188
FZUS53 KDLH 310400
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1100 PM CDT THU JUL 30 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.
LSZ140-311000-
GRAND PORTAGE TO GRAND MARAIS MN-
1100 PM CDT THU JUL 30 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. PATCHY FOG TOWARD
DAYBREAK. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE DAY. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 TO 2 FEET.
LSZ141-311000-
GRAND MARAIS TO TACONITE HARBOR MN-
1100 PM CDT THU JUL 30 2026
REST OF TONIGHT
WEST WIND 5 KNOTS. CLOUDY. WAVES 1 FOOT OR
LESS.
FRIDAY
WEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
PATCHY FOG IN THE EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST EARLY IN THE
AFTERNOON, THEN BECOMING NORTHEAST LATE IN THE AFTERNOON. SLIGHT
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ142-311000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1100 PM CDT THU JUL 30 2026
REST OF TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTH
5 KNOTS EARLY IN THE MORNING. PATCHY FOG IN THE EVENING. WAVES
1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHEAST 5 KNOTS EARLY
IN THE AFTERNOON BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-311000-
SILVER BAY HARBOR TO TWO HARBORS MN-
1100 PM CDT THU JUL 30 2026
REST OF TONIGHT
WEST WIND 5 KNOTS. CLOUDY. WAVES 1 FOOT OR
LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLOUDY IN
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ144-311000-
TWO HARBORS TO DULUTH MN-
1100 PM CDT THU JUL 30 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTH EARLY IN THE
MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
LSZ145-311000-
DULUTH MN TO PORT WING WI-
1100 PM CDT THU JUL 30 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
SOUTH WIND 5 KNOTS BECOMING WEST IN THE LATE MORNING
AND EARLY AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE
AFTERNOON. CHANCE OF SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT, THEN BECOMING NORTH EARLY IN THE MORNING. SLIGHT CHANCE
OF SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
LSZ146-311000-
PORT WING TO SAND ISLAND WI-
1100 PM CDT THU JUL 30 2026
REST OF TONIGHT
SOUTHWEST WIND 5 KNOTS. CLOUDY. WAVES 1 FOOT
OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTH 5 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ147-311000-
SAND ISLAND TO BAYFIELD WI-
1100 PM CDT THU JUL 30 2026
REST OF TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS LATE
IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE MORNING. SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE DAY. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTH 5 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ150-311000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1100 PM CDT THU JUL 30 2026
REST OF TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY.
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTH EARLY IN
THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. PATCHY
DENSE FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ121-311000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1100 PM CDT THU JUL 30 2026
REST OF TONIGHT
SOUTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE DAY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTH 5 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS IN THE EVENING.
WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
LSZ148-311000-
OAK POINT TO SAXON HARBOR WI-
1100 PM CDT THU JUL 30 2026
REST OF TONIGHT
SOUTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE
DAY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTH 5 KNOTS EARLY IN
THE MORNING. CHANCE OF SHOWERS IN THE EVENING. WAVES 1 FOOT OR
LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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