Can you swim here today?
Clear Lake
California · Lake
Cold water — serious cold-shock risk today
Cold waterAs of August 22, 2026, the water temperature at Clear Lake is 55°F (13°C), measured by NOAA buoy HBXC1, 26.3 miles away.
Cold water — serious cold-shock risk today: water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion.
- Water temperature is 55°F, cold enough to cause cold-water shock on sudden immersion. — NOAA buoy HBXC1, as of Aug 22, 5:00 AM UTC
- No official beach advisory posted (California Water Boards — FHAB Reports checked).
Water temp
55°F
13°C
Official advisories
Checked against California Water Boards — FHAB Reports — no advisory posted.
Live data from NOAA buoy HBXC1 (26.3 mi away), as of Aug 22, 5:00 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.