944
FZUS53 KDLH 250158
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
858 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-
858 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG EARLY IN
THE EVENING. CHANCE OF RAIN SHOWERS EARLY 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
EARLY IN THE MORNING THEN 20 KNOTS IN THE AFTERNOON. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 2 FEET.
SATURDAY NIGHT
WEST 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-
858 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 15 TO
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PATCHY FOG EARLY IN THE EVENING. RAIN SHOWERS AND
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
LATE IN THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS
AFTER MIDNIGHT. 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-
858 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 IN THE LATE EVENING AND OVERNIGHT. RAIN SHOWERS AND
CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST 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-
858 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 IN THE LATE EVENING AND OVERNIGHT. CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING, THEN RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG
TOWARD DAYBREAK. WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING VARIABLE 10 KNOTS OR
LESS 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 IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ144-251000-
TWO HARBORS TO DULUTH MN-
858 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 IN THE LATE EVENING AND OVERNIGHT. SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET IN THE LATE EVENING AND OVERNIGHT.
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 BECOMING NORTH 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-
858 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
25 KNOTS IN THE LATE EVENING AND EARLY MORNING DECREASING TO
20 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING.
SHOWERS LIKELY THROUGH THE NIGHT. 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. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE
LATE EVENING AND OVERNIGHT. 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-
858 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
25 KNOTS IN THE LATE EVENING AND EARLY MORNING DECREASING TO
20 KNOTS. SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS EARLY
IN THE EVENING, THEN 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 EASING TO 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 BECOMING EAST AFTER
MIDNIGHT, THEN BECOMING VARIABLE 10 KNOTS OR LESS 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 IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ147-251000-
SAND ISLAND TO BAYFIELD WI-
858 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
25 KNOTS IN THE LATE EVENING AND EARLY MORNING DECREASING TO
20 KNOTS. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE EVENING, THEN SHOWERS AND CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 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
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-
858 PM CDT FRI JUL 24 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT SATURDAY
REST OF TONIGHT
SOUTHWEST WIND 10 KNOTS RISING TO 15 TO
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE EVENING, THEN SHOWERS AND CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE MORNING. 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-
858 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
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS EARLY 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 EAST LATE IN THE AFTERNOON. CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST 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-
858 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
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS EARLY 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 EAST LATE IN THE AFTERNOON. CHANCE OF
THUNDERSTORMS AND SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES
1 FOOT OR LESS.
SATURDAY NIGHT
EAST 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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