Round Cove is a sheltered inlet off Pleasant Bay near the Chatham line, used mainly as a mooring field rather than a beach destination. The town's harbormaster regulates it; contact the Harwich Harbormaster for current rules.
What to expect
Hours
Harwich beaches close midnight to 6am, and beach lots close 10pm to 6am. Posted hours at the entrance win if they differ.
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. That's the town-wide default; watch for posted signs here.
Banned now · back September 15Tides & weather
Tide and sun: NOAA astronomy · forecast: NWS, up to 7 days
Show the full year
Average water temperature at Round Cove by month, in °F| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Water °F | 40° | 39° | 42° | 49° | 55° | 63° | 69° | 68° | 66° | 60° | 50° | 44° |
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Monthly averages from NOAA, Chatham (2022 to 2024). Today's reading is in the conditions above.
Common questions
Is Round Cove in Harwich open today?
Open, no advisory on record in the latest MA DPH posting (updated 2026-09-14). MA DPH is the authority. Check the status the morning you go.
What's the water temperature at Round Cove?
Water at Round Cove 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.
Can you swim at Round Cove?
No. Round Cove's own access rules say swimming is not permitted here (unknown).
Are dogs allowed at Round Cove?
Pets are banned from Harwich beaches, landings, and public ponds May 1 through September 15; leashed dogs are fine the rest of the year. That's the town-wide default; watch for posted signs here.