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Surf Forecasts:
Thunders surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 am Sunday 29 Mar 2026 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
29.7° C
(Which is normal for this time of year)How big are the waves at Thunders today?
The current surf forecast for Thunders at 8AM is: 0.9m 13s primary swell from a South-southwest direction and 0.8m 9s secondary swell from a South direction (forecast issued at 12:00am March 29). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Mar) | 3ft (0.9m) | 13s |
| Afternoon (29 Mar) | 2.5ft (0.8m) | 12s |
| Evening (29 Mar) | 2.5ft (0.8m) | 12s |
Table - waves today at Thunders. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 29 | Monday 30 | Tuesday 31 | ||||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 249 | 249 | 246 | 238 | 220 | 213 | 167 | 164 | 164 | 161 | 167 | 183 | 170 | 156 | 150 | 173 | 208 | 206 | 258 | 242 | 223 | 314 | 372 | 309 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | glass | cross- on | on | glass | cross- on | cross- on | glass | glass | glass | cross- off | glass | cross | glass | glass | glass | glass | glass | glass | glass | glass | glass |
High Tide / height (m) | 3:50AM 0.55 | 3:46PM 0.82 | 4:38AM 0.66 | 4:38PM 0.84 | 5:15AM 0.77 | 5:20PM 0.85 | ||||||||||||||||||
Low Tide / height (m) | 10:01PM 0.20 | 9:15AM 0.30 | 10:40PM 0.16 | 10:25AM 0.24 | 11:11PM 0.12 | 11:15AM 0.18 | ||||||||||||||||||
Sunday 29 | Monday 30 | Tuesday 31 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:20 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:25 | - | - | - | - | - | - | - | 6:25 | - | - | - | - | - | - | - | 6:25 | - |
 | | |  |  | |  | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | - | 1 | 3 | 1 | - | 1 | - | - | - | - | 1 | 1 | - | - | - | - | - |
| Temp. °C | 28 | 27 | 27 | 27 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 26 | 27 | 28 | 28 | 28 |
| Feels °C (?) | 31 | 31 | 31 | 31 | 33 | 33 | 32 | 32 | 32 | 31 | 31 | 32 | 31 | 33 | 32 | 32 | 33 | 32 | 31 | 30 | 31 | 32 | 32 | 33 |
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Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Thunders surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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