581
FZUS53 KDLH 240721
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
221 AM CDT WED JUN 24 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.
LSZ140-241600-
GRAND PORTAGE TO GRAND MARAIS MN-
221 AM CDT WED JUN 24 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF RAIN SHOWERS IN THE MORNING. SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE DAY. SLIGHT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET IN THE
LATE MORNING AND AFTERNOON.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
THURSDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
MORNING, THEN BECOMING SOUTHWEST IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ141-241600-
GRAND MARAIS TO TACONITE HARBOR MN-
221 AM CDT WED JUN 24 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES
1 TO 2 FEET BUILDING TO 1 TO 3 FEET IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. PATCHY
FOG AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
SOUTHEAST, THEN BECOMING SOUTH EARLY IN THE AFTERNOON BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ142-241600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
221 AM CDT WED JUN 24 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN
THE MORNING, THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE LATE MORNING AND AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. PATCHY FOG. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY SUNNY IN THE MORNING THEN
CLEARING. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ143-241600-
SILVER BAY HARBOR TO TWO HARBORS MN-
221 AM CDT WED JUN 24 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH THE DAY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING. PATCHY FOG THROUGH THE NIGHT. WAVES 1 TO
2 FEET.
THURSDAY
NORTHEAST WIND 5 KNOTS IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ144-241600-
TWO HARBORS TO DULUTH MN-
221 AM CDT WED JUN 24 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. PATCHY FOG EARLY IN THE MORNING. SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING. CHANCE OF RAIN SHOWERS THROUGH
THE DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG THROUGH THE
NIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY IN THE MORNING
THEN CLEARING. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ145-241600-
DULUTH MN TO PORT WING WI-
221 AM CDT WED JUN 24 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG EARLY IN THE
MORNING. SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE OF
RAIN SHOWERS THROUGH THE DAY. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG THROUGH THE
NIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES 1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 5 KNOTS. PATCHY FOG IN THE MORNING.
WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ146-241600-
PORT WING TO SAND ISLAND WI-
221 AM CDT WED JUN 24 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH THE DAY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG THROUGH THE
NIGHT. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. WAVES
1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 5 KNOTS. PATCHY FOG IN THE MORNING.
WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ147-241600-
SAND ISLAND TO BAYFIELD WI-
221 AM CDT WED JUN 24 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON. WAVES 1 FOOT
OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG THROUGH THE
NIGHT. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. WAVES
1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
THURSDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ150-241600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
221 AM CDT WED JUN 24 2026
TODAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST WITH GUSTS TO
AROUND 20 KNOTS IN THE AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON. WAVES 1 TO
2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. PATCHY FOG THROUGH THE NIGHT. SLIGHT CHANCE OF RAIN
SHOWERS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHEAST 5 KNOTS LATE
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. MOSTLY CLOUDY IN THE EVENING
THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ121-241600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
221 AM CDT WED JUN 24 2026
TODAY
SOUTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS EARLY
IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE LATE MORNING AND AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 KNOTS. PATCHY FOG THROUGH THE NIGHT.
SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY IN THE MORNING
THEN CLEARING. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ148-241600-
OAK POINT TO SAXON HARBOR WI-
221 AM CDT WED JUN 24 2026
TODAY
SOUTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS EARLY
IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE LATE MORNING AND AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTH WIND 5 KNOTS. PATCHY FOG. SLIGHT CHANCE OF RAIN
SHOWERS. WAVES 1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY IN THE MORNING
THEN BECOMING MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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