Best Time to Ride · Kauai – Hanalei Bay vs Oahu – Haleiwa
Kauai – Hanalei Bay vs Oahu – Haleiwa: which is better for surfing & SUP?
Kauai – Hanalei Bay or Oahu – Haleiwa? Month by month: windy days, waves and water temperature side by side, from years of weather data.
Find the best time to goTap a spot to see when to go: wind, waves, water temperature, sun and rain in every month, from years of weather statistics.
Updated October 2026 · weather data 2022–2026
In short
- Kauai – Hanalei Bay has bigger waves in 12 of 12 months.
- Oahu – Haleiwa has warmer water in 9 of 12 months.
- Best months at Kauai – Hanalei Bay: January–February, December.
- Best months at Oahu – Haleiwa: January–February, December.
- 159 km apart.
Kauai – Hanalei BayHawaii (Kauai North Shore), United StatesWave height per month (m, average daily max)
JFMAMJJASOND2.92.82.42.11.91.61.71.61.822.62.8
Water temperature per month (°C)
JFMAMJJASOND252424252526262727272726
Best time to go →
Oahu – HaleiwaHawaii, United StatesWave height per month (m, average daily max)
JFMAMJJASOND2.42.321.81.71.51.61.51.61.82.12.3
Water temperature per month (°C)
JFMAMJJASOND252525252626272727272726
Best time to go →Wave height: average daily maximum. Water: average sea surface temperature.