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Weekly swim report · August 21, 2026

New Hampshire swim report

On August 21, 2026 the warmest USGS water reading in New Hampshire was 71°F at LAMPREY RIVER AT LANGFORD ROAD, AT RAYMOND, NH; no water-related NWS hazards are active.

Warmest water

The 5 warmest of 9 sensors reporting a water temperature in New Hampshire today. Station names open the official monitoring page.

  1. #171°F 22°C8 hrs ago
  2. #269°F 21°C8 hrs ago
  3. #368°F 20°C8 hrs ago
  4. #4
    ASHUELOT RIVER NEAR GILSUM, NHUSGS gauge · 12 ft³/s
    66°F 19°C9 hrs ago
  5. #566°F 19°C8 hrs ago

Active hazards in New Hampshire

No water-related NWS hazards are active in New Hampshire right now. Checked live against the National Weather Service alert feed.

Where to swim in New Hampshire

The most-reviewed, well-rated water destinations in New Hampshire — 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.