Surf Forecasts:
How big are the waves at Chokusen today (21 Aug):
- Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.1m), 9s period with S swell.
The current surf forecast for Chokusen at 12AM is: 1.1m 9s primary swell from a South direction and 0.5m 8s secondary swell from a East direction (forecast issued at 08:00pm August 20). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | - | - |
| Evening (21 Aug) | 3.5ft (1.1m) | 9s |
Table - waves today at Chokusen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sat morning. Warm (max 28°C on Fri morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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) | S 9 | S 9 | S 9 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 9 | S 9 | S 9 | S 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 190 | 186 | 186 | 262 | 207 | 194 | 189 | 155 | 155 | 155 | 126 | 123 | 93 | 92 | 119 | 122 | 101 | 101 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | glassy | cross | cross-on | on | on | on | cross-on | on | on | cross-on | cross-on | on | on | on | cross-on |
High Tide | 10:29PM1.78m | 2:13PM1.49m | 11:25PM1.69m | 4:05PM1.59m | ||||||||||||||
Low Tide | 4:22PM1.30m | 6:09AM0.87m | 5:30PM1.44m | 7:47AM0.86m | 8:18PM1.48m | |||||||||||||
 |  | | |  | | | | |  | | | | |  | | | | |
 | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — |
Temp °C | 28 | 27 | 27 | 27 | 26 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 |
Feels °C | 33 | 32 | 32 | 32 | 30 | 32 | 31 | 31 | 32 | 32 | 32 | 32 | 30 | 30 | 31 | 31 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 9 | S 9 | S 9 | S 9 |
| kJ | 190 | 186 | 186 | 262 | 207 | 194 | 189 | 155 | 155 | 155 | 126 | 123 | 93 | 92 | 119 | 122 | 101 | 101 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 7 | E 8 | E 7 | E 7 | E 7 | SE 11 | E 9 | ENE 7 | ENE 7 | E 7 | E 9 | E 9 | SE 11 | SE 11 | ESE 11 | ESE 10 | E 9 |
| kJ | 43 | 24 | 34 | 16 | 16 | 16 | 30 | 56 | 15 | 15 | 14 | 37 | 25 | 31 | 30 | 40 | 22 | 56 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | ESE 10 | SE 11 | SE 11 | SE 11 | SE 11 | E 9 | E 9 | E 9 | SE 11 | SE 11 | E 15 | E 15 | SE 10 | E 14 | ESE 10 |
| kJ | 25 | 26 | 26 | 40 | 29 | 29 | 30 | 30 | 13 | 14 | 13 | 30 | 31 | 4 | 17 | 4 | 16 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | E 9 | E 8 | — | — | — | — | E 6 | E 6 | E 9 | E 9 | E 9 | E 9 | — |
| kJ | — | — | — | — | — | 56 | 52 | — | — | — | — | 12 | 11 | 57 | 55 | 56 | 57 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 33 | 12 | 0 | 0 | 5 | 33 | 342 | 33 | 33 | 12 | 12 | 18 | 33 | 33 | 33 | 324 | 33 | 12 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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