Peconic River at County HWY 105 at Riverhead, New York water temperature

Peconic River at County HWY 105 at Riverhead, New York · Sea/Coast

The current water temperature at Peconic River at County HWY 105 at Riverhead is 25.5 °C (as of August 31, 2026, source: USGS).

The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.

25.5 °C

Measured: August 31, 2026 · continuously updated

💧 Water 25.5° · ☀️ Air 21.7° · high today 25.7°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 486 data points since July 3, 2026.

Lowest recorded value: 23.6 °C on July 7, 2026 · highest value: 29.2 °C on August 10, 2026.

Nearby waters

Atlantic, Hamptons / Coopers Beach · 20.5 km away22.6 °C Shelter Island Sound at Shelter Island, New York · 30.5 km away24.5 °C Orient Harbor at Orient, New York · 37.0 km away24.1 °C Flax Pond at Old Field, New York · 42.7 km away25.6 °C Atlantic, Great South Bay · 44.9 km away24.7 °C

Frequently asked questions

Can you swim at Peconic River at County HWY 105 at Riverhead right now?
The current water temperature is 25.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Peconic River at County HWY 105 at Riverhead?
Currently 25.5 °C (updated continuously).

← All waters