741
FZUS53 KDLH 201158
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
658 AM CDT TUE OCT 20 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.
LSZ140-201600-
GRAND PORTAGE TO GRAND MARAIS MN-
658 AM CDT TUE OCT 20 2026
TODAY
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING WEST LATE IN THE EVENING,
THEN BECOMING SOUTHWEST AFTER MIDNIGHT. MOSTLY CLEAR IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ141-201600-
GRAND MARAIS TO TACONITE HARBOR MN-
658 AM CDT TUE OCT 20 2026
TODAY
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN THE
MORNING. MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS. PARTLY SUNNY IN THE MORNING THEN
CLEARING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ142-201600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
658 AM CDT TUE OCT 20 2026
TODAY
EAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH LATE IN THE
EVENING, THEN BECOMING WEST AFTER MIDNIGHT BECOMING SOUTHWEST
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS UNTIL LATE AFTERNOON BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ143-201600-
SILVER BAY HARBOR TO TWO HARBORS MN-
658 AM CDT TUE OCT 20 2026
TODAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT.
MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS UNTIL LATE AFTERNOON BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ144-201600-
TWO HARBORS TO DULUTH MN-
658 AM CDT TUE OCT 20 2026
TODAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ145-201600-
DULUTH MN TO PORT WING WI-
658 AM CDT TUE OCT 20 2026
TODAY
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS UNTIL LATE AFTERNOON BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ146-201600-
PORT WING TO SAND ISLAND WI-
658 AM CDT TUE OCT 20 2026
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS UNTIL LATE AFTERNOON
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT
OR LESS.
LSZ147-201600-
SAND ISLAND TO BAYFIELD WI-
658 AM CDT TUE OCT 20 2026
TODAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLEAR. 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. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ150-201600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
658 AM CDT TUE OCT 20 2026
TODAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. 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.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT
OR LESS.
LSZ121-201600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
658 AM CDT TUE OCT 20 2026
TODAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN THE
MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST EARLY IN THE
AFTERNOON, THEN BECOMING NORTHEAST LATE IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. PATCHY FOG. WAVES 1 FOOT OR
LESS.
LSZ148-201600-
OAK POINT TO SAXON HARBOR WI-
658 AM CDT TUE OCT 20 2026
TODAY
SOUTH WIND 5 KNOTS BECOMING SOUTHEAST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE AFTERNOON, THEN BECOMING NORTHEAST LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT
OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page