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Surf Forecasts:
Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Sunday 03 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
19.7° C
(Which is normal for this time of year)How big are the waves at Shonan today?
The current surf forecast for Shonan at 4PM is: 1.2m 5s primary swell from a South-southwest direction and 0.2m 10s secondary swell from a East-southeast direction (forecast issued at 08:00am May 03). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 1ft (0.3m) | 6s |
| Afternoon (03 May) | 3.5ft (1.1m) | 4s |
| Evening (03 May) | 5.5ft (1.7m) | 6s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Sun night. Warm (max 23°C on Mon morning, min 15°C on Mon night). Winds increasing (calm on Sun morning, near gales from the SW by Mon afternoon). | ||||||||||||||||||||||||
Sunday 3 | Monday 4 | Tuesday 5 | Wed 6 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 7 | SSW 6 | S 7 | SSW 4 | SSW 5 | SSW 6 | SSW 6 | S 7 | SSW 8 | SSW 9 | SSW 8 | SSW 7 | SSW 7 | SW 8 | SSW 8 | SW 9 | SW 9 | SSW 9 | SW 9 | SE 10 | SE 10 | S 4 | S 5 | S 6 | |
9 | 8 | 23 | 46 | 107 | 179 | 291 | 724 | 1408 | 1230 | 804 | 561 | 515 | 948 | 207 | 84 | 39 | 42 | 12 | 25 | 25 | 6 | 20 | 23 | |
Wind (km/h) | ||||||||||||||||||||||||
off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | off | cross-off | cross-off | cross-off | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 4:28AM1.48m | 6:19PM1.40m | 4:52AM1.48m | 6:56PM1.36m | 5:18AM1.46m | 7:36PM1.30m | ||||||||||||||||||
Low Tide | 11:25AM0.12m | 11:27PM0.89m | 11:57AM0.13m | 11:54PM0.93m | 12:30PM0.17m | 00:21AM0.97m | ||||||||||||||||||
 |  | | | |  |  |  |  |  | | | | |  | | | | | | | | | | |
 | 4:48 | — | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:46 |
 | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:30 | — | — | 6:30 |
— | — | — | — | — | — | 1 | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 20 | 21 | 22 | 20 | 19 | 19 | 20 | 21 | 22 | 23 | 22 | 20 | 18 | 15 | 15 | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 16 |
15 | 19 | 17 | 16 | 15 | 14 | 14 | 14 | 16 | 16 | 15 | 12 | 11 | 16 | 9 | 11 | 13 | 13 | 11 | 11 | 12 | 13 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 6 | ESE 10 | ESE 10 | SE 10 | ESE 9 | ESE 9 | SE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | E 11 | SSW 8 | SSW 8 | SW 9 | SW 9 | SSW 9 | S 7 | SSW 8 | SW 8 | SSE 7 | SE 10 | SE 10 |
 kJ | 9 | 8 | 10 | 9 | 4 | 35 | 35 | 22 | 17 | 20 | 20 | 21 | 2 | 295 | 207 | 84 | 39 | 42 | 8 | 6 | 3 | 4 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | SE 10 | — | — | — | — | — | — | — | — | — | — | — | WSW 7 | SE 11 | S 8 | S 7 | SE 10 | SW 9 | SE 10 | SE 10 | SE 10 | SW 8 | SW 7 |
| kJ | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | 76 | 5 | 41 | 26 | 4 | 12 | 4 | 4 | 4 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 11 | SE 11 | — | SE 10 | SE 10 | SE 10 | SW 7 | SE 11 | WSW 7 |
| kJ | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | — | 4 | 25 | 25 | 2 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | S 7 | SSW 4 | SSW 5 | SSW 6 | SSW 6 | S 7 | SSW 8 | SSW 9 | SSW 8 | SSW 7 | SSW 7 | SW 8 | — | — | NE 3 | ENE 3 | — | S 7 | S 3 | S 4 | S 5 | S 6 |
| kJ | — | — | 23 | 46 | 107 | 179 | 291 | 724 | 1408 | 1230 | 804 | 561 | 515 | 948 | — | — | 2 | 1 | — | 22 | 8 | 6 | 20 | 23 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 26 | 833 | 2030 | 2042 | 747 | 747 | 480 | 461 | 461 | 461 | 500 | 500 | 0 | 17 | 2 | 0 | 47 | 220 | 87 | 87 | 87 | 86 | 86 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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