Can you swim here today?
Sullivan's Island Beach
Charleston, South Carolina · Beach
Comfortable for a swim today
Good to swimAs of October 20, 2026, the water temperature at Sullivan's Island Beach is 71°F (22°C), measured by NOAA buoy CHTS1, 5.3 miles away.
Comfortable for a swim today: water temperature is 71°F, within the comfortable 70–86°F range.
- Water temperature is 71°F, within the comfortable 70–86°F range. — NOAA buoy CHTS1, as of Oct 20, 6:18 AM UTC
Water temp
71°F
22°C
No official beach-advisory feed for South Carolina yet — follow posted signs and local guidance.
Live data from NOAA buoy CHTS1 (5.3 mi away), as of Oct 20, 6:18 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.