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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am 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
19.1° C
(Which is normal for this time of year)How big are the waves at Osaki today?
The current surf forecast for Osaki at 9AM is: 3.0m 9s primary swell from a South-southwest direction and 0.3m 10s secondary swell from a East-southeast direction (forecast issued at 02:00am May 04). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 10ft (3.0m) | 9s |
| Afternoon (04 May) | 7ft (2.2m) | 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 6mm), mostly falling on Wed night. Warm (max 22°C on Mon morning, min 15°C on Mon night). Winds decreasing (near gales from the SW on Mon afternoon, light winds from the SSE by Wed night). | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 6 | S 7 | SSW 8 | SSW 9 | SSW 8 | SSW 8 | SSW 7 | SW 9 | SSW 8 | SSW 9 | SW 9 | SW 9 | SSW 8 | S 7 | S 3 | S 7 | S 6 | S 6 | SE 11 | SSE 6 | SSE 6 | S 6 | S 4 | SE 6 | |
314 | 625 | 1240 | 1155 | 907 | 650 | 603 | 910 | 234 | 131 | 40 | 19 | 20 | 23 | 5 | 4 | 4 | 4 | 19 | 28 | 28 | 16 | 12 | 9 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | cross-on | cross-off | off | off | off | off | on | on | cross-on | on | on | cross-on | on | on | on | on | cross-on | cross-on | |
High Tide | 5:12AM1.40m | 7:22PM1.35m | 5:42AM1.40m | 8:10PM1.31m | 6:13AM1.38m | |||||||||||||||||||
Low Tide | 11:51PM0.79m | 12:16PM-0.07m | 00:25AM0.86m | 12:56PM-0.07m | 1:01AM0.92m | 1:38PM-0.02m | ||||||||||||||||||
 | |  | |  |  |  |  |  | | | | | | | | |  | | | | | | | |
 | — | 4:48 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:46 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — |
1 | 4 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 19 | 19 | 21 | 20 | 22 | 22 | 20 | 19 | 16 | 15 | 15 | 16 | 17 | 17 | 16 | 16 | 17 | 16 | 16 | 17 | 18 | 18 | 18 | 17 |
12 | 10 | 13 | 14 | 14 | 11 | 9 | 17 | 7 | 6 | 8 | 12 | 13 | 11 | 10 | 10 | 13 | 13 | 14 | 15 | 15 | 14 | 15 | 17 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | SE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 8 | SSW 8 | SSW 9 | S 7 | S 7 | SSW 8 | SSW 8 | SSE 7 | S 7 | S 6 | SSE 4 | SSE 6 | SSE 6 | SSE 6 | SE 9 | SE 9 | SE 6 |
 kJ | 35 | 23 | 17 | 18 | 20 | 20 | 21 | 277 | 234 | 131 | 27 | 16 | 20 | 6 | 5 | 4 | 3 | 3 | 10 | 11 | 13 | 3 | 3 | 8 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 7 | SE 11 | SE 11 | SW 9 | SW 9 | ENE 3 | SE 10 | SW 8 | SE 10 | SE 10 | S 6 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | — | — | — | — | — | — | — | 114 | 29 | 5 | 40 | 19 | 1 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 4 | 5 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SE 11 | SE 11 | SE 11 | — | S 7 | SW 8 | SW 8 | SE 11 | SE 11 | SE 11 | SE 11 | SW 6 | SE 11 | SE 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 4 | — | 4 | 2 | 2 | 4 | 19 | 5 | 19 | 2 | 5 | 3 |
Wind waves Height (m) Direction Period (s) | S 6 | S 7 | SSW 8 | SSW 9 | SSW 8 | SSW 8 | SSW 7 | SW 9 | — | — | NNE 3 | NNE 3 | E 3 | S 7 | S 3 | S 3 | S 3 | — | — | SSE 6 | SSE 6 | S 6 | S 4 | S 4 |
| kJ | 314 | 625 | 1240 | 1155 | 907 | 650 | 603 | 910 | — | — | 5 | 4 | 2 | 23 | 5 | 3 | 3 | — | — | 28 | 28 | 16 | 12 | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 755 | 491 | 487 | 470 | 470 | 509 | 487 | 0 | 28 | 28 | 8 | 37 | 15 | 64 | 76 | 76 | 76 | 76 | 17 | 76 | 76 | 76 | 76 | 77 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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