764
FZUS53 KDLH 051822
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 PM CDT WED AUG 5 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.
LSZ140-052200-
GRAND PORTAGE TO GRAND MARAIS MN-
122 PM CDT WED AUG 5 2026
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING THEN 20 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
THURSDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN THE LATE
MORNING AND AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS AFTER MIDNIGHT, THEN DECREASING
TO 25 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ141-052200-
GRAND MARAIS TO TACONITE HARBOR MN-
122 PM CDT WED AUG 5 2026
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING SOUTHWEST EARLY IN THE
MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
LATE IN THE MORNING INCREASING TO 30 KNOTS, THEN DECREASING TO
25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ142-052200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
122 PM CDT WED AUG 5 2026
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
LATE IN THE MORNING INCREASING TO 30 KNOTS, THEN DECREASING TO
25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ143-052200-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 PM CDT WED AUG 5 2026
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE EVENING,
THEN BECOMING SOUTHWEST AFTER MIDNIGHT. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ144-052200-
TWO HARBORS TO DULUTH MN-
122 PM CDT WED AUG 5 2026
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
LSZ145-052200-
DULUTH MN TO PORT WING WI-
122 PM CDT WED AUG 5 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE LATE EVENING AND EARLY
MORNING, THEN DECREASING TO 20 KNOTS EARLY IN THE MORNING. MOSTLY
CLEAR. WAVES 1 TO 2 FEET.
LSZ146-052200-
PORT WING TO SAND ISLAND WI-
122 PM CDT WED AUG 5 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 10 KNOTS LATE
IN THE AFTERNOON. GUSTS UP TO 20 KNOTS LATE IN THE MORNING
INCREASING TO 25 KNOTS, THEN DECREASING TO 20 KNOTS LATE IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS LATE IN THE EVENING, THEN
DECREASING TO 20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
LSZ147-052200-
SAND ISLAND TO BAYFIELD WI-
122 PM CDT WED AUG 5 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE.
SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE MORNING INCREASING TO 25 KNOTS, THEN DECREASING TO
20 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ150-052200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 PM CDT WED AUG 5 2026
REST OF TODAY
SOUTH WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ121-052200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
122 PM CDT WED AUG 5 2026
REST OF TODAY
EAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ148-052200-
OAK POINT TO SAXON HARBOR WI-
122 PM CDT WED AUG 5 2026
REST OF TODAY
EAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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