840
FZUS53 KDLH 202218
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
517 PM CDT SAT JUN 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.
LSZ140-210400-
GRAND PORTAGE TO GRAND MARAIS MN-
517 PM CDT SAT JUN 20 2026
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
SCATTERED SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING, THEN
ISOLATED SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. WAVES
1 FOOT OR LESS.
SUNDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
MORNING, THEN BECOMING SOUTH IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND OVERNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTH WIND 5 KNOTS BECOMING EAST LATE IN THE MORNING,
THEN BECOMING SOUTHWEST IN THE AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ141-210400-
GRAND MARAIS TO TACONITE HARBOR MN-
517 PM CDT SAT JUN 20 2026
TONIGHT
NORTH WIND 5 KNOTS. SCATTERED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST IN THE LATE
MORNING AND EARLY AFTERNOON, THEN BECOMING VARIABLE 10 KNOTS OR
LESS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTH
5 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
MORNING, THEN BECOMING SOUTH IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
LSZ142-210400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
517 PM CDT SAT JUN 20 2026
TONIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTH 5 KNOTS AFTER
MIDNIGHT BECOMING VARIABLE 10 KNOTS OR LESS. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
SUNDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ143-210400-
SILVER BAY HARBOR TO TWO HARBORS MN-
517 PM CDT SAT JUN 20 2026
TONIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTH 5 KNOTS AFTER
MIDNIGHT BECOMING VARIABLE 10 KNOTS OR LESS. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ144-210400-
TWO HARBORS TO DULUTH MN-
517 PM CDT SAT JUN 20 2026
TONIGHT
NORTHWEST WIND 5 KNOTS. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
NORTHEAST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ145-210400-
DULUTH MN TO PORT WING WI-
517 PM CDT SAT JUN 20 2026
TONIGHT
NORTHWEST WIND 5 KNOTS. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
NORTHEAST WIND 5 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ146-210400-
PORT WING TO SAND ISLAND WI-
517 PM CDT SAT JUN 20 2026
TONIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHWEST 5 KNOTS AFTER
MIDNIGHT BECOMING VARIABLE 10 KNOTS OR LESS. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ147-210400-
SAND ISLAND TO BAYFIELD WI-
517 PM CDT SAT JUN 20 2026
TONIGHT
SOUTH WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. ISOLATED SHOWERS AND THUNDERSTORMS
EARLY IN THE EVENING. PATCHY FOG LATE IN THE NIGHT. WAVES 1 FOOT
OR LESS.
SUNDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING VARIABLE 10 KNOTS
OR LESS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ150-210400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
517 PM CDT SAT JUN 20 2026
TONIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHWEST 5 KNOTS AFTER
MIDNIGHT. ISOLATED SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING. PATCHY FOG LATE IN THE NIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
NORTHEAST WIND 5 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
EAST LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-210400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
517 PM CDT SAT JUN 20 2026
TONIGHT
NORTH WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. ISOLATED SHOWERS AND THUNDERSTORMS
EARLY IN THE EVENING. PATCHY FOG LATE IN THE NIGHT. WAVES 1 FOOT
OR LESS.
SUNDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR
LESS.
SUNDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY SUNNY IN THE
MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
LSZ148-210400-
OAK POINT TO SAXON HARBOR WI-
517 PM CDT SAT JUN 20 2026
TONIGHT
SOUTH WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. ISOLATED SHOWERS AND THUNDERSTORMS
EARLY IN THE EVENING. PATCHY FOG LATE IN THE NIGHT. WAVES 1 FOOT
OR LESS.
SUNDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
EAST LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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