Surf Forecasts:
How big are the waves at Shonan today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 9s period with S swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.4m), 9s period with SSW swell.
The current surf forecast for Shonan at 10PM is: 0.4m 9s primary swell from a South-southwest direction and 0.1m 10s secondary swell from a Southeast direction, 0.6m 4s secondary swell from a South-southwest direction (forecast issued at 02:00pm August 21). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 2.5ft (0.8m) | 9s |
| Evening (21 Aug) | 1.5ft (0.4m) | 9s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sat night. Warm (max 28°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSW 9 | S 9 | SSW 9 | SSW 9 | SSW 9 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SW 9 | SSW 9 | SSW 9 | SSE 13 | SE 13 | SE 12 | SE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 26 | 101 | 106 | 26 | 35 | 36 | 34 | 32 | 32 | 32 | 32 | 32 | 31 | 20 | 26 | 25 | 17 | 27 | 23 | 38 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | glassy | on | cross-on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | on | cross-on | cross-on |
High Tide | 8:48PM1.29m | 9:51PM1.23m | 4:23PM1.21m | |||||||||||||||||
Low Tide | 6:10AM0.53m | 7:42AM0.47m | 8:28PM1.14m | |||||||||||||||||
 |  |  |  | | |  | | | | |  |  | | | | | | |  | |
 | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — |
 | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — |
mm | — | — | 1 | — | — | — | — | — | — | — | 1 | 10 | 2 | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 26 | 25 | 25 | 24 | 26 | 27 | 28 | 26 | 26 |
Feels °C | 30 | 28 | 29 | 28 | 28 | 29 | 30 | 31 | 31 | 31 | 32 | 28 | 28 | 28 | 26 | 28 | 29 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SE 11 | SE 11 | SSW 9 | SSW 9 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 4 | SSW 9 | SW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SE 12 |
| kJ | 26 | 4 | 4 | 26 | 35 | 36 | 34 | 32 | 32 | 32 | 32 | 6 | 31 | 20 | 26 | 25 | 14 | 14 | 14 | 38 |
Swell 2 Height (m) Direction Period (s) | SE 10 | S 9 | S 9 | SE 10 | SE 10 | SE 10 | SSW 4 | S 5 | SE 10 | SE 10 | SE 10 | SSW 9 | S 5 | S 5 | SE 10 | SE 10 | SSE 13 | SE 13 | SE 12 | SSW 8 |
| kJ | 4 | 2 | 2 | 4 | 4 | 4 | 5 | 7 | 4 | 4 | 4 | 32 | 4 | 4 | 4 | 4 | 17 | 27 | 23 | 14 |
Swell 3 Height (m) Direction Period (s) | ESE 5 | S 13 | SE 5 | S 9 | S 9 | S 9 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 11 | SE 13 | SE 4 | SSE 4 | SSE 14 | SSE 10 |
| kJ | 3 | 3 | 1 | 2 | 2 | 2 | 4 | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 5 | 7 | 1 | 2 | 20 | 9 |
Wind waves Height (m) Direction Period (s) | S 3 | S 9 | SSW 9 | SSW 4 | SSW 4 | SSW 4 | SW 3 | W 3 | S 5 | S 5 | S 4 | S 5 | — | — | — | — | — | — | S 4 | — |
| kJ | 2 | 101 | 106 | 11 | 7 | 8 | 2 | 2 | 4 | 7 | 6 | 11 | — | — | — | — | — | — | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 87 | 87 | 88 | 88 | 87 | 29 | 29 | 28 | 28 | 86 | 82 | 47 | 59 | 59 | 59 | 59 | 26 | 26 | 28 | 26 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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