461
FZUS53 KDLH 171444
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
944 AM CDT FRI APR 17 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.
LSZ140-172200-
GRAND PORTAGE TO GRAND MARAIS MN-
944 AM CDT FRI APR 17 2026
...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH
THIS EVENING...
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF RAIN EARLY IN THE AFTERNOON. RAIN AND CHANCE
OF THUNDERSTORMS LATE. PATCHY FOG LATE. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
INCREASING TO 40 KNOTS AFTER MIDNIGHT, THEN DECREASING TO
30 KNOTS EARLY IN THE MORNING. PATCHY FOG IN THE EVENING. CHANCE
OF RAIN AND THUNDERSTORMS IN THE EVENING. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.
SATURDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. PARTLY
SUNNY. WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SATURDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS EARLY IN THE MORNING. MOSTLY
CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET EARLY IN THE
MORNING. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-172200-
GRAND MARAIS TO TACONITE HARBOR MN-
944 AM CDT FRI APR 17 2026
...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH
THIS EVENING...
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTH WITH GUSTS TO AROUND 25 KNOTS
LATE. CHANCE OF RAIN AND SLIGHT CHANCE OF THUNDERSTORMS EARLY IN
THE AFTERNOON. RAIN AND CHANCE OF THUNDERSTORMS LATE. PATCHY FOG
LATE. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 35 KNOTS LATE IN THE EVENING, THEN INCREASING TO
40 KNOTS AFTER MIDNIGHT DECREASING TO 30 KNOTS EARLY IN THE
MORNING. RAIN LIKELY AND CHANCE OF THUNDERSTORMS IN THE EVENING.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.
SATURDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY
SUNNY. WAVES 2 TO 4 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-172200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
944 AM CDT FRI APR 17 2026
...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH
THIS EVENING...
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS BECOMING NORTH
WITH GUSTS TO AROUND 25 KNOTS LATE. RAIN LIKELY EARLY IN THE
AFTERNOON. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. RAIN LATE.
PATCHY FOG LATE. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 35 KNOTS LATE IN THE EVENING, THEN INCREASING TO
40 KNOTS AFTER MIDNIGHT DECREASING TO 30 KNOTS EARLY IN THE
MORNING. CHANCE OF RAIN AND THUNDERSTORMS IN THE EVENING. WAVES
1 TO 3 FEET.
SATURDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-172200-
SILVER BAY HARBOR TO TWO HARBORS MN-
944 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS BECOMING NORTHWEST
10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE. RAIN LIKELY
EARLY IN THE AFTERNOON. CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
RAIN LATE. PATCHY FOG LATE. WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS LATE IN THE EVENING, THEN DECREASING TO
30 KNOTS AFTER MIDNIGHT DECREASING TO 25 KNOTS EARLY IN THE
MORNING. CHANCE OF RAIN AND THUNDERSTORMS IN THE EVENING. WAVES
1 TO 2 FEET. A GALE WARNING MAY BE NEEDED.
SATURDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY SUNNY. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-172200-
TWO HARBORS TO DULUTH MN-
944 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTHWEST WITH GUSTS TO AROUND 30 KNOTS
LATE. SLIGHT CHANCE OF RAIN LATE IN THE MORNING, THEN RAIN AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. PATCHY FOG LATE. WAVES
1 TO 2 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SLIGHT CHANCE OF RAIN AND THUNDERSTORMS IN THE EVENING.
WAVES 1 TO 3 FEET.
SATURDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY SUNNY. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS EASING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE
EVENING AND OVERNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-172200-
DULUTH MN TO PORT WING WI-
944 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST WITH GUSTS TO AROUND 30 KNOTS LATE.
SLIGHT CHANCE OF RAIN LATE IN THE MORNING, THEN RAIN AND CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. PATCHY FOG IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN AND
THUNDERSTORMS IN THE EVENING. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET IN THE LATE EVENING AND OVERNIGHT.
SATURDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY SUNNY. WAVES 3 TO 5 FEET.
SATURDAY NIGHT
WEST WIND 20 TO 25 KNOTS BECOMING NORTHWEST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT.
PARTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-172200-
PORT WING TO SAND ISLAND WI-
944 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS BECOMING NORTHWEST
WITH GUSTS TO AROUND 20 KNOTS LATE. RAIN LIKELY EARLY IN THE
AFTERNOON. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. RAIN LATE.
PATCHY FOG LATE. WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 5 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
RISING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS IN THE
LATE EVENING AND OVERNIGHT. CHANCE OF RAIN AND THUNDERSTORMS IN
THE EVENING. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN THE
LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO 7 FEET.
SATURDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS.
PARTLY SUNNY. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
SATURDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET EARLY IN THE
MORNING.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-172200-
SAND ISLAND TO BAYFIELD WI-
944 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
REST OF TODAY
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS LATE. RAIN LIKELY EARLY IN THE AFTERNOON. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. RAIN LATE. PATCHY FOG LATE. WAVES
1 TO 2 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN AND
THUNDERSTORMS IN THE EVENING. WAVES 1 TO 2 FEET BUILDING TO 3 TO
5 FEET IN THE LATE EVENING AND OVERNIGHT.
SATURDAY
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. PARTLY SUNNY. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO
7 FEET.
SATURDAY NIGHT
NORTHWEST 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. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
2 FEET EARLY IN THE MORNING.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-172200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
944 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH LATE SATURDAY NIGHT...
REST OF TODAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS LATE. CHANCE OF RAIN EARLY IN THE AFTERNOON. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. RAIN LATE. PATCHY FOG LATE. WAVES
1 TO 3 FEET.
TONIGHT
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY
FOG IN THE EVENING. RAIN LIKELY AND CHANCE OF THUNDERSTORMS IN
THE EVENING. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET.
SATURDAY
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. PARTLY SUNNY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO
8 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 20 KNOTS. PARTLY CLOUDY. WAVES 4 TO 6 FEET
SUBSIDING TO 2 TO 4 FEET EARLY IN THE MORNING. WAVES OCCASIONALLY
TO 8 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ121-172200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
944 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
REST OF TODAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST WITH GUSTS TO AROUND 25 KNOTS LATE. RAIN
LIKELY EARLY IN THE AFTERNOON. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. RAIN LATE. PATCHY FOG LATE. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN 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 2 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-172200-
OAK POINT TO SAXON HARBOR WI-
944 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
REST OF TODAY
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. RAIN LIKELY EARLY IN THE AFTERNOON. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. RAIN LATE. PATCHY FOG LATE. WAVES
1 TO 2 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN AND THUNDERSTORMS IN THE EVENING. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
SATURDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES
2 TO 4 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY IN
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
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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