Weekly swim report · August 21, 2026
Connecticut swim report
On August 21, 2026 the warmest USGS water reading in Connecticut was 78°F at CONNECTICUT RIVER AT ESSEX, CT; no water-related NWS hazards are active.
Warmest water
The 5 warmest of 12 sensors reporting a water temperature in Connecticut today. Station names open the official monitoring page.
- #1CONNECTICUT RIVER AT ESSEX, CTUSGS gauge78°F 26°C9 hrs ago
- #2CONNECTICUT RIVER AT MIDDLE HADDAM, CTUSGS gauge · 2,100 ft³/s78°F 25°C9 hrs ago
- #3CONNECTICUT RIVER AT THOMPSONVILLE, CTUSGS gauge · 5,990 ft³/s77°F 25°C9 hrs ago
- #477°F 25°C9 hrs ago
- #5CONNECTICUT RIVER AT OLD LYME, CTUSGS gauge77°F 25°C9 hrs ago
Active hazards in Connecticut
No water-related NWS hazards are active in Connecticut right now. Checked live against the National Weather Service alert feed.
Where to swim in Connecticut
The most-reviewed, well-rated water destinations in Connecticut — check each one’s live conditions before you go.
4.4(5,900)Ocean Beach Park
1/2-mile beach boardwalk features an Olympic-size pool, miniature golf course, playgrounds & a cafe.
4.5(5,054)Seaside Park
This 325-acre park features beaches, grassy areas & sports fields, plus an island wildlife preserve.
4.5(3,491)Lighthouse Point Park
An 1847 lighthouse anchors this beachfront that is popular with swimmers & a prime birding spot.
4.5(3,084)Sherwood Island State Park
235 acres on the coast offering beaches for swimming & fishing, plus picnic areas & a 9/11 memorial.
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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.