Can you swim here today?
Boulder Bay Park
Big Bear Lake, California · Park
Use caution — no live reading, and an advisory is in effect
Use cautionUse caution — no live reading, and an advisory is in effect: a harmful-algae advisory is posted for Big Bear Lake (0 mi away).
- A harmful-algae advisory is posted for Big Bear Lake (0 mi away). — California Water Boards — FHAB Reports, as of May 6, 2026
- A harmful-algae advisory is posted for Big bear lake ca (2 mi away). — California Water Boards — FHAB Reports, as of August 18, 2026
- No live water-temperature reading for this spot.
Official advisories
- WarningCalifornia HAB Warning advisory: Big Bear Lake0 mi away
Lake-wide advisory; Updates from routine monitoring program-organization · Advisory posted 2026-05-06 · San Bernardino County
California Water Boards — FHAB Reports · May 6, 2026
- CautionCalifornia HAB Caution advisory: Big bear lake ca2 mi away
Lake-wide advisory; Visual monitoring only-present bloom · Advisory posted 2026-08-18 · San Bernardino County
California Water Boards — FHAB Reports · August 18, 2026
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.