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Surf Forecasts:
Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am 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
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 1PM is: 0.5m 8s primary swell from a South direction and 0.4m 8s secondary swell from a South-southwest direction (forecast issued at 08:00am April 24). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 1.5ft (0.4m) | 8s |
| Afternoon (24 Apr) | 1.5ft (0.5m) | 8s |
| Evening (24 Apr) | 1.5ft (0.5m) | 8s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Sun night. Very mild (max 17°C on Fri morning, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Mon 27 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 6 | SSW 8 | SSE 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | SE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | |
6 | 20 | 38 | 35 | 50 | 35 | 33 | 32 | 20 | 19 | 18 | 10 | 9 | 7 | 5 | 8 | 8 | 8 | 20 | 8 | 14 | 14 | 15 | 15 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross | cross-off | glassy | cross-on | cross-on | on | on | cross | cross-off | |
High Tide | 7:42AM1.28m | 1:12AM1.23m | 9:40AM1.15m | 1:50AM1.27m | 12:28PM1.12m | 2:17AM1.31m | ||||||||||||||||||
Low Tide | 4:30PM0.40m | 6:16AM1.11m | 6:02PM0.48m | 7:43AM0.94m | 7:17PM0.53m | |||||||||||||||||||
 |  | | | |  | |  | |  | | | | | |  |  | | | | | | |  | |
 | 4:58 | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 |
 | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | 6:23 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 13 | 14 | 17 | 17 | 16 | 15 | 14 | 13 | 12 | 13 | 15 | 16 | 15 | 14 | 13 | 13 | 13 | 14 | 16 | 17 | 17 | 16 | 16 | 15 |
8 | 9 | 12 | 13 | 12 | 11 | 10 | 9 | 7 | 8 | 11 | 12 | 10 | 10 | 11 | 11 | 11 | 12 | 14 | 15 | 15 | 16 | 15 | 13 | |
Swell 1 Height (m) Direction Period (s) | SE 6 | SSW 8 | SSE 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 |
 kJ | 6 | 20 | 38 | 35 | 50 | 35 | 33 | 32 | 20 | 19 | 18 | 10 | 9 | 4 | 5 | 8 | 8 | 8 | 8 | 8 | 14 | 14 | 15 | 15 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 6 | SSW 8 | SSW 8 | SE 12 | SE 12 | SE 12 | — | SE 12 | SE 4 | SE 12 | SE 11 | E 11 | E 11 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | E 13 | — | — | — |
| kJ | 5 | 6 | 26 | 27 | 5 | 5 | 5 | — | 5 | 1 | 5 | 5 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 7 | SSE 8 | SE 12 | SE 12 | E 6 | SE 12 | ESE 8 | E 12 | E 8 | — | SW 8 | SW 8 | SE 11 | SE 11 | S 6 | — | — | — | — | — | SE 11 | — | S 17 | S 16 |
| kJ | 1 | 13 | 5 | 5 | 1 | 5 | 20 | 3 | 5 | — | 3 | 2 | 5 | 5 | 1 | — | — | — | — | — | 5 | — | 5 | 5 |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 4 | NE 3 | ENE 2 | E 3 | ESE 4 | — | ENE 3 | ENE 3 | NE 3 | ENE 2 | ESE 2 | SE 3 | SE 5 | — | ENE 2 | — | — | SE 6 | — | — | — | NE 2 | — |
| kJ | 11 | 8 | 3 | 1 | 1 | 3 | — | 1 | 1 | 1 | 1 | 1 | 2 | 7 | — | 1 | — | — | 20 | — | — | — | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 128 | 128 | 138 | 65 | 47 | 47 | 7 | 59 | 138 | 478 | 461 | 557 | 564 | 65 | 47 | 47 | 47 | 87 | 87 | 65 | 65 | 47 | 87 | 59 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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