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OʻAHU · EAST HONOLULU · HAWAIʻI KAI

Hui Nalu Canoe Launch (Hawaiʻi Kai)

The Hui Nalu Canoe Club launch in Maunalua Bay — paddling and outrigger water-quality testing

Community Water Testing
The Hawai‘i Department of Health does not run routine bacteria-testing here. The readings below come from the Surfrider Foundation’s volunteer Blue Water Task Force, which fills coverage gaps DOH doesn’t reach.
Community Testing · Surfrider BWTF
Hui Nalu Canoe Launch
Last sample 2026-09-06 · view full report →
488 MPN/100mL
exceeds BAV
About: Volunteer water-quality monitoring by the Surfrider Foundation's Blue Water Task Force. Method: IDEXX Enterolert (MPN/100mL). Threshold: 130 MPN/100mL Beach Action Value — matches Hawaii DOH. Sampling: monthly (Kauaʻi/Maui), biweekly (Oʻahu).
Source: Surfrider Foundation Blue Water Task Force · Updated 2026-09-14
Water-quality sources
Check the dated sample
BWTF tested · biweekly

Hui Nalu Canoe Launch is the historic Hui Nalu Canoe Club launch site in Maunalua Bay — East Oʻahu's paddling hub. Check the Community Water Testing section for the sample date, result and full Surfrider report. A sample describes the water collected at that place and time; it does not establish today's water quality. Check the live DOH status above separately.

Why the Readings Run the Way They Do
Sheltered bay + urban runoff inputs

Hui Nalu Canoe Launch sits in Maunalua Bay in East Oʻahu. The bay has a fringing reef, canoe-club launch sites, and stream and storm-drain inputs from the East Honolulu / Hawaiʻi Kai watershed.

Kuliʻouʻou Stream enters elsewhere along the bay. Samples from that stream and the Hui Nalu launch describe different locations; check the launch's dated community result and current DOH advisories separately.

🌧️
After Rain — Wait Times
Light rain: 72 hours minimum, then visually verify the water has cleared.
Moderate rain: 4–7 days.
Storm or Kona low: wait until the water returns to clear blue-green visually. Can take 1–2+ weeks in extreme cases.
Testing Coverage

The Hawaii Department of Health does NOT routinely test Hui Nalu Canoe Launch (Hawaiʻi Kai). The community-tested readings on this page come from the Surfrider Foundation Blue Water Task Force, a volunteer-led monitoring program run by the Surfrider Oʻahu chapter.

BWTF samples Hui Nalu Canoe Launch (Hawaiʻi Kai) biweekly using the IDEXX Enterolert method (MPN/100mL), and compares results against the same 130 Beach Action Value DOH uses statewide. See our overview of citizen water-quality testing in Hawaiʻi for the methodology and how BWTF data fits with DOH coverage.

Practical Notes
Where to Enter

Sandy launch from the central area. Avoid the immediate stream-mouth zones along the bay's western flank (Kuliʻouʻou). Most paddling activity happens off the launch into the open bay.

When It's at Its Best

Mornings are often quieter before trade winds pick up. Canoe-club practices are part of the local setting; this is primarily a paddling launch.

Getting There

Off Hawaiʻi Kai Drive in central Hawaiʻi Kai, near the Maunalua Bay Beach Park. Public parking. The Maunalua Bay Beach Park itself is a separate access point with restrooms and showers.

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⚠️ Important Disclaimer

Safe to Swim Hawaii is an independent passion project — not affiliated with the Hawaii Department of Health, the Surfrider Foundation, or any government agency. Bacteria readings on this page come from the Surfrider Blue Water Task Force, a volunteer-led monitoring program. Readings are point-in-time samples; conditions change with weather, runoff, and wave patterns. 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 and BWTF directly before entering the water.

This site does not recommend or advise anyone to swim at any beach. We share publicly available 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. 🤙

© 2026 Safe to Swim Hawaii · Independent passion project · safetoswimhawaii@gmail.com