Water quality, conditions, and what to know before you go
Haleiwa has consistent winter surf with several breaks (Haleiwa, Avalanche, Toilet Bowls). Summer is generally flat. The harbor provides a channel for paddling out. Good for intermediate to advanced surfers.
Moderate shore break during winter swells. The sand bottom makes entries easier than reef breaks. The harbor area provides calmer access points for paddling out.
Haleiwa Stream and harbor can carry bacteria and pollutants. Post-rain water quality is a significant concern. Boat fuel and harbor runoff add to the mix. Avoid surfing for 72+ hours after heavy rain.
The Hawaii Department of Health recommends staying out of the ocean for at least 72 hours after heavy rain. This applies to all ocean activities including surfing. Runoff carries bacteria from land into nearshore waters.
When conditions are clear, Haleiwa Beach has great options for surfing. Check the water quality above, then book with confidence.
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Safe to Swim Hawaii provides water quality information based on publicly available DOH data and seasonal patterns. This is not medical or safety advice. Always check current conditions, obey posted signs, and use your own judgment before entering the ocean. Privacy Policy
⚠️ 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 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 DOH Clean Water Branch before entering the water.
This site does not recommend or advise anyone to swim at any beach. We share government data and geographic analysis so you can make your own informed decisions. By using this site you accept full responsibility for your own safety. See our Terms of Use for full details.
When in doubt, don't go out. 🤙