Can you swim here today?
Greenwich Reservoir
Greenwich, Ohio · Lake
Comfortable for a swim today
Good to swimAs of August 22, 2026, the water temperature at Greenwich Reservoir is 77°F (25°C), measured by NOAA buoy 45203, 25.5 miles away.
Comfortable for a swim today: water temperature is 77°F, within the comfortable 70–86°F range.
- Water temperature is 77°F, within the comfortable 70–86°F range. — NOAA buoy 45203, as of Aug 22, 7:40 AM UTC
Water temp
77°F
25°C
No official beach-advisory feed for Ohio yet — follow posted signs and local guidance.
Live data from NOAA buoy 45203 (25.5 mi away), as of Aug 22, 7:40 AM UTC.
Before you get in
- Never swim alone — and keep weaker swimmers within arm's reach.
- Scout depth and entry/exit points before you get in.
- Read the current: avoid fast, rising, or murky water.
- Check the forecast — get out well before storms or lightning.
- Obey posted signs, flags, and lifeguard guidance.
Read next
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.