Surf Forecasts:
How big are the waves at Nai Harn Beach today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 7ft (2.2m), 8s period with W swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 6.5ft (2.0m), 8s period with W swell.
- Evening surf: Evening surf (19 Sep, local time) - 3.5ft (1.1m), 8s period with W swell.
The current surf forecast for Nai Harn Beach at 1AM is: 2.3m 8s primary swell from a West direction and 0.2m 16s secondary swell from a West-southwest direction (forecast issued at 06:00pm September 18). The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 7ft (2.2m) | 8s |
| Afternoon (19 Sep) | 6.5ft (2.0m) | 8s |
| Evening (19 Sep) | 3.5ft (1.1m) | 8s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 39mm), heaviest during Sat afternoon. Warm (max 28°C on Fri afternoon, min 26°C on Sun afternoon). Winds decreasing (strong winds from the W on Fri afternoon, calm by Mon morning). | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 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) | W 8 | W 8 | W 8 | W 8 | W 20 | W 8 | W 8 | W 8 | W 8 | W 8 | WSW 18 | WSW 18 | WSW 18 | WSW 18 | WSW 18 | W 8 | W 8 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 761 | 741 | 759 | 732 | 10 | 638 | 654 | 596 | 476 | 363 | 32 | 31 | 31 | 30 | 30 | 240 | 217 | 223 | 185 |
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 | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | cross | cross-on | cross-off | cross-off |
High Tide | 1:54PM1.23m | 2:27AM1.40m | 2:37PM1.08m | 3:48AM1.26m | 5:54PM0.98m | ||||||||||||||
Low Tide | 7:48PM0.63m | 9:04AM0.77m | 8:27PM0.78m | 11:46AM0.84m | |||||||||||||||
 |  |  |  | |  | | | | | | | | | | | |  | | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | 4 | 3 | — | — | — | — | 3 | 4 | 3 | 5 | 4 | 2 | 3 | 2 | 2 | 1 | 2 | 1 | — |
Temp °C | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 27 |
Feels °C | 25 | 26 | 26 | 27 | 26 | 26 | 28 | 27 | 28 | 29 | 28 | 30 | 30 | 30 | 30 | 29 | 31 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | — | — | — | WSW 16 | SW 16 | — | — | SW 15 | SW 15 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 |
| kJ | — | — | — | 25 | 10 | — | — | 9 | 8 | 363 | 307 | 307 | 277 | 277 | 235 | 240 | 217 | 223 | 185 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 20 | — | — | W 20 | W 19 | WSW 15 | WSW 18 | WSW 18 | WSW 18 | WSW 18 | WSW 18 | WSW 17 | WSW 17 | S 5 | SSE 5 |
| kJ | — | — | — | — | 8 | — | — | 7 | 7 | 21 | 32 | 31 | 31 | 30 | 30 | 30 | 29 | 17 | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 19 | W 19 | WSW 15 | W 15 | WSW 15 | W 14 | — | — | WSW 17 | WSW 16 | WSW 16 |
| kJ | — | — | — | — | — | — | — | — | 14 | 7 | 21 | 4 | 21 | 4 | — | — | 28 | 27 | 26 |
Wind waves Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | — | — | — | SSE 3 | SSE 3 | SSE 4 | SSE 5 | — | — |
| kJ | 761 | 741 | 759 | 732 | 655 | 638 | 654 | 596 | 476 | 161 | — | — | — | 3 | 9 | 16 | 17 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 636 | 636 | 636 | 636 | 636 | 636 | 646 | 636 | 24 | 4 | 24 | 4 | 4 | 8 | 8 | 15 | 24 | 0 | 0 |
Best forecast wave conditions in Phuket | |||||||||||||||||||
Best forecast wave conditions in Thailand | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nai Harn Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest