Weekly swim report · October 20, 2026
Massachusetts swim report
On October 20, 2026 the warmest USGS water reading in Massachusetts was 62°F at MT. HOPE BAY NEAR KENNEDY PARK AT FALL RIVER, MA; no water-related NWS hazards are active.
Warmest water
The 5 warmest of 24 sensors reporting a water temperature in Massachusetts today. Station names open the official monitoring page.
- #162°F 17°C19 hrs ago
- #261°F 16°C19 hrs ago
- #361°F 16°C19 hrs ago
- #460°F 15°C19 hrs ago
- #5STONY BROOK RESERVOIR AT DAM NEAR WALTHAM, MAUSGS gauge · 2 ft³/s58°F 15°C19 hrs ago
Active hazards in Massachusetts
No water-related NWS hazards are active in Massachusetts right now. Checked live against the National Weather Service alert feed.
Where to swim in Massachusetts
The most-reviewed, well-rated water destinations in Massachusetts — check each one’s live conditions before you go.
4.4(1,349)Plymouth Long Beach
Narrow 3-mile peninsula that offers public swimming & is a breeding ground for terns & plovers.
4.6(1,222)West Dennis Beach
Family-friendly spot with a playground showcases beach activities such as kite flying & windsurfing.
4.7(610)Assabet River National Wildlife Refuge
Small protected area with wetlands, forested areas & vernal pools for wildlife, plus public trails.
4.7(534)Brookline Reservoir Park
A walking/jogging track surrounds a reservoir anchoring this 32-acre recreation & fishing area.
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Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.