ121-061500-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
353 AM CDT WED AUG 6 2025
.TODAY...
WEATHER.............MOSTLY CLOUDY WITH PATCHY SMOKE, THEN MOSTLY
CLOUDY IN THE LATE MORNING AND AFTERNOON.
SFC WINDS...........SOUTHEAST 10 TO 15 KNOTS.
100-FT WINDS........SOUTHEAST 15 TO 20 KNOTS.
SIG WAVES...........1 TO 3 FEET.
.TONIGHT...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS.
SFC WINDS...........SOUTH 5 TO 10 KNOTS.
100-FT WINDS........SOUTH 10 TO 15 KNOTS.
SIG WAVES...........1 TO 3 FEET.
.THURSDAY...
WEATHER.............MOSTLY SUNNY.
SFC WINDS...........SOUTH 5 TO 10 KNOTS.
100-FT WINDS........SOUTH 10 TO 15 KNOTS.
SIG WAVES...........2 FEET OR LESS.
.THURSDAY NIGHT...
WEATHER.............PARTLY CLOUDY.
SFC WINDS...........SOUTH 5 TO 10 KNOTS.
100-FT WINDS........SOUTH 10 TO 15 KNOTS.
SIG WAVES...........2 FEET OR LESS.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...CHANCE OF THUNDERSTORMS. CHANCE OF SHOWERS. SOUTHWEST
WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
$$
LSZ148-061500-
OAK POINT TO SAXON HARBOR WI-
353 AM CDT WED AUG 6 2025
.TODAY...
WEATHER.............MOSTLY CLOUDY WITH PATCHY SMOKE, THEN MOSTLY
CLOUDY IN THE LATE MORNING AND AFTERNOON.
SFC WINDS...........SOUTHEAST 10 TO 15 KNOTS.
100-FT WINDS........SOUTHEAST 15 TO 20 KNOTS.
SIG WAVES...........2 TO 4 FEET.
.TONIGHT...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS.
SFC WINDS...........SOUTH 10 TO 15 KNOTS.
100-FT WINDS........SOUTH 15 TO 20 KNOTS.
SIG WAVES...........1 TO 3 FEET.
.THURSDAY...
WEATHER.............MOSTLY SUNNY.
SFC WINDS...........SOUTH 5 TO 10 KNOTS.
100-FT WINDS........SOUTH 10 TO 15 KNOTS.
SIG WAVES...........2 FEET OR LESS.
.THURSDAY NIGHT...
WEATHER.............PARTLY CLOUDY.
SFC WINDS...........SOUTH 5 TO 10 KNOTS.
100-FT WINDS........SOUTH 10 TO 15 KNOTS.
SIG WAVES...........2 FEET OR LESS.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...CHANCE OF THUNDERSTORMS. CHANCE OF SHOWERS. SOUTHWEST
WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet.
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