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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Saturday 11 Apr 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
14.9° C
(Which is 2.9°C colder than average for this time of year)How big are the waves at Osaki today?
The current surf forecast for Osaki at 11AM is: 1.9m 9s primary swell from a South-southwest direction and 1.2m 8s secondary swell from a South direction, 0.1m 11s secondary swell from a Southeast direction (forecast issued at 08:00am April 11). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Apr) | 6ft (1.9m) | 9s |
| Afternoon (11 Apr) | 3.5ft (1.0m) | 8s |
| Evening (11 Apr) | 6ft (1.8m) | 8s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 11 | Sunday 12 | Monday 13 | Tue 14 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 11 | 6 | 3 | 6 | 6 | 6 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 700 | 536 | 157 | 127 | 133 | 437 | 128 | 71 | 33 | 18 | 12 | 13 | 5 | 26 | 48 | 26 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | cross- off | cross- on | cross- on | cross- off | off | off | off | off | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | glass |
High Tide / height (m) | 9:53AM 1.10 | 2:15AM 1.15 | 12:03PM 1.06 | 2:50AM 1.19 | 1:47PM 1.11 | |||||||||||||||||||
Low Tide / height (m) | 5:41AM 1.01 | 6:14PM 0.29 | 7:35AM 0.91 | 7:31PM 0.32 | 8:32AM 0.77 | 8:32PM 0.34 | ||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tue 14 | |||||||||||||||||||||
| Sunrise | 5:16 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:10 | - | - | - | - | - | - | - | 6:12 | - | - | - |
 | | | | |  |  |  |  |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 18 | 20 | 21 | 20 | 19 | 18 | 16 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 16 | 18 | 18 | 17 | 17 | 16 | 16 |
| Feels °C (?) | 16 | 18 | 19 | 20 | 18 | 18 | 14 | 10 | 7 | 10 | 10 | 10 | 12 | 13 | 14 | 13 | 14 | 15 | 16 | 15 | 14 | 16 | 16 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Osaki surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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