378
FZUS53 KDLH 201922
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
222 PM CDT MON JUL 20 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.
LSZ140-210400-
GRAND PORTAGE TO GRAND MARAIS MN-
222 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
WEST 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 LATE IN THE NIGHT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
TUESDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
LSZ141-210400-
GRAND MARAIS TO TACONITE HARBOR MN-
222 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 30 KNOTS
BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
WEDNESDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST WITH
GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ142-210400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
222 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING NORTH 5 TO
10 KNOTS LATE IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
WEDNESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-210400-
SILVER BAY HARBOR TO TWO HARBORS MN-
222 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
WEDNESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-210400-
TWO HARBORS TO DULUTH MN-
222 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE IN THE EVENING, THEN INCREASING TO
25 KNOTS AFTER MIDNIGHT INCREASING TO 30 KNOTS LATE IN THE NIGHT.
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES
1 TO 2 FEET.
TUESDAY NIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 5 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHWEST WIND 5 KNOTS BECOMING WEST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-210400-
DULUTH MN TO PORT WING WI-
222 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE IN THE EVENING, THEN INCREASING TO
25 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING
AND OVERNIGHT.
TUESDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 3 FEET.
TUESDAY NIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 5 KNOTS EARLY IN THE MORNING. MOSTLY
CLEAR. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-210400-
PORT WING TO SAND ISLAND WI-
222 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE
OF SHOWERS AFTER MIDNIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS LATE IN THE NIGHT. WAVES 1 TO
3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND
OVERNIGHT.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING NORTH IN THE
AFTERNOON. GUSTS UP TO 20 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST EARLY IN THE MORNING. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-210400-
SAND ISLAND TO BAYFIELD WI-
222 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS LATE IN THE EVENING, THEN INCREASING TO
25 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING NORTH LATE IN
THE AFTERNOON. GUSTS UP TO 25 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. MOSTLY
CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-210400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
222 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS LATE IN THE EVENING, THEN INCREASING TO
25 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
TUESDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN
THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
LSZ121-210400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
222 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING WEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
25 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING NORTH LATE IN
THE AFTERNOON. GUSTS UP TO 25 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
TUESDAY NIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 5 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-210400-
OAK POINT TO SAXON HARBOR WI-
222 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS LATE IN THE EVENING, THEN INCREASING TO
25 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 15 TO 20 KNOTS BECOMING NORTH 10 TO
15 KNOTS LATE IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. PARTLY
SUNNY. WAVES 1 TO 3 FEET.
TUESDAY NIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 1 TO 3 FEET.
WEDNESDAY
NORTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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