What to know before you go
Massive surf, river flooding, road may be impassable
Still dangerous currents, river bacteria levels elevated year-round
| Lifeguards | No |
| Nearest Hospital | North Hawaii Community Hospital (30+ mi) |
| Cell Coverage | None in valley |
| Emergency | Call 911 — Ocean Safety: (808) 723-8170 |
No one should swim at this beach. It is not a swimming beach. Multiple drownings have occurred here. The beauty of the valley does not make the water any less lethal.
After heavy rain, bacteria and pollutants from runoff contaminate coastal waters. Wait at least 72 hours after heavy rain and until the water clears before entering. This applies to Waipiʻo Valley Beach and every beach in Hawaiʻi.
Extremely strong currents — swimmers swept out. River mouth bacteria after rain. 4WD access only or steep hike. No lifeguards, remote, limited cell coverage.
No. Nearest hospital: North Hawaii Community Hospital (30+ mi). Cell phone coverage: None in valley.
Winter: Massive surf, river flooding, road may be impassable. Summer: Still dangerous currents, river bacteria levels elevated year-round
No one should swim at this beach. It is not a swimming beach. Multiple drownings have occurred here. The beauty of the valley does not make the water any less lethal.
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⚠️ Important Disclaimer
Safe to Swim Hawaii is an independent passion project — it is not affiliated with the Hawaii Department of Health, any entity mentioned on this page, or any government agency or hotel brand. Water quality ratings on this site are estimates based on publicly available testing data and geographic analysis. They are not real-time measurements and may not reflect current conditions.
Always verify current water quality conditions with the Hawaii Department of Health Clean Water Branch before entering the water. This site is for informational purposes only and should not be the sole basis for any swimming decisions.
When in doubt, donʻt go out. 🤙