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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 pm Monday 04 May 2026 JSTForecast update in hr min s Forecast update imminent
Osaki surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Osaki sea temperature is
19.5° C
(Which is normal for this time of year)How big are the waves at Osaki today?
The current surf forecast for Osaki at 8PM is: 2.3m 7s primary swell from a South-southwest direction and 1.5m 8s secondary swell from a South direction, 1.1m 7s secondary swell from a Southwest direction (forecast issued at 02:00pm May 04). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | - | - |
| Afternoon (04 May) | 8ft (2.5m) | 8s |
| Evening (04 May) | 8ft (2.5m) | 9s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Warm (max 22°C on Mon afternoon, min 15°C on Mon night). Winds decreasing (near gales from the SW on Mon afternoon, calm by Wed night). | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 9 | SSW 8 | SSW 7 | SW 9 | SSW 8 | SSW 9 | SSW 8 | SW 9 | SW 8 | S 7 | SE 10 | SSE 7 | S 4 | SSE 5 | SSE 5 | S 6 | SE 9 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | |
949 | 844 | 516 | 928 | 227 | 126 | 73 | 19 | 11 | 23 | 25 | 9 | 6 | 20 | 29 | 16 | 22 | 25 | 43 | 42 | 34 | 25 | 23 | 31 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | off | off | off | glassy | cross-on | on | on | on | on | cross-on | on | on | on | cross-on | cross-on | on | cross-on | glassy | off | off | |
High Tide | 7:22PM1.35m | 5:42AM1.40m | 8:10PM1.31m | 6:13AM1.38m | 9:02PM1.26m | 6:48AM1.34m | ||||||||||||||||||
Low Tide | 12:16PM-0.07m | 00:25AM0.86m | 12:56PM-0.07m | 1:01AM0.92m | 1:38PM-0.02m | 1:42AM0.97m | ||||||||||||||||||
 | | |  | |  |  |  | | | |  | | | | | | | |  | | |  | | |
 | — | — | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:46 | — | — | — | — | — | — | — | 4:45 | — | — |
 | — | — | 6:29 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | 6:30 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | |
Temp °C | 22 | 22 | 21 | 19 | 16 | 15 | 15 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 |
15 | 12 | 10 | 16 | 7 | 6 | 8 | 13 | 12 | 11 | 9 | 10 | 11 | 13 | 14 | 15 | 16 | 16 | 15 | 16 | 16 | 19 | 17 | 15 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | SE 10 | S 8 | SSW 8 | SSW 9 | SSW 8 | S 7 | S 7 | SSW 8 | SE 10 | SE 10 | SSE 7 | SSE 4 | SSE 6 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SSE 6 | SSE 6 | SSE 6 | SSE 7 |
 kJ | 20 | 21 | 27 | 309 | 227 | 126 | 73 | 17 | 9 | 6 | 4 | 4 | 4 | 5 | 11 | 4 | 4 | 4 | 4 | 4 | 34 | 25 | 23 | 31 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SW 7 | SE 11 | SE 11 | SE 11 | SW 9 | SW 8 | SE 10 | SW 8 | SW 8 | SE 10 | SSE 7 | SE 11 | SE 11 | SE 9 | SE 11 | SE 9 | E 9 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | — | — | — | 99 | 29 | 29 | 4 | 19 | 11 | 4 | 3 | 2 | 4 | 9 | 4 | 5 | 22 | 18 | 3 | 1 | 4 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 3 | SE 11 | — | SE 10 | SSE 7 | SW 8 | SE 11 | SE 11 | SW 7 | SE 11 | SW 7 | — | — | E 9 | E 9 | — | — |
| kJ | — | — | — | — | — | — | — | 1 | 4 | — | 25 | 9 | 2 | 4 | 19 | 2 | 5 | 2 | — | — | 1 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | SSW 9 | SSW 8 | SSW 7 | SW 9 | NE 2 | NNE 3 | N 3 | ENE 3 | — | S 7 | S 3 | S 3 | S 4 | SSE 5 | SSE 5 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | — | — | — | — |
| kJ | 949 | 844 | 516 | 928 | 2 | 9 | 6 | 1 | — | 23 | 7 | 8 | 6 | 20 | 29 | 16 | 16 | 25 | 43 | 42 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 470 | 755 | 487 | 15 | 28 | 18 | 1 | 15 | 17 | 64 | 76 | 76 | 76 | 76 | 18 | 146 | 17 | 91 | 91 | 76 | 38 | 15 | 15 | 38 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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