974
FZUS53 KDLH 191822
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 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.
LSZ140-192200-
GRAND PORTAGE TO GRAND MARAIS MN-
122 PM CDT SUN JUL 19 2026
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. PATCHY SMOKE THROUGH THE DAY. SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE AFTERNOON. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS LATE. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING THEN 20 KNOTS EARLY IN THE MORNING. PATCHY
SMOKE THROUGH THE NIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
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 7 FEET. A SMALL CRAFT ADVISORY MAY
BE NEEDED.
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. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ141-192200-
GRAND MARAIS TO TACONITE HARBOR MN-
122 PM CDT SUN JUL 19 2026
REST OF TODAY
SOUTH WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH THE DAY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT BECOMING SOUTH
WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. PATCHY SMOKE
THROUGH THE NIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING.
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
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 3 FEET.
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.
LSZ142-192200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
122 PM CDT SUN JUL 19 2026
REST OF TODAY
SOUTH WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
EVENING, THEN BECOMING WEST AFTER MIDNIGHT BECOMING SOUTHWEST
WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. PATCHY SMOKE
THROUGH THE NIGHT. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. 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.
LSZ143-192200-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 PM CDT SUN JUL 19 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
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.
LSZ144-192200-
TWO HARBORS TO DULUTH MN-
122 PM CDT SUN JUL 19 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
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
2 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.
LSZ145-192200-
DULUTH MN TO PORT WING WI-
122 PM CDT SUN JUL 19 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS RISING TO 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
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.
LSZ146-192200-
PORT WING TO SAND ISLAND WI-
122 PM CDT SUN JUL 19 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. 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. 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 2 FEET.
LSZ147-192200-
SAND ISLAND TO BAYFIELD WI-
122 PM CDT SUN JUL 19 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. PATCHY SMOKE. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. PATCHY SMOKE AFTER MIDNIGHT. CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
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.
LSZ150-192200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 PM CDT SUN JUL 19 2026
REST OF TODAY
SOUTH WIND 5 KNOTS. PATCHY SMOKE THROUGH THE
DAY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS EARLY
IN THE MORNING. PATCHY SMOKE THROUGH THE NIGHT. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. 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 2 FEET BUILDING TO 1 TO 3 FEET IN THE LATE MORNING AND
EARLY AFTERNOON, THEN SUBSIDING TO 1 TO 2 FEET LATE IN THE
AFTERNOON.
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.
LSZ121-192200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
122 PM CDT SUN JUL 19 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. PATCHY SMOKE. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PATCHY SMOKE THROUGH THE NIGHT. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. 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.
LSZ148-192200-
OAK POINT TO SAXON HARBOR WI-
122 PM CDT SUN JUL 19 2026
REST OF TODAY
SOUTH WIND 5 KNOTS. PATCHY SMOKE. WAVES 1 FOOT
OR LESS.
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 AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
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 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 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.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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