Water quality status, sea turtle guide, and swimming conditions
📍 Kaloko-Honokōhau National Historical Park, Kailua-Kona
Honokōhau Beach benefits from the Big Islandʻs dry Kona microclimate — one of the least-rainy coastal areas in the entire state. With virtually no stream runoff, no nearby agriculture, and strong open-ocean flushing from consistent Kona winds, water quality is typically excellent.
The beach sits inside Kaloko-Honokōhau National Historical Park, which helps preserve both water quality and the surrounding ecosystem. The area is one of the best turtle-viewing beaches on the Big Island, with green sea turtles frequently seen resting on the sand and feeding offshore.
Based on: Dry Kona microclimate, no stream input, national park protection, open ocean flushing
The DOH recommends staying out of the ocean for at least 72 hours after heavy rain. Honokōhau Beach rarely receives significant rain, but on those occasions when rain does occur, wait until the water clears before swimming.
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⚠️ Important Disclaimer
Safe to Swim Hawaii is an independent passion project — not affiliated with the Hawaii Department of Health or any government agency. Water quality ratings are estimates based on publicly available data. They are not real-time measurements.
Always verify with the Hawaii Department of Health Clean Water Branch before swimming.
When in doubt, don't go out. 🤙