Surf Forecasts:
How big are the waves at Nai Harn Beach today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 0.5ft (0.2m), 21s period with WSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 0.5ft (0.2m), 22s period with WSW swell.
The current surf forecast for Nai Harn Beach at 10PM is: 0.2m 22s primary swell from a West-southwest direction and 0.1m 8s secondary swell from a West direction (forecast issued at 06:00pm August 18). An open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | 0.5ft (0.2m) | 21s |
| Evening (18 Aug) | 0.5ft (0.2m) | 22s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Tue night. Warm (max 29°C on Tue afternoon, min 28°C on Tue afternoon). Mainly fresh winds. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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) | WSW 21 | WSW 22 | WSW 22 | W 6 | W 6 | W 6 | W 6 | WSW 20 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 45 | 45 | 45 | 71 | 80 | 91 | 108 | 75 | 175 | 206 | 254 | 285 | 337 | 399 | 422 | 381 | 358 | 368 | 298 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:36PM1.58m | 2:04AM1.62m | 2:05PM1.41m | 2:39AM1.50m | 2:39PM1.24m | ||||||||||||||
Low Tide | 7:44PM0.32m | 8:14AM0.52m | 8:12PM0.47m | 8:56AM0.66m | 8:43PM0.62m | ||||||||||||||
 |  | |  | | | | |  | | | | | | | |  |  | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 6:40 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:39 | — | — |
mm | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | WSW 21 | WSW 22 | WSW 22 | W 8 | WSW 21 | WSW 20 | WSW 20 | WSW 20 | WSW 20 | WSW 20 | WSW 19 | — | — | — | — | — | WSW 18 | WSW 18 | W 8 |
| kJ | 45 | 45 | 45 | 12 | 44 | 41 | 77 | 75 | 75 | 75 | 74 | — | — | — | — | — | 62 | 61 | 298 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | WSW 22 | W 13 | W 13 | SW 13 | W 13 | W 13 | W 13 | — | — | — | — | — | — | — | WSW 18 | WSW 18 |
| kJ | 1 | 1 | 1 | 45 | 4 | 3 | 7 | 3 | 3 | 3 | — | — | — | — | — | — | — | 61 | 61 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 14 | W 14 | W 13 | — | — | W 16 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 7 | 4 | 4 | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 8 | — |
| kJ | 89 | 81 | 74 | 71 | 80 | 91 | 108 | 144 | 175 | 206 | 254 | 285 | 337 | 399 | 422 | 381 | 358 | 368 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 635 | 636 | 635 | 635 | 636 | 636 | 636 | 636 | 646 | 782 | 635 | 635 | 635 | 635 | 24 | 24 |
Best forecast wave conditions in Phuket | |||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||
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