Surf spot
Forecast conditions and map view for Supertubes (J-Bay) in South Africa, South J Bay. Open the interactive surf map to inspect wind, waves, and nearby spots.
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| 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 | 18:00 | 21:00 | ||
| Wave height (m) | 1.6 | 1.8 | 1.9 | 2.1 | 2.2 | 2.1 | 2.1 | 2.1 | 2 | 1.9 | 1.7 | 1.6 | 1.5 | 1.4 | 1.4 | 1.3 | 1.2 | 1.2 | 1 | 1 | 0.9 | 1 | 1 | 1.1 | 1 | 1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | 1 | 0.9 | 0.9 | 0.9 | 0.9 | 1 | 1 | 1.1 | 1.1 | 1.1 | 1.2 | 1.1 | 1.1 | 1 | 1.1 | 1.1 | 1.1 | 1.4 | 1.7 | 1.5 | 1.6 | 1.5 | 1.3 | 1.1 | |
| Wave direction | SSW | SSW | SSW | SSW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SSW | S | SSE | SSE | SSE | SSE | SSE | SSE | SE | SE | SSE | SSE | SSE | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | SSW | S | S | SSW | SSW | |
| Wave period (s) | 9.1 | 8.4 | 8.7 | 8.8 | 8.9 | 8.9 | 8.7 | 8.6 | 8.7 | 8.4 | 9.4 | 9.3 | 9.2 | 9.3 | 9.1 | 8.9 | 9.2 | 8.9 | 9.3 | 9.3 | 9.2 | 8.8 | 8.3 | 7.7 | 7.5 | 7.5 | 7.2 | 7.1 | 7 | 7 | 6.7 | 6.6 | 6.3 | 6 | 7.3 | 7.3 | 7.3 | 9.4 | 9.3 | 9.7 | 9.8 | 9.8 | 9.8 | 9.6 | 9.1 | 10.6 | 10.3 | 10.3 | 9.2 | 8.7 | 7.3 | 7.7 | 7.5 | 6.8 | 8.7 | 9.1 | |
| Wave energy (kJ) | 419 | 447 | 552 | 678 | 739 | 726 | 668 | 640 | 587 | 526 | 487 | 432 | 391 | 359 | 315 | 288 | 257 | 236 | 187 | 159 | 142 | 141 | 142 | 143 | 123 | 123 | 130 | 131 | 129 | 126 | 109 | 98 | 84 | 62 | 90 | 86 | 91 | 163 | 189 | 209 | 232 | 250 | 261 | 240 | 191 | 223 | 250 | 236 | 205 | 302 | 290 | 281 | 307 | 200 | 248 | 215 | |
| Wind speed (km/h) | 25.2 | 13.8 | 9.8 | 5.5 | 14.4 | 14.6 | 12.9 | 10.1 | 7 | 8 | 8.5 | 9.4 | 7 | 4 | 11.5 | 16.2 | 13.6 | 14 | 14 | 17.6 | 24.7 | 24.3 | 14.4 | 13.3 | 7.7 | 6.5 | 6.6 | 5.4 | 18.5 | 19.5 | 11.6 | 8.2 | 6 | 5.2 | 6.5 | 9.2 | 13.4 | 12.1 | 8.7 | 2.2 | 9.2 | 8.7 | 11.2 | 28.8 | 22.7 | 11.9 | 18.9 | 17.1 | 11.5 | 9.7 | 6.9 | 13.3 | 23 | 16.3 | 12.6 | 10.5 | |
| Wind direction | WCross | WNWCross | WNWCross | ESECross-off | ECross | ENECross-on | ENECross-on | NECross-on | NEOnshore | NOnshore | NNWOnshore | NOnshore | NEOnshore | EGlassy | WCross | WNWCross | WNWCross-on | WNWCross-on | NWCross-on | WCross | WSWCross-off | WSWCross-off | WNWCross | NWCross-on | NWCross-on | NOnshore | NNWOnshore | NECross-on | ECross | ECross | ENECross-on | NECross-on | NNEOnshore | NNEOnshore | NOnshore | NECross-on | SECross-off | SECross-off | NOnshore | NGlassy | NWCross-on | WNWCross-on | WCross | WSWCross-off | WSWCross-off | SOffshore | SSEOffshore | SECross-off | SECross-off | ECross | NNEOnshore | ECross | ESECross | ECross | ENECross-on | ENECross-on | |