Thames River at Groton Water Level & Fishing Conditions

THAMES R AT GROTON, CT. · USGS 01127768 · Connecticut · 41.3444, -72.0886

Thames River is tidal at this station — flow reverses with the tide, so Waderly tracks water level and tide stage here instead of cfs.

About This Gauge

USGS 01127768 is a public stream gauge on Thames River in Connecticut. Waderly uses this page as the canonical landing page for flow, water level, and fishing-condition checks on this water. There are 8 nearby gauges linked from this page for watershed context.

Waderly combines real-time USGS stream gauges with weather, barometric pressure trends, and solunar activity so you know what the water is doing before you go. The "typical" comparison above is an approximation based on the historical daily median flow for this date at this gauge.

Nearby Gauges

• POQUONNOCK RIVER AT LONG HILL, CT · 2.6 mi
• POQUONNOCK RIVER AT BLUFF POINT STATE PARK, CT · 2.8 mi
• MYSTIC RIVER AT RAM ISLAND YACHT CLUB AT NOANK, CT · 5.5 mi
• LATIMER BROOK NR I-95N EXIT 75 NR FLANDERS, CT · 6.1 mi
• MYSTIC HARBOR AT SAFE HARBOR MARINA NR MYSTIC, CT · 6.2 mi
• MYSTIC RIVER US RTE I95 BRIDGE NEAR OLD MYSTIC, CT · 6.9 mi
• WHITFORD BK AT OLD MYSTIC,CT. · 7.5 mi
• WHITFORD BROOK BL WILLIAMS BROOK NR OLD MYSTIC, CT · 7.9 mi

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