192
FZUS53 KDLH 242200
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
500 PM CDT SUN MAY 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.
LSZ140-250400-
GRAND PORTAGE TO GRAND MARAIS MN-
500 PM CDT SUN MAY 24 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
EARLY IN THE EVENING. PATCHY DENSE FOG AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
MONDAY
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG IN THE
MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY
IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING. WAVES 1 TO 2 FEET.
TUESDAY
WEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ141-250400-
GRAND MARAIS TO TACONITE HARBOR MN-
500 PM CDT SUN MAY 24 2026
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND OVERNIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS EARLY IN THE EVENING. PATCHY DENSE FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
MONDAY
NORTH WIND 5 KNOTS BECOMING SOUTH IN THE LATE MORNING
AND AFTERNOON. PATCHY DENSE FOG IN THE MORNING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
WEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
MORNING, THEN BECOMING SOUTHEAST EARLY IN THE AFTERNOON BECOMING
EAST LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-250400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
500 PM CDT SUN MAY 24 2026
TONIGHT
NORTH WIND 5 KNOTS. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE EVENING. PATCHY DENSE FOG
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
MONDAY
NORTH WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND EARLY AFTERNOON, THEN BECOMING WEST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTH WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES
1 FOOT OR LESS.
TUESDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-250400-
SILVER BAY HARBOR TO TWO HARBORS MN-
500 PM CDT SUN MAY 24 2026
TONIGHT
NORTH WIND 5 KNOTS. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE EVENING. PATCHY DENSE FOG
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
MONDAY
NORTH WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
MORNING, THEN BECOMING EAST IN THE AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ144-250400-
TWO HARBORS TO DULUTH MN-
500 PM CDT SUN MAY 24 2026
TONIGHT
EAST WIND 5 KNOTS BECOMING NORTHWEST AFTER MIDNIGHT.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS EARLY
IN THE EVENING. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY
IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
MORNING, THEN BECOMING SOUTHEAST EARLY IN THE AFTERNOON BECOMING
EAST LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-250400-
DULUTH MN TO PORT WING WI-
500 PM CDT SUN MAY 24 2026
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING.
WAVES 1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
TUESDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE MORNING,
THEN BECOMING EAST IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ146-250400-
PORT WING TO SAND ISLAND WI-
500 PM CDT SUN MAY 24 2026
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
EVENING, THEN BECOMING WEST AFTER MIDNIGHT. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING.
WAVES 1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
TUESDAY
WEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING EAST 5 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-250400-
SAND ISLAND TO BAYFIELD WI-
500 PM CDT SUN MAY 24 2026
TONIGHT
SOUTH WIND 5 KNOTS BECOMING NORTHWEST LATE IN THE
NIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE EVENING. WAVES 1 FOOT OR LESS.
MONDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
TUESDAY
WEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING EAST 5 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-250400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
500 PM CDT SUN MAY 24 2026
TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS EARLY
IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
EVENING. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
TUESDAY
WEST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-250400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
500 PM CDT SUN MAY 24 2026
TONIGHT
SOUTHWEST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING. WAVES 1 FOOT
OR LESS.
MONDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-250400-
OAK POINT TO SAXON HARBOR WI-
500 PM CDT SUN MAY 24 2026
TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST 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. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page