- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Wednesday 15 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Shonan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shonan sea temperature is
16.1° C
(Which is 2.0°C colder than average for this time of year)How big are the waves at Shonan today?
The current surf forecast for Shonan at 3PM is: 1.3m 16s primary swell from a South-southeast direction and 0.6m 8s secondary swell from a Southeast direction (forecast issued at 08:00am April 15). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Apr) | 2.5ft (0.7m) | 17s |
| Afternoon (15 Apr) | 4.5ft (1.3m) | 16s |
| Evening (15 Apr) | 4.5ft (1.3m) | 15s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||||||||
| 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) (?) | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 16 | 15 | 14 | 14 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 305 | 246 | 635 | 778 | 730 | 693 | 763 | 785 | 722 | 722 | 362 | 679 | 419 | 394 | 604 | 654 | 637 | 604 | 627 | 588 | 725 | 744 | 776 | 776 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | glass | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | on | on | cross- on | cross- on |
High Tide / height (m) | 3:22AM 1.44 | 3:30PM 1.39 | 3:44AM 1.48 | 4:17PM 1.48 | 4:06AM 1.52 | 5:03PM 1.53 | ||||||||||||||||||
Low Tide / height (m) | 9:31AM 0.53 | 9:34PM 0.47 | 10:01AM 0.35 | 10:11PM 0.53 | 10:33AM 0.19 | 10:46PM 0.62 | ||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||||||||
| Sunrise | 5:11 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:14 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - |
 |  | | | |  |  | | | |  | | |  | | | | | | | |  |  | | |
Rain (mm) | - | - | - | - | - | 9 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 17 | 19 | 19 | 17 | 15 | 15 | 15 | 16 | 20 | 20 | 19 | 15 | 13 | 12 | 11 | 10 | 12 | 15 | 16 | 15 | 13 | 13 | 13 |
| Feels °C (?) | 15 | 16 | 19 | 18 | 17 | 12 | 12 | 11 | 12 | 14 | 13 | 12 | 7 | 7 | 7 | 5 | 5 | 7 | 11 | 13 | 11 | 10 | 10 | 11 |
- Map Icons:
Break
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 Shonan 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.
Nearest