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Weekly swim report · August 21, 2026

Massachusetts swim report

On August 21, 2026 the warmest USGS water reading in Massachusetts was 78°F at FRESH POND IN GATE HOUSE AT CAMBRIDGE, MA; no water-related NWS hazards are active.

Warmest water

The 5 warmest of 25 sensors reporting a water temperature in Massachusetts today. Station names open the official monitoring page.

  1. #178°F 26°C8 hrs ago
  2. #278°F 26°C9 hrs ago
  3. #378°F 26°C9 hrs ago
  4. #478°F 26°C9 hrs ago
  5. #578°F 26°C8 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.

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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.