444
FZUS53 KDLH 232200
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
500 PM CDT SAT MAY 23 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.
LSZ140-240400-
GRAND PORTAGE TO GRAND MARAIS MN-
500 PM CDT SAT MAY 23 2026
TONIGHT
EAST WIND 10 TO 15 KNOTS EASING TO 5 KNOTS AFTER
MIDNIGHT, THEN BECOMING SOUTH LATE IN THE NIGHT. RAIN SHOWERS
LIKELY EARLY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS
IN THE LATE EVENING AND EARLY MORNING. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
MONDAY
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ141-240400-
GRAND MARAIS TO TACONITE HARBOR MN-
500 PM CDT SAT MAY 23 2026
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST AFTER
MIDNIGHT, THEN BECOMING WEST LATE IN THE NIGHT. SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
SOUTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHWEST
5 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
MONDAY
EAST WIND 5 KNOTS BECOMING SOUTH LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-240400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
500 PM CDT SAT MAY 23 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING WEST LATE IN THE
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT
BECOMING SOUTHWEST 5 KNOTS LATE IN THE NIGHT. SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ143-240400-
SILVER BAY HARBOR TO TWO HARBORS MN-
500 PM CDT SAT MAY 23 2026
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS BECOMING WEST 5 KNOTS
LATE IN THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS
AFTER MIDNIGHT BECOMING SOUTHWEST 5 KNOTS LATE IN THE NIGHT.
MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
EAST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT.
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTH 5 KNOTS
LATE IN THE MORNING, THEN BECOMING SOUTHEAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-240400-
TWO HARBORS TO DULUTH MN-
500 PM CDT SAT MAY 23 2026
TONIGHT
EAST WIND 10 TO 15 KNOTS BECOMING WEST 5 KNOTS LATE IN
THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT BECOMING SOUTHWEST 5 KNOTS LATE IN THE NIGHT. MOSTLY
CLOUDY. WAVES 1 TO 3 FEET.
SUNDAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
SUNDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
MONDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-240400-
DULUTH MN TO PORT WING WI-
500 PM CDT SAT MAY 23 2026
TONIGHT
EAST WIND 10 TO 15 KNOTS BECOMING WEST 5 KNOTS LATE IN
THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT BECOMING SOUTHWEST 5 KNOTS LATE IN THE NIGHT. MOSTLY
CLOUDY. WAVES 1 TO 3 FEET.
SUNDAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
SUNDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-240400-
PORT WING TO SAND ISLAND WI-
500 PM CDT SAT MAY 23 2026
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS BECOMING WEST 5 KNOTS IN
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS
EARLY IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
SUNDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE MORNING,
THEN BECOMING NORTHEAST IN THE AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ147-240400-
SAND ISLAND TO BAYFIELD WI-
500 PM CDT SAT MAY 23 2026
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST AFTER
MIDNIGHT. CHANCE OF RAIN SHOWERS EARLY IN THE EVENING. WAVES 1 TO
2 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT, THEN BECOMING SOUTH EARLY IN THE MORNING. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
MONDAY
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
MORNING, THEN BECOMING EAST IN THE AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ150-240400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
500 PM CDT SAT MAY 23 2026
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN
THE EVENING, THEN BECOMING WEST AFTER MIDNIGHT. CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS
LATE IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-240400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
500 PM CDT SAT MAY 23 2026
TONIGHT
SOUTH WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS AFTER
MIDNIGHT. CHANCE OF RAIN SHOWERS EARLY IN THE EVENING. WAVES
1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
SUNDAY NIGHT
SOUTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-240400-
OAK POINT TO SAXON HARBOR WI-
500 PM CDT SAT MAY 23 2026
TONIGHT
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE EVENING,
THEN BECOMING SOUTHWEST AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS
EARLY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN
THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
SOUTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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