Surf Forecasts:
How big are the waves at Nai Harn Beach today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 0.5ft (0.2m), 18s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 0.5ft (0.2m), 17s period with WSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 0.5ft (0.2m), 16s period with WSW swell.
The current surf forecast for Nai Harn Beach at 2AM is: 0.2m 18s primary swell from a West-southwest direction (forecast issued at 06:00pm September 19). An open ocean swell of 1.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 0.5ft (0.2m) | 18s |
| Afternoon (20 Sep) | 0.5ft (0.2m) | 17s |
| Evening (20 Sep) | 0.5ft (0.2m) | 16s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 48mm), heaviest during Sun morning. Warm (max 29°C on Sat afternoon, min 25°C on Sun afternoon). Wind will be generally light. | |||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||
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 8 | WSW 15 | WSW 15 | WSW 18 | WSW 18 | W 8 | WSW 18 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 169 | 21 | 21 | 31 | 31 | 95 | 30 | 30 | 29 | 27 | 26 | 113 | 74 | 57 | 72 | 76 | 60 | 58 | 58 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy |
High Tide | 2:37PM1.08m | 3:48AM1.26m | 5:54PM0.98m | 6:35AM1.27m | 8:01PM1.13m | ||||||||||||||
Low Tide | 8:27PM0.78m | 11:46AM0.84m | 11:07PM0.89m | 1:52PM0.71m | |||||||||||||||
 |  | | |  |  | | | |  |  | |  | |  | | | | | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 1 | 4 | 1 | 5 | 6 | 7 | 7 | 8 | 6 | 1 | — | — | — | 1 | — | — | — | — | — |
Temp °C | 29 | 29 | 29 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 |
Feels °C | 31 | 32 | 31 | 28 | 28 | 27 | 28 | 27 | 27 | 30 | 31 | 32 | 32 | 32 | 32 | 32 | 31 | 33 | 32 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | WSW 18 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
| kJ | 428 | 331 | 277 | 229 | 31 | 291 | 263 | 203 | 173 | 142 | 142 | 113 | 74 | 57 | 72 | 76 | 60 | 58 | 58 |
Swell 2 Height (m) Direction Period (s) | SW 15 | WSW 15 | WSW 15 | WSW 18 | WSW 15 | WSW 18 | WSW 18 | WSW 17 | WSW 17 | WSW 16 | SSE 4 | WSW 16 | WNW 8 | WNW 8 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 |
| kJ | 8 | 21 | 21 | 31 | 21 | 30 | 30 | 30 | 29 | 27 | 7 | 25 | 33 | 22 | 25 | 25 | 25 | 24 | 24 |
Swell 3 Height (m) Direction Period (s) | W 19 | W 19 | SW 18 | WSW 15 | SW 15 | — | — | — | SW 17 | SW 17 | WSW 16 | — | SSE 4 | SSE 4 | SSE 4 | — | SSE 4 | SSE 4 | SE 4 |
| kJ | 7 | 7 | 13 | 21 | 9 | — | — | — | 12 | 11 | 26 | — | 3 | 4 | 2 | — | 2 | 2 | 1 |
Wind waves Height (m) Direction Period (s) | W 8 | — | — | — | W 8 | W 8 | SSE 4 | SSE 4 | SSE 5 | SSE 4 | — | SSE 4 | — | — | — | SE 4 | — | — | — |
| kJ | 169 | — | — | — | 223 | 95 | 6 | 16 | 17 | 12 | — | 6 | — | — | — | 3 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 24 | 4 | 24 | 4 | 4 | 4 | 20 | 15 | 20 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Phuket | |||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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