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Surf Forecasts:
Nai Harn Beach surfForecast / Phuket / Thailand
48hr Weather and Surf, issued 6 pm Tuesday 12 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
31.3° 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 3AM is: 0.3m 8s primary swell from a West-southwest direction and 0.1m 18s secondary swell from a West direction (forecast issued at 06:00pm May 12). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 1ft (0.3m) | 8s |
| Afternoon (13 May) | 1ft (0.3m) | 8s |
| Evening (13 May) | 1ft (0.3m) | 8s |
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 29mm), heaviest during Thu night. Warm (max 30°C on Thu afternoon, min 28°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 7 | W 8 | W 8 | W 7 | W 7 | W 8 | W 8 | W 8 | |
13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 12 | 12 | 20 | 20 | 20 | 20 | 19 | 27 | 72 | 115 | 112 | 112 | 145 | 234 | 277 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross | glassy | glassy | cross-on | on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | |
High Tide | 7:02PM1.48m | 7:52AM1.62m | 7:58PM1.58m | 8:35AM1.80m | 8:47PM1.67m | 9:16AM1.96m | ||||||||||||||||||
Low Tide | 1:03PM0.63m | 1:25AM0.34m | 2:00PM0.46m | 2:11AM0.22m | 2:49PM0.30m | 2:53AM0.12m | ||||||||||||||||||
 |  | | | | |  |  | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — | — |
 | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | 6:37 |
1 | 2 | 1 | 1 | 4 | 1 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | 1 | 5 | 2 | 4 | 3 | 1 | |
Temp °C | 29 | 28 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 30 |
31 | 31 | 32 | 31 | 32 | 32 | 34 | 32 | 32 | 32 | 32 | 31 | 31 | 32 | 33 | 32 | 33 | 33 | 32 | 32 | 32 | 32 | 31 | 32 | |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 7 | W 8 | W 8 | W 7 | W 7 | W 8 | W 8 | W 8 |
 kJ | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 12 | 12 | 20 | 20 | 20 | 20 | 19 | 27 | 72 | 115 | 112 | 112 | 145 | 234 | 277 |
Swell 2 Height (m) Direction Period (s) | W 13 | W 13 | W 13 | W 12 | W 18 | W 18 | SW 16 | SW 16 | SW 16 | SW 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 14 | W 18 | W 18 | W 15 |
| kJ | 3 | 3 | 3 | 3 | 6 | 6 | 10 | 10 | 10 | 10 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 6 | 6 | 4 |
Swell 3 Height (m) Direction Period (s) | W 19 | W 19 | W 18 | W 18 | W 12 | W 15 | — | — | W 12 | W 12 | N 5 | — | — | — | — | — | — | — | — | — | W 18 | W 14 | — | W 18 |
| kJ | 7 | 7 | 6 | 6 | 3 | 4 | — | — | 3 | 3 | 1 | — | — | — | — | — | — | — | — | — | 6 | 4 | — | 7 |
Wind waves Height (m) Direction Period (s) | — | NNW 2 | NNW 3 | NNW 3 | NNW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 102 | 102 | 97 | 97 | 635 | 97 | 97 | 635 | 635 | 97 | 97 | 782 | 782 | 97 | 782 | 782 | 782 | 4 | 4 | 4 | 24 | 4 | 4 | 24 |
Best forecast wave conditions in Phuket | ||||||||||||||||||||||||
Best forecast wave conditions in Thailand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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