121
FZUS53 KDLH 300523
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1223 AM CDT TUE JUN 30 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.
LSZ140-301600-
GRAND PORTAGE TO GRAND MARAIS MN-
1223 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. PATCHY DENSE FOG EARLY IN THE
MORNING. WAVES 1 TO 3 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
WEDNESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. CHANCE OF THUNDERSTORMS IN THE EVENING.
CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 TO 3 FEET.
LSZ141-301600-
GRAND MARAIS TO TACONITE HARBOR MN-
1223 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
TODAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHWEST 5 KNOTS WITH
GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND AFTERNOON.
PATCHY DENSE FOG EARLY IN THE MORNING. WAVES 1 TO 3 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE
NIGHT. WAVES 1 FOOT OR LESS.
LSZ142-301600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1223 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
...TORNADO WATCH 419 IN EFFECT UNTIL 2 AM CDT EARLY THIS
MORNING...
TODAY
SOUTHWEST WIND 5 KNOTS. GUSTS UP TO 20 KNOTS LATE IN THE
AFTERNOON. PATCHY DENSE FOG EARLY IN THE MORNING. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. CHANCE OF THUNDERSTORMS IN THE
EVENING. CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 FOOT
OR LESS.
LSZ143-301600-
SILVER BAY HARBOR TO TWO HARBORS MN-
1223 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
...TORNADO WATCH 419 IN EFFECT UNTIL 2 AM CDT EARLY THIS
MORNING...
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. PATCHY DENSE FOG EARLY IN THE MORNING. WAVES
1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN
SHOWERS THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ144-301600-
TWO HARBORS TO DULUTH MN-
1223 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
...TORNADO WATCH 419 IN EFFECT UNTIL 2 AM CDT EARLY THIS
MORNING...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. PATCHY DENSE FOG EARLY IN THE MORNING. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE
NIGHT. WAVES 1 FOOT OR LESS.
LSZ145-301600-
DULUTH MN TO PORT WING WI-
1223 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
...TORNADO WATCH 419 IN EFFECT UNTIL 2 AM CDT EARLY THIS
MORNING...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. PATCHY DENSE FOG EARLY IN THE MORNING. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE
NIGHT. WAVES 1 FOOT OR LESS.
LSZ146-301600-
PORT WING TO SAND ISLAND WI-
1223 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. PATCHY DENSE FOG EARLY IN THE MORNING. WAVES
1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. CHANCE OF
THUNDERSTORMS IN THE EVENING. RAIN SHOWERS LIKELY THROUGH THE
NIGHT. WAVES 1 FOOT OR LESS.
LSZ147-301600-
SAND ISLAND TO BAYFIELD WI-
1223 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG EARLY IN
THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. RAIN SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ150-301600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1223 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. RAIN SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ121-301600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1223 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. CHANCE OF
THUNDERSTORMS IN THE EVENING. SHOWERS LIKELY THROUGH THE NIGHT.
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
LSZ148-301600-
OAK POINT TO SAXON HARBOR WI-
1223 AM CDT TUE JUN 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. CHANCE OF
THUNDERSTORMS IN THE EVENING. SHOWERS LIKELY THROUGH THE NIGHT.
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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