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Surf Forecasts:
Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Monday 30 Mar 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
15.2° C
(Which is 1.9°C colder than average for this time of year)How big are the waves at Shonan today?
The current surf forecast for Shonan at 6AM is: 0.1m 12s primary swell from a South direction and 0.2m 4s secondary swell from a South-southwest direction (forecast issued at 02:00am March 30). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Mar) | 0.5ft (0.1m) | 12s |
| Afternoon (30 Mar) | 2ft (0.6m) | 3s |
| Evening (30 Mar) | 3ft (0.9m) | 4s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 30 | Tuesday 31 | Wednesday 01 | ||||||||||||||||||||||
| 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) (?) | 4 | 12 | 12 | 12 | 12 | 3 | 4 | 4 | 5 | 5 | 5 | 6 | 7 | 8 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 5 | 3 | 3 | 3 | 3 | 7 | 16 | 25 | 40 | 39 | 64 | 136 | 507 | 1729 | 2766 | 2189 | 1301 | 539 | 289 | 235 | 125 | 94 | 85 | 60 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | glass | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | glass | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off |
High Tide / height (m) | 3:45AM 1.37 | 3:04PM 1.35 | 4:03AM 1.41 | 3:52PM 1.42 | 4:20AM 1.45 | 4:34PM 1.47 | ||||||||||||||||||
Low Tide / height (m) | 9:28AM 0.76 | 9:34PM 0.37 | 9:57AM 0.60 | 10:07PM 0.41 | 10:25AM 0.45 | |||||||||||||||||||
Monday 30 | Tuesday 31 | Wednesday 01 | ||||||||||||||||||||||
| Sunrise | - | - | 5:33 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - |
 | |  |  | |  | |  | | | |  |  | |  |  | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 4 | 10 | 10 | 3 | - | - | - | - | - | - | - | 2 | 3 |
| Temp. °C | 15 | 14 | 13 | 14 | 16 | 17 | 18 | 17 | 17 | 17 | 17 | 15 | 15 | 17 | 19 | 18 | 17 | 15 | 14 | 15 | 14 | 14 | 12 | 12 |
| Feels °C (?) | 14 | 11 | 11 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 11 | 9 | 10 | 9 | 11 | 14 | 17 | 12 | 9 | 10 | 10 | 11 | 9 | 7 |
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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 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.
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