864
FZUS53 KDLH 251000
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
500 AM CDT SUN OCT 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-
500 AM CDT SUN OCT 25 2026
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
NORTH WIND 10 TO 15 KNOTS BECOMING EAST 5 TO 10 KNOTS
IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ141-251600-
GRAND MARAIS TO TACONITE HARBOR MN-
500 AM CDT SUN OCT 25 2026
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTH WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING
TO 1 TO 3 FEET EARLY IN THE MORNING.
LSZ142-251600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
500 AM CDT SUN OCT 25 2026
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING
TO 1 TO 3 FEET EARLY IN THE MORNING.
LSZ143-251600-
SILVER BAY HARBOR TO TWO HARBORS MN-
500 AM CDT SUN OCT 25 2026
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. PARTLY
SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT
CHANCE OF RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS LIKELY
AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.
LSZ144-251600-
TWO HARBORS TO DULUTH MN-
500 AM CDT SUN OCT 25 2026
TODAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING EAST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS LATE IN THE EVENING, THEN INCREASING TO
30 KNOTS AFTER MIDNIGHT DECREASING TO 25 KNOTS EARLY IN THE
MORNING. CHANCE OF RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE
LATE EVENING AND OVERNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ145-251600-
DULUTH MN TO PORT WING WI-
500 AM CDT SUN OCT 25 2026
TODAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 30 KNOTS. CHANCE OF RAIN SHOWERS IN THE EVENING,
THEN RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO
2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ146-251600-
PORT WING TO SAND ISLAND WI-
500 AM CDT SUN OCT 25 2026
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY UNTIL LATE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT
CHANCE OF RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS LIKELY
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
LSZ147-251600-
SAND ISLAND TO BAYFIELD WI-
500 AM CDT SUN OCT 25 2026
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY UNTIL LATE
AFTERNOON THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS
LIKELY AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ150-251600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
500 AM CDT SUN OCT 25 2026
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY UNTIL LATE AFTERNOON THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
LSZ121-251600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
500 AM CDT SUN OCT 25 2026
TODAY
WEST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
LSZ148-251600-
OAK POINT TO SAXON HARBOR WI-
500 AM CDT SUN OCT 25 2026
TODAY
WEST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING,
THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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