Updated
Flat River Reservoir
Lake · Coventry, Rhode Island
Cold water — serious cold-shock risk today
Cold waterCold water — serious cold-shock risk today: water temperature is 47°F, cold enough to cause cold-water shock on sudden immersion.
- Water temp 47°F (8°C)
- Streamflow 2 ft³/s
- Gage height 1.16 ft
Live, provisional data from USGS gauge WILBUR HOLLOW BK AT OLD PLAINFIELD PK NR CLAYVILLE (3.6 mi away), as of Oct 20, 4:20 AM gauge-local time.
Why, sources & official advisories
- Water temperature is 47°F, cold enough to cause cold-water shock on sudden immersion. — USGS gauge 01115297, as of Oct 20, 4:20 AM gauge-local time
No official beach-advisory feed for Rhode Island yet — follow posted signs and local guidance.
Get an email when it’s warm enough
It’s 47°F at Flat River Reservoir now. We check the water daily and email you once when it reaches your temperature.
reservoir in Rhode Island, United States
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Weather at Flat River Reservoir
44°F, Clear · H 63° / L 42° · 7% chance of rain3-day forecast
Frequently asked questions
- Where is Flat River Reservoir?
- Flat River Reservoir is a lake in Coventry, Rhode Island.
- What is the water temperature at Flat River Reservoir?
- As of October 20, 2026, the water temperature at Flat River Reservoir in Coventry, Rhode Island is 47°F (8°C), measured by USGS gauge 01115297, 3.6 miles away.
- Can you swim at Flat River Reservoir?
- Cold water — serious cold-shock risk today: water temperature is 47°F, cold enough to cause cold-water shock on sudden immersion. Checked October 20, 2026.
- How is Flat River Reservoir rated?
- Flat River Reservoir in Coventry, Rhode Island has an average visitor rating of 4.3 out of 5, based on 29 reviews.
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Location & Contact
Coventry, RI 02816
Coventry, Rhode Island 02816
🏞️ Best times & visiting tips
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
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