431
FZUS53 KDLH 282308
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
608 PM CDT TUE JUL 28 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.
LSZ140-291000-
GRAND PORTAGE TO GRAND MARAIS MN-
608 PM CDT TUE JUL 28 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG LATE
IN THE EVENING. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS BECOMING NORTHEAST AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. PATCHY
SMOKE AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE MORNING
AND EARLY AFTERNOON, THEN BECOMING SOUTHWEST WITH GUSTS TO AROUND
20 KNOTS LATE IN THE AFTERNOON. PATCHY SMOKE IN THE MORNING.
SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ141-291000-
GRAND MARAIS TO TACONITE HARBOR MN-
608 PM CDT TUE JUL 28 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY
REST OF TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY FOG
LATE IN THE EVENING. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS
THROUGH THE NIGHT. PATCHY SMOKE AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTH
5 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
WEST LATE IN THE AFTERNOON. PATCHY SMOKE THROUGH THE DAY. SLIGHT
CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ142-291000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
608 PM CDT TUE JUL 28 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY
REST OF TONIGHT
EAST WIND 5 KNOTS BECOMING NORTHEAST IN THE
LATE EVENING AND EARLY MORNING, THEN BECOMING VARIABLE 10 KNOTS
OR LESS TOWARD DAYBREAK. MOSTLY CLOUDY UNTIL EARLY MORNING THEN
BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING EAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. PATCHY SMOKE AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
THURSDAY
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY SMOKE THROUGH
THE DAY. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
LSZ143-291000-
SILVER BAY HARBOR TO TWO HARBORS MN-
608 PM CDT TUE JUL 28 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY EARLY IN
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING EAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
THURSDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTH
5 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
SOUTHWEST LATE IN THE AFTERNOON. PATCHY SMOKE THROUGH THE DAY.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
LSZ144-291000-
TWO HARBORS TO DULUTH MN-
608 PM CDT TUE JUL 28 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS. PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE MORNING
AND EARLY AFTERNOON, THEN BECOMING SOUTHWEST LATE IN THE
AFTERNOON. PATCHY SMOKE THROUGH THE DAY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ145-291000-
DULUTH MN TO PORT WING WI-
608 PM CDT TUE JUL 28 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS. PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. PATCHY SMOKE THROUGH THE DAY. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ146-291000-
PORT WING TO SAND ISLAND WI-
608 PM CDT TUE JUL 28 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY
REST OF TONIGHT
EAST WIND 5 KNOTS. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. SLIGHT
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. WAVES 1 FOOT OR LESS.
THURSDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING WEST 5 KNOTS
IN THE LATE MORNING AND AFTERNOON. PATCHY SMOKE THROUGH THE DAY.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
LSZ147-291000-
SAND ISLAND TO BAYFIELD WI-
608 PM CDT TUE JUL 28 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY
REST OF TONIGHT
SOUTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING. PATCHY SMOKE THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY SMOKE THROUGH
THE DAY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ150-291000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
608 PM CDT TUE JUL 28 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY
REST OF TONIGHT
EAST WIND 5 KNOTS. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING. PATCHY SMOKE THROUGH THE NIGHT. WAVES
1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 5 KNOTS. PATCHY SMOKE THROUGH THE DAY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
LSZ121-291000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
608 PM CDT TUE JUL 28 2026
REST OF TONIGHT
EAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS
AFTER MIDNIGHT BECOMING SOUTHWEST. SLIGHT CHANCE OF SHOWERS IN
THE EVENING. PATCHY SMOKE THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
SOUTHWEST WIND 5 KNOTS. PATCHY SMOKE THROUGH THE DAY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
LSZ148-291000-
OAK POINT TO SAXON HARBOR WI-
608 PM CDT TUE JUL 28 2026
REST OF TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTH EARLY IN THE
MORNING. SLIGHT CHANCE OF SHOWERS IN THE EVENING. PATCHY SMOKE
THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 5 KNOTS. PATCHY SMOKE THROUGH THE DAY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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