139
FZUS53 KDLH 190338
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1037 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.
LSZ140-191000-
GRAND PORTAGE TO GRAND MARAIS MN-
1037 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE EVENING. PARTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING
TO 1 TO 2 FEET TOWARD DAYBREAK.
MONDAY
NORTHWEST 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. SUNNY. WAVES 1 FOOT OR LESS.
LSZ141-191000-
GRAND MARAIS TO TACONITE HARBOR MN-
1037 PM CDT SUN OCT 18 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 TO 3 FEET.
MONDAY
NORTHWEST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CLEAR. WAVES 1 FOOT
OR LESS.
TUESDAY
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-191000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1037 PM CDT SUN OCT 18 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 TO 2 FEET.
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. SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-191000-
SILVER BAY HARBOR TO TWO HARBORS MN-
1037 PM CDT SUN OCT 18 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
TOWARD DAYBREAK. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
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. SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-191000-
TWO HARBORS TO DULUTH MN-
1037 PM CDT SUN OCT 18 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING
NORTHWEST AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
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 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-191000-
DULUTH MN TO PORT WING WI-
1037 PM CDT SUN OCT 18 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
TOWARD DAYBREAK. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
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
EAST 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 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-191000-
PORT WING TO SAND ISLAND WI-
1037 PM CDT SUN OCT 18 2026
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS EASING TO 5 KNOTS
TOWARD DAYBREAK. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST 5 TO
10 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. SUNNY.
WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-191000-
SAND ISLAND TO BAYFIELD WI-
1037 PM CDT SUN OCT 18 2026
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST
5 KNOTS TOWARD DAYBREAK. 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 SOUTHEAST EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHEAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-191000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1037 PM CDT SUN OCT 18 2026
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS BECOMING WEST
5 TO 10 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 SOUTHEAST EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHEAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-191000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1037 PM CDT SUN OCT 18 2026
REST OF TONIGHT
WEST WIND 5 KNOTS IN THE LATE EVENING AND
EARLY MORNING BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR.
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
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTH WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-191000-
OAK POINT TO SAXON HARBOR WI-
1037 PM CDT SUN OCT 18 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST
TOWARD DAYBREAK. MOSTLY CLEAR. 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
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
SOUTH WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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