Thailand · Surat Thani
10.07 | 99.83
Rocky Bay (Aow Thian Ok) is on Koh Tao's southeast coast. As the name suggests, the bay has rocky features. Limited kitesurfing space but rideable during strong NE monsoon days. For advanced riders only due to rocks and limited space.
The season runs from May to September, peaking in August: 25 rideable days a month and 304 hours of usable wind, at 29 °C. The low point is April, at 12 days.
16-22 knots · 73% 22-30 knots · 26% 30-40 knots · 1%
When the spot works, wind sits mostly between 16 and 22 knots — 73% of rideable hours. Big-kite territory. The coldest month is January, at 27 °C. The wettest month is November, with 18 mm. Bar height is the month's rideable days; the split shows how its wind hours break down by strength.
| Month | Rideable days | Usable wind | Temperature | Rain |
|---|---|---|---|---|
| January | 19.0 | 193 h | 27 °C | 0 mm |
| February | 19.7 | 186 h | 28 °C | 0 mm |
| March | 17.3 | 165 h | 28 °C | 0 mm |
| April | 12.0 | 108 h | 29 °C | 4 mm |
| May | 22.7 | 226 h | 30 °C | 8 mm |
| June | 24.0 | 258 h | 29 °C | 1 mm |
| July | 26.7 | 289 h | 28 °C | 4 mm |
| August | 27.7 | 304 h | 28 °C | 0 mm |
| September | 25.3 | 288 h | 28 °C | 1 mm |
| October | 19.0 | 164 h | 28 °C | 7 mm |
| November | 17.0 | 166 h | 28 °C | 18 mm |
| December | 22.0 | 217 h | 28 °C | 10 mm |
Ridden here? One photo or video, and the spot comes alive for everyone discovering it.
Open all year round
Advanced
Choppy with rocks. Limited space. Some waves.
NE monsoon (Nov-Mar). Direct NE exposure on the east coast.
Rocks and boulders in the water. Very limited space. Strong currents. No rescue access.
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