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.
- #1LAMPREY RIVER AT LANGFORD ROAD, AT RAYMOND, NHUSGS gauge · 7 ft³/s71°F 22°C8 hrs ago
- #2SOUHEGAN RIVER (SITE WLR-1) NEAR MILFORD, NHUSGS gauge · 33 ft³/s69°F 21°C8 hrs ago
- #3SOUTH BRANCH PISCATAQUOG RIVER NEAR GOFFSTOWN, NHUSGS gauge · 15 ft³/s68°F 20°C8 hrs ago
- #4ASHUELOT RIVER NEAR GILSUM, NHUSGS gauge · 12 ft³/s66°F 19°C9 hrs ago
- #5COLD RIVER AT HIGH STREET, AT ALSTEAD, NHUSGS gauge · 8 ft³/s66°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.
4.7(2,266)Mine Falls Park
Vast, natural riverfront oasis featuring forest trails, sports fields & outdoor activities.
4.8(680)Jackson Falls
A beloved White Mountains swimming hole in Jackson, New Hampshire, Jackson Falls features tiered waterfalls on Wildcat Brook with a total cascade of approximately 100 feet, creating multiple pools, natural water slides, and flat rock sundecks. Just a five-minute walk from Jackson village and 10 minutes from North Conway, the falls are accessible right off the road with a parking lot at the Upper Falls. Free admission, dog-friendly, with three separate tiers allowing visitors to spread out. Rocks and ledges can be slippery.
4.1(452)Silver Lake State Park
80-acre lakefront retreat with a large beach offering swimming, boating & picnicking.
4.5(398)Ashuelot River Park
This 157-acre wooded park features a river & wetlands, plus trails & a paved bike path.
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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.

