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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Sunday 19 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
16.6° C
(Which is 1.6°C colder than average for this time of year)How big are the waves at Osaki today?
The current surf forecast for Osaki at 5AM is: 1.4m 14s primary swell from a South-southeast direction (forecast issued at 02:00am April 19). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Apr) | 5ft (1.5m) | 14s |
| Afternoon (19 Apr) | 5ft (1.5m) | 15s |
| Evening (19 Apr) | 5ft (1.5m) | 15s |
Table - waves today at Osaki. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 19 | Monday 20 | Tuesday 21 | ||||||||||||||||||||||
| 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) (?) | 15 | 15 | 14 | 14 | 15 | 15 | 14 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 869 | 857 | 845 | 899 | 911 | 911 | 961 | 987 | 947 | 834 | 711 | 577 | 444 | 374 | 260 | 210 | 141 | 169 | 110 | 80 | 59 | 58 | 41 | 29 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | off | cross- off | on | on | cross | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- off | cross- off | on | cross- on |
High Tide / height (m) | 5:21AM 1.37 | 6:57PM 1.36 | 5:46AM 1.38 | 7:44PM 1.32 | 6:14AM 1.38 | 8:35PM 1.25 | ||||||||||||||||||
Low Tide / height (m) | 11:48PM 0.63 | 12:07PM -0.00 | 12:20AM 0.72 | 12:45PM -0.03 | 12:52AM 0.81 | 1:25PM -0.02 | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | ||||||||||||||||||||||
| Sunrise | - | - | 5:05 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:17 | - |
 |  |  | | | | | | | | |  | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 16 | 17 | 20 | 20 | 19 | 17 | 17 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 18 | 17 | 20 | 19 | 17 |
| Feels °C (?) | 17 | 18 | 16 | 16 | 19 | 18 | 18 | 16 | 17 | 16 | 14 | 15 | 17 | 15 | 15 | 14 | 14 | 12 | 12 | 16 | 14 | 16 | 17 | 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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