686
FZUS53 KDLH 230623
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 AM CDT TUE JUN 23 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.
LSZ140-231600-
GRAND PORTAGE TO GRAND MARAIS MN-
122 AM CDT TUE JUN 23 2026
TODAY
NORTH WIND 5 KNOTS BECOMING SOUTH IN THE LATE MORNING
AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. CHANCE OF RAIN SHOWERS THROUGH
THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND
AFTERNOON.
WEDNESDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTH 5 KNOTS EARLY IN THE MORNING.
MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
LSZ141-231600-
GRAND MARAIS TO TACONITE HARBOR MN-
122 AM CDT TUE JUN 23 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS IN
THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
WEDNESDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE DAY. WAVES 1 TO 3 FEET.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ142-231600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
122 AM CDT TUE JUN 23 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST 5 TO
10 KNOTS IN THE AFTERNOON. MOSTLY SUNNY UNTIL LATE AFTERNOON THEN
BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE AFTERNOON. PATCHY FOG IN THE MORNING. CHANCE OF RAIN
SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
LSZ143-231600-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 AM CDT TUE JUN 23 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND
AFTERNOON. MOSTLY SUNNY UNTIL LATE AFTERNOON THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. CHANCE OF RAIN SHOWERS IN THE MORNING, THEN SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS UNTIL EARLY
MORNING BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
LSZ144-231600-
TWO HARBORS TO DULUTH MN-
122 AM CDT TUE JUN 23 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES
1 TO 3 FEET.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ145-231600-
DULUTH MN TO PORT WING WI-
122 AM CDT TUE JUN 23 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. PATCHY FOG
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS. WAVES 1 TO 2 FEET.
LSZ146-231600-
PORT WING TO SAND ISLAND WI-
122 AM CDT TUE JUN 23 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND
AFTERNOON. MOSTLY SUNNY UNTIL LATE AFTERNOON THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. PATCHY FOG
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. CHANCE OF RAIN SHOWERS IN THE MORNING, THEN SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
LSZ147-231600-
SAND ISLAND TO BAYFIELD WI-
122 AM CDT TUE JUN 23 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 TO
10 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS. RAIN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. CHANCE OF RAIN SHOWERS IN THE MORNING, THEN SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS. WAVES 1 TO 2 FEET.
LSZ150-231600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 AM CDT TUE JUN 23 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 TO
10 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EASING TO 5 KNOTS EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. WAVES 1 TO
2 FEET.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. RAIN SHOWERS LIKELY
IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 TO 3 FEET.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS.
WAVES 1 TO 3 FEET.
LSZ121-231600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
122 AM CDT TUE JUN 23 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 TO
10 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. RAIN SHOWERS LIKELY IN
THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
RAIN SHOWERS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTH WIND 5 KNOTS. SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE
NIGHT. WAVES 1 TO 2 FEET.
LSZ148-231600-
OAK POINT TO SAXON HARBOR WI-
122 AM CDT TUE JUN 23 2026
TODAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST 5 TO
10 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
TONIGHT
EAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS IN THE
EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHEAST WIND 5 KNOTS BECOMING NORTH IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. CHANCE OF RAIN SHOWERS
THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTH WIND 5 KNOTS. SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE
NIGHT. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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