570
FZUS53 KDLH 211759
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1259 PM CDT WED OCT 21 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.
LSZ140-212200-
GRAND PORTAGE TO GRAND MARAIS MN-
1259 PM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST LATE.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ141-212200-
GRAND MARAIS TO TACONITE HARBOR MN-
1259 PM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST LATE.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
THURSDAY
EAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ142-212200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1259 PM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS EARLY IN THE
AFTERNOON BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ143-212200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1259 PM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ144-212200-
TWO HARBORS TO DULUTH MN-
1259 PM CDT WED OCT 21 2026
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ145-212200-
DULUTH MN TO PORT WING WI-
1259 PM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST
LATE. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ146-212200-
PORT WING TO SAND ISLAND WI-
1259 PM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST LATE.
SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ147-212200-
SAND ISLAND TO BAYFIELD WI-
1259 PM CDT WED OCT 21 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE.
SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
EAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ150-212200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1259 PM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
LATE. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
EAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ121-212200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1259 PM CDT WED OCT 21 2026
REST OF TODAY
WEST WIND 5 KNOTS BECOMING NORTH LATE. SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
THURSDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTH 5 KNOTS
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ148-212200-
OAK POINT TO SAXON HARBOR WI-
1259 PM CDT WED OCT 21 2026
REST OF TODAY
WEST WIND 5 KNOTS BECOMING NORTHEAST LATE.
SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
EAST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHEAST 5 TO 10 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLOUDY. 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