268
FZUS53 KDLH 181946
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
246 PM CDT SUN OCT 18 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.
LSZ140-190400-
GRAND PORTAGE TO GRAND MARAIS MN-
246 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY
TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN EASING TO
5 KNOTS LATE IN THE NIGHT. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. WAVES 6 TO 9 FEET SUBSIDING TO 1 TO
2 FEET. WAVES OCCASIONALLY TO 12 FEET.
MONDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
TUESDAY
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ141-190400-
GRAND MARAIS TO TACONITE HARBOR MN-
246 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 TO 10 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 2 FEET. WAVES
OCCASIONALLY TO 8 FEET.
MONDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
TUESDAY
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-190400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
246 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY
EARLY IN THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND
OVERNIGHT.
MONDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
TUESDAY
EAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-190400-
SILVER BAY HARBOR TO TWO HARBORS MN-
246 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY
EARLY IN THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 1 TO
3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND
OVERNIGHT.
MONDAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
TUESDAY
EAST WIND 5 KNOTS RISING TO 5 TO 10 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-190400-
TWO HARBORS TO DULUTH MN-
246 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT, THEN BECOMING
NORTHWEST LATE IN THE NIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO
2 FEET.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 5 KNOTS RISING TO 5 TO 10 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-190400-
DULUTH MN TO PORT WING WI-
246 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS AFTER MIDNIGHT, THEN BECOMING
NORTHWEST LATE IN THE NIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING EAST 5 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ146-190400-
PORT WING TO SAND ISLAND WI-
246 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING
AND OVERNIGHT.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST 5 TO
10 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
TUESDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-190400-
SAND ISLAND TO BAYFIELD WI-
246 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT, THEN BECOMING
VARIABLE 10 KNOTS OR LESS LATE IN THE NIGHT. PARTLY CLOUDY. WAVES
1 TO 3 FEET.
MONDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-190400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
246 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 KNOTS LATE IN THE NIGHT. PARTLY CLOUDY.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING
AND OVERNIGHT.
MONDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-190400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
246 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS UNTIL EARLY MORNING BECOMING VARIABLE 10 KNOTS OR LESS.
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTH WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-190400-
OAK POINT TO SAXON HARBOR WI-
246 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
MONDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTH WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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