705
FZUS53 KDLH 171022
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
522 AM 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.
LSZ140-171600-
GRAND PORTAGE TO GRAND MARAIS MN-
522 AM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TODAY
EAST WIND 5 TO 10 KNOTS. SMOKE UNTIL LATE AFTERNOON.
AREAS OF SMOKE LATE IN THE AFTERNOON. RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING. RAIN SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. AREAS OF SMOKE IN THE
EVENING, THEN PATCHY SMOKE AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 5 TO 10 KNOTS IN THE AFTERNOON. SMOKE
IN THE MORNING, THEN AREAS OF SMOKE IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PATCHY SMOKE IN THE
EVENING. WAVES 1 FOOT OR LESS.
LSZ141-171600-
GRAND MARAIS TO TACONITE HARBOR MN-
522 AM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TODAY
EAST WIND 5 KNOTS. SMOKE THROUGH THE DAY. RAIN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTHWEST WITH GUSTS
TO AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE OF
THUNDERSTORMS AND SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING.
AREAS OF SMOKE IN THE EVENING, THEN PATCHY SMOKE AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SATURDAY
NORTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON. SMOKE IN THE
MORNING, THEN AREAS OF SMOKE IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
SATURDAY NIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. AREAS OF SMOKE IN THE EVENING. WAVES
1 FOOT OR LESS.
LSZ142-171600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
522 AM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TODAY
NORTHEAST WIND 5 KNOTS. SMOKE THROUGH THE DAY. CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTHWEST WITH GUSTS
TO AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. AREAS OF
SMOKE IN THE EVENING. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST EARLY IN THE AFTERNOON, THEN BECOMING
VARIABLE 10 KNOTS OR LESS LATE IN THE AFTERNOON. AREAS OF SMOKE.
WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. AREAS OF SMOKE
IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ143-171600-
SILVER BAY HARBOR TO TWO HARBORS MN-
522 AM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TODAY
NORTHEAST WIND 5 KNOTS. SMOKE THROUGH THE DAY. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND OVERNIGHT. AREAS OF SMOKE IN THE EVENING. CHANCE OF
THUNDERSTORMS AND SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 FOOT OR LESS.
SATURDAY
NORTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHEAST EARLY IN THE AFTERNOON, THEN BECOMING
VARIABLE 10 KNOTS OR LESS LATE IN THE AFTERNOON. AREAS OF SMOKE.
WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. AREAS OF SMOKE
IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ144-171600-
TWO HARBORS TO DULUTH MN-
522 AM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. SMOKE IN THE MORNING, THEN AREAS OF SMOKE EARLY
IN THE AFTERNOON. SMOKE LATE IN THE AFTERNOON. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO
2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS IN THE LATE EVENING AND
OVERNIGHT. AREAS OF SMOKE IN THE EVENING. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 1 TO 2 FEET.
SATURDAY
NORTH WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. AREAS OF SMOKE. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTH 5 KNOTS EARLY IN
THE MORNING. AREAS OF SMOKE IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ145-171600-
DULUTH MN TO PORT WING WI-
522 AM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. SMOKE EARLY IN THE MORNING, THEN AREAS OF SMOKE
IN THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 TO 10 KNOTS AFTER MIDNIGHT. AREAS OF
SMOKE IN THE EVENING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING. WAVES 1 TO 2 FEET.
SATURDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST IN
THE AFTERNOON. AREAS OF SMOKE. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTH 5 KNOTS EARLY IN
THE MORNING. AREAS OF SMOKE IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ146-171600-
PORT WING TO SAND ISLAND WI-
522 AM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. SMOKE EARLY IN THE
MORNING, THEN AREAS OF SMOKE IN THE LATE MORNING AND AFTERNOON.
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. CHANCE OF THUNDERSTORMS LATE IN
THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE
IN THE EVENING, THEN BECOMING WEST AFTER MIDNIGHT. AREAS OF SMOKE
IN THE EVENING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST EARLY IN
THE AFTERNOON, THEN BECOMING VARIABLE 10 KNOTS OR LESS LATE IN
THE AFTERNOON. AREAS OF SMOKE. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY SMOKE
IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ147-171600-
SAND ISLAND TO BAYFIELD WI-
522 AM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TODAY
NORTHEAST WIND 5 KNOTS. SMOKE EARLY IN THE MORNING, THEN
AREAS OF SMOKE IN THE LATE MORNING AND EARLY AFTERNOON. SMOKE
LATE IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING WEST IN THE LATE
EVENING AND OVERNIGHT. AREAS OF SMOKE IN THE EVENING. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHWEST WIND 5 KNOTS BECOMING NORTH EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE AFTERNOON. AREAS
OF SMOKE. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. PATCHY SMOKE IN THE EVENING.
WAVES 1 FOOT OR LESS.
LSZ150-171600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
522 AM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TODAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SMOKE IN THE MORNING. AREAS OF SMOKE EARLY IN THE AFTERNOON.
SMOKE LATE IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING WEST IN THE LATE
EVENING AND OVERNIGHT. AREAS OF SMOKE IN THE EVENING. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN
THE AFTERNOON. SMOKE IN THE MORNING, THEN AREAS OF SMOKE IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTH WIND 5 KNOTS. AREAS OF SMOKE IN THE
EVENING. WAVES 1 FOOT OR LESS.
LSZ121-171600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
522 AM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TODAY
SOUTH WIND 5 KNOTS BECOMING NORTH WITH GUSTS TO AROUND
20 KNOTS LATE IN THE AFTERNOON. SMOKE IN THE MORNING. AREAS OF
SMOKE IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS EARLY IN THE
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF SHOWERS LATE IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING WEST IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING NORTHWEST EARLY IN THE
MORNING. AREAS OF SMOKE IN THE EVENING. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN
THE AFTERNOON. AREAS OF SMOKE THROUGH THE DAY. 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 EARLY
IN THE MORNING. PATCHY SMOKE IN THE EVENING. WAVES 1 FOOT OR
LESS.
LSZ148-171600-
OAK POINT TO SAXON HARBOR WI-
522 AM CDT FRI JUL 17 2026
..DENSE SMOKE ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TODAY
SOUTH WIND 5 KNOTS BECOMING EAST WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. SMOKE EARLY IN THE MORNING, THEN AREAS
OF SMOKE IN THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF SHOWERS IN THE
AFTERNOON. CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING WEST IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING WEST 5 TO 10 KNOTS EARLY
IN THE MORNING. AREAS OF SMOKE IN THE EVENING. CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHWEST WIND 5 TO 10 KNOTS 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
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. AREAS OF SMOKE IN THE EVENING. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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