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Surf Forecasts:
Shonan surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm Saturday 30 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
20.7° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Shonan today (31 May):
- Morning surf: Morning surf (31 May, local time) - 1ft (0.3m), 15s period with S swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 1.5ft (0.5m), 13s period with S swell.
- Evening surf: Evening surf (31 May, local time) - 2ft (0.6m), 12s period with S swell.
The current surf forecast for Shonan at 3AM is: 0.3m 6s primary swell from a South-southeast direction and 0.3m 3s secondary swell from a South-southwest direction (forecast issued at 08:00pm May 30). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 1ft (0.3m) | 15s |
| Afternoon (31 May) | 1.5ft (0.5m) | 13s |
| Evening (31 May) | 2ft (0.6m) | 12s |
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 26°C on Sun afternoon, min 20°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tuesday 2 | |||||||||||||||||||||
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 4 | S 4 | SSE 6 | SSE 6 | S 15 | S 15 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | SSW 14 | S 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SSW 13 | |
16 | 10 | 8 | 7 | 18 | 39 | 31 | 81 | 108 | 100 | 99 | 125 | 119 | 86 | 85 | 105 | 163 | 168 | 238 | 173 | 165 | 172 | 145 | 183 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-off | off | cross-off | cross-off | on | cross | cross-on | cross-on | cross-off | cross-off | off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 5:07PM1.36m | 3:24AM1.44m | 5:43PM1.37m | 3:56AM1.45m | 6:19PM1.37m | 4:28AM1.45m | ||||||||||||||||||
Low Tide | 10:06PM0.95m | 10:36AM0.13m | 10:40PM0.97m | 11:10AM0.11m | 11:12PM0.98m | 11:45AM0.12m | ||||||||||||||||||
 |  | | |  | | | |  |  | | | | | | | | | |  | | | | | |
 | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — |
 | 6:49 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | 6:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 22 | 21 | 22 | 22 | 24 | 25 | 26 | 26 | 23 | 22 | 21 | 22 | 24 | 25 | 24 | 23 | 22 | 21 | 20 | 20 | 21 | 22 | 22 |
20 | 21 | 21 | 22 | 22 | 24 | 24 | 26 | 25 | 22 | 21 | 21 | 22 | 24 | 23 | 21 | 21 | 21 | 20 | 19 | 19 | 19 | 19 | 20 | |
Swell 1 Height (m) Direction Period (s) | SE 12 | SSE 6 | SSW 4 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 13 | S 12 | S 12 | S 12 | SSW 6 | S 6 | S 11 | S 11 | SSW 14 | S 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 13 |
 kJ | 6 | 4 | 4 | 7 | 7 | 7 | 6 | 81 | 108 | 100 | 99 | 45 | 33 | 86 | 85 | 105 | 163 | 168 | 238 | 173 | 165 | 172 | 145 | 183 |
Swell 2 Height (m) Direction Period (s) | SE 6 | SSW 6 | SSE 6 | SSW 3 | S 15 | S 15 | S 13 | SSE 6 | SE 12 | SSW 14 | SE 12 | S 11 | S 11 | S 6 | SSW 16 | S 10 | SW 15 | SW 15 | SE 11 | SW 16 | SW 17 | SW 16 | SSW 14 | SW 15 |
| kJ | 13 | 4 | 8 | 2 | 18 | 39 | 31 | 6 | 6 | 39 | 5 | 125 | 119 | 15 | 53 | 48 | 57 | 56 | 5 | 64 | 73 | 63 | 125 | 56 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 12 | SE 11 | SE 11 | SE 11 | SE 12 | SSW 15 | SE 12 | SSW 14 | SE 12 | ESE 10 | S 18 | SSW 17 | SSW 14 | SSW 14 | SE 11 | SE 11 | SE 11 | E 9 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 7 | 6 | 5 | 5 | 5 | 6 | 22 | 6 | 63 | 5 | 9 | 6 | 29 | 39 | 36 | 5 | 5 | 5 | 6 | 5 | 5 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | SW 3 | — | — | — | — | — | S 6 | SSW 4 | SSW 6 | SSW 6 | — | SSW 5 | S 5 | S 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 3 | SSW 3 | S 3 | S 4 |
| kJ | 16 | 10 | 4 | — | — | — | — | — | 10 | 29 | 58 | 82 | — | 30 | 14 | 15 | 29 | 18 | 13 | 8 | 5 | 3 | 5 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 87 | 86 | 28 | 86 | 63 | 4 | 9 | 4 | 28 | 4 | 0 | 0 | 0 | 0 | 87 | 87 | 88 | 17 | 17 | 4 | 29 | 87 | 138 | 87 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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