- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Nai Harn Beach surfForecast / Phuket / Thailand
48hr Weather and Surf, issued 6 pm Monday 18 May 2026 +07Forecast update in hr min s Forecast update imminent
Nai Harn Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nai Harn Beach sea temperature is
31.2° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Nai Harn Beach today?
The current surf forecast for Nai Harn Beach at 1AM is: 0.1m 20s primary swell from a West direction and 0.1m 15s secondary swell from a West direction (forecast issued at 06:00pm May 18). An open ocean swell of 1.1m 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 (19 May) | 4.5ft (1.3m) | 6s |
| Afternoon (19 May) | 0.5ft (0.2m) | 18s |
| Evening (19 May) | 0.5ft (0.2m) | 18s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 63mm), heaviest during Thu morning. Warm (max 30°C on Mon afternoon, min 28°C on Tue morning). Mainly fresh winds. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 21 | W 21 | W 9 | W 20 | W 5 | W 6 | W 18 | W 8 | WSW 18 | WSW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 17 | WSW 15 | WSW 15 | W 7 | W 7 | W 7 | |
9 | 9 | 55 | 7 | 83 | 114 | 6 | 32 | 30 | 30 | 30 | 27 | 25 | 25 | 50 | 51 | 26 | 26 | 29 | 44 | 45 | 79 | 178 | 178 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | 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 | |
High Tide | 11:47PM1.69m | 12:02PM2.06m | 00:34AM1.59m | 12:47PM1.95m | 1:26AM1.47m | |||||||||||||||||||
Low Tide | 5:45PM0.02m | 5:40AM0.16m | 6:32PM0.08m | 6:24AM0.28m | 7:22PM0.19m | 7:12AM0.42m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | | |  | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | 6:37 |
— | — | — | 2 | 2 | 1 | 1 | 5 | 3 | — | 3 | 5 | 4 | 3 | 4 | 5 | 5 | 2 | 3 | 2 | — | 1 | 5 | 7 | |
Temp °C | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 |
29 | 31 | 31 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 30 | 30 | 31 | 30 | 28 | 28 | 29 | 29 | 30 | 29 | 31 | 31 | 30 | |
Swell 1 Height (m) Direction Period (s) | W 14 | W 15 | W 9 | W 20 | W 19 | W 19 | W 18 | W 8 | WSW 18 | WSW 18 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 17 | WSW 15 | WSW 15 | W 7 | WSW 15 | WSW 16 |
 kJ | 4 | 4 | 55 | 7 | 7 | 7 | 6 | 32 | 30 | 30 | 30 | 27 | 25 | 25 | 50 | 51 | 26 | 26 | 29 | 44 | 45 | 184 | 47 | 47 |
Swell 2 Height (m) Direction Period (s) | W 21 | W 21 | W 20 | W 15 | W 15 | W 15 | — | WSW 18 | W 13 | — | — | — | — | W 20 | — | — | — | — | WSW 14 | SW 14 | — | WSW 15 | — | — |
| kJ | 9 | 9 | 7 | 4 | 4 | 4 | — | 30 | 3 | — | — | — | — | 7 | — | — | — | — | 21 | 8 | — | 45 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 9 | W 9 | WNW 5 | W 8 | W 5 | W 6 | W 6 | W 6 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 |
| kJ | 189 | 185 | 43 | 173 | 83 | 114 | 146 | 130 | 161 | 190 | 250 | 302 | 311 | 274 | 247 | 257 | 261 | 223 | 211 | 179 | 179 | 79 | 178 | 178 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 797 | 744 | 748 | 641 | 782 | 641 | 782 | 797 | 797 | 744 | 744 | 4 | 4 | 4 | 4 | 782 | 748 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
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