995
FZUS53 KDLH 180400
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1100 PM CDT SUN MAY 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-
1100 PM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. RAIN SHOWERS AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 7 FEET.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND EARLY AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 2 TO 4 FEET.
MONDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. RAIN SHOWERS AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
NORTH WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING NORTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE AFTERNOON. RAIN SHOWERS IN THE MORNING. WAVES
4 TO 7 FEET SUBSIDING TO 1 TO 2 FEET. WAVES OCCASIONALLY TO
9 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ141-181000-
GRAND MARAIS TO TACONITE HARBOR MN-
1100 PM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. RAIN SHOWERS AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES
OCCASIONALLY TO 9 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST LATE IN THE
MORNING, THEN BECOMING SOUTHEAST EARLY IN THE AFTERNOON BECOMING
NORTHEAST LATE IN THE AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
TUESDAY
NORTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST IN THE AFTERNOON. RAIN SHOWERS IN THE MORNING.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
LSZ142-181000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1100 PM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. RAIN SHOWERS LIKELY AFTER MIDNIGHT. WAVES 5 TO 8 FEET.
WAVES OCCASIONALLY TO 10 FEET.
MONDAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE IN THE
MORNING, THEN BECOMING SOUTHEAST EARLY IN THE AFTERNOON BECOMING
NORTHEAST LATE IN THE AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
2 FEET LATE IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. CHANCE OF RAIN SHOWERS IN THE EVENING, THEN RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET
AFTER MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE
AFTERNOON. RAIN SHOWERS IN THE MORNING. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
LSZ143-181000-
SILVER BAY HARBOR TO TWO HARBORS MN-
1100 PM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. RAIN SHOWERS LIKELY AFTER MIDNIGHT. WAVES 5 TO 8 FEET
SUBSIDING TO 4 TO 6 FEET TOWARD DAYBREAK. WAVES OCCASIONALLY TO
11 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE EVENING INCREASING TO 25 KNOTS, THEN
DECREASING TO 20 KNOTS EARLY IN THE MORNING. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET AFTER MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE
LATE MORNING AND AFTERNOON. RAIN SHOWERS IN THE MORNING. WAVES
2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ144-181000-
TWO HARBORS TO DULUTH MN-
1100 PM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. RAIN SHOWERS
LIKELY LATE IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. RAIN SHOWERS AFTER MIDNIGHT. WAVES 6 TO 9 FEET SUBSIDING
TO 4 TO 6 FEET TOWARD DAYBREAK. WAVES OCCASIONALLY TO 12 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE EVENING INCREASING TO 25 KNOTS, THEN
DECREASING TO 20 KNOTS EARLY IN THE MORNING. RAIN SHOWERS LIKELY
IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 3 TO
5 FEET IN THE LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO
7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHWEST 5 TO
10 KNOTS IN THE LATE MORNING AND AFTERNOON. RAIN SHOWERS IN THE
MORNING. WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ145-181000-
DULUTH MN TO PORT WING WI-
1100 PM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. RAIN SHOWERS
LIKELY LATE IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. RAIN SHOWERS AFTER MIDNIGHT. WAVES 6 TO 9 FEET SUBSIDING
TO 4 TO 6 FEET TOWARD DAYBREAK. WAVES OCCASIONALLY TO 12 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS
THROUGH THE DAY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN
THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE EVENING INCREASING TO 25 KNOTS, THEN
DECREASING TO 20 KNOTS EARLY IN THE MORNING. RAIN SHOWERS LIKELY
IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 3 TO
5 FEET IN THE LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO
7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST WITH GUSTS TO AROUND 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. RAIN SHOWERS IN THE MORNING. WAVES
2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ146-181000-
PORT WING TO SAND ISLAND WI-
1100 PM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. CHANCE OF RAIN SHOWERS LATE IN THE EVENING.
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS AFTER
MIDNIGHT. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 5 FEET TOWARD
DAYBREAK. WAVES OCCASIONALLY TO 10 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF RAIN SHOWERS IN THE EVENING. SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS AFTER MIDNIGHT.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST IN THE LATE MORNING AND AFTERNOON.
RAIN SHOWERS IN THE MORNING. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ147-181000-
SAND ISLAND TO BAYFIELD WI-
1100 PM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE EVENING. CHANCE OF RAIN SHOWERS LATE IN THE
EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS
AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
MONDAY
NORTH WIND 5 TO 10 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS
IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN
THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF RAIN SHOWERS IN THE EVENING. SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET IN THE LATE
EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO 7 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS IN THE LATE MORNING AND
AFTERNOON. RAIN SHOWERS IN THE MORNING. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ150-181000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1100 PM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE
NIGHT. RAIN SHOWERS AFTER MIDNIGHT. WAVES 5 TO 8 FEET. WAVES
OCCASIONALLY TO 10 FEET.
MONDAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS
IN THE AFTERNOON. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET LATE
IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF RAIN SHOWERS IN THE EVENING. SLIGHT CHANCE
OF THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS AFTER MIDNIGHT.
WAVES 1 TO 3 FEET BUILDING TO 5 TO 8 FEET. WAVES OCCASIONALLY TO
10 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS IN THE AFTERNOON. RAIN
SHOWERS IN THE MORNING. WAVES 6 TO 9 FEET SUBSIDING TO 4 TO
6 FEET IN THE AFTERNOON. WAVES OCCASIONALLY TO 11 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
LSZ121-181000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1100 PM CDT SUN MAY 17 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE EVENING. CHANCE OF RAIN SHOWERS LATE IN THE
EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS
AFTER MIDNIGHT. WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 5 FEET TOWARD
DAYBREAK. WAVES OCCASIONALLY TO 8 FEET.
MONDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 1 TO 3 FEET.
MONDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS IN THE LATE EVENING AND EARLY MORNING DECREASING TO
20 KNOTS. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 5 TO
8 FEET. WAVES OCCASIONALLY TO 10 FEET. A SMALL CRAFT ADVISORY MAY
BE NEEDED.
TUESDAY
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST WITH GUSTS TO AROUND 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. RAIN SHOWERS IN THE MORNING. WAVES
1 TO 2 FEET.
LSZ148-181000-
OAK POINT TO SAXON HARBOR WI-
1100 PM CDT SUN MAY 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE EVENING. CHANCE OF RAIN SHOWERS LATE IN THE
EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS
AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
MONDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS IN THE LATE EVENING AND EARLY MORNING DECREASING TO
20 KNOTS. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN RAIN SHOWERS AND CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 5 TO 8 FEET. WAVES
OCCASIONALLY TO 10 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
NORTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE LATE MORNING AND AFTERNOON. RAIN SHOWERS IN THE
MORNING. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE
AFTERNOON. WAVES OCCASIONALLY TO 10 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page