875
FZUS53 KDLH 231703
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1203 PM CDT THU APR 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.
LSZ140-232200-
GRAND PORTAGE TO GRAND MARAIS MN-
1203 PM CDT THU APR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF RAIN AND THUNDERSTORMS LATE.
WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
EARLY IN THE EVENING. RAIN AND CHANCE OF THUNDERSTORMS. WAVES
3 TO 5 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST WITH GUSTS TO AROUND 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. RAIN AND CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON. WAVES 3 TO
5 FEET.
FRIDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 3 FEET.
LSZ141-232200-
GRAND MARAIS TO TACONITE HARBOR MN-
1203 PM CDT THU APR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF RAIN AND THUNDERSTORMS LATE. WAVES
3 TO 5 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. RAIN
LIKELY IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
RAIN AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
FRIDAY
NORTH WIND 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING
AND AFTERNOON. CHANCE OF RAIN AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
WAVES 2 TO 4 FEET.
FRIDAY NIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
LSZ142-232200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1203 PM CDT THU APR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. CHANCE OF RAIN
AND THUNDERSTORMS LATE. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. RAIN IN THE EVENING. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN LIKELY AFTER MIDNIGHT.
WAVES 2 TO 4 FEET.
FRIDAY
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST IN THE AFTERNOON. CHANCE OF RAIN IN THE
MORNING. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ143-232200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1203 PM CDT THU APR 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. CHANCE OF RAIN
AND THUNDERSTORMS LATE. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS BECOMING NORTHWEST 5 TO
10 KNOTS EARLY IN THE MORNING. RAIN IN THE EVENING. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN LIKELY AFTER MIDNIGHT.
WAVES 2 TO 4 FEET.
FRIDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE MORNING. CHANCE OF RAIN IN THE MORNING. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ144-232200-
TWO HARBORS TO DULUTH MN-
1203 PM CDT THU APR 23 2026
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. SLIGHT CHANCE OF
RAIN AND THUNDERSTORMS EARLY IN THE AFTERNOON, THEN CHANCE OF
RAIN AND THUNDERSTORMS LATE. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS BECOMING WEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. RAIN
IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN
LIKELY AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET
EARLY IN THE MORNING.
FRIDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
MORNING. CHANCE OF RAIN IN THE MORNING. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ145-232200-
DULUTH MN TO PORT WING WI-
1203 PM CDT THU APR 23 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF RAIN AND THUNDERSTORMS EARLY IN
THE AFTERNOON, THEN RAIN LIKELY AND CHANCE OF THUNDERSTORMS LATE.
WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTH AFTER MIDNIGHT, THEN BECOMING WEST 5 TO
10 KNOTS EARLY IN THE MORNING. RAIN IN THE EVENING. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN LIKELY AFTER MIDNIGHT.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.
FRIDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EASING TO 5 TO 10 KNOTS IN THE AFTERNOON. CHANCE OF RAIN IN THE
MORNING. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ146-232200-
PORT WING TO SAND ISLAND WI-
1203 PM CDT THU APR 23 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. CHANCE OF RAIN
AND THUNDERSTORMS LATE. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS BECOMING WEST EARLY IN
THE MORNING. RAIN IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. RAIN LIKELY AFTER MIDNIGHT. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.
FRIDAY
WEST WIND 10 TO 15 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. CHANCE OF RAIN IN THE MORNING. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ147-232200-
SAND ISLAND TO BAYFIELD WI-
1203 PM CDT THU APR 23 2026
REST OF TODAY
SOUTHEAST WIND 10 TO 15 KNOTS. CHANCE OF RAIN
AND THUNDERSTORMS LATE. WAVES 1 TO 3 FEET.
TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST EARLY IN THE MORNING. RAIN IN THE EVENING.
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN LIKELY AFTER
MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE
MORNING.
FRIDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
MORNING. RAIN LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ150-232200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1203 PM CDT THU APR 23 2026
REST OF TODAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF RAIN AND THUNDERSTORMS LATE. WAVES 2 TO
4 FEET.
TONIGHT
SOUTHEAST WIND 15 TO 20 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS EARLY IN THE MORNING. RAIN AND CHANCE OF THUNDERSTORMS.
WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
FRIDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS UNTIL
LATE AFTERNOON. RAIN LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ121-232200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1203 PM CDT THU APR 23 2026
REST OF TODAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF RAIN AND THUNDERSTORMS LATE. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS EASING TO 10 KNOTS AFTER
MIDNIGHT, THEN BECOMING WEST EARLY IN THE MORNING. RAIN AND
CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS. RAIN LIKELY AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ148-232200-
OAK POINT TO SAXON HARBOR WI-
1203 PM CDT THU APR 23 2026
REST OF TODAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF RAIN AND THUNDERSTORMS LATE. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 TO 10 KNOTS EARLY IN THE MORNING. RAIN
AND CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET.
FRIDAY
WEST WIND 5 TO 10 KNOTS. RAIN LIKELY AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE MORNING. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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