Surf spot
Forecast conditions and map view for Sakawa Rivermouth in Japan, Kanagawa Chiba. Open the interactive surf map to inspect wind, waves, and nearby spots.
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| 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 | 03:00 | 06:00 | 09:00 | 12:00 | |
| Wave height (m) | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.7 | 0.6 | 0.6 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.6 | 0.5 | 0.5 | 0.4 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 |
| Wave direction | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SE | SE | SE | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SSE | SE | SSE | SSE | SSE | SSE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | S |
| Wave period (s) | 5.2 | 5 | 4.8 | 5.1 | 5.3 | 5.3 | 5.5 | 4.8 | 4.7 | 4.7 | 4.6 | 4.8 | 4.8 | 4.8 | 4.6 | 4.3 | 5.5 | 3.8 | 4.3 | 4.8 | 5.3 | 5.8 | 6.6 | 7 | 7 | 6.8 | 6.7 | 6.6 | 6.4 | 6.3 | 6.2 | 6.3 | 5.7 | 5.3 | 5.1 | 6 | 5.8 | 6.7 | 6 | 5.5 | 4 | 4 | 4 | 4.2 | 4.3 | 4.7 | 4.8 | 5 | 5 | 5.1 | 5 | 5 | 5.6 | 6.5 | 7.4 | 7.8 |
| Wave energy (kJ) | 9 | 8 | 7 | 8 | 10 | 10 | 10 | 8 | 8 | 7 | 6 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 10 | 18 | 29 | 37 | 56 | 63 | 57 | 40 | 35 | 27 | 19 | 17 | 13 | 11 | 8 | 7 | 5 | 5 | 5 | 6 | 6 | 4 | 3 | 4 | 4 | 5 | 7 | 8 | 12 | 16 | 14 | 11 | 7 | 5 | 4 | 4 | 4 | 7 |
| Wind speed (km/h) | 7.1 | 7.8 | 6.6 | 5.9 | 13.8 | 18.4 | 11.8 | 9.7 | 7.6 | 6.3 | 3.4 | 6.2 | 10.8 | 15.2 | 13 | 9.6 | 6.3 | 9.2 | 4.3 | 15.2 | 18.1 | 21.7 | 14.4 | 11.5 | 9.9 | 7.6 | 3.3 | 7.9 | 12 | 14.7 | 14.7 | 4.3 | 6.6 | 5.4 | 3.6 | 10.7 | 17.2 | 16.2 | 15.8 | 8.6 | 2.9 | 4.8 | 3.3 | 5.2 | 4.3 | 6.5 | 12.8 | 14.1 | 10.7 | 5.9 | 3.7 | 3.8 | 9 | 7.2 | 7 | 2.5 |
| Wind direction | NWCross-off | NNWCross-off | NWCross-off | SECross-on | SSECross-on | SCross | WSWCross-off | WOffshore | WNWOffshore | WNWOffshore | NNWGlassy | SECross-on | SSECross-on | SCross | SCross | SSWCross | SSECross | SSECross-on | NGlassy | NNECross-on | NNECross-on | NNECross-on | NCross | NCross | NCross | NNWCross-off | NWGlassy | ESEOnshore | SSECross-on | SSECross-on | SCross | WGlassy | WNWOffshore | WNWOffshore | NGlassy | SSECross-on | SSECross-on | SCross | SCross | SSWCross-off | WGlassy | NNWGlassy | NWGlassy | NWCross-off | NGlassy | NNWCross-off | NNWCross-off | NNWCross | NNWCross | NNWCross | NNWGlassy | ESEGlassy | SECross-on | SWCross-off | SECross-on | NWGlassy |