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Surf Forecasts:
Nai Harn Beach surfForecast / Phuket / Thailand
48hr Weather and Surf, issued 6 am Monday 20 Apr 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
30.5° C
(Which is slightly warmer than usual)How big are the waves at Nai Harn Beach today?
The current surf forecast for Nai Harn Beach at 2PM is: 0.1m 18s primary swell from a West direction and 0.1m 14s secondary swell from a West direction (forecast issued at 06:00am April 20). An open ocean swell of 0.2m 2s 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 Apr) | 0.5ft (0.1m) | 18s |
| Afternoon (20 Apr) | 0.5ft (0.1m) | 18s |
| Evening (20 Apr) | 0.5ft (0.1m) | 16s |
Table - waves today at Nai Harn Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| 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) (?) | 15 | 18 | 18 | 18 | 14 | 14 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 13 | 13 | 13 | 12 | 15 | 15 | 15 | 19 | 19 | 19 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4 | 6 | 6 | 6 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 7 | 7 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | glass | cross- on | cross | cross- off | cross | cross | cross- off | glass | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | off | glass | cross- on | cross- on | cross | cross- on |
High Tide / height (m) | 12:12PM 2.07 | 12:35AM 1.67 | 12:52PM 1.94 | 1:20AM 1.50 | 1:38PM 1.78 | |||||||||||||||||||
Low Tide / height (m) | 5:53AM 0.06 | 6:35PM 0.08 | 6:31AM 0.20 | 7:20PM 0.22 | 7:12AM 0.37 | 8:14PM 0.38 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| Sunrise | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - |
 |  | | | |  | | | | | | | | | | |  | |  | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | 4 |
| Temp. °C | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 |
| Feels °C (?) | 31 | 31 | 32 | 33 | 31 | 30 | 32 | 32 | 32 | 33 | 33 | 32 | 31 | 30 | 32 | 32 | 30 | 31 | 31 | 34 | 31 | 30 | 33 | 33 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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