167
FZUS53 KDLH 232200
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
500 PM CDT WED SEP 23 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.
LSZ140-240400-
GRAND PORTAGE TO GRAND MARAIS MN-
500 PM CDT WED SEP 23 2026
TONIGHT
EAST WIND 10 TO 15 KNOTS BECOMING SOUTHEAST WITH GUSTS
TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY UNTIL EARLY
MORNING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
LSZ141-240400-
GRAND MARAIS TO TACONITE HARBOR MN-
500 PM CDT WED SEP 23 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN
THE NIGHT. MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
EAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTH 5 KNOTS
EARLY IN THE AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-240400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
500 PM CDT WED SEP 23 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN
THE NIGHT. MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 TO 2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-240400-
SILVER BAY HARBOR TO TWO HARBORS MN-
500 PM CDT WED SEP 23 2026
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING EAST 5 KNOTS AFTER MIDNIGHT, THEN BECOMING
SOUTH LATE IN THE NIGHT. MOSTLY CLEAR IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT
OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 TO
10 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-240400-
TWO HARBORS TO DULUTH MN-
500 PM CDT WED SEP 23 2026
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHEAST 5 KNOTS AFTER MIDNIGHT, THEN BECOMING
SOUTH LATE IN THE NIGHT. MOSTLY CLEAR EARLY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE EVENING AND OVERNIGHT.
THURSDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
EAST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS IN
THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
EAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ145-240400-
DULUTH MN TO PORT WING WI-
500 PM CDT WED SEP 23 2026
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHEAST 5 TO 10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND OVERNIGHT.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
1 FOOT OR LESS.
FRIDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
PARTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-240400-
PORT WING TO SAND ISLAND WI-
500 PM CDT WED SEP 23 2026
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EASING TO 5 KNOTS LATE IN THE EVENING, THEN BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE
LATE EVENING AND EARLY MORNING, THEN BECOMING VARIABLE 10 KNOTS
OR LESS EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST 5 TO
10 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-240400-
SAND ISLAND TO BAYFIELD WI-
500 PM CDT WED SEP 23 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH AFTER MIDNIGHT.
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
THURSDAY
SOUTH WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-240400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
500 PM CDT WED SEP 23 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH WITH GUSTS TO
AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR UNTIL EARLY MORNING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. PARTLY SUNNY IN THE MORNING THEN BECOMING CLOUDY.
WAVES 1 TO 2 FEET.
THURSDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-240400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
500 PM CDT WED SEP 23 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
THURSDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-240400-
OAK POINT TO SAXON HARBOR WI-
500 PM CDT WED SEP 23 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLEAR UNTIL EARLY MORNING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTH WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. PARTLY SUNNY IN THE MORNING THEN BECOMING CLOUDY.
WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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