Sea Street is a Harwich Port town beach with a two-space lot and no amenities listed by the town.
What to expect
Parking
Resident sticker Beach sticker required through Labor Day; no day pass sold here
Swimming
Water not monitored by DPH
Hours
Harwich beaches close midnight to 6am, and beach lots close 10pm to 6am. That's the town default unless posted otherwise.
Season
Open year-round. A beach sticker or day pass is required for the two parking spaces through Labor Day.
Accessibility
The town's beach brochure lists no handicapped parking or other accessibility amenity here.
Dogs
Pets are banned from Harwich beaches, landings, and public ponds May 1 through September 15; leashed dogs are fine the rest of the year. Posted signs at the site take precedence.
Banned now · back September 15Managed by
Town of Harwich Recreation and Beach Commission
(508) 430-7553 · WebsiteGetting in
Parking
Resident sticker
CostBeach sticker required through Labor Day; no day pass sold hereStickerHarwich beach sticker (day passes sold only at Red River, Earle Road, Pleasant Road and Long Pond)
Sea Street lot
Sea Street lot
CostBeach sticker required through Labor Day; no day pass sold hereSpaces2
Access points along this beach
Sea Street walk-in entrance
What's here
Not here
No restrooms
the town's beach brochure lists no amenities here
Tides & weather
Tide and sun: NOAA astronomy · forecast: NWS, up to 7 days
Show the full year
Average water temperature at Sea Street Beach by month, in °F| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| Water °F | 40° | 39° | 42° | 49° | 55° | 63° | 69° | 68° | 66° | 60° | 50° | 44° |
|---|
Monthly averages from NOAA, Chatham (2022 to 2024). Today's reading is in the conditions above.
Common questions
Is Sea Street Beach in Harwich open today?
open to the public; water quality here is not monitored by MA DPH (updated 2026-09-13). MA DPH is the authority. Check the status the morning you go.
Is there parking at Sea Street Beach, and what does it cost?
Resident sticker (Beach sticker required through Labor Day; no day pass sold here). Sea Street lot
What's the water temperature at Sea Street Beach?
Water at Sea Street Beach averages about 39°F in February and 69°F in July, based on NOAA readings at Chatham from 2022 to 2024. For today's temperature, see the conditions above.
What rules should I know at Sea Street Beach?
No lifeguard on duty. No dogs on any Harwich beach between Memorial Day and Labor Day; off-season dogs are allowed on the sand. Red River Beach is the only exception, with on-leash dog walking permitted in the parking lot dawn-9am and 4:30pm-dusk in season.
Can you swim at Sea Street Beach?
Sea Street Beach is town-owned and its water is not monitored by MA DPH, so there is no official swim status. Check conditions posted at the beach.
Are dogs allowed at Sea Street Beach?
Pets are banned from Harwich beaches, landings, and public ponds May 1 through September 15; leashed dogs are fine the rest of the year. Posted signs at the site take precedence.
Is there an entry fee at Sea Street Beach?
No, entry is free.
Do you need a beach sticker to park at Sea Street Beach?
Yes, parking here uses a resident sticker. Beach sticker required through Labor Day; no day pass sold here.