500
FZUS53 KDLH 132337
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
637 PM CDT SAT JUN 13 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.
LSZ140-141000-
GRAND PORTAGE TO GRAND MARAIS MN-
637 PM CDT SAT JUN 13 2026
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE EVENING THEN 20 KNOTS TOWARD DAYBREAK. MOSTLY CLOUDY.
WAVES 1 TO 3 FEET.
SUNDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
LSZ141-141000-
GRAND MARAIS TO TACONITE HARBOR MN-
637 PM CDT SAT JUN 13 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY UNTIL EARLY MORNING THEN BECOMING PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND EARLY AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
LSZ142-141000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
637 PM CDT SAT JUN 13 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY UNTIL EARLY MORNING THEN BECOMING PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ143-141000-
SILVER BAY HARBOR TO TWO HARBORS MN-
637 PM CDT SAT JUN 13 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
TOWARD DAYBREAK. MOSTLY CLOUDY UNTIL EARLY MORNING THEN BECOMING
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND EARLY AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ144-141000-
TWO HARBORS TO DULUTH MN-
637 PM CDT SAT JUN 13 2026
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS EASING TO 5 TO
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY UNTIL
EARLY MORNING THEN BECOMING PARTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 20 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES
1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 TO 2 FEET.
LSZ145-141000-
DULUTH MN TO PORT WING WI-
637 PM CDT SAT JUN 13 2026
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS EASING TO 5 TO
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY UNTIL
EARLY MORNING THEN BECOMING PARTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
20 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 TO 2 FEET.
LSZ146-141000-
PORT WING TO SAND ISLAND WI-
637 PM CDT SAT JUN 13 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING THEN 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 TO 2 FEET.
LSZ147-141000-
SAND ISLAND TO BAYFIELD WI-
637 PM CDT SAT JUN 13 2026
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND EARLY AFTERNOON. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ150-141000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
637 PM CDT SAT JUN 13 2026
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 10 KNOTS LATE IN THE EVENING, THEN RISING TO
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT.
MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS UNTIL
LATE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
LSZ121-141000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
637 PM CDT SAT JUN 13 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING THEN 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY
UNTIL EARLY MORNING THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
SUNDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
20 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
MONDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
LSZ148-141000-
OAK POINT TO SAXON HARBOR WI-
637 PM CDT SAT JUN 13 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING THEN 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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