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Surf Forecasts:
Bankvaults surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 am Wednesday 03 Sep 2025 WIB
How big are the waves at Bankvaults today?
The current surf forecast for Bankvaults at 9AM is: 1.1m 14s primary swell from a Southwest direction and 0.9m 9s secondary swell from a South-southeast direction (forecast issued at 06:00am September 03). The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Sep) | 3.5ft (1.1m) | 14s |
| Afternoon (03 Sep) | 3.5ft (1.1m) | 13s |
| Evening (03 Sep) | 3ft (0.9m) | 13s |
Table - waves today at Bankvaults. (Swell directed towards the surf break)
Wednesday 03 | Thursday 04 | Friday 05 | Sat 06 | |||||||||||||||||||||
| 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 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 19 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 724 | 591 | 555 | 552 | 543 | 470 | 417 | 376 | 357 | 319 | 283 | 432 | 415 | 439 | 704 | 873 | 929 | 966 | 1067 | 1078 | 1049 | 1084 | 1311 | 1357 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | cross- off | cross- off | cross- off | cross- off | glass | glass | cross- off | off | off | glass | glass | glass | cross- off | off | off | off | off | off | cross- off | cross- off | off | off |
High Tide / height (m) | 2:38AM 0.84 | 3:47PM 0.50 | 3:47AM 0.91 | 4:40PM 0.60 | 4:36AM 1.01 | 5:17PM 0.71 | ||||||||||||||||||
Low Tide / height (m) | 10:21AM 0.38 | 7:49PM 0.37 | 10:48AM 0.29 | 9:21PM 0.33 | 11:13AM 0.21 | 10:25PM 0.26 | ||||||||||||||||||
Wednesday 03 | Thursday 04 | Friday 05 | Sat 06 | |||||||||||||||||||||
| Sunrise | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:23 | - | - | - | - | - | - | - | 6:23 | - | - | - | - | - | - | - | 6:23 | - | - | - |
 |  |  | | | |  | | |  | | | | | | | | | | |  |  | |  | |
Rain (mm) | - | - | - | - | - | - | 4 | 3 | 2 | 2 | 1 | - | 1 | 2 | 4 | 1 | 4 | 1 | 3 | 5 | 10 | 12 | 12 | 10 |
| Temp. °C | 27 | 28 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 26 | 27 | 26 | 25 | 25 | 26 | 26 | 25 | 23 | 23 | 23 |
| Feels °C (?) | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 31 | 30 | 29 | 29 | 31 | 31 | 31 | 30 | 28 | 28 | 28 | 29 | 29 | 26 | 22 | 23 | 25 |
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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 Mentawi Islands
Continuing clean conditions at Bankvaults (light winds from the NNE.(Wind varies from 340 to 040 degs) at Minangkabau Airport 166 km from Bankvaults). 0.8m 14s groundswell from the SW with a 0.7m 9s swell from the SSE and a 0.3m 8s swell from the W. 3 swells combining to make bigger set waves.
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