Live beach safety data
Water Quality Advisories.
The State of Hawaiʻi Department of Health Clean Water Branch monitors over 250 beaches and posts public advisories when bacteria levels exceed safe thresholds.
What you can do with the system
Features
- Quick overview of all active advisories in a single list.
- Search by island and type of advisory.
- Interactive map with pins showing advisories for specific locations and the date posted.
- Subscribe to email notifications with a single click.
- Receive notifications when advisories have been canceled.
- Future updates will add SMS notifications and per-island filters.
After heavy rain
A note on storm runoff
After any storm event, storm-water runoff may contain sewage, harmful micro-organisms, and chemicals from commercial and industrial sources. Avoid swimming for at least 48 hours after major rainfall, even if no advisory is posted.