Surf spot
Forecast conditions and map view for Backdoor in Brazil, Rio de Janeiro Norte. Open the interactive surf map to inspect wind, waves, and nearby spots.
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| 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 | 00:00 | |
| Wave height (m) | 0.9 | 1 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 1.1 | 1 | 1.2 | 1.2 | 1.2 | 1.2 | 1.1 | 0.9 | 1 | 0.9 | 1.1 | 1.1 | 1.1 | 1.1 | 1 | 1 | 1.2 | 1.1 | 1.1 | 1 | 1 | 1 | 0.9 | 0.9 | 1 | 1 | 1 | 1 | 1 | 0.9 | 0.9 | 0.8 | 0.8 | 0.7 | 0.6 | 0.8 | 0.8 | 0.7 | 0.7 | 0.6 | 0.6 | 0.7 | 0.8 | 0.9 | 1 | 1 | 1.1 | 1.1 | 1 |
| Wave direction | E | E | E | E | E | E | E | ESE | ESE | ESE | E | E | E | E | ESE | ESE | ESE | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S |
| Wave period (s) | 5 | 4.9 | 5 | 5 | 4.8 | 4.8 | 5.2 | 5.5 | 5.5 | 5.6 | 5.5 | 5.5 | 5.6 | 5.7 | 6 | 5.5 | 5.6 | 5.3 | 5.3 | 5.3 | 5.3 | 5.6 | 5.4 | 5.3 | 5.3 | 5.4 | 5.5 | 5.7 | 5.7 | 6.1 | 5.7 | 5.5 | 5.3 | 5.5 | 5.8 | 5.9 | 5.8 | 5.8 | 5.6 | 5.5 | 4.7 | 4 | 5.5 | 5.8 | 6 | 6.2 | 6.2 | 8.2 | 8.2 | 8.1 | 8.1 | 8 | 8 | 7.9 | 7.8 | 7.8 |
| Wave energy (kJ) | 42 | 44 | 43 | 40 | 36 | 36 | 43 | 68 | 67 | 87 | 86 | 89 | 84 | 77 | 63 | 64 | 53 | 63 | 68 | 72 | 64 | 60 | 63 | 74 | 73 | 71 | 67 | 66 | 62 | 58 | 54 | 56 | 62 | 64 | 69 | 67 | 59 | 50 | 44 | 39 | 21 | 11 | 39 | 41 | 38 | 33 | 26 | 48 | 69 | 88 | 110 | 123 | 137 | 151 | 160 | 127 |
| Wind speed (km/h) | 16.9 | 14.6 | 11.4 | 12.8 | 7.6 | 3.7 | 7 | 20.2 | 18.6 | 14.5 | 13 | 14.7 | 11.5 | 11.5 | 17.1 | 17.6 | 18.5 | 12.7 | 10.5 | 12.2 | 8 | 8.5 | 6.7 | 15.3 | 15.3 | 11.3 | 11.5 | 11.3 | 5.4 | 13.7 | 8.1 | 15.4 | 13.7 | 11.8 | 10.7 | 11.9 | 8.4 | 1.8 | 7.2 | 9.2 | 14.5 | 18.9 | 19.5 | 19.1 | 15.9 | 12.2 | 10.4 | 7.4 | 1.6 | 10 | 4.6 | 8.1 | 10 | 18.4 | 12.6 | 10.2 |
| Wind direction | NECross-off | NNECross-off | NNECross-off | NNECross-off | NNECross-off | SSEGlassy | NNECross-off | NECross-off | NECross-off | NNECross-off | NNECross-off | NECross-off | NECross-off | ECross-on | ENECross | NECross-off | NECross-off | NNECross-off | NNECross-off | NNECross-off | NECross-off | SSEOnshore | NECross | NECross-off | NNECross-off | NNECross-off | NNECross-off | NNECross-off | NECross-off | ESECross-on | ENECross | NNECross-off | NNECross-off | NNECross-off | NNECross-off | NNECross-off | NOffshore | SGlassy | NECross | NNECross-off | WCross-off | WSWCross | WCross-off | WCross-off | SWCross-on | SOnshore | SSWCross-on | SSWCross-on | NNWGlassy | NECross-off | NEGlassy | NECross-off | ESECross-on | ECross-on | ECross-on | ECross |