339
FZUS53 KDLH 231413
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
913 AM 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.
LSZ140-232200-
GRAND PORTAGE TO GRAND MARAIS MN-
913 AM CDT WED SEP 23 2026
REST OF TODAY
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES
1 TO 3 FEET.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
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.
LSZ141-232200-
GRAND MARAIS TO TACONITE HARBOR MN-
913 AM CDT WED SEP 23 2026
REST OF TODAY
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO
2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 TO 2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN
SHOWERS. WAVES 1 FOOT OR LESS.
LSZ142-232200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
913 AM CDT WED SEP 23 2026
REST OF TODAY
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. 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. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ143-232200-
SILVER BAY HARBOR TO TWO HARBORS MN-
913 AM CDT WED SEP 23 2026
REST OF TODAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING EAST 5 KNOTS AFTER MIDNIGHT, THEN BECOMING
SOUTH EARLY IN THE MORNING. 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. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT
OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ144-232200-
TWO HARBORS TO DULUTH MN-
913 AM CDT WED SEP 23 2026
REST OF TODAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH 5 TO 10 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 3 FEET.
THURSDAY
SOUTHEAST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ145-232200-
DULUTH MN TO PORT WING WI-
913 AM CDT WED SEP 23 2026
REST OF TODAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
LATE. SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHEAST 5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR 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. CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ146-232200-
PORT WING TO SAND ISLAND WI-
913 AM CDT WED SEP 23 2026
REST OF TODAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
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. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ147-232200-
SAND ISLAND TO BAYFIELD WI-
913 AM CDT WED SEP 23 2026
REST OF TODAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE.
SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH AFTER MIDNIGHT.
PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ150-232200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
913 AM CDT WED SEP 23 2026
REST OF TODAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE.
SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ121-232200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
913 AM CDT WED SEP 23 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH IN THE
LATE EVENING AND EARLY MORNING, THEN BECOMING SOUTH 5 KNOTS EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTH WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ148-232200-
OAK POINT TO SAXON HARBOR WI-
913 AM CDT WED SEP 23 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO
2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
SOUTH WIND 5 KNOTS. PARTLY SUNNY. 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.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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