776
FZUS53 KDLH 172036
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
336 PM CDT FRI JUL 17 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.
LSZ140-180400-
GRAND PORTAGE TO GRAND MARAIS MN-
336 PM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SMOKE IN THE EVENING. AREAS OF SMOKE AFTER MIDNIGHT.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 5 TO 10 KNOTS IN THE AFTERNOON.
SMOKE. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. AREAS OF SMOKE.
WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. AREAS OF SMOKE IN THE MORNING. WAVES 1 TO 2 FEET.
LSZ141-180400-
GRAND MARAIS TO TACONITE HARBOR MN-
336 PM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING WEST 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.
CHANCE OF THUNDERSTORMS AND SLIGHT CHANCE OF RAIN SHOWERS EARLY
IN THE EVENING. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE EVENING, THEN SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. AREAS OF SMOKE UNTIL EARLY MORNING.
PATCHY SMOKE LATE IN THE NIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST IN THE AFTERNOON. SMOKE. WAVES 1 FOOT OR
LESS.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH EARLY IN
THE MORNING. AREAS OF SMOKE IN THE EVENING, THEN SMOKE AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
MORNING AND AFTERNOON. SMOKE IN THE MORNING. WAVES 1 FOOT OR
LESS.
LSZ142-180400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
336 PM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST WITH GUSTS
TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. AREAS OF SMOKE
UNTIL EARLY MORNING. PATCHY SMOKE LATE IN THE NIGHT. WAVES 1 FOOT
OR LESS.
SATURDAY
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON. AREAS OF SMOKE IN
THE MORNING, THEN SMOKE IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS. SMOKE. WAVES 1 FOOT OR
LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SMOKE IN THE MORNING. WAVES 1 FOOT OR LESS.
LSZ143-180400-
SILVER BAY HARBOR TO TWO HARBORS MN-
336 PM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST WITH GUSTS
TO AROUND 20 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS EARLY
IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE EVENING. AREAS OF SMOKE
UNTIL EARLY MORNING. PATCHY SMOKE LATE IN THE NIGHT. WAVES 1 FOOT
OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHWEST IN THE AFTERNOON. AREAS OF SMOKE. WAVES 1 FOOT
OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST LATE
IN THE EVENING, THEN BECOMING WEST AFTER MIDNIGHT. SMOKE. WAVES
1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS. SMOKE IN THE MORNING. WAVES
1 FOOT OR LESS.
LSZ144-180400-
TWO HARBORS TO DULUTH MN-
336 PM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTH WITH GUSTS TO AROUND 20 KNOTS LATE IN THE EVENING,
THEN BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
EVENING. AREAS OF SMOKE UNTIL EARLY MORNING. WAVES 1 TO 2 FEET.
SATURDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 5 TO 10 KNOTS LATE IN THE MORNING,
THEN BECOMING SOUTH EARLY IN THE AFTERNOON BECOMING SOUTHEAST
LATE IN THE AFTERNOON. AREAS OF SMOKE. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH AFTER
MIDNIGHT, THEN BECOMING SOUTHWEST EARLY IN THE MORNING. SMOKE.
WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SMOKE IN THE MORNING.
WAVES 1 FOOT OR LESS.
LSZ145-180400-
DULUTH MN TO PORT WING WI-
336 PM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST 5 TO 10 KNOTS LATE IN THE EVENING, THEN
BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT.
CHANCE OF SHOWERS EARLY IN THE EVENING. SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF SHOWERS LATE IN
THE EVENING. AREAS OF SMOKE UNTIL EARLY MORNING. WAVES 1 TO
2 FEET.
SATURDAY
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHEAST EARLY IN THE AFTERNOON, THEN BECOMING EAST
LATE IN THE AFTERNOON. PATCHY SMOKE IN THE MORNING, THEN AREAS OF
SMOKE IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTHWEST EARLY
IN THE MORNING. SMOKE. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS. SMOKE IN THE MORNING. WAVES
1 FOOT OR LESS.
LSZ146-180400-
PORT WING TO SAND ISLAND WI-
336 PM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST LATE IN THE EVENING, THEN BECOMING
WEST AFTER MIDNIGHT. CHANCE OF SHOWERS EARLY IN THE EVENING.
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF
SHOWERS LATE IN THE EVENING. AREAS OF SMOKE UNTIL EARLY MORNING.
WAVES 1 FOOT OR LESS.
SATURDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. PATCHY SMOKE IN THE MORNING, THEN SMOKE IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. SMOKE. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS. SMOKE IN THE MORNING. WAVES
1 FOOT OR LESS.
LSZ147-180400-
SAND ISLAND TO BAYFIELD WI-
336 PM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING WEST IN THE LATE
EVENING AND OVERNIGHT. CHANCE OF SHOWERS EARLY IN THE EVENING.
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF
SHOWERS LATE IN THE EVENING. AREAS OF SMOKE UNTIL EARLY MORNING.
WAVES 1 FOOT OR LESS.
SATURDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN
THE AFTERNOON. PATCHY SMOKE IN THE MORNING, THEN AREAS OF SMOKE
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN
THE MORNING. SMOKE. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS IN THE MORNING BECOMING VARIABLE
10 KNOTS OR LESS, THEN BECOMING SOUTHEAST 5 KNOTS LATE IN THE
AFTERNOON. SMOKE IN THE MORNING. WAVES 1 FOOT OR LESS.
LSZ150-180400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
336 PM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST IN THE LATE EVENING AND OVERNIGHT. CHANCE
OF SHOWERS EARLY IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. SLIGHT CHANCE OF SHOWERS LATE IN THE EVENING.
SMOKE EARLY IN THE EVENING. AREAS OF SMOKE IN THE LATE EVENING
AND EARLY MORNING, THEN PATCHY SMOKE LATE IN THE NIGHT. WAVES
1 FOOT OR LESS.
SATURDAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING SOUTHWEST
5 KNOTS IN THE AFTERNOON. PATCHY SMOKE IN THE MORNING, THEN AREAS
OF SMOKE IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. SMOKE. WAVES 1 FOOT
OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SMOKE IN THE MORNING. WAVES 1 FOOT OR LESS.
LSZ121-180400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
336 PM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS IN THE LATE EVENING
AND OVERNIGHT. CHANCE OF SHOWERS EARLY IN THE EVENING. CHANCE OF
THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF SHOWERS IN THE
LATE EVENING AND EARLY MORNING. AREAS OF SMOKE UNTIL EARLY
MORNING. PATCHY SMOKE LATE IN THE NIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. PATCHY SMOKE IN THE MORNING, THEN SMOKE IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS AFTER
MIDNIGHT. SMOKE. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS. SMOKE IN THE MORNING. WAVES
1 FOOT OR LESS.
LSZ148-180400-
OAK POINT TO SAXON HARBOR WI-
336 PM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 5 AM CDT SATURDAY
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS IN THE LATE EVENING
AND OVERNIGHT. CHANCE OF SHOWERS EARLY IN THE EVENING. CHANCE OF
THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF SHOWERS IN THE
LATE EVENING AND EARLY MORNING. AREAS OF SMOKE UNTIL EARLY
MORNING. PATCHY SMOKE LATE IN THE NIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE
IN THE AFTERNOON. PATCHY SMOKE IN THE MORNING, THEN SMOKE IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. SMOKE. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SMOKE IN THE MORNING. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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