730
FZUS53 KDLH 232332
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
632 PM CDT THU JUL 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.
LSZ140-241000-
GRAND PORTAGE TO GRAND MARAIS MN-
632 PM CDT THU JUL 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE EVENING. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY TO 7 FEET.
FRIDAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET LATE IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN THE
LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO 7 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
SATURDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE
AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ141-241000-
GRAND MARAIS TO TACONITE HARBOR MN-
632 PM CDT THU JUL 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS EARLY IN THE MORNING. 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 3 FEET.
SATURDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING AND AFTERNOON.
LSZ142-241000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
632 PM CDT THU JUL 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS EARLY IN THE MORNING. 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.
LSZ143-241000-
SILVER BAY HARBOR TO TWO HARBORS MN-
632 PM CDT THU JUL 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS EARLY IN THE MORNING. 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. PARTLY SUNNY IN THE MORNING THEN CLEARING.
WAVES 1 TO 2 FEET.
LSZ144-241000-
TWO HARBORS TO DULUTH MN-
632 PM CDT THU JUL 23 2026
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. WAVES 1 TO
2 FEET.
FRIDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF SHOWERS THROUGH THE NIGHT. CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS IN THE AFTERNOON. PARTLY SUNNY IN
THE MORNING THEN CLEARING. WAVES 1 TO 2 FEET.
LSZ145-241000-
DULUTH MN TO PORT WING WI-
632 PM CDT THU JUL 23 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF SHOWERS THROUGH THE NIGHT. CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS IN THE AFTERNOON. PARTLY SUNNY IN
THE MORNING THEN CLEARING. WAVES 1 TO 2 FEET.
LSZ146-241000-
PORT WING TO SAND ISLAND WI-
632 PM CDT THU JUL 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF 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 IN
THE MORNING. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES
1 TO 2 FEET.
LSZ147-241000-
SAND ISLAND TO BAYFIELD WI-
632 PM CDT THU JUL 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHWEST WIND 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE LATE EVENING AND EARLY MORNING, THEN EASING TO 10 KNOTS
WITH GUSTS TO AROUND 25 KNOTS EARLY IN THE MORNING. 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 IN
THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING. WAVES 1 TO 2 FEET.
LSZ150-241000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
632 PM CDT THU JUL 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS UNTIL EARLY MORNING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
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 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING AND AFTERNOON.
LSZ121-241000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
632 PM CDT THU JUL 23 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS EARLY IN THE MORNING. CHANCE OF
SHOWERS THROUGH THE NIGHT. CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 FOOT OR LESS.
LSZ148-241000-
OAK POINT TO SAXON HARBOR WI-
632 PM CDT THU JUL 23 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS IN THE AFTERNOON. CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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