635
FZUS53 KDLH 162311
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
611 PM CDT THU APR 16 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.
LSZ140-171000-
GRAND PORTAGE TO GRAND MARAIS MN-
611 PM CDT THU APR 16 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS TOWARD DAYBREAK. PATCHY DENSE FOG EARLY IN THE EVENING.
PATCHY FOG AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS TOWARD
DAYBREAK. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. PATCHY FOG IN THE MORNING. RAIN SHOWERS AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS LATE IN THE EVENING, THEN
DECREASING TO 25 KNOTS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING.
CHANCE OF THUNDERSTORMS IN THE EVENING. RAIN SHOWERS LIKELY
THROUGH THE NIGHT. SLIGHT CHANCE OF LIGHT FREEZING RAIN AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF LIGHT FREEZING RAIN AND SNOW IN THE MORNING. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-171000-
GRAND MARAIS TO TACONITE HARBOR MN-
611 PM CDT THU APR 16 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TONIGHT
EAST WIND 15 TO 20 KNOTS. PATCHY DENSE FOG
EARLY IN THE EVENING. PATCHY FOG AFTER MIDNIGHT. SLIGHT CHANCE OF
RAIN SHOWERS TOWARD DAYBREAK. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTH WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. PATCHY FOG THROUGH THE DAY. RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET IN THE AFTERNOON.
FRIDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
IN THE EVENING. WAVES 1 TO 3 FEET.
SATURDAY
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. PARTLY 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.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-171000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
611 PM CDT THU APR 16 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. PATCHY FOG IN
THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS BECOMING NORTH WITH GUSTS
TO AROUND 20 KNOTS LATE IN THE AFTERNOON. PATCHY FOG THROUGH THE
DAY. RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
FRIDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING. WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SNOW. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-171000-
SILVER BAY HARBOR TO TWO HARBORS MN-
611 PM CDT THU APR 16 2026
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. PATCHY FOG IN
THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS BECOMING NORTHWEST LATE
IN THE AFTERNOON. PATCHY FOG THROUGH THE DAY. RAIN SHOWERS AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY SUNNY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-171000-
TWO HARBORS TO DULUTH MN-
611 PM CDT THU APR 16 2026
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. PATCHY FOG
AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE
LATE EVENING AND OVERNIGHT.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS BECOMING NORTHWEST WITH
GUSTS TO AROUND 25 KNOTS LATE IN THE AFTERNOON. PATCHY FOG
THROUGH THE DAY. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES
1 TO 3 FEET.
FRIDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
SLIGHT CHANCE OF SNOW SHOWERS THROUGH THE NIGHT. WAVES 1 TO
3 FEET.
SATURDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS LATE
IN THE MORNING THEN 30 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.
WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-171000-
DULUTH MN TO PORT WING WI-
611 PM CDT THU APR 16 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. PATCHY FOG IN
THE LATE EVENING AND OVERNIGHT. WAVES 2 TO 4 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS BECOMING NORTHWEST WITH
GUSTS TO AROUND 25 KNOTS LATE IN THE AFTERNOON. PATCHY FOG
THROUGH THE DAY. RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
WEST WIND 20 TO 25 KNOTS. CHANCE OF RAIN SHOWERS,
THUNDERSTORMS AND SLIGHT CHANCE OF SNOW SHOWERS IN THE EVENING.
WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SATURDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 3 TO 5 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-171000-
PORT WING TO SAND ISLAND WI-
611 PM CDT THU APR 16 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. PATCHY FOG IN
THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE AFTERNOON. RAIN
SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
3 FEET.
FRIDAY NIGHT
WEST WIND 20 TO 25 KNOTS. CHANCE OF THUNDERSTORMS
IN THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. WAVES
1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE LATE EVENING AND
OVERNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SATURDAY
WEST WIND 20 TO 25 KNOTS EASING TO 15 TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 3 TO 5 FEET.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-171000-
SAND ISLAND TO BAYFIELD WI-
611 PM CDT THU APR 16 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST IN
THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
FRIDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST EARLY
IN THE AFTERNOON, THEN BECOMING WEST 10 TO 15 KNOTS LATE IN THE
AFTERNOON. PATCHY FOG IN THE AFTERNOON. RAIN SHOWERS AND CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
WEST WIND 20 TO 25 KNOTS. CHANCE OF THUNDERSTORMS
IN THE EVENING. CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. WAVES
1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
SATURDAY
WEST WIND 20 TO 25 KNOTS. SLIGHT CHANCE OF SNOW.
WAVES 3 TO 5 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-171000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
611 PM CDT THU APR 16 2026
REST OF TONIGHT
EAST WIND 10 TO 15 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
FRIDAY
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING WEST WITH GUSTS
TO AROUND 20 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE
AFTERNOON. RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS.
PATCHY FOG IN THE EVENING. CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE EVENING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SATURDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF LIGHT FREEZING RAIN IN THE MORNING. SLIGHT CHANCE OF
SNOW THROUGH THE DAY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO
7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ121-171000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
611 PM CDT THU APR 16 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING
SOUTHWEST TOWARD DAYBREAK. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE
LATE EVENING AND OVERNIGHT. CHANCE OF THUNDERSTORMS IN THE
EVENING. CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 TO
2 FEET.
SATURDAY
WEST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS IN
THE AFTERNOON. GUSTS UP TO 25 KNOTS. SLIGHT CHANCE OF SNOW. WAVES
1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-171000-
OAK POINT TO SAXON HARBOR WI-
611 PM CDT THU APR 16 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS TOWARD DAYBREAK.
PARTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
SOUTH WIND 10 TO 15 KNOTS BECOMING WEST 15 TO 20 KNOTS
LATE IN THE AFTERNOON. RAIN SHOWERS AND CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
AFTER MIDNIGHT. RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
1 TO 3 FEET.
SATURDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SNOW. WAVES 2 TO 4 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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