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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Thursday 09 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
15.6° 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 2PM is: 1.1m 4s primary swell from a South-southwest direction and 0.1m 8s secondary swell from a Southeast direction, 0.1m 11s secondary swell from a Southeast direction (forecast issued at 08:00am April 09). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | 1ft (0.3m) | 8s |
| Afternoon (09 Apr) | 4ft (1.2m) | 5s |
| Evening (09 Apr) | 3.5ft (1.0m) | 5s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 09 | Friday 10 | Saturday 11 | Sun 12 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 9 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 6 | 9 | 25 | 66 | 78 | 49 | 35 | 83 | 169 | 288 | 262 | 382 | 1384 | 1176 | 999 | 675 | 245 | 453 | 384 | 151 | 547 | 149 | 96 | 36 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | on | cross- on | cross- on | cross- on | glass | cross- on | glass | off | off | off |
High Tide / height (m) | 7:49AM 1.27 | 11:44PM 1.10 | 8:33AM 1.19 | 1:18AM 1.11 | 9:53AM 1.10 | 2:15AM 1.15 | ||||||||||||||||||
Low Tide / height (m) | 3:41PM 0.17 | 3:32AM 1.01 | 4:52PM 0.24 | 5:41AM 1.01 | 6:14PM 0.29 | |||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | Sun 12 | |||||||||||||||||||||
| Sunrise | 5:18 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:08 | - | - | - | - | - | - | - | 6:09 | - | - | - |
 | |  |  | |  | | |  |  | | | | |  |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 3 | 1 | 4 | 5 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 16 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 18 | 20 | 21 | 21 | 18 | 16 | 15 |
| Feels °C (?) | 10 | 9 | 8 | 8 | 8 | 11 | 9 | 10 | 9 | 11 | 11 | 12 | 15 | 15 | 16 | 16 | 17 | 18 | 20 | 19 | 20 | 11 | 11 | 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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