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Surf Forecasts:
Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Thursday 23 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
18.7° C
(Which is normal for this time of year)How big are the waves at Shonan today?
The current surf forecast for Shonan at 11AM is: 0.4m 6s primary swell from a Southeast direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 08:00am April 23). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 1.5ft (0.4m) | 6s |
| Afternoon (23 Apr) | 1.5ft (0.4m) | 6s |
| Evening (23 Apr) | 1ft (0.3m) | 12s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 42mm), heaviest during Thu night. Very mild (max 18°C on Thu morning, min 13°C on Thu night). Winds decreasing (fresh winds from the NNE on Thu night, light winds from the E by Sat night). | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSE 6 | SE 6 | SE 6 | SE 6 | E 9 | SE 12 | E 9 | E 9 | SSW 8 | S 8 | SSW 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | ESE 6 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | |
15 | 10 | 11 | 11 | 7 | 23 | 7 | 7 | 14 | 46 | 37 | 50 | 52 | 51 | 19 | 20 | 18 | 17 | 25 | 12 | 8 | 11 | 8 | 8 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | on | cross-on | cross-on | cross-on | cross | |
High Tide | 6:56AM1.41m | 11:45PM1.20m | 7:42AM1.28m | 1:12AM1.23m | 9:40AM1.15m | 1:50AM1.27m | ||||||||||||||||||
Low Tide | 3:07PM0.27m | 2:55AM1.16m | 4:30PM0.40m | 6:16AM1.11m | 6:02PM0.48m | |||||||||||||||||||
 | |  | |  |  |  |  | |  | | | |  |  | | | | | | | | | | |
 | 5:01 | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:56 |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | 6:22 |
— | — | 1 | 5 | 12 | 14 | 7 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 17 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 17 | 17 | 16 | 14 | 14 | 14 | 13 | 14 | 15 | 16 | 15 | 14 | 14 | 13 |
15 | 16 | 16 | 13 | 11 | 7 | 6 | 7 | 9 | 9 | 13 | 14 | 12 | 11 | 10 | 9 | 8 | 10 | 11 | 12 | 11 | 11 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SE 6 | SE 6 | SSW 8 | S 8 | SSW 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | SE 7 | SE 7 | S 7 | S 7 | SE 6 | SE 6 |
 kJ | 15 | 10 | 11 | 11 | 6 | 4 | 5 | 5 | 14 | 46 | 37 | 50 | 52 | 51 | 19 | 20 | 18 | 17 | 17 | 12 | 4 | 1 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 6 | SE 6 | SSE 8 | SE 12 | SE 12 | SE 12 | SSW 8 | SE 12 | E 12 | SE 12 | SW 8 | SW 8 | E 11 | E 11 | — | — |
| kJ | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 24 | 5 | 5 | 5 | 14 | 5 | 3 | 5 | 2 | 2 | 2 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | SE 13 | E 10 | — | — | E 9 | SE 12 | E 9 | E 9 | SE 12 | SE 12 | SE 12 | ESE 12 | E 8 | E 8 | SE 12 | E 9 | SE 12 | SW 8 | E 12 | E 11 | E 9 | S 7 | S 7 | SE 8 |
| kJ | 6 | 2 | — | — | 7 | 23 | 7 | 7 | 5 | 5 | 5 | 14 | 6 | 6 | 5 | 6 | 5 | 11 | 3 | 2 | 2 | 1 | 1 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NE 2 | NNE 3 | NNE 4 | NNE 4 | NNE 4 | NE 3 | NE 3 | E 2 | ESE 3 | ESE 3 | ESE 3 | E 2 | ENE 3 | E 4 | ESE 6 | — | SE 6 | SE 6 | — | — |
| kJ | — | — | — | — | 1 | 8 | 16 | 16 | 12 | 6 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 2 | 25 | — | 8 | 11 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 26 | 59 | 86 | 47 | 95 | 480 | 128 | 128 | 138 | 47 | 10 | 138 | 564 | 47 | 480 | 138 | 478 | 461 | 478 | 786 | 47 | 47 | 84 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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