Updated
Ko Olina
Beach · Kapolei, Hawaii
Comfortable for a swim today
Good to swimComfortable for a swim today: water temperature is 81°F, within the comfortable 70–86°F range.
- Water temp 81°F (27°C)
Live data from NOAA buoy 51212 (1.8 mi away), as of Oct 20, 6:00 AM UTC.
Why, sources & official advisories
- Water temperature is 81°F, within the comfortable 70–86°F range. — NOAA buoy 51212, as of Oct 20, 6:00 AM UTC
No official beach-advisory feed for Hawaii yet — follow posted signs and local guidance.
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Things to Do Near Ko Olina
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Ko Olina Catamaran Sail and Snorkel with Lunch
Luxury Snorkel Cruise with Dolphin Watch and Hawaiian Meal
Kō Hana Hawaiian Rum Distillery Tour and Tasting for One
Oahu: Roundtrip Shuttle From Waikiki to Dole Plantation & Haleiwa
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Weather at Ko Olina
77°F, Patchy rain nearby · H 80° / L 76° · 8% chance of rain3-day forecast
Frequently asked questions
- Where is Ko Olina?
- Ko Olina is a beach in Kapolei, Hawaii.
- What is the water temperature at Ko Olina?
- As of October 20, 2026, the water temperature at Ko Olina in Kapolei, Hawaii is 81°F (27°C), measured by NOAA buoy 51212, 1.8 miles away.
- Can you swim at Ko Olina?
- Comfortable for a swim today: water temperature is 81°F, within the comfortable 70–86°F range. Checked October 20, 2026.
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Location & Contact
Kapolei, Hawaii
🏖️ Best times & visiting tips
- ›Arrive early for best parking and beach spot selection
- ›Check for lifeguard schedules and swim only in designated areas
- ›Bring reef-safe sunscreen to protect marine life
- ›Watch for beach flags indicating water conditions
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