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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 pm Saturday 09 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
20.6° C
(Which is slightly warmer than usual)How big are the waves at Osaki today?
The current surf forecast for Osaki at 6PM is: 0.5m 6s primary swell from a South direction and 0.3m 11s secondary swell from a Southeast direction, 0.1m 7s secondary swell from a South direction (forecast issued at 02:00pm May 09). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | - | - |
| Afternoon (09 May) | 1ft (0.3m) | 11s |
| Evening (09 May) | 1ft (0.3m) | 11s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Sat afternoon, min 16°C on Sat night). Winds increasing (light winds from the ESE on Sun morning, fresh winds from the S by Mon afternoon). | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | S 4 | ESE 10 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | SSE 8 | |
18 | 18 | 20 | 18 | 18 | 18 | 17 | 16 | 15 | 19 | 30 | 29 | 41 | 48 | 34 | 31 | 30 | 18 | 38 | 74 | 78 | 57 | 49 | 48 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | on | on | cross-on | cross-off | cross-off | cross-off | off | cross | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 00:05AM1.19m | 9:58AM1.08m | 00:56AM1.20m | 11:56AM1.05m | 1:36AM1.22m | |||||||||||||||||||
Low Tide | 4:16PM0.27m | 5:29AM0.93m | 5:26PM0.37m | 6:54AM0.81m | 6:38PM0.46m | 7:52AM0.65m | ||||||||||||||||||
 | |  |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 4:41 | — | — | — | — | — | — | — | 4:41 | — | — | — | — | — | — | — | 4:39 | — | — |
 | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | 6:35 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 20 | 18 | 18 | 17 | 17 | 16 | 17 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 19 | 18 | 18 | 17 | 17 | 17 | 17 |
17 | 16 | 13 | 15 | 14 | 14 | 11 | 12 | 16 | 14 | 14 | 14 | 13 | 13 | 14 | 15 | 13 | 14 | 13 | 14 | 13 | 14 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SE 11 | SE 11 | SE 11 | S 3 | SE 11 | SE 10 | SE 10 | SE 10 | SE 9 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 11 | ESE 11 | ESE 11 | ESE 10 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | SSE 8 |
 kJ | 16 | 18 | 18 | 18 | 2 | 18 | 17 | 16 | 15 | 14 | 8 | 3 | 3 | 3 | 3 | 4 | 11 | 11 | 11 | 74 | 78 | 57 | 49 | 48 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SSE 7 | S 7 | S 6 | SE 11 | S 3 | S 3 | S 3 | S 6 | — | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 8 | — | — | ESE 10 | SE 10 | ESE 10 | ESE 9 | ESE 9 | — |
| kJ | 18 | 5 | 1 | 3 | 18 | 2 | 1 | 1 | 1 | — | 5 | 5 | 5 | 5 | 5 | 3 | — | — | 38 | 44 | 39 | 35 | 33 | — |
Swell 3 Height (m) Direction Period (s) | SSE 8 | S 7 | S 7 | — | S 6 | S 6 | S 6 | S 6 | SW 4 | — | W 6 | SE 11 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 8 | 8 | — | 3 | 3 | 3 | 1 | 1 | — | 1 | 5 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSW 6 | S 6 | SSW 3 | ESE 2 | ESE 3 | — | NE 2 | SE 3 | SSE 5 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | S 4 | S 4 | SSE 8 | SSE 8 | — | — | — |
| kJ | — | 14 | 20 | 4 | 1 | 2 | — | 1 | 3 | 19 | 30 | 29 | 41 | 48 | 34 | 31 | 30 | 18 | 15 | 68 | 54 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 15 | 77 | 143 | 38 | 38 | 38 | 50 | 64 | 470 | 487 | 76 | 76 | 76 | 38 | 76 | 76 | 76 | 76 | 76 | 28 | 15 | 15 | 17 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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