308
FZUS53 KDLH 182002
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
302 PM CDT FRI JUL 18 2025
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.
LSZ140-141-190415-
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
302 PM CDT FRI JUL 18 2025
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
EVENING, THEN BECOMING WEST AFTER MIDNIGHT BECOMING NORTH LATE IN
THE NIGHT. CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. SLIGHT
CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. PATCHY
FOG LATE IN THE NIGHT. WAVES 1 TO 2 FEET.
SATURDAY
NORTH WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
AFTER MIDNIGHT. AREAS OF SMOKE THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
SUNDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST IN THE AFTERNOON.
AREAS OF SMOKE IN THE MORNING. WAVES 1 FOOT OR LESS.
LSZ142-143-190415-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
SILVER BAY HARBOR TO TWO HARBORS MN-
302 PM CDT FRI JUL 18 2025
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN THE
NIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN
THE AFTERNOON, THEN BECOMING SOUTHWEST LATE IN THE AFTERNOON.
PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. AREAS OF SMOKE THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. AREAS OF SMOKE IN THE MORNING. WAVES 1 FOOT OR
LESS.
LSZ144-190415-
TWO HARBORS TO DULUTH MN-
302 PM CDT FRI JUL 18 2025
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. RAIN SHOWERS LIKELY IN
THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. PATCHY FOG IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHWEST WIND 5 KNOTS. AREAS OF SMOKE AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. AREAS OF SMOKE IN THE MORNING. WAVES 1 FOOT OR
LESS.
LSZ145-190415-
DULUTH MN TO PORT WING WI-
302 PM CDT FRI JUL 18 2025
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE LATE
EVENING AND EARLY MORNING. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS LATE IN THE NIGHT. PATCHY FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
WEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
SUNDAY
WEST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-190415-
PORT WING TO SAND ISLAND WI-
302 PM CDT FRI JUL 18 2025
TONIGHT
EAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS IN THE
EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS
LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE AFTERNOON, THEN BECOMING SOUTHWEST LATE IN THE AFTERNOON.
PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
WEST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-190415-
SAND ISLAND TO BAYFIELD WI-
302 PM CDT FRI JUL 18 2025
TONIGHT
EAST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
NIGHT. CHANCE OF RAIN SHOWERS IN THE EVENING. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE AFTERNOON, THEN BECOMING SOUTH LATE IN THE AFTERNOON.
PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS
AFTER MIDNIGHT BECOMING VARIABLE 10 KNOTS OR LESS. AREAS OF SMOKE
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. AREAS OF SMOKE IN THE MORNING. WAVES 1 FOOT OR LESS.
LSZ150-190415-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
302 PM CDT FRI JUL 18 2025
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN THE
NIGHT. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. PATCHY FOG LATE IN THE NIGHT. WAVES 1 FOOT OR
LESS.
SATURDAY
NORTH WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHWEST LATE IN THE AFTERNOON. PATCHY
FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.
WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST EARLY
IN THE MORNING. AREAS OF SMOKE AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
SUNDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. AREAS OF SMOKE IN THE MORNING. WAVES
1 FOOT OR LESS.
LSZ121-190415-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
302 PM CDT FRI JUL 18 2025
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN
THE NIGHT. CHANCE OF RAIN SHOWERS IN THE EVENING. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES 1 FOOT
OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST
5 KNOTS AFTER MIDNIGHT BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ148-190415-
OAK POINT TO SAXON HARBOR WI-
302 PM CDT FRI JUL 18 2025
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN THE
NIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG LATE IN THE NIGHT. WAVES
1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES 1 FOOT
OR LESS.
SATURDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING
SOUTHWEST 5 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
WEST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
ROTHSTEIN
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