162
FZUS53 KDLH 250037
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
737 PM CDT FRI JUL 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.
LSZ140-251000-
GRAND PORTAGE TO GRAND MARAIS MN-
737 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS RISING TO 15 TO
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF RAIN SHOWERS IN THE EVENING. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS AFTER MIDNIGHT.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST
EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
WAVES 1 TO 2 FEET.
SUNDAY
EAST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS THROUGH THE
DAY. WAVES 1 FOOT OR LESS.
LSZ141-251000-
GRAND MARAIS TO TACONITE HARBOR MN-
737 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
WEST WIND 5 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. RAIN SHOWERS AND CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING NORTHWEST, THEN BECOMING NORTH AFTER MIDNIGHT BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE LATE
MORNING AND EARLY AFTERNOON, THEN BECOMING NORTHEAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ142-251000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
737 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. RAIN SHOWERS AND
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTH LATE IN
THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ143-251000-
SILVER BAY HARBOR TO TWO HARBORS MN-
737 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE EVENING INCREASING TO 25 KNOTS, THEN
DECREASING TO 20 KNOTS TOWARD DAYBREAK. CHANCE OF RAIN SHOWERS
EARLY IN THE EVENING, THEN RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO
3 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
SATURDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTH LATE IN THE
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ144-251000-
TWO HARBORS TO DULUTH MN-
737 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE LATE EVENING AND EARLY
MORNING. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE LATE
EVENING AND OVERNIGHT.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN
THE LATE EVENING AND EARLY MORNING, THEN BECOMING EAST EARLY IN
THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
EAST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ145-251000-
DULUTH MN TO PORT WING WI-
737 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE LATE EVENING AND EARLY
MORNING. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. SHOWERS
LIKELY THROUGH THE NIGHT. CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN
THE LATE EVENING AND EARLY MORNING, THEN BECOMING EAST EARLY IN
THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ146-251000-
PORT WING TO SAND ISLAND WI-
737 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SHOWERS AND CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTH WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ147-251000-
SAND ISLAND TO BAYFIELD WI-
737 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SHOWERS AND CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING EAST AFTER
MIDNIGHT, THEN BECOMING SOUTHEAST EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT
OR LESS.
SUNDAY
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 FOOT OR LESS.
LSZ150-251000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
737 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 30 KNOTS LATE IN THE EVENING, THEN
DECREASING TO 25 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS
AND CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH 5 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTH WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY. WAVES
1 FOOT OR LESS.
LSZ121-251000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
737 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SHOWERS AND CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHEAST LATE IN THE AFTERNOON. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 5 KNOTS BECOMING WEST LATE IN THE
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT
BECOMING SOUTH 5 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
MORNING, THEN BECOMING NORTH IN THE AFTERNOON. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ148-251000-
OAK POINT TO SAXON HARBOR WI-
737 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS LATE IN THE EVENING, THEN
INCREASING TO 30 KNOTS AFTER MIDNIGHT DECREASING TO 25 KNOTS
TOWARD DAYBREAK. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHEAST LATE IN THE AFTERNOON. CHANCE OF
THUNDERSTORMS AND SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES
1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE
LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE MORNING,
THEN BECOMING NORTH IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS
THROUGH THE DAY. SLIGHT CHANCE OF 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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