Surf Forecasts:
How big are the waves at Nai Harn Beach today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 0.5ft (0.1m), 16s period with W swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 1.5ft (0.5m), 6s period with W swell.
- Evening surf: Evening surf (21 Oct, local time) - 2ft (0.6m), 6s period with W swell.
The current surf forecast for Nai Harn Beach at 12AM is: 0.1m 17s primary swell from a West direction and 0.3m 4s secondary swell from a West-southwest direction (forecast issued at 06:00pm October 20). The wind direction is predicted to be glassy.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 0.5ft (0.1m) | 16s |
| Afternoon (21 Oct) | 1.5ft (0.5m) | 6s |
| Evening (21 Oct) | 2ft (0.6m) | 6s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Warm (max 29°C on Tue night, min 27°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 5 | SW 4 | W 17 | W 17 | W 16 | W 16 | W 16 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 5 | WSW 5 | W 5 | W 19 | W 19 | W 18 | W 18 |
Wave Graph  | |||||||||||||||||||
 kJ | 9 | 5 | 6 | 5 | 5 | 5 | 5 | 15 | 23 | 23 | 23 | 15 | 10 | 9 | 8 | 7 | 7 | 6 | 6 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | glassy | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | off | off | off | glassy | cross-on | cross | cross-off |
High Tide | 6:59PM1.16m | 6:49AM1.36m | 7:49PM1.35m | 7:43AM1.49m | 8:24PM1.54m | ||||||||||||||
Low Tide | 00:36AM0.81m | 1:28PM0.55m | 1:40AM0.65m | 2:06PM0.39m | |||||||||||||||
 |  | | | |  |  | | |  | |  | | | |  | | | | |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | 1 | 1 | 1 | 4 | 2 | — | — | — | — | — | — | — | 1 | 3 | 2 | — | — | — | — |
Temp °C | 28 | 28 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 |
Feels °C | 31 | 32 | 33 | 33 | 30 | 30 | 30 | 30 | 29 | 30 | 32 | 30 | 31 | 32 | 32 | 33 | 33 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SW 5 | SW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 5 | W 6 | W 6 | W 6 | W 6 | W 6 | WSW 5 | WSW 5 | W 5 | W 5 | W 5 | W 5 | W 5 |
| kJ | 5 | 5 | 4 | 4 | 2 | 2 | 5 | 15 | 23 | 23 | 23 | 15 | 10 | 9 | 8 | 5 | 4 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | SW 15 | W 16 | W 17 | W 17 | W 13 | W 13 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 15 | W 15 | W 15 | W 19 | W 19 | W 18 | W 18 |
| kJ | 9 | 5 | 6 | 5 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 7 | 7 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | W 13 | W 13 | W 16 | W 16 | W 13 | W 13 | W 13 | W 14 | W 9 | W 8 | W 8 | W 8 | W 9 | W 14 | — | W 8 | W 8 |
| kJ | — | — | 3 | 3 | 5 | 5 | 3 | 3 | 3 | 4 | 1 | 1 | 1 | 1 | 1 | 4 | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 108 | 108 | 97 | 97 | 97 | 635 | 635 | 635 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 115 | 636 | 106 | 97 |
Best forecast wave conditions in Phuket | |||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||
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