193
FZUS53 KDLH 042158
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
458 PM CDT SUN OCT 4 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.
LSZ140-050400-
GRAND PORTAGE TO GRAND MARAIS MN-
458 PM CDT SUN OCT 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS
EARLY IN THE EVENING. WAVES 1 TO 2 FEET.
MONDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 30 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. WAVES 3 TO 5 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ141-050400-
GRAND MARAIS TO TACONITE HARBOR MN-
458 PM CDT SUN OCT 4 2026
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. CHANCE OF SPRINKLES IN THE EVENING. WAVES 1 TO
2 FEET.
MONDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH IN THE
AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS. WAVES 1 TO 2 FEET.
TUESDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
LSZ142-050400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
458 PM CDT SUN OCT 4 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
NORTH WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ143-050400-
SILVER BAY HARBOR TO TWO HARBORS MN-
458 PM CDT SUN OCT 4 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTH 5 KNOTS EARLY IN
THE AFTERNOON BECOMING SOUTHEAST. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ144-050400-
TWO HARBORS TO DULUTH MN-
458 PM CDT SUN OCT 4 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
MONDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHEAST 5 KNOTS EARLY
IN THE AFTERNOON BECOMING EAST. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING WEST LATE IN
THE AFTERNOON. GUSTS UP TO 20 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
LSZ145-050400-
DULUTH MN TO PORT WING WI-
458 PM CDT SUN OCT 4 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
MONDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING EAST 5 KNOTS IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST WITH GUSTS TO AROUND 25 KNOTS LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ146-050400-
PORT WING TO SAND ISLAND WI-
458 PM CDT SUN OCT 4 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
NORTH WIND 5 KNOTS IN THE MORNING BECOMING VARIABLE
10 KNOTS OR LESS, THEN BECOMING EAST 5 KNOTS LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY
IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST WITH GUSTS TO AROUND 25 KNOTS LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ147-050400-
SAND ISLAND TO BAYFIELD WI-
458 PM CDT SUN OCT 4 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
NORTH WIND 5 KNOTS BECOMING EAST LATE IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ150-050400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
458 PM CDT SUN OCT 4 2026
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL EARLY MORNING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING WEST LATE IN
THE AFTERNOON. GUSTS UP TO 25 KNOTS. MOSTLY SUNNY. WAVES 1 TO
3 FEET.
LSZ121-050400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
458 PM CDT SUN OCT 4 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING EAST 5 KNOTS IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH WITH GUSTS
TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ148-050400-
OAK POINT TO SAXON HARBOR WI-
458 PM CDT SUN OCT 4 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
NORTHWEST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH WITH
GUSTS TO AROUND 25 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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