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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm 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
15.5° C
(Which is 2.4°C colder than average for this time of year)How big are the waves at Osaki today?
The current surf forecast for Osaki at 12AM is: 0.5m 6s primary swell from a South-southeast direction and 0.2m 11s secondary swell from a East-southeast direction (forecast issued at 08:00pm April 12). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Apr) | 1ft (0.3m) | 11s |
| Afternoon (13 Apr) | 1ft (0.3m) | 11s |
| Evening (13 Apr) | 1ft (0.3m) | 11s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 6 | 6 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 13 | 17 | 17 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 13 | 8 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 31 | 44 | 48 | 50 | 52 | 52 | 73 | 79 | 340 | 255 | 539 | 620 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | cross- on | glass | glass | cross- on | cross- on | cross- off | glass | cross- off | off | cross- off | off | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | glass | on |
High Tide / height (m) | 2:50AM 1.19 | 1:47PM 1.11 | 3:19AM 1.22 | 2:58PM 1.19 | 3:44AM 1.25 | |||||||||||||||||||
Low Tide / height (m) | 7:31PM 0.32 | 8:32AM 0.77 | 8:32PM 0.34 | 9:12AM 0.61 | 9:22PM 0.36 | 9:48AM 0.45 | ||||||||||||||||||
Sun 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:09 | - | - | - |
| Sunset | 6:10 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - | - | - |
 |  | | |  | | | | |  | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 18 | 17 | 17 | 16 | 16 | 17 | 20 | 20 | 19 | 17 | 17 | 16 | 16 | 17 | 19 | 18 |
| Feels °C (?) | 14 | 15 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 17 | 18 | 16 | 15 | 15 | 19 | 17 | 17 | 16 | 17 | 16 | 15 | 16 | 18 | 16 |
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Live Wave Height (m)
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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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