470
FZUS53 KDLH 200228
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
927 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.
LSZ140-201000-
GRAND PORTAGE TO GRAND MARAIS MN-
927 PM CDT MON OCT 19 2026
REST OF TONIGHT
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.
TUESDAY NIGHT
EAST WIND 5 KNOTS BECOMING WEST LATE IN THE
EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT. 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.
LSZ141-201000-
GRAND MARAIS TO TACONITE HARBOR MN-
927 PM CDT MON OCT 19 2026
REST OF 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
EAST WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN
THE MORNING. 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.
LSZ142-201000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
927 PM CDT MON OCT 19 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH LATE IN
THE EVENING, THEN BECOMING WEST AFTER MIDNIGHT BECOMING SOUTHWEST
EARLY IN THE MORNING. 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.
LSZ143-201000-
SILVER BAY HARBOR TO TWO HARBORS MN-
927 PM CDT MON OCT 19 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
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.
LSZ144-201000-
TWO HARBORS TO DULUTH MN-
927 PM CDT MON OCT 19 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. MOSTLY 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.
LSZ145-201000-
DULUTH MN TO PORT WING WI-
927 PM CDT MON OCT 19 2026
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS BECOMING EAST
5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY 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.
LSZ146-201000-
PORT WING TO SAND ISLAND WI-
927 PM CDT MON OCT 19 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 TO 2 FEET.
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.
LSZ147-201000-
SAND ISLAND TO BAYFIELD WI-
927 PM CDT MON OCT 19 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS. 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 SOUTHWEST 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.
LSZ150-201000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
927 PM CDT MON OCT 19 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS. 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 NORTHWEST LATE
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-201000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
927 PM CDT MON OCT 19 2026
REST OF TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHEAST TOWARD
DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTH WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTH WIND 5 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.
LSZ148-201000-
OAK POINT TO SAXON HARBOR WI-
927 PM CDT MON OCT 19 2026
REST OF TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHEAST TOWARD
DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTH WIND 5 KNOTS BECOMING SOUTHEAST 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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