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Surf Forecasts:
Nai Harn Beach surfForecast / Phuket / Thailand
48hr Weather and Surf, issued 12 am Tuesday 21 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
30.6° 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 7AM is: 0.1m 16s primary swell from a West direction and 0.1m 13s secondary swell from a West direction (forecast issued at 12:00am April 21). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 0.5ft (0.1m) | 16s |
| Afternoon (21 Apr) | 0.5ft (0.1m) | 16s |
| Evening (21 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
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 13 | 13 | 13 | 16 | 15 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 5 | 4 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 30 | 12 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | cross- off | cross- off | glass | cross- on | cross | cross- off | cross- off | cross- off | glass | cross- off | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | glass | glass | cross- on | cross- on |
High Tide / height (m) | 12:35AM 1.67 | 12:52PM 1.94 | 1:20AM 1.50 | 1:38PM 1.78 | 2:15AM 1.32 | 2:35PM 1.59 | ||||||||||||||||||
Low Tide / height (m) | 6:31AM 0.20 | 7:20PM 0.22 | 7:12AM 0.37 | 8:14PM 0.38 | 8:01AM 0.56 | |||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - |
 |  |  |  |  | | | | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | 1 | - | - | - | - | - | - | 3 | 1 | 3 | 2 | - | - | - | - | - | 3 | - | 2 | - | 1 | 1 | - |
| Temp. °C | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 30 | 29 |
| Feels °C (?) | 31 | 30 | 30 | 31 | 33 | 34 | 32 | 31 | 32 | 32 | 32 | 32 | 33 | 33 | 32 | 31 | 32 | 32 | 32 | 31 | 33 | 34 | 33 | 31 |
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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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