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) | 1.9 | 1.9 | 1.8 | 1.8 | 1.7 | 1.4 | 1.7 | 1.7 | 1.8 | 1.8 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.8 | 1.8 | 1.8 | 1.7 | 1.7 | 1.7 | 1.6 | 1.5 | 1.5 | 1.4 | 1.4 | 1.3 | 1.3 | 1.2 | 1.1 | 1.1 | 1.1 | 1.4 | 1.4 | 1.4 | 1.5 | 1.7 | 1.5 | 1.4 | 1.5 | 1.5 | 1.5 | 1.4 | 1.4 | 1.2 | 1 | 1.4 | 1.4 | 1.5 | 1.5 | 1.6 | 1.6 | 1.6 | 1.5 |
| Wave direction | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SSW | S | S | SSW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Wave period (s) | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 9.7 | 11.8 | 12.1 | 12.2 | 11.8 | 11.8 | 11.6 | 11.4 | 11.3 | 11 | 10.8 | 10.6 | 10.6 | 10.4 | 10.3 | 10.2 | 10 | 9.8 | 9.6 | 9.4 | 9.3 | 9.2 | 9.1 | 8.6 | 8.3 | 8.3 | 7.8 | 7.5 | 9.2 | 10.5 | 10.8 | 11.3 | 10.6 | 9.6 | 10.3 | 10.4 | 9.3 | 9 | 8.8 | 8.8 | 8.7 | 9.7 | 10.3 | 8.4 | 8.3 | 8.3 | 8.2 | 8 | 7.8 | 7.7 | 7.8 |
| Wave energy (kJ) | 961 | 895 | 846 | 802 | 780 | 390 | 812 | 887 | 922 | 943 | 976 | 972 | 967 | 941 | 892 | 852 | 811 | 754 | 717 | 672 | 624 | 578 | 529 | 460 | 424 | 379 | 351 | 325 | 255 | 223 | 196 | 160 | 134 | 188 | 420 | 453 | 472 | 501 | 508 | 452 | 424 | 404 | 374 | 334 | 318 | 302 | 262 | 219 | 272 | 270 | 290 | 311 | 308 | 300 | 289 | 270 |
| Wind speed (km/h) | 8.8 | 7.1 | 8.1 | 4.5 | 4.7 | 3.6 | 5.9 | 7.1 | 7.9 | 8.7 | 6.6 | 8.6 | 8 | 5.9 | 4.7 | 7.8 | 6.4 | 6.6 | 6 | 8.1 | 7.9 | 3.4 | 6.1 | 6.8 | 5.8 | 5.9 | 4 | 4.7 | 6.5 | 4.7 | 3.7 | 4.1 | 4.7 | 7.1 | 6 | 4.1 | 8.3 | 6.9 | 4.7 | 4 | 4.7 | 5.5 | 5.2 | 5.4 | 4.4 | 7.7 | 6.5 | 8 | 8.5 | 7.7 | 6.4 | 6.7 | 7.7 | 5.4 | 4.6 | 5.5 |
| Wind direction | NEOffshore | NECross-off | NNEOffshore | WSWGlassy | WSWGlassy | EGlassy | NOffshore | NNEOffshore | NECross-off | NECross-off | NECross-off | SSWOnshore | SWOnshore | SWCross-on | NNWGlassy | NNEOffshore | NECross-off | NECross-off | NNEOffshore | SWCross-on | WSWCross-on | SSWGlassy | NWCross-off | NOffshore | NOffshore | NNWOffshore | NGlassy | WSWGlassy | SWCross-on | SGlassy | EGlassy | NNEGlassy | NGlassy | NNEOffshore | NNEOffshore | WSWGlassy | WCross | WCross | NNWGlassy | NGlassy | NGlassy | NNEOffshore | NEOffshore | SWCross-on | SGlassy | SOnshore | ENECross-off | NNEOffshore | NNEOffshore | NNEOffshore | NECross-off | SWOnshore | SWCross-on | SWCross-on | NEGlassy | NNEOffshore |