073
FZUS53 KDLH 180414
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1114 PM 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.
LSZ140-181000-
GRAND PORTAGE TO GRAND MARAIS MN-
1114 PM CDT FRI APR 17 2026
..GALE WARNING IN EFFECT UNTIL 3 AM CDT SATURDAY
REST OF TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS AFTER MIDNIGHT, THEN DECREASING
TO 25 KNOTS TOWARD DAYBREAK. MOSTLY CLOUDY. 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. PARTLY
SUNNY. WAVES 3 TO 5 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 AFTER MIDNIGHT. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
SUNDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-181000-
GRAND MARAIS TO TACONITE HARBOR MN-
1114 PM CDT FRI APR 17 2026
..GALE WARNING IN EFFECT UNTIL 3 AM CDT SATURDAY
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS AFTER MIDNIGHT, THEN DECREASING TO
25 KNOTS TOWARD DAYBREAK. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
SATURDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO
4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 20 KNOTS. PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
SUNDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-181000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1114 PM CDT FRI APR 17 2026
..GALE WARNING IN EFFECT UNTIL 3 AM CDT SATURDAY
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO
2 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 EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-181000-
SILVER BAY HARBOR TO TWO HARBORS MN-
1114 PM CDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-181000-
TWO HARBORS TO DULUTH MN-
1114 PM CDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO
3 FEET.
SATURDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 2 TO
4 FEET.
SATURDAY NIGHT
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-181000-
DULUTH MN TO PORT WING WI-
1114 PM CDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 2 TO
4 FEET.
SATURDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE MORNING, THEN INCREASING TO
30 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 3 TO 5 FEET.
SATURDAY NIGHT
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 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.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-181000-
PORT WING TO SAND ISLAND WI-
1114 PM CDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
REST OF TONIGHT
WEST WIND 5 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS RISING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 3 TO 5 FEET.
SATURDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS.
PARTLY SUNNY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. PARTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
2 FEET. WAVES OCCASIONALLY TO 7 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-181000-
SAND ISLAND TO BAYFIELD WI-
1114 PM CDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS TOWARD DAYBREAK. MOSTLY CLOUDY. WAVES 3 TO
5 FEET.
SATURDAY
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. PARTLY SUNNY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO
7 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. PARTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
2 FEET. WAVES OCCASIONALLY TO 7 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-181000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1114 PM CDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SATURDAY NIGHT
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS RISING TO 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
TOWARD DAYBREAK. MOSTLY CLOUDY. 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 7 FEET. WAVES OCCASIONALLY TO
9 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 8 FEET.
SUNDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 TO 10 KNOTS LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ121-181000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1114 PM CDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS TOWARD DAYBREAK. CHANCE OF SPRINKLES LATE
IN THE EVENING. WAVES 1 TO 2 FEET.
SATURDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS EASING TO 5 TO 10 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-181000-
OAK POINT TO SAXON HARBOR WI-
1114 PM CDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SPRINKLES LATE 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 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
2 TO 4 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
SUNDAY
NORTHWEST WIND 10 TO 15 KNOTS EASING TO 5 KNOTS LATE IN
THE AFTERNOON. SUNNY. WAVES 1 TO 2 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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