Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Friday 02 Jan 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
17.2° C
(Which is slightly cooler than normal)How big are the waves at Shonan today?
The current surf forecast for Shonan at 2PM is: 0.3m 5s primary swell from a South-southwest direction and 0.1m 7s secondary swell from a South direction, 0.4m 4s secondary swell from a Southwest direction (forecast issued at 08:00am January 02). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Jan) | 0.5ft (0.2m) | 4s |
| Afternoon (02 Jan) | 1.5ft (0.4m) | 4s |
| Evening (02 Jan) | 2.5ft (0.8m) | 6s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 02 | Saturday 03 | Sunday 04 | Mon 05 | |||||||||||||||||||||
| 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) (?) | 5 | 4 | 5 | 4 | 5 | 6 | 6 | 8 | 5 | 8 | 8 | 9 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2 | 2 | 29 | 5 | 47 | 39 | 8 | 6 | 3 | 3 | 3 | 3 | 3 | 7 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 17 | 6 | 5 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross | cross- on | glass | off | off | off | cross- off | off | glass | glass | glass | off | cross- off | cross- off |
High Tide / height (m) | 4:57AM 1.43 | 2:38PM 1.49 | 5:40AM 1.48 | 3:30PM 1.54 | 6:19AM 1.48 | 4:21PM 1.57 | ||||||||||||||||||
Low Tide / height (m) | 9:39AM 1.10 | 10:12PM -0.07 | 10:27AM 1.07 | 10:58PM -0.12 | 11:09AM 1.03 | 11:42PM -0.10 | ||||||||||||||||||
Friday 02 | Saturday 03 | Sunday 04 | Mon 05 | |||||||||||||||||||||
| Sunrise | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:39 | - | - | - | - | - | - | - | 4:40 | - | - | - | - | - | - | - | 4:42 | - | - | - | - |
 |  |  | | |  |  | |  | | | | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 7 | 8 | 8 | 6 | 2 | 2 | 2 | 3 | 5 | 7 | 8 | 7 | 6 | 5 | 5 | 5 | 6 | 8 | 9 | 8 | 8 | 7 | 7 |
| Feels °C (?) | 1 | 3 | 4 | 2 | 0 | -5 | -5 | -3 | -1 | 0 | 3 | 3 | 3 | 1 | 0 | 1 | 1 | 2 | 5 | 6 | 5 | 4 | 4 | 4 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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