Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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Surf Forecasts:
Khao Lak / Nang Thong surfForecast / Andaman Sea / Thailand
48hr Weather and Surf, issued 6 am Wednesday 17 Dec 2025 +07Forecast update in hr min s Forecast update imminent
Khao Lak / Nang Thong surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Khao Lak / Nang Thong sea temperature is
28.6° C
(Which is normal for this time of year)How big are the waves at Khao Lak / Nang Thong today?
The current surf forecast for Khao Lak / Nang Thong at 1PM is: 0.3m 16s primary swell from a Southwest direction and 0.1m 13s secondary swell from a Southwest direction, 0.2m 4s secondary swell from a North direction (forecast issued at 06:00am December 17). The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 0.5ft (0.2m) | 17s |
| Afternoon (17 Dec) | 1ft (0.3m) | 16s |
| Evening (17 Dec) | 1ft (0.3m) | 16s |
Table - waves today at Khao Lak / Nang Thong. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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 | 13 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 18 | 18 | 28 | 41 | 41 | 41 | 41 | 41 | 37 | 57 | 57 | 57 | 78 | 77 | 75 | 73 | 73 | 73 | 72 | 72 | 71 | 50 | 46 | 28 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- on | on | glass | glass | off | off | off | glass | on | on | glass | off | off | off | off | glass | cross- on | on | glass | glass | off |
High Tide / height (m) | 8:28AM 1.77 | 8:46PM 2.16 | 9:09AM 1.85 | 9:23PM 2.25 | 9:46AM 1.91 | 9:58PM 2.33 | ||||||||||||||||||
Low Tide / height (m) | 2:47AM 0.63 | 2:36PM 0.62 | 3:24AM 0.51 | 3:13PM 0.53 | 3:58AM 0.40 | 3:48PM 0.46 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 6:33 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:10 | - | - | - | - | - | - | - | 6:10 | - | - | - | - | - | - | - | 6:12 | - | - | - |
 |  | |  | | | | | | | |  |  |  | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 28 | 30 | 28 | 27 | 26 | 25 | 24 | 24 | 27 | 30 | 27 | 26 | 25 | 24 | 24 | 24 | 27 | 29 | 27 | 26 | 26 | 24 |
| Feels °C (?) | 27 | 27 | 30 | 32 | 31 | 31 | 30 | 28 | 27 | 27 | 30 | 32 | 30 | 30 | 28 | 27 | 27 | 27 | 30 | 30 | 30 | 30 | 30 | 27 |
- Map Icons:
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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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