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Surf Forecasts:
Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm Friday 24 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
19.3° C
(Which is slightly warmer than usual)How big are the waves at Shonan today?
The current surf forecast for Shonan at 2AM is: 0.5m 8s primary swell from a South direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 08:00pm April 24). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 1.5ft (0.4m) | 8s |
| Afternoon (25 Apr) | 1.5ft (0.4m) | 7s |
| Evening (25 Apr) | 1.5ft (0.4m) | 4s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Mon morning. Very mild (max 17°C on Sat afternoon, min 13°C on Fri night). Winds increasing (light winds from the SSW on Sun morning, fresh winds from the N by Mon morning). | ||||||||||||||||||||||||
Fri 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 7 | S 7 | SE 4 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SE 6 | SE 6 | SE 6 | |
50 | 35 | 34 | 32 | 30 | 19 | 18 | 18 | 5 | 4 | 7 | 5 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 15 | 9 | 10 | 14 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 1:12AM1.23m | 9:40AM1.15m | 1:50AM1.27m | 12:28PM1.12m | 2:17AM1.31m | 2:01PM1.19m | ||||||||||||||||||
Low Tide | 4:30PM0.40m | 6:16AM1.11m | 6:02PM0.48m | 7:43AM0.94m | 7:17PM0.53m | 8:24AM0.76m | ||||||||||||||||||
 |  |  | | |  | | | | | |  | |  | | | | | |  |  |  | | | |
 | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — |
 | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | 6:23 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 6 | 3 | — | |
Temp °C | 16 | 15 | 14 | 13 | 13 | 14 | 15 | 17 | 16 | 14 | 14 | 13 | 13 | 14 | 15 | 16 | 16 | 16 | 16 | 14 | 14 | 13 | 14 | 15 |
12 | 11 | 10 | 8 | 8 | 9 | 11 | 14 | 12 | 10 | 11 | 11 | 11 | 12 | 13 | 14 | 14 | 15 | 15 | 11 | 10 | 8 | 10 | 11 | |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 7 | S 7 | S 7 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SE 6 | SE 6 | SE 6 |
 kJ | 50 | 35 | 34 | 32 | 30 | 19 | 18 | 18 | 4 | 4 | 7 | 5 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 15 | 9 | 10 | 14 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | — | SE 12 | SE 12 | E 12 | SE 12 | SE 11 | E 11 | SE 5 | S 7 | S 7 | S 7 | S 7 | S 7 | — | — | E 9 | E 13 | SE 8 | SE 8 | SE 9 | E 12 | — |
| kJ | 5 | 5 | — | 5 | 5 | 3 | 5 | 5 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | 2 | 3 | 3 | 3 | 3 | 3 | — |
Swell 3 Height (m) Direction Period (s) | E 6 | ESE 8 | SE 12 | SE 12 | E 8 | E 8 | E 8 | SE 11 | SE 11 | E 11 | S 6 | S 6 | — | — | — | — | S 6 | — | — | — | — | — | — | — |
| kJ | 1 | 12 | 5 | 5 | 12 | 5 | 5 | 5 | 5 | 2 | 1 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | ENE 2 | ENE 3 | NE 3 | ENE 2 | — | SE 3 | SE 4 | — | — | — | — | — | — | SSE 2 | — | — | — | — | NE 3 | NE 3 | NNE 3 |
| kJ | — | — | — | 1 | 1 | 2 | 1 | — | 3 | 3 | — | — | — | — | — | — | 1 | — | — | — | — | 4 | 6 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 47 | 47 | 47 | 480 | 480 | 461 | 59 | 65 | 796 | 65 | 47 | 47 | 59 | 87 | 26 | 28 | 29 | 29 | 47 | 47 | 501 | 220 | 138 | 135 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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