305
FZUS53 KDLH 240504
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1204 AM CDT FRI JUL 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.
LSZ140-241615-
GRAND PORTAGE TO GRAND MARAIS MN-
1204 AM CDT FRI JUL 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
SATURDAY MORNING...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS LATE IN THE AFTERNOON. SUNNY UNTIL LATE
AFTERNOON THEN BECOMING PARTLY SUNNY. WAVES 2 TO 4 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES
3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 7 FEET.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH IN THE
LATE EVENING AND OVERNIGHT. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ141-241615-
GRAND MARAIS TO TACONITE HARBOR MN-
1204 AM CDT FRI JUL 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
LATE TONIGHT...
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO
2 FEET BUILDING TO 1 TO 3 FEET AFTER MIDNIGHT.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. PATCHY FOG IN THE AFTERNOON. WAVES 1 TO
3 FEET.
SATURDAY NIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
NORTH, THEN BECOMING NORTHEAST AFTER MIDNIGHT BECOMING VARIABLE
10 KNOTS OR LESS. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-241615-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1204 AM CDT FRI JUL 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
LATE TONIGHT...
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 30 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON. PATCHY FOG
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING. PATCHY FOG IN THE AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ143-241615-
SILVER BAY HARBOR TO TWO HARBORS MN-
1204 AM CDT FRI JUL 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
LATE TONIGHT...
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 30 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN SHOWERS
THROUGH THE NIGHT. CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES
1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTH WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ144-241615-
TWO HARBORS TO DULUTH MN-
1204 AM CDT FRI JUL 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
LATE TONIGHT...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTH IN THE
LATE EVENING AND EARLY MORNING, THEN BECOMING NORTHEAST EARLY IN
THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ145-241615-
DULUTH MN TO PORT WING WI-
1204 AM CDT FRI JUL 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
LATE TONIGHT...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTH LATE IN
THE EVENING, THEN BECOMING EAST AFTER MIDNIGHT. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
LSZ146-241615-
PORT WING TO SAND ISLAND WI-
1204 AM CDT FRI JUL 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
SATURDAY MORNING...
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ147-241615-
SAND ISLAND TO BAYFIELD WI-
1204 AM CDT FRI JUL 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
SATURDAY MORNING...
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY UNTIL LATE AFTERNOON THEN BECOMING PARTLY SUNNY. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
SOUTH WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ150-241615-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1204 AM CDT FRI JUL 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
SATURDAY MORNING...
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY UNTIL LATE AFTERNOON THEN BECOMING PARTLY SUNNY. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING
AND AFTERNOON.
SATURDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE
EVENING, THEN BECOMING EAST AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ121-241615-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1204 AM CDT FRI JUL 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
SATURDAY MORNING...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY UNTIL LATE AFTERNOON THEN BECOMING PARTLY SUNNY. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ148-241615-
OAK POINT TO SAXON HARBOR WI-
1204 AM CDT FRI JUL 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
SATURDAY MORNING...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY UNTIL LATE AFTERNOON THEN BECOMING PARTLY SUNNY. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH LATE IN THE AFTERNOON. CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN
THE LATE EVENING AND EARLY MORNING, THEN BECOMING SOUTHEAST EARLY
IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
JDS
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