018
FZUS53 KDLH 291600
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1100 AM CDT SAT AUG 29 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.
LSZ140-292200-
GRAND PORTAGE TO GRAND MARAIS MN-
1100 AM CDT SAT AUG 29 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING...
REST OF TODAY
SOUTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS
THROUGH THE DAY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS LATE IN THE EVENING, THEN
DECREASING TO 25 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
LSZ141-292200-
GRAND MARAIS TO TACONITE HARBOR MN-
1100 AM CDT SAT AUG 29 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING...
REST OF TODAY
EAST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN SHOWERS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
SUNDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ142-292200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1100 AM CDT SAT AUG 29 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING...
REST OF TODAY
NORTHEAST WIND 5 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE MORNING, THEN SLIGHT CHANCE OF RAIN
SHOWERS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
3 FEET.
SUNDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
LSZ143-292200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1100 AM CDT SAT AUG 29 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
LATE SUNDAY NIGHT...
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN SHOWERS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 30 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS. WAVES 1 TO
3 FEET.
SUNDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 20 KNOTS. CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
LSZ144-292200-
TWO HARBORS TO DULUTH MN-
1100 AM CDT SAT AUG 29 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
LATE SUNDAY NIGHT...
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN SHOWERS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 30 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS. WAVES 1 TO
2 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
SUNDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 20 KNOTS. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET.
LSZ145-292200-
DULUTH MN TO PORT WING WI-
1100 AM CDT SAT AUG 29 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
LATE SUNDAY NIGHT...
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE MORNING. CHANCE OF SHOWERS THROUGH THE
DAY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 30 KNOTS. SLIGHT CHANCE OF SHOWERS. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
SUNDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS EARLY IN THE MORNING. CHANCE OF
SHOWERS IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. SHOWERS LIKELY AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
LSZ146-292200-
PORT WING TO SAND ISLAND WI-
1100 AM CDT SAT AUG 29 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...
REST OF TODAY
EAST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE MORNING, THEN SLIGHT
CHANCE OF SHOWERS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
SUNDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY
AND SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
LSZ147-292200-
SAND ISLAND TO BAYFIELD WI-
1100 AM CDT SAT AUG 29 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...
REST OF TODAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE.
CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE MORNING, THEN
SLIGHT CHANCE OF SHOWERS LATE. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS.
SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
SUNDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS.
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
LSZ150-292200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1100 AM CDT SAT AUG 29 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...
REST OF TODAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE.
SHOWERS LIKELY LATE IN THE MORNING. CHANCE OF THUNDERSTORMS
THROUGH THE DAY. CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 FOOT
OR LESS.
TONIGHT
EAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS.
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET
BUILDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
SUNDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE EVENING,
THEN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
LSZ121-292200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1100 AM CDT SAT AUG 29 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...
REST OF TODAY
SOUTH WIND 5 KNOTS. SHOWERS LIKELY LATE IN THE
MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY. CHANCE
OF SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING EAST EARLY IN THE MORNING. SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
LSZ148-292200-
OAK POINT TO SAXON HARBOR WI-
1100 AM CDT SAT AUG 29 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...
REST OF TODAY
SOUTH WIND 5 KNOTS. SHOWERS LIKELY LATE IN THE
MORNING. CHANCE OF THUNDERSTORMS THROUGH THE DAY. CHANCE OF
SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST EARLY IN THE
MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
SUNDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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