What to know before you go
South swells bring larger surf, rocky shoreline becomes more dangerous
Popular surf spot with experienced locals, not suitable for casual beach visitors
| Lifeguards | No |
| Nearest Hospital | Straub Medical Center (3 mi) |
| Cell Coverage | Excellent |
| Emergency | Call 911 — Ocean Safety: (808) 723-8170 |
This is not a beach for swimming or sunbathing. The rocky shoreline makes entry and exit dangerous. For surfers only.
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 Diamond Head Beach and every beach in Hawaiʻi.
Rocky shoreline — no sand. Strong currents. Difficult entry/exit over rocks. Popular surf spot — localism.
No. Nearest hospital: Straub Medical Center (3 mi). Cell phone coverage: Excellent.
Winter: South swells bring larger surf, rocky shoreline becomes more dangerous. Summer: Popular surf spot with experienced locals, not suitable for casual beach visitors
This is not a beach for swimming or sunbathing. The rocky shoreline makes entry and exit dangerous. For surfers only.
Tours listed via Viator and GetYourGuide. Safe to Swim Hawaii may earn a commission if you book, at no extra cost to you.
Free alerts when advisories change at your beach.
⚠️ 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. 🤙