Duck Harbor is an ocean beach in Wellfleet, Massachusetts.
What to expect
Swimming
Allowed water tested by the state
Hours
No gate; open access. Sticker enforcement 9am-5pm in-season.
Season
Open access year-round; parking-sticker enforcement 9am-5pm, 3rd Saturday in June through Labor Day.
Dogs
Leashed at all times May 15 to Oct 15.
Banned now · back Oct 15Tides & weather
Tide and sun: NOAA astronomy · forecast: NWS, up to 7 days
Common questions
Is Duck Harbor in Wellfleet open today?
Open, no advisory on record in the latest MA DPH posting (updated 2026-09-13). MA DPH is the authority. Check the status the morning you go.
Can you swim at Duck Harbor?
Yes. Duck Harbor has no swimming advisory in the latest MA DPH posting (updated 2026-09-13). Check again the morning you go.
Are dogs allowed at Duck Harbor?
Leashed at all times May 15 to Oct 15.