The warmest beaches in Massachusetts are located in Cape Cod.
The months with the warmest water temperatures (temps at least 68 degrees or more) are July, August and September.
The temperatures listed in this article are the maximum and minimum temperatures in July, August and September for these locations based on observations over the past 10 years.
The following is a list of places with the warmest water temps in Massachusetts:
July:
- Cotuit: Average: 71.1°F Min: 62.2°F Max: 78.8°F
- Osterville: Average: 71.1°F Min: 62.1°F Max: 78.8°F
- Popponesset: Average: 70.9°F Min: 62.1°F Max: 77.7°F
- Centerville: Average: 70.9°F Min: 61.7°F Max: 78.4°F
August:
- Cotuit: Average: 72.7°F Min: 65.1°F Max: 79.7°F
- Popponesset: Average: 72.7°F Min: 65.1°F Max: 78.4°F
- Osterville: Average: 72.7°F Min: 64.9°F Max: 79.9°F
- Mashpee: Average: 72.7°F Min: 65.1°F Max: 78.4°F
- Centerville: Average: 72.5°F Min: 64.8°F Max: 80.4°F
September:
- Popponesset: Average: 68.9°F Min: 62.6°F Max: 76.1°F
- Mashpee: Average: 68.9°F Min: 62.6°F Max: 76.1°F
- Falmouth: Average: 68.7°F Min: 63°F Max: 75.6°F
Beaches in Centerville:
Covell Beach: a private beach with warm water, mild surf, lifeguards and parking available to residents only.
Craigville Beach: a public beach that features warm water, a lifeguard, restrooms, bathhouse, outdoor showers, snack bar and on-site parking.
Craigville Beach was also ranked the number eight best Cape Cod beach by US News Travel, it was ranked the number six best beach in Cape Cod by Hotels.com, it was named one of the best beaches in Cape Cod by Conde Nast Traveler and it was named one of Cape Cod’s best beaches for families by the Cape Cod Chamber of Commerce.
Long Beach: a large beach with warm calm water, soft sand and on-site parking.
Beaches in Cotuit:
The Loop Beach: a small beach with warm, calm water, scenic views of the Nantucket Sound, lifeguards and restrooms. The beach is named after the one way loop of bumpy road that leads down to the beach.
Oregon Beach: a white sand beach with views of the Nantucket Sound and limited parking. No restrooms or a lifeguard on duty so swim at your own risk.
Ropes Beach: a small beach with a narrow beach front and a boat launch. No restrooms or a lifeguard on duty so swim at your own risk.
Riley’s Beach: a small resident-only beach partially enclosed by a rock jetty that features a view of Sampson’s island and has limited on-site parking. No restrooms or a lifeguard on duty so swim at your own risk.
Beaches in Falmouth:
Old Silver Beach: a public beach with soft, powdery sand, clear warm water, lifeguards, snack bar, portable toilets, showers and on-site parking.
Old Silver Beach was ranked the number five best Cape Cod beach by US News Travel, it was ranked the number four best beach in Cape Cod by Hotels.com, it was named the best Cape Cod beach for families by Lonely Planet and the Cape Cod Chamber of Commerce and it was named one of the best Cape Cod beaches by the Cape Cod Times and Conde Nast Traveler.
Chapoquoit Beach: a private residents-only beach that features lifeguards, snack bar and portable toilets.
Surf Drive Beach: a beach with warm, calm water, lifeguards, bathhouse with showers, a concession stand and views of Martha’s Vineyard.
Falmouth Heights Beach: a beach that features views of Martha’s Vineyard, lifeguards and portable toilets.
Menauhant Beach: a beach with lifeguards, concession stands, portable toilets, showers and on-site parking.
Beaches in Mashpee:
South Cape Beach: a beach that features views of the Nantucket Sound, lifeguards, toilet facilities and on-site parking.
Popponesset Beach: a private beach with warm water that is accessible through beach association only.
Beaches in Osterville:
Dowses Beach: a private, residents-only beach with lifeguards, toilet facilities and a concession stand.
Sources:
“Massachusetts Water Temperature in July.” Sea Temperature, seatemperature.info/july/massachusetts-water-temperature.html
“Massachusetts Water Temperature in August.” Sea Temperature, seatemperature.info/august/massachusetts-water-temperature.html
Massachusetts Water Temperate in September.” Sea Temperature, seatemperature.info/september/massachusetts-water-temperature.html
“Cotuit Beaches.” Cotuit Beaches, cotuitbeach.com
Vorhees, Mara. “The 12 best beaches in Cape Cod: swim, windsurf and hike along this varied coastline.” Lonely Planet, 23 June. 2022, lonelyplanet.com/articles/best-beaches-in-cape-cod
“10 Best Beaches in Cape Cod.” Hotels.com, hotels.com/go/usa/best-beaches-cape-cod
“Best Cape Cod Beaches.” USA News Travel, travel.usnews.com/rankings/best-cape-cod-beaches/
Williams, Eric. “Your Place in the Sun: The Best Beaches on Cape Cod.: Cape Cod Times, 27 May. 2022, capecodtimes.com/story/news/2022/05/27/best-beaches-cape-cod/9679271002/
“Cape Cod’s Best Family Beaches.” Cape Cod Chamber of Commerce, capecodchamber.org/articles/post/cape-cods-best-family-beaches
Shortsleeve, Cassie. “The Best Beaches on Cape Cod.” Conde Nast Traveler, 22 May. 2018, cntraveler.com/gallery/the-best-beaches-on-cape-cod
“Cape Cod Beaches.” ERA Cape Real Estate, capecodera.com/cape-cod-ma-beaches/