Surf spot
Forecast conditions and map view for Volcanos 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) | 0.9 | 0.9 | 1 | 1 | 1 | 1.1 | 1.5 | 1.6 | 1.7 | 1.7 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.7 | 1.7 | 1.6 | 1.6 | 1.5 | 1.4 | 1.4 | 1.3 | 1.3 | 1.2 | 1.1 | 1.1 | 1.1 | 1.1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.8 | 1.8 | 1.7 | 1.4 | 1.7 | 1.7 | 1.7 | 1.8 | 1.8 | 1.8 | 1.5 | 1.5 | 1.6 | 1.7 | 1.8 | 1.8 | 1.8 | 1.7 | 1.5 | 1.5 | 1.4 | 1.4 |
| 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 | 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 | S | S | S |
| Wave period (s) | 10.9 | 11.2 | 10.9 | 10.6 | 11.8 | 15.5 | 13.5 | 13.5 | 13.4 | 13.3 | 13.2 | 12.9 | 12.7 | 12.4 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.6 | 11.4 | 11.3 | 11.2 | 11.1 | 11.2 | 9.4 | 5.8 | 6 | 6.2 | 7.2 | 6 | 5.8 | 6.3 | 6.7 | 7.4 | 7.5 | 7.8 | 7.5 | 6.8 | 6.8 | 6.8 | 7.3 | 7.3 | 7.4 | 8.2 | 7.5 | 7.1 | 6.8 | 6.9 | 7.1 | 7.2 | 7.3 | 7.7 | 7 | 6.8 | 6.3 |
| Wave energy (kJ) | 192 | 220 | 249 | 214 | 267 | 624 | 842 | 933 | 1021 | 1063 | 1096 | 1102 | 1069 | 1027 | 959 | 887 | 819 | 749 | 666 | 600 | 539 | 482 | 433 | 391 | 346 | 230 | 80 | 94 | 100 | 138 | 125 | 134 | 176 | 221 | 339 | 348 | 340 | 233 | 259 | 251 | 261 | 350 | 358 | 347 | 283 | 263 | 245 | 265 | 302 | 327 | 339 | 318 | 253 | 221 | 189 | 158 |
| Wind speed (km/h) | 7.2 | 8.3 | 7.8 | 8.6 | 16.7 | 12.4 | 11.1 | 9.5 | 7.6 | 7 | 6.5 | 8.7 | 13.9 | 12 | 11 | 10.5 | 8.7 | 9.7 | 9.1 | 17.1 | 21.2 | 20.9 | 15.6 | 10.9 | 9.4 | 9 | 8 | 13.7 | 22.8 | 20.7 | 15 | 12.9 | 11.2 | 11.9 | 10.1 | 18.6 | 22.8 | 22.6 | 15 | 10.8 | 10.5 | 9.5 | 8.3 | 10.5 | 20.9 | 16.9 | 15 | 10.4 | 9.8 | 10.7 | 8.5 | 12.4 | 18.6 | 16.3 | 12.7 | 10.4 |
| Wind direction | ENECross-off | EOffshore | ENECross-off | SSECross-off | SSECross-off | SSECross-off | ESEOffshore | EOffshore | EOffshore | ENECross-off | EOffshore | SECross-off | SSECross-off | SEOffshore | SEOffshore | EOffshore | EOffshore | EOffshore | ECross-off | SEOffshore | SSECross-off | SSECross-off | SEOffshore | EOffshore | EOffshore | EOffshore | ECross-off | SSECross-off | SSECross-off | SSECross-off | ESEOffshore | ESEOffshore | ESEOffshore | ESEOffshore | EOffshore | SEOffshore | SSECross-off | SSECross-off | ESEOffshore | EOffshore | EOffshore | ECross-off | ENECross-off | SSECross-off | SCross-off | SSECross-off | SEOffshore | ESEOffshore | ESEOffshore | ESEOffshore | ESEOffshore | SSECross-off | SSECross-off | SSECross-off | ESEOffshore | ESEOffshore |