177
FZUS53 KDLH 241822
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 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.
LSZ140-242200-
GRAND PORTAGE TO GRAND MARAIS MN-
122 PM CDT SUN MAY 24 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. PATCHY DENSE FOG EARLY IN THE AFTERNOON. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE DAY. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING. PATCHY DENSE FOG THROUGH THE NIGHT. 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 FOOT OR LESS.
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 FOOT OR LESS.
LSZ141-242200-
GRAND MARAIS TO TACONITE HARBOR MN-
122 PM CDT SUN MAY 24 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH
LATE. PATCHY DENSE FOG EARLY IN THE AFTERNOON. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH THE DAY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND OVERNIGHT. PATCHY DENSE FOG. 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.
LSZ142-242200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
122 PM CDT SUN MAY 24 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 KNOTS. PATCHY DENSE FOG. 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.
LSZ143-242200-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 PM CDT SUN MAY 24 2026
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH THE DAY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTH WIND 5 KNOTS. PATCHY DENSE FOG. 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.
LSZ144-242200-
TWO HARBORS TO DULUTH MN-
122 PM CDT SUN MAY 24 2026
REST OF TODAY
SOUTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING NORTHWEST AFTER MIDNIGHT.
PARTLY CLOUDY. 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.
LSZ145-242200-
DULUTH MN TO PORT WING WI-
122 PM CDT SUN MAY 24 2026
REST OF TODAY
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT. PARTLY CLOUDY.
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.
LSZ146-242200-
PORT WING TO SAND ISLAND WI-
122 PM CDT SUN MAY 24 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
EVENING, THEN BECOMING WEST AFTER MIDNIGHT. PARTLY CLOUDY. 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.
LSZ147-242200-
SAND ISLAND TO BAYFIELD WI-
122 PM CDT SUN MAY 24 2026
REST OF TODAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING NORTHWEST EARLY IN THE
MORNING. PARTLY CLOUDY. 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.
LSZ150-242200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 PM CDT SUN MAY 24 2026
REST OF TODAY
SOUTHEAST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG
EARLY IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
PARTLY CLOUDY. 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.
LSZ121-242200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
122 PM CDT SUN MAY 24 2026
REST OF TODAY
EAST WIND 5 KNOTS BECOMING SOUTHEAST LATE.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. 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.
LSZ148-242200-
OAK POINT TO SAXON HARBOR WI-
122 PM CDT SUN MAY 24 2026
REST OF TODAY
EAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
PARTLY CLOUDY. 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.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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