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Surf Forecasts:
Nai Harn Beach surfForecast / Phuket / Thailand
48hr Weather and Surf, issued 6 am Saturday 21 Mar 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
29.6° C
(Which is 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 2PM is: 0.1m 15s primary swell from a West direction and 0.1m 10s secondary swell from a West direction (forecast issued at 06:00am March 21). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 0.5ft (0.1m) | 15s |
| Afternoon (21 Mar) | 0.5ft (0.1m) | 18s |
| Evening (21 Mar) | 0.5ft (0.1m) | 17s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| 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 | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 15 | 15 | 18 | 18 | 17 | 13 | 13 | 13 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 3 | 3 | 3 | 5 | 5 | 5 | 10 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | on | cross | cross- off | cross- off |
High Tide / height (m) | 11:58AM 2.09 | 12:10AM 1.92 | 12:32PM 2.04 | 12:45AM 1.78 | 1:07PM 1.94 | |||||||||||||||||||
Low Tide / height (m) | 5:44AM -0.10 | 6:08PM 0.00 | 6:16AM -0.03 | 6:45PM 0.08 | 6:49AM 0.10 | 7:25PM 0.22 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| Sunrise | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - |
 |  | | | | | | | | | | | | | | | | | | | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 27 | 26 | 27 | 28 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 29 |
| Feels °C (?) | 27 | 27 | 27 | 30 | 30 | 31 | 32 | 30 | 27 | 26 | 28 | 30 | 28 | 30 | 31 | 31 | 28 | 28 | 28 | 30 | 28 | 31 | 31 | 32 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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