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Surf Forecasts:
Thunders surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 pm Thursday 11 Dec 2025 WIBForecast update in hr min s Forecast update imminent
Thunders surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thunders sea temperature is
29.5° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Thunders today?
The current surf forecast for Thunders at 12AM is: 0.9m 13s primary swell from a Southwest direction and 0.7m 7s secondary swell from a West-northwest direction (forecast issued at 06:00pm December 11). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 3ft (0.9m) | 13s |
| Afternoon (12 Dec) | 2.5ft (0.7m) | 15s |
| Evening (12 Dec) | 2.5ft (0.7m) | 14s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 6 | 7 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 412 | 290 | 282 | 326 | 273 | 235 | 265 | 246 | 225 | 218 | 215 | 215 | 210 | 187 | 198 | 195 | 192 | 192 | 299 | 278 | 169 | 169 | 180 | 144 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross | cross- off | off | cross- off |
High Tide / height (m) | 10:53PM 0.76 | 12:16PM 0.66 | 11:49PM 0.66 | 1:22PM 0.71 | 12:55AM 0.58 | |||||||||||||||||||
Low Tide / height (m) | 4:25PM 0.32 | 5:35AM 0.19 | 5:48PM 0.38 | 6:20AM 0.22 | 7:34PM 0.40 | 7:06AM 0.23 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - |
| Sunset | 6:21 | - | - | - | - | - | - | - | 6:21 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - |
 |  |  | |  |  |  | | | | | | | | | | |  | | | | |  | | |
Rain (mm) | - | - | - | - | 1 | 6 | 6 | 2 | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 10 | 6 | 5 | 11 | 9 | 1 | 1 |
| Temp. °C | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 27 | 26 | 26 | 26 | 27 | 27 | 26 | 24 | 24 | 24 | 24 | 24 | 25 | 25 |
| Feels °C (?) | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 29 | 28 | 30 | 28 | 28 | 29 | 30 | 30 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 26 |
- 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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