Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Thailand surfForecast / Simeulue Island / Indonesia
48hr Weather and Surf, issued 12 am Saturday 13 Dec 2025 WIBForecast update in hr min s Forecast update imminent
Thailand surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thailand sea temperature is
29.1° C
(Which is normal for this time of year)How big are the waves at Thailand today?
The current surf forecast for Thailand at 4AM is: 0.8m 12s primary swell from a Southwest direction and 0.6m 6s secondary swell from a Southwest direction, 0.6m 6s secondary swell from a Southwest direction (forecast issued at 12:00am December 13). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 2ft (0.6m) | 14s |
| Afternoon (13 Dec) | 2ft (0.6m) | 14s |
| Evening (13 Dec) | 2ft (0.6m) | 13s |
Table - waves today at Thailand. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 9 | 12 | 9 | 9 | 8 | 12 | 12 | 11 | 11 | 11 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 175 | 172 | 169 | 144 | 153 | 163 | 158 | 143 | 139 | 137 | 137 | 133 | 129 | 87 | 87 | 173 | 152 | 142 | 121 | 104 | 117 | 121 | 121 | 103 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- off | off | off | cross | cross | cross- off | glass | cross | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- off | cross- off | glass | glass |
High Tide / height (m) | 12:04AM 0.48 | 1:51PM 0.47 | 1:13AM 0.42 | 2:53PM 0.52 | 2:26AM 0.38 | 3:41PM 0.56 | ||||||||||||||||||
Low Tide / height (m) | 7:03AM 0.17 | 8:04PM 0.30 | 7:52AM 0.17 | 9:37PM 0.26 | 8:36AM 0.15 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:29 | - |
 |  | |  | | |  |  | | | | |  | | | | | | | | | | |  | |
Rain (mm) | 4 | 10 | 10 | 2 | 3 | 2 | - | 1 | 4 | 2 | 2 | 1 | - | - | - | 2 | 3 | 4 | 2 | 1 | - | - | - | - |
| Temp. °C | 25 | 23 | 23 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 |
| Feels °C (?) | 27 | 25 | 25 | 28 | 28 | 26 | 29 | 30 | 29 | 29 | 27 | 29 | 30 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 30 | 31 | 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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