953
FZUS53 KDLH 192022
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
322 PM CDT SUN JUL 19 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.
LSZ140-200400-
GRAND PORTAGE TO GRAND MARAIS MN-
322 PM CDT SUN JUL 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH
LATE MONDAY NIGHT...
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING THEN 20 KNOTS LATE IN THE NIGHT. PATCHY
SMOKE THROUGH THE NIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO
1 TO 3 FEET LATE IN THE NIGHT.
MONDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. PATCHY SMOKE IN THE
MORNING. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF THUNDERSTORMS AND
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 8 FEET.
MONDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST WITH GUSTS TO AROUND 25 KNOTS EARLY
IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER
MIDNIGHT.
TUESDAY
NORTH WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
IN THE LATE MORNING AND AFTERNOON. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
LSZ141-200400-
GRAND MARAIS TO TACONITE HARBOR MN-
322 PM CDT SUN JUL 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH
LATE MONDAY NIGHT...
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT BECOMING SOUTH
WITH GUSTS TO AROUND 20 KNOTS LATE IN THE NIGHT. SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE NIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. PATCHY
SMOKE IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 2 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PATCHY SMOKE IN THE MORNING. SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING. CHANCE OF RAIN SHOWERS THROUGH THE
DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET
BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
MONDAY NIGHT
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. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE EVENING AND OVERNIGHT.
TUESDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
LSZ142-200400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
322 PM CDT SUN JUL 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH
LATE MONDAY NIGHT...
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
EVENING, THEN BECOMING WEST AFTER MIDNIGHT BECOMING SOUTHWEST
WITH GUSTS TO AROUND 20 KNOTS LATE IN THE NIGHT. PATCHY SMOKE IN
THE LATE EVENING AND OVERNIGHT. CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. RAIN SHOWERS
LIKELY LATE IN THE NIGHT. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. GUSTS UP TO 25 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FEET.
MONDAY NIGHT
NORTHWEST WIND 5 TO 10 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
AND THUNDERSTORMS IN THE EVENING. WAVES 1 TO 2 FEET.
TUESDAY
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
LSZ143-200400-
SILVER BAY HARBOR TO TWO HARBORS MN-
322 PM CDT SUN JUL 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH
LATE MONDAY NIGHT...
TONIGHT
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE EVENING,
THEN BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS AFTER MIDNIGHT. PATCHY SMOKE AFTER MIDNIGHT. CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
PATCHY SMOKE IN THE AFTERNOON. WAVES 1 TO 3 FEET.
MONDAY NIGHT
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 EARLY IN THE MORNING. PATCHY SMOKE IN
THE EVENING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING. WAVES 1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING NORTH 5 TO
10 KNOTS IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
LSZ144-200400-
TWO HARBORS TO DULUTH MN-
322 PM CDT SUN JUL 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH
LATE MONDAY NIGHT...
TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING WEST 5 TO
15 KNOTS LATE IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. PATCHY SMOKE IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
MONDAY NIGHT
WEST WIND 15 TO 20 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. PATCHY SMOKE IN
THE EVENING. 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. MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
LSZ145-200400-
DULUTH MN TO PORT WING WI-
322 PM CDT SUN JUL 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH
LATE MONDAY NIGHT...
TONIGHT
SOUTHWEST WIND 5 KNOTS RISING TO 10 TO 15 KNOTS WITH
GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.
PATCHY SMOKE AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS
LATE IN THE NIGHT. WAVES 1 TO 2 FEET.
MONDAY
SOUTHWEST WIND 15 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS LATE IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. PATCHY SMOKE IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
MONDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PATCHY SMOKE IN THE EVENING. WAVES 1 TO 3 FEET.
TUESDAY
NORTHWEST WIND 15 TO 20 KNOTS BECOMING NORTH 10 TO
15 KNOTS LATE IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. MOSTLY
SUNNY. WAVES 1 TO 3 FEET.
LSZ146-200400-
PORT WING TO SAND ISLAND WI-
322 PM CDT SUN JUL 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH
LATE MONDAY NIGHT...
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PATCHY SMOKE AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE NIGHT. WAVES 1 TO 2 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
MONDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY
SMOKE IN THE EVENING. WAVES 1 TO 3 FEET.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING NORTH 5 TO
10 KNOTS IN THE AFTERNOON. GUSTS UP TO 20 KNOTS. MOSTLY SUNNY.
WAVES 1 TO 2 FEET.
LSZ147-200400-
SAND ISLAND TO BAYFIELD WI-
322 PM CDT SUN JUL 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH
LATE MONDAY NIGHT...
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. PATCHY SMOKE AFTER MIDNIGHT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE NIGHT. WAVES 1 TO 2 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FEET.
MONDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY
SMOKE IN THE EVENING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE EVENING. WAVES 1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 10 KNOTS RISING TO 10 TO 15 KNOTS IN
THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING NORTH 5 TO
10 KNOTS LATE IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
LSZ150-200400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
322 PM CDT SUN JUL 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH
LATE MONDAY NIGHT...
TONIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS LATE IN
THE NIGHT. PATCHY SMOKE THROUGH THE NIGHT. SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. CHANCE OF SHOWERS LATE IN THE NIGHT. WAVES 1 TO 2 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY.
WAVES 1 TO 3 FEET.
MONDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE IN
THE EVENING, THEN RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS AFTER MIDNIGHT. PATCHY SMOKE IN THE EVENING. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 TO
2 FEET.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING NORTH WITH GUSTS TO AROUND 30 KNOTS LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
LSZ121-200400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
322 PM CDT SUN JUL 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH
LATE MONDAY NIGHT...
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PATCHY SMOKE IN THE LATE EVENING AND OVERNIGHT. SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. CHANCE OF SHOWERS LATE IN THE NIGHT. WAVES 1 FOOT
OR LESS.
MONDAY
SOUTHWEST WIND 15 TO 20 KNOTS BECOMING WEST 10 TO
15 KNOTS LATE IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE OF SHOWERS THROUGH
THE DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
MONDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY SMOKE IN THE
EVENING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH WITH GUSTS TO AROUND 25 KNOTS LATE IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ148-200400-
OAK POINT TO SAXON HARBOR WI-
322 PM CDT SUN JUL 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT MONDAY THROUGH
LATE MONDAY NIGHT...
TONIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PATCHY SMOKE THROUGH THE NIGHT. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE NIGHT. WAVES 1 TO
2 FEET.
MONDAY
SOUTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS
LATE IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING. CHANCE OF SHOWERS THROUGH THE DAY.
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
MONDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER
MIDNIGHT, THEN RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EARLY IN THE MORNING. PATCHY SMOKE THROUGH THE NIGHT.
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF
SHOWERS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING NORTH WITH GUSTS TO AROUND 30 KNOTS LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 1 TO
3 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page