012
FZUS53 KDLH 160421
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1121 PM CDT MON SEP 15 2025
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.
LSZ140-141-161015-
GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
1121 PM CDT MON SEP 15 2025
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS. PATCHY FOG AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
TUESDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH IN THE
LATE MORNING AND AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO
2 FEET.
TUESDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY
IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY. WAVES
1 FOOT OR LESS.
LSZ142-161015-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1121 PM CDT MON SEP 15 2025
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
TUESDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST IN THE LATE
EVENING AND OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. SLIGHT
CHANCE OF RAIN SHOWERS THROUGH THE DAY. WAVES 1 FOOT OR LESS.
LSZ143-161015-
SILVER BAY HARBOR TO TWO HARBORS MN-
1121 PM CDT MON SEP 15 2025
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
TUESDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST IN THE LATE
EVENING AND OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
1 FOOT OR LESS.
LSZ144-145-161015-
TWO HARBORS TO DULUTH MN-DULUTH MN TO PORT WING WI-
1121 PM CDT MON SEP 15 2025
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS THROUGH THE NIGHT. PATCHY FOG TOWARD DAYBREAK. WAVES 1 TO
2 FEET.
TUESDAY
EAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE MORNING
AND AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST IN THE
LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING NORTH LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
1 FOOT OR LESS.
LSZ146-161015-
PORT WING TO SAND ISLAND WI-
1121 PM CDT MON SEP 15 2025
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING EAST TOWARD
DAYBREAK. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. WAVES
1 FOOT OR LESS.
TUESDAY
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
MORNING, THEN BECOMING EAST IN THE AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING NORTH LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE MORNING. SLIGHT CHANCE
OF THUNDERSTORMS THROUGH THE DAY. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ147-161015-
SAND ISLAND TO BAYFIELD WI-
1121 PM CDT MON SEP 15 2025
REST OF TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH TOWARD
DAYBREAK. SLIGHT CHANCE OF SHOWERS THROUGH THE NIGHT. WAVES
1 FOOT OR LESS.
TUESDAY
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST EARLY IN
THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
1 FOOT OR LESS.
LSZ121-161015-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1121 PM CDT MON SEP 15 2025
REST OF TONIGHT
SOUTH WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
TUESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING NORTH EARLY IN THE
AFTERNOON, THEN BECOMING NORTHEAST LATE IN THE AFTERNOON. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
LSZ148-161015-
OAK POINT TO SAXON HARBOR WI-
1121 PM CDT MON SEP 15 2025
REST OF TONIGHT
SOUTH WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
TUESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST LATE IN
THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ150-161015-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1121 PM CDT MON SEP 15 2025
REST OF TONIGHT
SOUTH WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
SHOWERS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
TUESDAY
SOUTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
TUESDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
HA
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