511
FZUS53 KDLH 301822
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 PM CDT TUE JUN 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.
LSZ140-302200-
GRAND PORTAGE TO GRAND MARAIS MN-
122 PM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. PATCHY DENSE FOG EARLY IN THE AFTERNOON. WAVES
1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL EARLY MORNING. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. AREAS
OF DENSE FOG IN THE MORNING. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET IN THE LATE MORNING AND AFTERNOON.
WEDNESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. WAVES 1 TO 3 FEET.
LSZ141-302200-
GRAND MARAIS TO TACONITE HARBOR MN-
122 PM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. AREAS OF DENSE FOG IN
THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
1 FOOT OR LESS.
LSZ142-302200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
122 PM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT
OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS
EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ143-302200-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 PM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT
OR LESS.
LSZ144-302200-
TWO HARBORS TO DULUTH MN-
122 PM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ145-302200-
DULUTH MN TO PORT WING WI-
122 PM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ146-302200-
PORT WING TO SAND ISLAND WI-
122 PM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS LATE. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT
OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ147-302200-
SAND ISLAND TO BAYFIELD WI-
122 PM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ150-302200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 PM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS. PATCHY DENSE FOG EARLY
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ121-302200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
122 PM CDT TUE JUN 30 2026
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF
THUNDERSTORMS AND SLIGHT CHANCE OF SHOWERS IN THE EVENING. PATCHY
FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ148-302200-
OAK POINT TO SAXON HARBOR WI-
122 PM CDT TUE JUN 30 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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