311
FZUS53 KDLH 091147
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
647 AM CDT THU JUL 9 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.
LSZ140-091600-
GRAND PORTAGE TO GRAND MARAIS MN-
647 AM CDT THU JUL 9 2026
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. PATCHY FOG EARLY IN THE MORNING. PATCHY FOG EARLY IN
THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS. PATCHY DENSE FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
EVENING AND OVERNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ141-091600-
GRAND MARAIS TO TACONITE HARBOR MN-
647 AM CDT THU JUL 9 2026
TODAY
EAST WIND 5 KNOTS. PATCHY DENSE FOG EARLY IN THE
MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST LATE IN THE
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ142-091600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
647 AM CDT THU JUL 9 2026
TODAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. PATCHY DENSE FOG EARLY IN THE MORNING. WAVES
1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS IN THE EVENING BECOMING VARIABLE
10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ143-091600-
SILVER BAY HARBOR TO TWO HARBORS MN-
647 AM CDT THU JUL 9 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST
5 KNOTS LATE IN THE MORNING, THEN BECOMING EAST IN THE AFTERNOON.
PATCHY DENSE FOG EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ144-091600-
TWO HARBORS TO DULUTH MN-
647 AM CDT THU JUL 9 2026
TODAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
MORNING, THEN BECOMING EAST IN THE AFTERNOON. PATCHY DENSE FOG
EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ145-091600-
DULUTH MN TO PORT WING WI-
647 AM CDT THU JUL 9 2026
TODAY
NORTHEAST WIND 5 KNOTS. AREAS OF DENSE FOG EARLY IN THE
MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST 5 TO
10 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS IN THE
EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ146-091600-
PORT WING TO SAND ISLAND WI-
647 AM CDT THU JUL 9 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHWEST
5 KNOTS LATE IN THE MORNING, THEN BECOMING NORTHEAST IN THE
AFTERNOON. AREAS OF DENSE FOG EARLY IN THE MORNING, THEN PATCHY
FOG LATE IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ147-091600-
SAND ISLAND TO BAYFIELD WI-
647 AM CDT THU JUL 9 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTH 5 KNOTS
LATE IN THE MORNING, THEN BECOMING NORTHEAST IN THE AFTERNOON.
AREAS OF DENSE FOG EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS IN THE EVENING BECOMING VARIABLE
10 KNOTS OR LESS. PATCHY FOG. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
FRIDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE
IN THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE
NIGHT. WAVES 1 FOOT OR LESS.
LSZ150-091600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
647 AM CDT THU JUL 9 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS. AREAS OF DENSE FOG EARLY IN THE MORNING, THEN PATCHY FOG
IN THE LATE MORNING AND AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG IN THE EVENING, THEN AREAS
OF DENSE FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. AREAS OF DENSE FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
FRIDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE
IN THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE
NIGHT. WAVES 1 FOOT OR LESS.
LSZ121-091600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
647 AM CDT THU JUL 9 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. AREAS OF DENSE FOG
EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 TO
10 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ148-091600-
OAK POINT TO SAXON HARBOR WI-
647 AM CDT THU JUL 9 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. AREAS OF DENSE FOG
EARLY IN THE MORNING, THEN PATCHY FOG LATE IN THE MORNING. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY DENSE FOG IN THE EVENING, THEN
AREAS OF DENSE FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
FRIDAY NIGHT
NORTH WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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