225
FZUS53 KDLH 301702
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1202 PM CDT SUN AUG 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-
1202 PM CDT SUN AUG 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF DRIZZLE. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. THUNDERSTORMS, RAIN SHOWERS LIKELY AND
CHANCE OF DRIZZLE AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING
SOUTHEAST LATE IN THE AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FEET.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN THE
LATE EVENING AND OVERNIGHT. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ141-302200-
GRAND MARAIS TO TACONITE HARBOR MN-
1202 PM CDT SUN AUG 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING
REST OF TODAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE. CHANCE OF DRIZZLE EARLY IN THE
AFTERNOON, THEN SLIGHT CHANCE OF DRIZZLE LATE. WAVES 1 TO 2 FEET
BUILDING TO 1 TO 3 FEET LATE.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND
THUNDERSTORMS LIKELY AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHEAST EARLY IN THE AFTERNOON, THEN BECOMING
SOUTHWEST LATE IN THE AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FEET.
MONDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST IN THE LATE
EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-302200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1202 PM CDT SUN AUG 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. CHANCE OF DRIZZLE EARLY IN THE AFTERNOON, THEN
SLIGHT CHANCE OF DRIZZLE LATE. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE EVENING, THEN RAIN SHOWERS WITH THUNDERSTORMS LIKELY AFTER
MIDNIGHT. WAVES 2 TO 4 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
WAVES 1 TO 3 FEET.
MONDAY NIGHT
WEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
LSZ143-302200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1202 PM CDT SUN AUG 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF DRIZZLE EARLY IN THE AFTERNOON.
WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH THE NIGHT. WAVES 2 TO 4 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING. WAVES 1 TO 3 FEET.
MONDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ144-302200-
TWO HARBORS TO DULUTH MN-
1202 PM CDT SUN AUG 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF DRIZZLE EARLY IN THE AFTERNOON.
WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 2 TO 4 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE MORNING, THEN BECOMING SOUTHWEST IN THE AFTERNOON. MOSTLY
CLOUDY IN THE MORNING THEN CLEARING. WAVES 1 TO 2 FEET.
MONDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ145-302200-
DULUTH MN TO PORT WING WI-
1202 PM CDT SUN AUG 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS LATE. SLIGHT CHANCE OF DRIZZLE
EARLY IN THE AFTERNOON. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS EARLY IN THE MORNING. CHANCE OF SHOWERS
AND THUNDERSTORMS THROUGH THE NIGHT. WAVES 2 TO 4 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN THE
MORNING, THEN BECOMING WEST IN THE AFTERNOON. MOSTLY CLOUDY IN
THE MORNING THEN CLEARING. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
LSZ146-302200-
PORT WING TO SAND ISLAND WI-
1202 PM CDT SUN AUG 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF DRIZZLE EARLY IN THE AFTERNOON.
WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 TO
3 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST WITH
GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY IN THE
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ147-302200-
SAND ISLAND TO BAYFIELD WI-
1202 PM CDT SUN AUG 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS LATE. SLIGHT CHANCE OF DRIZZLE
EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS. CHANCE
OF SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
MONDAY
EAST WIND 5 KNOTS BECOMING WEST WITH GUSTS TO AROUND
20 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ150-302200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1202 PM CDT SUN AUG 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF DRIZZLE. WAVES 2 TO 4 FEET.
TONIGHT
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH THE NIGHT. WAVES 2 TO 4 FEET.
MONDAY
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE IN THE
MORNING, THEN BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ121-302200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1202 PM CDT SUN AUG 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS LATE. MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
THE NIGHT. WAVES 1 TO 2 FEET.
MONDAY
EAST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
MORNING, THEN BECOMING NORTHWEST IN THE AFTERNOON. MOSTLY CLOUDY
IN THE MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
LSZ148-302200-
OAK POINT TO SAXON HARBOR WI-
1202 PM CDT SUN AUG 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS LATE. MOSTLY CLOUDY. WAVES 1 TO
2 FEET BUILDING TO 1 TO 3 FEET LATE.
TONIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. CHANCE
OF SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 TO
3 FEET.
MONDAY
SOUTHEAST WIND 5 KNOTS BECOMING WEST LATE IN THE
MORNING, THEN BECOMING NORTHWEST IN THE AFTERNOON. SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 FOOT OR
LESS.
MONDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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