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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Tuesday 31 Mar 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
15.1° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Osaki today?
The current surf forecast for Osaki at 5AM is: 1.2m 5s primary swell from a South-southwest direction and 0.1m 11s secondary swell from a South direction (forecast issued at 02:00am March 31). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Mar) | 5ft (1.6m) | 6s |
| Afternoon (31 Mar) | 10ft (3.0m) | 8s |
| Evening (31 Mar) | 11ft (3.5m) | 10s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 31 | Wednesday 01 | Thursday 02 | ||||||||||||||||||||||
| 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) (?) | 5 | 5 | 5 | 6 | 6 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 30 | 55 | 66 | 148 | 305 | 946 | 2208 | 2049 | 1368 | 770 | 524 | 225 | 173 | 137 | 133 | 60 | 58 | 55 | 42 | 54 | 68 | 65 | 35 | 34 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | on | on | off | off | cross- off | cross- off | cross- off | off | off | off | cross- off | off | off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:02AM 1.23 | 3:30PM 1.25 | 4:25AM 1.26 | 4:21PM 1.33 | 4:48AM 1.29 | 5:07PM 1.38 | ||||||||||||||||||
Low Tide / height (m) | 9:17PM 0.25 | 9:45AM 0.62 | 10:01PM 0.27 | 10:19AM 0.46 | 10:39PM 0.31 | 10:52AM 0.32 | ||||||||||||||||||
Tuesday 31 | Wednesday 01 | Thursday 02 | ||||||||||||||||||||||
| Sunrise | - | - | 5:31 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:02 | - |
 | |  |  | |  | |  |  |  |  | | | | |  | | | | | | | | | |
Rain (mm) | - | - | - | 2 | 3 | 10 | 3 | 1 | - | - | - | - | - | 2 | 8 | 9 | 10 | 3 | 1 | 1 | - | - | 1 | 1 |
| Temp. °C | 17 | 17 | 17 | 14 | 15 | 17 | 18 | 18 | 18 | 16 | 16 | 16 | 15 | 13 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 |
| Feels °C (?) | 12 | 11 | 11 | 5 | 8 | 8 | 8 | 12 | 14 | 15 | 10 | 12 | 11 | 10 | 5 | 4 | 3 | 3 | 3 | 4 | 5 | 8 | 9 | 10 |
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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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