675
FZUS53 KDLH 230457
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1157 PM CDT FRI MAY 22 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.
LSZ140-231000-
GRAND PORTAGE TO GRAND MARAIS MN-
1157 PM CDT FRI MAY 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT SATURDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 20 KNOTS. CHANCE OF RAIN SHOWERS. WAVES
3 TO 5 FEET.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL LATE AFTERNOON. CHANCE OF RAIN SHOWERS. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTH
EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SUNDAY
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
LSZ141-231000-
GRAND MARAIS TO TACONITE HARBOR MN-
1157 PM CDT FRI MAY 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT SATURDAY
REST OF TONIGHT
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 20 KNOTS. CHANCE OF RAIN SHOWERS LATE IN THE
EVENING, THEN RAIN SHOWERS LIKELY TOWARD DAYBREAK. WAVES 3 TO
5 FEET. WAVES OCCASIONALLY TO 7 FEET.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL LATE AFTERNOON. RAIN SHOWERS. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET LATE IN THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTH
AFTER MIDNIGHT, THEN BECOMING VARIABLE 10 KNOTS OR LESS EARLY IN
THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
1 TO 2 FEET.
SUNDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ142-231000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1157 PM CDT FRI MAY 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT SATURDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS LATE IN THE EVENING. CHANCE OF RAIN SHOWERS LATE IN THE
EVENING, THEN RAIN SHOWERS LIKELY TOWARD DAYBREAK. WAVES 3 TO
5 FEET. WAVES OCCASIONALLY TO 7 FEET.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. RAIN SHOWERS THROUGH THE DAY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
SUNDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND EARLY AFTERNOON, THEN BECOMING VARIABLE 10 KNOTS OR
LESS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-231000-
SILVER BAY HARBOR TO TWO HARBORS MN-
1157 PM CDT FRI MAY 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS LATE IN THE EVENING THEN 25 KNOTS TOWARD DAYBREAK. RAIN
SHOWERS LIKELY. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. RAIN SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET LATE IN THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS IN THE EVENING BECOMING VARIABLE 10 KNOTS OR
LESS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-231000-
TWO HARBORS TO DULUTH MN-
1157 PM CDT FRI MAY 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS TOWARD DAYBREAK. RAIN SHOWERS LIKELY LATE IN THE
EVENING, THEN RAIN SHOWERS TOWARD DAYBREAK. WAVES 3 TO 5 FEET.
WAVES OCCASIONALLY TO 7 FEET.
SATURDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. RAIN SHOWERS LIKELY IN THE MORNING, THEN SLIGHT CHANCE
OF RAIN SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET LATE IN THE AFTERNOON.
SATURDAY NIGHT
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHEAST LATE IN THE EVENING, THEN BECOMING
VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ145-231000-
DULUTH MN TO PORT WING WI-
1157 PM CDT FRI MAY 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. RAIN SHOWERS
LIKELY. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
SATURDAY
NORTHEAST WIND 15 TO 20 KNOTS. RAIN SHOWERS LIKELY IN
THE MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST
5 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ146-231000-
PORT WING TO SAND ISLAND WI-
1157 PM CDT FRI MAY 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS. WAVES 2 TO
4 FEET.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. RAIN SHOWERS LIKELY IN THE MORNING, THEN CHANCE
OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST
5 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-231000-
SAND ISLAND TO BAYFIELD WI-
1157 PM CDT FRI MAY 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET TOWARD DAYBREAK.
SATURDAY
EAST WIND 5 TO 10 KNOTS. RAIN SHOWERS LIKELY IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH LATE IN
THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT BECOMING WEST 5 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-231000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1157 PM CDT FRI MAY 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY
REST OF TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF RAIN SHOWERS. WAVES 3 TO 5 FEET.
SATURDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
MORNING. RAIN SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET IN THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST
AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
PARTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-231000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1157 PM CDT FRI MAY 22 2026
REST OF TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT.
CHANCE OF RAIN SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET AFTER MIDNIGHT.
SATURDAY
EAST WIND 5 TO 10 KNOTS. RAIN SHOWERS LIKELY IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH LATE IN
THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT BECOMING WEST 5 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
LSZ148-231000-
OAK POINT TO SAXON HARBOR WI-
1157 PM CDT FRI MAY 22 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS LATE IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET TOWARD DAYBREAK.
SATURDAY
EAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS.
WAVES 1 TO 2 FEET.
SATURDAY NIGHT
EAST WIND 5 KNOTS BECOMING NORTH LATE IN THE
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT
BECOMING SOUTHWEST 5 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST EARLY IN THE
AFTERNOON, THEN BECOMING EAST LATE IN THE AFTERNOON. SLIGHT
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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