Surf Forecasts:
How big are the waves at Shonan today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 8ft (2.5m), 13s period with S swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 10ft (3.0m), 13s period with S swell.
- Evening surf: Evening surf (21 Sep, local time) - 11ft (3.5m), 13s period with SSE swell.
The current surf forecast for Shonan at 2PM is: 3.0m 13s primary swell from a South direction (forecast issued at 08:00am September 21). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 8ft (2.5m) | 13s |
| Afternoon (21 Sep) | 10ft (3.0m) | 13s |
| Evening (21 Sep) | 11ft (3.5m) | 13s |
Table - waves today at Shonan. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 139mm), heaviest during Mon afternoon. Warm (max 26°C on Mon night, min 21°C on Wed night). Winds decreasing (strong winds from the N on Mon afternoon, calm by Tue afternoon). | ||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSE 12 | S 13 | S 13 | S 13 | SSE 13 | SSE 13 | SSE 12 | SSE 11 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | S 8 | SSE 8 | S 7 | SSE 7 | S 7 | SSE 7 | SSE 6 | SSE 6 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 1841 | 2393 | 2870 | 3267 | 3993 | 4633 | 2151 | 515 | 190 | 159 | 138 | 129 | 115 | 90 | 45 | 44 | 40 | 31 | 24 | 15 | 15 | 15 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross | on | on | cross-on | glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off |
High Tide | 3:28PM1.22m | 00:17AM1.13m | 3:30PM1.28m | 1:48AM1.21m | 3:42PM1.35m | |||||||||||||||||
Low Tide | 7:00AM0.53m | 8:35PM1.07m | 8:02AM0.46m | 8:55PM0.95m | 8:45AM0.39m | |||||||||||||||||
 | | |  |  | |  |  |  | |  | |  | | | | | | | |  | | |
 | 5:28 | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:38 | — | — |
mm | 6 | 6 | 9 | 31 | 53 | 31 | 2 | — | — | — | 1 | 1 | 1 | 1 | 2 | 1 | — | — | — | — | — | — |
Temp °C | 23 | 23 | 23 | 23 | 24 | 24 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 22 | 22 | 22 | 23 | 23 | 23 | 22 |
Feels °C | 21 | 22 | 20 | 20 | 20 | 19 | 27 | 29 | 28 | 28 | 28 | 29 | 28 | 26 | 24 | 22 | 21 | 21 | 22 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | S 13 | S 13 | S 13 | SSE 13 | SSE 13 | SSE 12 | SSE 11 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | S 8 | SSE 8 | S 7 | SSE 7 | S 7 | SSE 7 | SSE 6 | SSE 6 |
| kJ | 1841 | 2393 | 2870 | 3267 | 3993 | 4633 | 2151 | 515 | 190 | 159 | 138 | 129 | 115 | 90 | 45 | 44 | 40 | 31 | 24 | 15 | 15 | 15 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 4 | W 8 | WSW 8 | WSW 8 | E 9 | E 10 | E 9 | SE 4 | SE 5 | SE 9 | SSW 6 | S 9 | SE 9 | SE 9 | SE 9 |
| kJ | — | — | — | — | — | — | — | 4 | 1 | 6 | 6 | 7 | 2 | 2 | 5 | 18 | 3 | 4 | 2 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 4 | SW 3 | SW 8 | E 9 | — | — | — | — | SSE 10 | SSE 9 | S 9 | SSE 9 | S 8 | S 8 | S 8 |
| kJ | — | — | — | — | — | — | — | 12 | 2 | 17 | 7 | — | — | — | — | 9 | 8 | 2 | 8 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | N 4 | N 4 | N 4 | NNE 4 | NNE 4 | N 5 | NNW 5 | — | SSW 3 | — | — | SE 3 | SE 4 | SE 4 | ESE 5 | — | ENE 2 | NE 3 | NE 3 | NE 3 | NE 3 | NNE 3 |
| kJ | 12 | 12 | 17 | 25 | 40 | 72 | 44 | — | 1 | — | — | 1 | 12 | 18 | 20 | — | 1 | 2 | 2 | 2 | 2 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 59 | 47 | 497 | 497 | 497 | 128 | 0 | 2 | 7 | 17 | 4 | 0 | 2 | 2 | 220 | 20 | 10 | 851 | 1418 | 1418 | 989 | 934 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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