507
FZUS53 KDLH 221648
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1148 AM CDT WED JUL 22 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.
LSZ140-222200-
GRAND PORTAGE TO GRAND MARAIS MN-
1148 AM CDT WED JUL 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING...
REST OF TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING WEST 15 TO
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. PARTLY
SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN
THE MORNING. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
THURSDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
2 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND EARLY
MORNING, THEN INCREASING TO 25 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
LSZ141-222200-
GRAND MARAIS TO TACONITE HARBOR MN-
1148 AM CDT WED JUL 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING...
REST OF TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING WEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. PARTLY
SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 TO 10 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 TO 3 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING. WAVES 1 TO 2 FEET.
LSZ142-222200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1148 AM CDT WED JUL 22 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 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.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
LSZ143-222200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1148 AM CDT WED JUL 22 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING THEN 20 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ144-222200-
TWO HARBORS TO DULUTH MN-
1148 AM CDT WED JUL 22 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ145-222200-
DULUTH MN TO PORT WING WI-
1148 AM CDT WED JUL 22 2026
REST OF TODAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
LATE. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ146-222200-
PORT WING TO SAND ISLAND WI-
1148 AM CDT WED JUL 22 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ147-222200-
SAND ISLAND TO BAYFIELD WI-
1148 AM CDT WED JUL 22 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ150-222200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1148 AM CDT WED JUL 22 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY SUNNY LATE
IN THE MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES
1 TO 2 FEET.
LSZ121-222200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1148 AM CDT WED JUL 22 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST EARLY
IN THE AFTERNOON, THEN BECOMING SOUTHEAST LATE. MOSTLY CLOUDY
LATE IN THE MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ148-222200-
OAK POINT TO SAXON HARBOR WI-
1148 AM CDT WED JUL 22 2026
REST OF TODAY
SOUTH WIND 5 KNOTS BECOMING SOUTHEAST LATE.
MOSTLY CLOUDY LATE IN THE MORNING THEN CLEARING. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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