Can you swim here today?
Smathers Beach
Key West, Florida · Public beach
Warm water — comfortable, stay sun-safe
As of August 20, 2026, the water temperature at Smathers Beach is 91°F (33°C), measured by NOAA buoy KYWF1, 2.5 miles away.
Plenty warm for swimming. Stay hydrated, use sun protection, and keep an eye out for afternoon storms.
Water temp
91°F
33°C
Live data from NOAA buoy KYWF1 (2.5 mi away), as of Aug 20, 10:48 PM 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.