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Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Saturday 21 Feb 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
16.3° C
(Which is normal for this time of year)How big are the waves at Shonan today?
The current surf forecast for Shonan at 10AM is: 0.1m 12s primary swell from a East direction (forecast issued at 02:00am February 21). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Feb) | 0.5ft (0.1m) | 12s |
| Afternoon (21 Feb) | 0.5ft (0.1m) | 12s |
| Evening (21 Feb) | 0.5ft (0.1m) | 12s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| 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 | 4 | 12 | 12 | 12 | 12 | 12 | 12 | 5 | 6 | 12 | 12 | 4 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1 | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 3 | 3 | 13 | 34 | 92 | 143 | 199 | 213 | 220 | 201 | 190 | 223 | 216 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross- off | glass | glass | glass | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | off |
High Tide / height (m) | 6:53AM 1.52 | 7:16PM 1.41 | 7:15AM 1.51 | 8:06PM 1.30 | 7:37AM 1.48 | |||||||||||||||||||
Low Tide / height (m) | 12:41AM 0.38 | 1:08PM 0.39 | 1:08AM 0.54 | 1:48PM 0.35 | 1:35AM 0.71 | 2:35PM 0.35 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:20 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:29 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - |
 |  | |  | | | | | | | | | | | | | |  |  |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - |
| Temp. °C | 9 | 8 | 7 | 8 | 11 | 12 | 12 | 11 | 11 | 11 | 10 | 11 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 18 | 19 | 18 | 15 |
| Feels °C (?) | 5 | 3 | 3 | 4 | 8 | 9 | 9 | 8 | 8 | 8 | 7 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 10 | 14 | 14 | 14 | 11 |
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