233
FZUS53 KDLH 211600
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1100 AM 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-
1100 AM CDT WED OCT 21 2026
REST OF TODAY
WEST WIND 5 KNOTS BECOMING NORTHEAST LATE.
CHANCE OF SPRINKLES LATE IN THE MORNING. WAVES 1 TO 2 FEET.
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
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ141-212200-
GRAND MARAIS TO TACONITE HARBOR MN-
1100 AM CDT WED OCT 21 2026
REST OF TODAY
WEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. 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. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ142-212200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1100 AM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS LATE IN THE MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. 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. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ143-212200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1100 AM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS LATE IN THE MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
LSZ144-212200-
TWO HARBORS TO DULUTH MN-
1100 AM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 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 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ145-212200-
DULUTH MN TO PORT WING WI-
1100 AM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS BECOMING EAST LATE.
SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ146-212200-
PORT WING TO SAND ISLAND WI-
1100 AM CDT WED OCT 21 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS LATE IN THE MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. 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 FOOT OR LESS.
THURSDAY NIGHT
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ147-212200-
SAND ISLAND TO BAYFIELD WI-
1100 AM CDT WED OCT 21 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTH LATE.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST 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 BECOMING SOUTHEAST EARLY
IN THE MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ150-212200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1100 AM CDT WED OCT 21 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTH LATE.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST 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
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST
AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ121-212200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1100 AM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST LATE.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. 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
AFTER MIDNIGHT. PATCHY FOG. WAVES 1 FOOT OR LESS.
LSZ148-212200-
OAK POINT TO SAXON HARBOR WI-
1100 AM CDT WED OCT 21 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST EARLY IN
THE AFTERNOON, THEN BECOMING NORTHEAST LATE. CHANCE OF SPRINKLES
LATE IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
THURSDAY
EAST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHEAST 5 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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