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Surf Forecasts:
Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Sunday 05 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
16.0° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Shonan today?
The current surf forecast for Shonan at 4PM is: 1.8m 9s primary swell from a South direction (forecast issued at 08:00am April 05). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Apr) | 6ft (1.9m) | 9s |
| Afternoon (05 Apr) | 6ft (1.8m) | 9s |
| Evening (05 Apr) | 5ft (1.6m) | 8s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 05 | Monday 06 | Tuesday 07 | Wed 08 | |||||||||||||||||||||
| 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) (?) | 10 | 9 | 9 | 9 | 10 | 8 | 8 | 8 | 8 | 7 | 8 | 7 | 7 | 4 | 5 | 5 | 5 | 5 | 5 | 7 | 6 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1334 | 580 | 680 | 539 | 343 | 347 | 258 | 142 | 82 | 54 | 50 | 52 | 69 | 28 | 35 | 44 | 33 | 19 | 13 | 11 | 14 | 123 | 175 | 145 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | glass | on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 5:33AM 1.50 | 7:00PM 1.37 | 5:53AM 1.48 | 7:37PM 1.29 | 6:13AM 1.45 | 8:22PM 1.20 | ||||||||||||||||||
Low Tide / height (m) | 12:19PM 0.18 | 12:15AM 0.81 | 12:50PM 0.22 | 12:35AM 0.89 | 1:25PM 0.28 | 12:54AM 0.96 | ||||||||||||||||||
Sunday 05 | Monday 06 | Tuesday 07 | Wed 08 | |||||||||||||||||||||
| Sunrise | 5:24 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:07 | - | - | - |
 | | | |  |  |  | |  | | | | |  | | | |  | |  | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 5 | 9 | 5 | 1 | - | - |
| Temp. °C | 18 | 19 | 20 | 20 | 19 | 18 | 17 | 16 | 15 | 16 | 17 | 18 | 19 | 17 | 17 | 17 | 17 | 16 | 14 | 13 | 11 | 10 | 9 | 10 |
| Feels °C (?) | 16 | 18 | 19 | 18 | 16 | 16 | 17 | 15 | 13 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 13 | 13 | 5 | 3 | 3 | 5 |
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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
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