Surf Forecasts:
How big are the waves at Nai Harn Beach today (20 Aug):
- Afternoon surf: Afternoon surf (20 Aug, local time) - 6ft (1.8m), 7s period with W swell.
- Evening surf: Evening surf (20 Aug, local time) - 5ft (1.6m), 8s period with W swell.
The current surf forecast for Nai Harn Beach at 10PM is: 1.5m 8s primary swell from a West direction and 0.3m 18s secondary swell from a West-southwest direction, 0.3m 18s secondary swell from a West-southwest direction (forecast issued at 06:00pm August 20). The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| Afternoon (20 Aug) | 6ft (1.8m) | 7s |
| Evening (20 Aug) | 5ft (1.6m) | 8s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Fri morning. Warm (max 29°C on Thu afternoon, min 26°C on Fri afternoon). Winds decreasing (fresh winds from the WSW on Thu afternoon, light winds from the SW by Fri afternoon). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 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) | W 7 | W 8 | W 8 | W 8 | WSW 17 | W 7 | WSW 17 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 349 | 319 | 248 | 90 | 59 | 70 | 57 | 55 | 54 | 53 | 52 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:39PM1.24m | 3:28AM1.38m | 3:34PM1.08m | 5:01AM1.28m | 6:22PM1.00m | ||||||||||||||
Low Tide | 8:43PM0.62m | 10:04AM0.80m | 9:36PM0.76m | 12:39PM0.83m | |||||||||||||||
 |  | | |  |  | | |  | | | | | | | |  |  | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | — | 1 | 2 | 2 | 1 | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 |
Feels °C | 29 | 30 | 31 | 29 | 29 | 29 | 30 | 27 | 29 | 30 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | WSW 18 | WSW 18 | WSW 18 | W 8 | WSW 17 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | WNW 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
| kJ | 62 | 61 | 61 | 217 | 59 | 152 | 143 | 117 | 117 | 117 | 100 | 86 | 95 | 107 | 131 | 134 | 161 | 161 | 165 |
Swell 2 Height (m) Direction Period (s) | — | — | WSW 18 | WSW 18 | WSW 17 | WSW 17 | WSW 17 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 |
| kJ | — | — | 61 | 60 | 30 | 58 | 57 | 55 | 54 | 53 | 52 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 8 | W 8 | W 8 | W 7 | W 7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 349 | 319 | 248 | 90 | 183 | 70 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 24 | 4 | 4 | 4 | 4 | 4 | 4 | 24 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in Phuket | |||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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