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Surf Forecasts:
Bankvaults surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 pm Tuesday 19 May 2026 WIBForecast update in hr min s Forecast update imminent
Bankvaults surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bankvaults sea temperature is
30.3° C
(Which is slightly warmer than usual)How big are the waves at Bankvaults today?
The current surf forecast for Bankvaults at 2AM is: 1.0m 16s primary swell from a Southwest direction and 1.3m 12s secondary swell from a South direction (forecast issued at 06:00pm May 19). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 3.5ft (1.0m) | 16s |
| Afternoon (20 May) | 3.5ft (1.1m) | 16s |
| Evening (20 May) | 3.5ft (1.1m) | 15s |
Table - waves today at Bankvaults. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 25mm), heaviest during Wed night. Warm (max 29°C on Tue afternoon, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 13 | S 13 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | |
643 | 546 | 504 | 504 | 517 | 511 | 492 | 553 | 619 | 595 | 572 | 557 | 557 | 696 | 550 | 550 | 557 | 683 | 692 | 674 | 614 | 606 | 685 | 685 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | glassy | glassy | cross-off | cross | glassy | cross | cross | glassy | glassy | glassy | glassy | cross-on | glassy | glassy | glassy | glassy | glassy | off | off | glassy | |
High Tide | 8:14PM0.77m | 8:33AM1.30m | 9:07PM0.74m | 9:25AM1.22m | 10:07PM0.71m | 10:22AM1.11m | ||||||||||||||||||
Low Tide | 2:21PM-0.01m | 1:42AM0.03m | 3:10PM0.04m | 2:30AM0.10m | 4:02PM0.11m | 3:24AM0.19m | ||||||||||||||||||
 |  | | | |  | |  | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — |
 | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | 6:20 |
3 | 2 | 2 | 1 | 1 | — | — | — | — | — | — | 5 | 1 | 2 | — | 1 | 3 | 1 | — | — | — | — | 2 | 1 | |
Temp °C | 29 | 28 | 28 | 28 | 27 | 27 | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 |
34 | 32 | 33 | 33 | 31 | 31 | 33 | 33 | 34 | 34 | 32 | 32 | 32 | 32 | 33 | 32 | 33 | 33 | 33 | 32 | 31 | 31 | 31 | 32 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | S 12 | SW 16 | S 12 | S 12 | S 12 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
 kJ | 643 | 546 | 504 | 477 | 517 | 400 | 336 | 336 | 619 | 595 | 572 | 557 | 557 | 696 | 550 | 550 | 557 | 683 | 692 | 674 | 614 | 606 | 685 | 685 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | S 9 | SW 16 | SW 16 | SW 16 | S 12 | S 11 | S 10 | S 11 | S 9 | S 9 | S 11 | S 11 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | 366 | 498 | 498 | 504 | 139 | 511 | 492 | 553 | 330 | 298 | 262 | 224 | 101 | 101 | 182 | 178 | 146 | 149 | 117 | 113 | 108 | 81 | 78 | 57 |
Swell 3 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | S 12 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | W 7 | S 11 | S 11 | W 7 | W 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | SSE 9 |
| kJ | 22 | 21 | 20 | 12 | 180 | 11 | 11 | 11 | 11 | 11 | 10 | 4 | 87 | 85 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 11 | 11 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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