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Makena Beach Water Quality in October

What to expect for water quality, rainfall, and ocean conditions

Checking live advisories…
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October Conditions at Makena Beach
October Advisory Risk Low

Even during Hawaii's wet season, Makena Beach benefits from its extremely dry microclimate on south Maui. No streams discharge near the beach. Bacteria risk is minimal year-round. The primary hazard is powerful shore break, not water quality.

🌧️ Rainfall & Runoff

October is transitional but Makena stays dry. South swells become less frequent. The shore break eases compared to summer. Water quality remains pristine on this driest stretch of Maui coastline.

🌊 Ocean Conditions

Winter brings some north swell energy wrapping to the south coast, but shore break is less intense than summer. The steep beach face still produces pounding waves. Water temperature is 75-77°F. Never turn your back on the ocean here.

👥 Crowd Levels

Moderate to low. Fall shoulder season offers fewer tourists while conditions remain good. This is one of the best value periods for visiting Hawaii.

📌 October Notes
Makena (Big Beach) has extremely powerful shore break. This beach has one of the highest rates of spinal cord injuries in Hawaii. Never turn your back on the ocean. If unsure, watch conditions from the beach before entering. There are no lifeguards at the main beach.
If It Looks Brown, Don't Swim
Never enter the ocean when the water appears brown or murky, even if no advisory is posted. Hawaii is often slow to test beaches and update advisories — not every beach is monitored. After heavy rain, wait at least 72 hours and until the water clears before swimming.
Learn more about brown water advisories →
⚠️ The 72-Hour Rain Rule

The Hawaii Department of Health recommends staying out of the ocean for at least 72 hours after heavy rain. In october, this is especially important as wet-season storms can produce heavy rainfall and significant runoff.

Book Tours & Activities

When conditions are clear, Makena Beach has excellent ocean activities. Check the water quality above, then book with confidence.

⛳ South Maui Snorkel Cruise
Snorkeling cruise along Makena's pristine coast with turtle sightings and clear water.
Viator
🏄 Makena & Wailea Ocean Tour
Guided ocean adventure along South Maui's coast with snorkeling, marine life, and stunning views.
GetYourGuide

Tours listed via Viator and GetYourGuide. Safe to Swim Hawaii may earn a commission if you book, at no extra cost to you.

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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.

When in doubt, don't go out. 🤙

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