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Maui · South Shore

Wailea 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 Wailea Beach
October Advisory Risk Low

Even during Hawaii's wet season, Wailea Beach benefits from its dry microclimate and has minimal advisory history. Bacteria risk remains low year-round.

🌧️ Rainfall & Runoff

October is transitional for Maui but Wailea stays dry. The south shore is the last part of Maui to feel seasonal rain changes. Water quality remains consistently good.

🌊 Ocean Conditions

Wailea's south shore is characteristically calm with gentle waves. Water temperature ranges from 75-78°F in winter to 79-80°F in summer. Excellent for swimming and snorkeling year-round.

👥 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.

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, Wailea Beach has excellent ocean activities. Check the water quality above, then book with confidence.

⛳ Wailea Snorkel & Turtle Tour
South Maui snorkeling cruise with turtle sightings, gear included. Departs near Wailea.
Viator
🏄 Wailea Coast Snorkeling
Guided snorkeling along the Wailea coast with opportunities to swim with sea turtles.
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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