305
FZUS53 KDLH 230746
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
245 AM CDT SAT MAY 23 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.
LSZ140-231600-
GRAND PORTAGE TO GRAND MARAIS MN-
245 AM CDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL LATE AFTERNOON. CHANCE OF RAIN SHOWERS UNTIL LATE
AFTERNOON, THEN RAIN SHOWERS LIKELY LATE IN THE AFTERNOON. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
TONIGHT
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 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 TO 2 FEET.
SUNDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ141-231600-
GRAND MARAIS TO TACONITE HARBOR MN-
245 AM CDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL LATE AFTERNOON. RAIN SHOWERS LIKELY EARLY IN THE MORNING,
THEN RAIN SHOWERS IN THE LATE MORNING AND EARLY AFTERNOON. CHANCE
OF RAIN SHOWERS LATE IN THE AFTERNOON. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING. WAVES 1 TO 3 FEET.
SUNDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-231600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
245 AM CDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. RAIN SHOWERS UNTIL LATE AFTERNOON, THEN SLIGHT CHANCE
OF RAIN SHOWERS LATE IN THE AFTERNOON. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
TONIGHT
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 AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
SUNDAY NIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ143-231600-
SILVER BAY HARBOR TO TWO HARBORS MN-
245 AM CDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. RAIN SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF RAIN
SHOWERS EARLY IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS
LATE IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET
IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS LATE IN THE EVENING, THEN BECOMING
VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
SUNDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST LATE IN
THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ144-231600-
TWO HARBORS TO DULUTH MN-
245 AM CDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. RAIN SHOWERS LIKELY EARLY IN THE MORNING, THEN CHANCE
OF RAIN SHOWERS LATE IN THE MORNING. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS 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 TO 10 KNOTS. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ145-231600-
DULUTH MN TO PORT WING WI-
245 AM CDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
NORTHEAST WIND 15 TO 20 KNOTS. RAIN SHOWERS LIKELY EARLY
IN THE MORNING, THEN CHANCE OF RAIN SHOWERS LATE IN THE MORNING.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
TONIGHT
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 TO 10 KNOTS. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ146-231600-
PORT WING TO SAND ISLAND WI-
245 AM CDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
TODAY
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 EARLY IN THE AFTERNOON. SLIGHT CHANCE OF RAIN
SHOWERS LATE IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
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.
SUNDAY NIGHT
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ147-231600-
SAND ISLAND TO BAYFIELD WI-
245 AM CDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
TODAY
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.
TONIGHT
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.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
SUNDAY NIGHT
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ150-231600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
245 AM CDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
TODAY
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 1 TO 3 FEET.
TONIGHT
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.
SUNDAY NIGHT
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ121-231600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
245 AM CDT SAT MAY 23 2026
TODAY
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.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN 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 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
SUNDAY NIGHT
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ148-231600-
OAK POINT TO SAXON HARBOR WI-
245 AM CDT SAT MAY 23 2026
TODAY
EAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS EARLY IN
THE MORNING, THEN RAIN SHOWERS LIKELY LATE IN THE MORNING. CHANCE
OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST 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 SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
SUNDAY NIGHT
SOUTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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