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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Sunday 12 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
15.3° C
(Which is 2.6°C colder than average for this time of year)How big are the waves at Osaki today?
The current surf forecast for Osaki at 6AM is: 0.5m 8s primary swell from a South-southwest direction and 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00am April 12). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Apr) | 1.5ft (0.4m) | 7s |
| Afternoon (12 Apr) | 2ft (0.6m) | 3s |
| Evening (12 Apr) | 1.5ft (0.5m) | 4s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 7 | 7 | 3 | 4 | 4 | 6 | 6 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 119 | 67 | 32 | 17 | 16 | 7 | 13 | 10 | 26 | 24 | 19 | 19 | 19 | 19 | 19 | 73 | 19 | 19 | 31 | 61 | 67 | 69 | 237 | 92 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | on | on | cross- on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | glass | cross- off | off | off | cross | cross | cross- off |
High Tide / height (m) | 2:15AM 1.15 | 12:03PM 1.06 | 2:50AM 1.19 | 1:47PM 1.11 | 3:19AM 1.22 | 2:58PM 1.19 | ||||||||||||||||||
Low Tide / height (m) | 7:35AM 0.91 | 7:31PM 0.32 | 8:32AM 0.77 | 8:32PM 0.34 | 9:12AM 0.61 | |||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||||||||||||
| Sunrise | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:10 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - | - | - | 6:12 | - |
 |  |  |  | | |  | | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 17 | 20 | 21 | 18 | 17 |
| Feels °C (?) | 16 | 16 | 13 | 12 | 12 | 10 | 11 | 13 | 13 | 14 | 15 | 16 | 16 | 15 | 16 | 16 | 17 | 17 | 15 | 15 | 18 | 18 | 14 | 15 |
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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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