873
FZUS53 KDLH 251248
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
747 AM CDT FRI SEP 25 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.
LSZ140-251600-
GRAND PORTAGE TO GRAND MARAIS MN-
747 AM CDT FRI SEP 25 2026
TODAY
EAST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE MORNING
AND AFTERNOON. MOSTLY CLOUDY EARLY IN THE MORNING THEN BECOMING
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
EAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
LSZ141-251600-
GRAND MARAIS TO TACONITE HARBOR MN-
747 AM CDT FRI SEP 25 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTH 5 KNOTS
IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING SOUTHEAST
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
SATURDAY
EAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH EARLY IN THE MORNING. CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ142-251600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
747 AM CDT FRI SEP 25 2026
TODAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTH 5 KNOTS EARLY IN
THE AFTERNOON BECOMING EAST. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST
AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING,
THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ143-251600-
SILVER BAY HARBOR TO TWO HARBORS MN-
747 AM CDT FRI SEP 25 2026
TODAY
WEST WIND 5 KNOTS BECOMING EAST LATE IN THE AFTERNOON.
PATCHY FOG EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO
3 FEET.
SATURDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING SOUTHEAST 5 KNOTS AFTER MIDNIGHT. SLIGHT
CHANCE OF RAIN SHOWERS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ144-251600-
TWO HARBORS TO DULUTH MN-
747 AM CDT FRI SEP 25 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 TO
10 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY FOG EARLY IN
THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING SOUTHEAST 5 TO 10 KNOTS AFTER MIDNIGHT.
CHANCE OF RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS LIKELY
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ145-251600-
DULUTH MN TO PORT WING WI-
747 AM CDT FRI SEP 25 2026
TODAY
SOUTH WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
PATCHY FOG EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
EAST WIND 10 TO 15 KNOTS. PATCHY FOG IN THE MORNING.
WAVES 1 TO 2 FEET.
SATURDAY NIGHT
EAST WIND 10 TO 15 KNOTS EASING TO 5 KNOTS LATE
IN THE EVENING, THEN BECOMING SOUTH AFTER MIDNIGHT. CHANCE OF
RAIN SHOWERS. WAVES 1 TO 2 FEET.
LSZ146-251600-
PORT WING TO SAND ISLAND WI-
747 AM CDT FRI SEP 25 2026
TODAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. PATCHY FOG EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SATURDAY
EAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE MORNING.
WAVES 1 TO 2 FEET.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH IN THE
LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
LSZ147-251600-
SAND ISLAND TO BAYFIELD WI-
747 AM CDT FRI SEP 25 2026
TODAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
SATURDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH IN THE
LATE EVENING AND OVERNIGHT. CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ150-251600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
747 AM CDT FRI SEP 25 2026
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH EARLY IN THE
AFTERNOON, THEN BECOMING NORTHEAST LATE IN THE AFTERNOON. SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
SATURDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH IN THE
LATE EVENING AND OVERNIGHT. CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ121-251600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
747 AM CDT FRI SEP 25 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTH 5 KNOTS
LATE IN THE MORNING, THEN BECOMING NORTHEAST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
EVENING AND OVERNIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES 1 TO 2 FEET.
LSZ148-251600-
OAK POINT TO SAXON HARBOR WI-
747 AM CDT FRI SEP 25 2026
TODAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN THE
MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH IN
THE LATE EVENING AND OVERNIGHT. CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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