033
FZUS53 KDLH 192023
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
323 PM CDT MON OCT 19 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.
LSZ140-200400-
GRAND PORTAGE TO GRAND MARAIS MN-
323 PM CDT MON OCT 19 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
TUESDAY
SOUTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY IN THE
MORNING THEN CLEARING. WAVES 1 TO 2 FEET.
LSZ141-200400-
GRAND MARAIS TO TACONITE HARBOR MN-
323 PM CDT MON OCT 19 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
TUESDAY
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS
AFTER MIDNIGHT BECOMING SOUTHWEST. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS. MOSTLY CLOUDY IN THE MORNING THEN
CLEARING. WAVES 1 FOOT OR LESS.
LSZ142-200400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
323 PM CDT MON OCT 19 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
TUESDAY
EAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS
AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS. PARTLY SUNNY IN THE MORNING
THEN CLEARING. WAVES 1 FOOT OR LESS.
LSZ143-200400-
SILVER BAY HARBOR TO TWO HARBORS MN-
323 PM CDT MON OCT 19 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
TUESDAY
EAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ144-200400-
TWO HARBORS TO DULUTH MN-
323 PM CDT MON OCT 19 2026
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS. PARTLY SUNNY IN THE MORNING
THEN CLEARING. WAVES 1 FOOT OR LESS.
LSZ145-200400-
DULUTH MN TO PORT WING WI-
323 PM CDT MON OCT 19 2026
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES
1 FOOT OR LESS.
LSZ146-200400-
PORT WING TO SAND ISLAND WI-
323 PM CDT MON OCT 19 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
TUESDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS UNTIL LATE AFTERNOON
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY SUNNY IN THE MORNING
THEN CLEARING. WAVES 1 FOOT OR LESS.
LSZ147-200400-
SAND ISLAND TO BAYFIELD WI-
323 PM CDT MON OCT 19 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN THE
NIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHEAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE
LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE AFTERNOON, THEN BECOMING VARIABLE 10 KNOTS OR LESS LATE IN
THE AFTERNOON. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES
1 FOOT OR LESS.
LSZ150-200400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
323 PM CDT MON OCT 19 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN THE
NIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE
LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-200400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
323 PM CDT MON OCT 19 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE
IN THE NIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTH LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-200400-
OAK POINT TO SAXON HARBOR WI-
323 PM CDT MON OCT 19 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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