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Surf Forecasts:
Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 am Saturday 23 May 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
20.6° C
(Which is normal for this time of year)How big are the waves at Shonan today?
The current surf forecast for Shonan at 9AM is: 0.1m 11s primary swell from a Southeast direction and 0.2m 7s secondary swell from a South direction (forecast issued at 02:00am May 23). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 0.5ft (0.2m) | 7s |
| Afternoon (23 May) | 0.5ft (0.1m) | 11s |
| Evening (23 May) | 0.5ft (0.2m) | 5s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 22°C on Mon morning, min 13°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 8 | S 7 | S 7 | S 7 | S 7 | SE 11 | SE 7 | ESE 5 | SE 6 | SE 6 | SSE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | |
10 | 4 | 5 | 5 | 5 | 5 | 2 | 3 | 10 | 14 | 15 | 18 | 25 | 26 | 28 | 41 | 43 | 53 | 54 | 56 | 44 | 44 | 44 | 27 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | glassy | cross-off | cross-off | cross-off | cross | on | cross-on | cross-on | cross-on | |
High Tide | 10:39PM1.27m | 8:20AM1.23m | 11:32PM1.27m | 10:09AM1.11m | 00:15AM1.28m | 12:15PM1.08m | ||||||||||||||||||
Low Tide | 3:37AM1.04m | 3:56PM0.43m | 5:23AM0.94m | 5:03PM0.58m | 6:44AM0.78m | 6:10PM0.69m | ||||||||||||||||||
 | |  | | | | |  | | |  | | | | | |  | |  | | | | | | |
 | — | 4:33 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 13 | 13 | 15 | 18 | 18 | 17 | 17 | 16 | 17 | 18 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 20 | 22 | 22 | 22 | 20 |
6 | 8 | 7 | 7 | 10 | 15 | 15 | 14 | 14 | 13 | 14 | 16 | 18 | 19 | 19 | 20 | 18 | 18 | 17 | 20 | 22 | 21 | 22 | 20 | |
Swell 1 Height (m) Direction Period (s) | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | SE 6 | ESE 5 | SE 6 | SE 6 | SSE 6 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 |
 kJ | 10 | 4 | 4 | 4 | 4 | 1 | 1 | 3 | 10 | 10 | 15 | 18 | 25 | 26 | 28 | 41 | 43 | 53 | 54 | 56 | 44 | 44 | 44 | 27 |
Swell 2 Height (m) Direction Period (s) | E 11 | SW 8 | SE 8 | SE 11 | SE 11 | SE 11 | S 6 | SE 7 | S 6 | E 12 | SE 12 | E 12 | E 12 | E 12 | E 10 | E 11 | ESE 11 | — | — | E 12 | E 12 | SW 9 | S 9 | SSW 8 |
| kJ | 2 | 2 | 2 | 5 | 5 | 5 | 1 | 2 | 1 | 3 | 6 | 3 | 3 | 3 | 2 | 2 | 11 | — | — | 3 | 3 | 3 | 2 | 7 |
Swell 3 Height (m) Direction Period (s) | — | E 11 | SE 11 | E 6 | E 6 | SE 7 | SE 7 | S 7 | E 12 | ESE 12 | SE 12 | — | E 10 | E 10 | E 10 | E 11 | E 11 | SE 11 | SE 11 | SE 11 | E 16 | E 13 | — | E 16 |
| kJ | — | 2 | 5 | 1 | 1 | 2 | 2 | 1 | 3 | 14 | 6 | — | 2 | 2 | 8 | 9 | 9 | 5 | 5 | 5 | 5 | 3 | — | 5 |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 4 | NNE 3 | NNE 3 | NNE 3 | NE 3 | ENE 2 | E 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 16 | 11 | 7 | 9 | 5 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 544 | 747 | 790 | 803 | 47 | 47 | 47 | 544 | 47 | 47 | 47 | 26 | 47 | 48 | 29 | 4 | 0 | 0 | 0 | 2 | 4 | 28 | 47 | 29 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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