595
FZUS53 KDLH 171051
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
551 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.
LSZ140-171600-
GRAND PORTAGE TO GRAND MARAIS MN-
551 AM CDT FRI APR 17 2026
...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH
THIS EVENING...
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
EARLY IN THE MORNING. PATCHY FOG EARLY IN THE MORNING. PATCHY FOG
LATE IN THE AFTERNOON. CHANCE OF RAIN AND SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE AFTERNOON. RAIN AND CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. PATCHY FOG IN THE EVENING. 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 WITH GUSTS TO AROUND
30 KNOTS. 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.
LSZ141-171600-
GRAND MARAIS TO TACONITE HARBOR MN-
551 AM CDT FRI APR 17 2026
...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH
THIS EVENING...
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTH 5 TO 10 KNOTS WITH GUSTS TO AROUND
30 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN AND SLIGHT CHANCE
OF THUNDERSTORMS EARLY IN THE AFTERNOON. RAIN AND CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON. PATCHY FOG LATE IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS AFTER MIDNIGHT. 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 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. 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 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.
LSZ142-171600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
551 AM CDT FRI APR 17 2026
...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH
THIS EVENING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTH WITH GUSTS TO AROUND 30 KNOTS LATE IN THE
AFTERNOON. PATCHY FOG EARLY IN THE MORNING. PATCHY FOG LATE IN
THE AFTERNOON. RAIN LIKELY EARLY IN THE AFTERNOON. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. RAIN LATE IN THE AFTERNOON. WAVES
1 TO 3 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. 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.
LSZ143-171600-
SILVER BAY HARBOR TO TWO HARBORS MN-
551 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST WITH
GUSTS TO AROUND 25 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN
EARLY IN THE AFTERNOON. CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
RAIN LATE IN THE AFTERNOON. PATCHY FOG LATE IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. 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 3 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-171600-
TWO HARBORS TO DULUTH MN-
551 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF RAIN LATE IN THE
MORNING. RAIN AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
PATCHY FOG LATE IN THE AFTERNOON. 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.
SATURDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. 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.
LSZ145-171600-
DULUTH MN TO PORT WING WI-
551 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF RAIN LATE IN THE
MORNING. RAIN AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
PATCHY FOG LATE IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 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.
SATURDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE AFTERNOON. 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.
LSZ146-171600-
PORT WING TO SAND ISLAND WI-
551 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
TODAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE IN THE AFTERNOON.
CHANCE OF RAIN EARLY IN THE AFTERNOON. CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. RAIN LATE IN THE AFTERNOON. PATCHY FOG LATE IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 20 TO 25 KNOTS. 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 EASING TO 15 TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. 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.
LSZ147-171600-
SAND ISLAND TO BAYFIELD WI-
551 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
TODAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE IN THE AFTERNOON.
CHANCE OF RAIN EARLY IN THE AFTERNOON. CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. RAIN LATE IN THE AFTERNOON. PATCHY FOG LATE IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 20 TO 25 KNOTS. CHANCE OF THUNDERSTORMS AND
SLIGHT CHANCE OF RAIN 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. 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.
LSZ150-171600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
551 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH LATE SATURDAY NIGHT...
TODAY
EAST WIND 10 TO 15 KNOTS BECOMING WEST WITH GUSTS TO
AROUND 25 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF RAIN
EARLY IN THE AFTERNOON. CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
RAIN LATE IN THE AFTERNOON. PATCHY FOG LATE IN THE AFTERNOON.
WAVES 1 TO 3 FEET.
TONIGHT
WEST WIND 20 TO 25 KNOTS. PATCHY FOG IN THE EVENING.
CHANCE OF RAIN AND 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
25 KNOTS DECREASING TO 20 KNOTS EARLY IN THE MORNING. 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.
LSZ121-171600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
551 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
TODAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS LATE IN THE AFTERNOON. RAIN LIKELY EARLY
IN THE AFTERNOON. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. RAIN
LATE IN THE AFTERNOON. 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 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-171600-
OAK POINT TO SAXON HARBOR WI-
551 AM CDT FRI APR 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH SATURDAY EVENING...
TODAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING SOUTHWEST WITH GUSTS TO AROUND 25 KNOTS LATE IN THE
AFTERNOON. CHANCE OF RAIN EARLY IN THE AFTERNOON. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. RAIN LATE IN THE AFTERNOON. WAVES
1 TO 2 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. 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 WITH GUSTS TO AROUND
25 KNOTS. 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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