Surf spot
Forecast conditions and map view for Banana Island in Indonesia, Sumatra Mainland. Open the interactive surf map to inspect wind, waves, and nearby spots.
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| 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | |
| Wave height (m) | 1.2 | 0.9 | 1.2 | 1.1 | 1.1 | 1.2 | 1.7 | 1.8 | 1.9 | 1.9 | 2 | 2 | 2.1 | 2.1 | 2 | 2 | 1.9 | 1.9 | 1.8 | 1.7 | 1.7 | 1.6 | 1.5 | 1.4 | 1.4 | 1.3 | 1.4 | 1.4 | 1.3 | 1.5 | 1.7 | 1.6 | 1.9 | 2 | 2 | 2 | 1.9 | 1.7 | 1.9 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 1.9 | 1.8 | 1.8 | 1.9 | 2.1 | 2.2 | 2.2 | 2.1 | 1.8 | 1.7 | 1.7 | 1.7 |
| Wave direction | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSE | SSE | S | S | S | SSE | S | S | SSE | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SSE | SSE | SSE | S | S | S | SSE |
| Wave period (s) | 11.3 | 11.8 | 10.9 | 10.6 | 15.8 | 15.7 | 13.4 | 13.5 | 13.4 | 13.3 | 13.2 | 12.9 | 12.8 | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.6 | 11.4 | 11.3 | 11.3 | 11.2 | 11.1 | 8.5 | 6.8 | 6.2 | 6.5 | 7.5 | 7.3 | 6.5 | 7.3 | 7.5 | 7.3 | 7.5 | 8.3 | 8.3 | 8.1 | 7.6 | 7.5 | 7.5 | 7.5 | 7.7 | 8.1 | 7.8 | 7.7 | 7.3 | 7.2 | 7.3 | 7.3 | 7.5 | 8.2 | 7.8 | 7.3 | 6.8 |
| Wave energy (kJ) | 341 | 216 | 323 | 272 | 586 | 710 | 1021 | 1129 | 1252 | 1342 | 1383 | 1396 | 1380 | 1326 | 1235 | 1125 | 1053 | 963 | 879 | 808 | 716 | 638 | 570 | 506 | 452 | 252 | 174 | 144 | 149 | 270 | 297 | 216 | 388 | 459 | 441 | 459 | 487 | 417 | 488 | 500 | 487 | 506 | 515 | 526 | 464 | 417 | 371 | 396 | 457 | 507 | 535 | 522 | 421 | 364 | 298 | 280 |
| Wind speed (km/h) | 7.3 | 6.4 | 5.6 | 7.2 | 8.2 | 6 | 6 | 5.8 | 5.9 | 6.1 | 3.8 | 5.9 | 7.4 | 6.4 | 7.1 | 8.3 | 8.5 | 9.4 | 9 | 12.1 | 18.8 | 12.4 | 7.4 | 8.6 | 8 | 7.2 | 6.8 | 9.8 | 11.9 | 13.2 | 11.1 | 9.8 | 9.1 | 8.6 | 9.3 | 12.9 | 17.3 | 14.2 | 12.6 | 10.1 | 9.3 | 8.2 | 8.9 | 9 | 12.2 | 11.4 | 8.7 | 6.5 | 6.3 | 5.6 | 6 | 8.5 | 10.4 | 9.6 | 7.2 | 4.5 |
| Wind direction | NNEOffshore | NECross-off | NECross-off | SWCross-on | SSWOnshore | SSEOnshore | ESECross-on | ENECross-off | NECross-off | NECross-off | NEGlassy | SOnshore | SSWOnshore | SSEOnshore | ESECross-on | ECross | ENECross-off | ENECross-off | ENECross-off | SSEOnshore | SOnshore | SOnshore | ESECross-on | ECross | ECross | ECross | ECross | SOnshore | SOnshore | SSECross-on | SECross-on | ESECross-on | ESECross | ECross | ENECross-off | SSECross-on | SOnshore | SOnshore | SECross-on | ECross | ENECross-off | ENECross-off | ENECross-off | SSWOnshore | SSWOnshore | SOnshore | SECross-on | ECross | ENECross-off | ENECross-off | ENECross-off | SSWOnshore | SOnshore | SSEOnshore | SECross-on | ENEGlassy |