041
FZUS53 KDLH 252303
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
603 PM 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.
LSZ140-260400-
GRAND PORTAGE TO GRAND MARAIS MN-
603 PM CDT SUN OCT 25 2026
TONIGHT
WEST WIND 10 TO 15 KNOTS BECOMING NORTH WITH GUSTS TO
AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
MONDAY
NORTH WIND 10 TO 15 KNOTS BECOMING EAST 5 TO 10 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS IN THE
AFTERNOON. WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
LSZ141-260400-
GRAND MARAIS TO TACONITE HARBOR MN-
603 PM CDT SUN OCT 25 2026
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. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 1 TO
3 FEET EARLY IN THE MORNING.
TUESDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
25 KNOTS LATE IN THE AFTERNOON. RAIN SHOWERS. WAVES 3 TO 5 FEET.
WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
LSZ142-260400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
603 PM CDT SUN OCT 25 2026
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE EVENING
AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTH WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET BUILDING TO 1 TO 3 FEET EARLY IN THE MORNING.
TUESDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. RAIN SHOWERS. WAVES
3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
LSZ143-260400-
SILVER BAY HARBOR TO TWO HARBORS MN-
603 PM CDT SUN OCT 25 2026
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH LATE IN THE NIGHT.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
TUESDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. RAIN SHOWERS. WAVES 3 TO 5 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
LSZ144-260400-
TWO HARBORS TO DULUTH MN-
603 PM CDT SUN OCT 25 2026
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 BECOMING EAST 10 TO
15 KNOTS 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 AFTER MIDNIGHT. RAIN SHOWERS LIKELY AFTER
MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.
TUESDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. RAIN
SHOWERS. WAVES 3 TO 5 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ145-260400-
DULUTH MN TO PORT WING WI-
603 PM CDT SUN OCT 25 2026
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. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
EARLY IN THE MORNING. RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
TUESDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. RAIN SHOWERS. WAVES 2 TO 4 FEET.
LSZ146-260400-
PORT WING TO SAND ISLAND WI-
603 PM CDT SUN OCT 25 2026
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN THE
NIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE EVENING AND OVERNIGHT. CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. RAIN
SHOWERS IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
LSZ147-260400-
SAND ISLAND TO BAYFIELD WI-
603 PM CDT SUN OCT 25 2026
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN THE
NIGHT. 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
AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
TUESDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. RAIN
SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
LSZ150-260400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
603 PM CDT SUN OCT 25 2026
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN THE
NIGHT. 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
AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
TUESDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. RAIN
SHOWERS. WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ121-260400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
603 PM CDT SUN OCT 25 2026
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH LATE IN THE NIGHT.
CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS. RAIN SHOWERS LIKELY
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND EARLY AFTERNOON. RAIN SHOWERS LIKELY IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
LSZ148-260400-
OAK POINT TO SAXON HARBOR WI-
603 PM CDT SUN OCT 25 2026
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH LATE IN THE NIGHT.
CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS. RAIN SHOWERS LIKELY
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND EARLY AFTERNOON. RAIN SHOWERS LIKELY IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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