191
FZUS53 KDLH 181822
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 PM CDT THU JUN 18 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.
LSZ140-182200-
GRAND PORTAGE TO GRAND MARAIS MN-
122 PM CDT THU JUN 18 2026
REST OF TODAY
WEST WIND 10 TO 15 KNOTS. SCATTERED RAIN SHOWERS
AND ISOLATED THUNDERSTORMS. WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS AFTER
MIDNIGHT. ISOLATED SHOWERS AND THUNDERSTORMS IN THE EVENING.
WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
LSZ141-182200-
GRAND MARAIS TO TACONITE HARBOR MN-
122 PM CDT THU JUN 18 2026
REST OF TODAY
WEST WIND 10 TO 15 KNOTS. ISOLATED SHOWERS AND
THUNDERSTORMS THROUGH THE DAY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY
SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST LATE IN
THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT BECOMING NORTHWEST 5 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF RAIN SHOWERS. WAVES 1 FOOT OR LESS.
LSZ142-182200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
122 PM CDT THU JUN 18 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS. ISOLATED RAIN SHOWERS.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY
SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHWEST 5 KNOTS EARLY
IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
LSZ143-182200-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 PM CDT THU JUN 18 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHWEST
5 KNOTS EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE
EVENING. WAVES 1 FOOT OR LESS.
LSZ144-182200-
TWO HARBORS TO DULUTH MN-
122 PM CDT THU JUN 18 2026
REST OF TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND OVERNIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ145-182200-
DULUTH MN TO PORT WING WI-
122 PM CDT THU JUN 18 2026
REST OF TODAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST LATE IN THE
AFTERNOON. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ146-182200-
PORT WING TO SAND ISLAND WI-
122 PM CDT THU JUN 18 2026
REST OF TODAY
WEST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS AFTER
MIDNIGHT. CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT OR
LESS.
LSZ147-182200-
SAND ISLAND TO BAYFIELD WI-
122 PM CDT THU JUN 18 2026
REST OF TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS EARLY IN
THE MORNING. CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT
OR LESS.
LSZ150-182200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 PM CDT THU JUN 18 2026
REST OF TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT.
CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ121-182200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
122 PM CDT THU JUN 18 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTH EARLY IN THE
AFTERNOON, THEN BECOMING EAST LATE IN THE AFTERNOON. CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT.
CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ148-182200-
OAK POINT TO SAXON HARBOR WI-
122 PM CDT THU JUN 18 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT.
CHANCE OF RAIN SHOWERS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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