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Surf Forecasts:
Khao Lak / Nang Thong surfForecast / Andaman Sea / Thailand
48hr Weather and Surf, issued 12 am Tuesday 16 Sep 2025 +07
How big are the waves at Khao Lak / Nang Thong today?
The current surf forecast for Khao Lak / Nang Thong at 7AM is: 1.7m 8s primary swell from a West-southwest direction and 0.3m 16s secondary swell from a Southwest direction (forecast issued at 12:00am September 16). The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 5.5ft (1.7m) | 8s |
| Afternoon (16 Sep) | 5.5ft (1.7m) | 8s |
| Evening (16 Sep) | 5ft (1.5m) | 7s |
Table - waves today at Khao Lak / Nang Thong. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 562 | 581 | 535 | 439 | 402 | 421 | 417 | 337 | 306 | 285 | 300 | 217 | 213 | 190 | 193 | 189 | 189 | 189 | 165 | 175 | 178 | 193 | 198 | 197 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 4:52AM 1.73 | 6:36PM 1.45 | 6:58AM 1.81 | 8:05PM 1.66 | 8:07AM 2.01 | |||||||||||||||||||
Low Tide / height (m) | 9:42PM 0.98 | 12:27PM 0.90 | 12:37AM 1.01 | 1:59PM 0.70 | 2:02AM 0.81 | 2:45PM 0.49 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:27 | - | - | - | - | - | - | - | 6:25 | - | - | - | - | - | - | - | 6:24 | - |
 | | |  |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | 3 | 2 | 2 | - | 2 | 3 | 4 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 2 | 4 | 4 | 3 | 2 | 3 | 3 |
| Temp. °C | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 |
| Feels °C (?) | 30 | 29 | 29 | 30 | 29 | 28 | 28 | 29 | 30 | 29 | 29 | 30 | 31 | 31 | 29 | 30 | 30 | 28 | 28 | 29 | 29 | 29 | 29 | 29 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Andaman Sea
Continuing clean conditions at Khao Lak / Nang Thong (calm at Phuket International Airport 59 km from Khao Lak / Nang Thong). 1.6m 8s swell from the SW with a 0.5m 11s groundswell, also from the SW. 2 swells combining so expect closeout sets.
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