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Surf Forecasts:
Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm 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
15.3° 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 1AM is: 1.0m 5s primary swell from a South-southwest direction and 0.1m 11s secondary swell from a South direction, 0.1m 11s secondary swell from a Southeast direction (forecast issued at 08:00pm March 30). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Mar) | 4ft (1.2m) | 5s |
| Afternoon (31 Mar) | 10ft (3.0m) | 8s |
| Evening (31 Mar) | 10ft (3.0m) | 10s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 17 | 28 | 40 | 55 | 67 | 78 | 207 | 988 | 2139 | 1941 | 2339 | 776 | 535 | 264 | 96 | 137 | 85 | 75 | 58 | 43 | 29 | 27 | 51 | 97 |
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- on | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:04PM 1.35 | 4:03AM 1.41 | 3:52PM 1.42 | 4:20AM 1.45 | 4:34PM 1.47 | 4:38AM 1.47 | ||||||||||||||||||
Low Tide / height (m) | 9:34PM 0.37 | 9:57AM 0.60 | 10:07PM 0.41 | 10:25AM 0.45 | 10:37PM 0.47 | 10:53AM 0.32 | ||||||||||||||||||
Mon 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:28 | - | - | - |
| Sunset | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - |
 |  | | | |  |  |  | |  | | |  | | | | |  | |  | | | | | |
Rain (mm) | - | - | - | - | - | 3 | 8 | 12 | 3 | - | - | - | - | - | - | 2 | 7 | 7 | 6 | 3 | 1 | 1 | 1 | 1 |
| Temp. °C | 18 | 17 | 17 | 16 | 16 | 14 | 15 | 16 | 19 | 18 | 17 | 16 | 15 | 15 | 14 | 13 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 14 | 13 | 13 | 12 | 12 | 7 | 9 | 10 | 12 | 15 | 17 | 14 | 11 | 12 | 11 | 10 | 7 | 5 | 4 | 5 | 5 | 6 | 7 | 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
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