Surf Forecasts:
How big are the waves at Chokusen today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2.5ft (0.8m), 8s period with SSE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.0m), 9s period with SSE swell.
- Evening surf: Evening surf (20 Aug, local time) - 3.5ft (1.1m), 9s period with S swell.
The current surf forecast for Chokusen at 5PM is: 1.1m 9s primary swell from a South direction and 0.6m 8s secondary swell from a East direction (forecast issued at 08:00am August 20). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2.5ft (0.8m) | 8s |
| Afternoon (20 Aug) | 3.5ft (1.0m) | 9s |
| Evening (20 Aug) | 3.5ft (1.1m) | 9s |
Table - waves today at Chokusen. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri afternoon. Warm (max 28°C on Thu morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||
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) | E 8 | SSE 8 | S 9 | SSE 9 | 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 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
Wave Graph | ||||||||||||||||||||||
78 | 92 | 162 | 173 | 190 | 186 | 220 | 262 | 207 | 194 | 155 | 155 | 155 | 126 | 126 | 123 | 91 | 89 | 86 | 69 | 92 | 71 | |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | on | on | glassy | glassy | glassy | cross | cross-on | on | on | on | glassy | glassy | cross-on | cross-on | on | on | on | on | on |
High Tide | 11:45AM1.51m | 10:29PM1.78m | 2:13PM1.49m | 11:25PM1.69m | 4:05PM1.59m | |||||||||||||||||
Low Tide | 4:58AM0.81m | 4:22PM1.30m | 6:09AM0.87m | 5:30PM1.44m | 7:47AM0.86m | 8:18PM1.48m | ||||||||||||||||
5:41 | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | |
— | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 1 | — | — |
Temp °C | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 27 |
Feels °C | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 30 | 31 | 32 | 31 | 32 | 32 | 33 | 30 | 30 | 31 | 31 | 31 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | E 8 | SSE 8 | S 9 | SSE 9 | 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 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
78 | 92 | 162 | 173 | 190 | 186 | 220 | 262 | 207 | 194 | 155 | 155 | 155 | 126 | 126 | 123 | 91 | 89 | 86 | 69 | 92 | 71 | |
Swell 2 Height (m) Direction Period (s) | SSE 5 | E 8 | E 8 | E 8 | E 8 | E 7 | ENE 7 | E 7 | E 7 | E 9 | E 8 | E 9 | E 7 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 11 | E 9 |
16 | 61 | 58 | 58 | 43 | 26 | 16 | 16 | 16 | 39 | 37 | 40 | 14 | 14 | 39 | 39 | 25 | 25 | 38 | 39 | 11 | 39 | |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 11 | SE 11 | SE 11 | E 9 | E 7 | SE 11 | SE 11 | E 6 | SE 11 | SE 11 | ESE 11 | E 14 | ESE 10 |
25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 43 | 29 | 30 | 29 | 14 | 8 | 30 | 30 | 6 | 31 | 30 | 40 | 15 | 11 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | ESE 3 | E 3 | — | — | — | E 6 | ESE 3 | ESE 3 | E 9 | ESE 4 |
— | — | — | — | — | — | — | — | — | — | — | — | 4 | 2 | — | — | — | 6 | 3 | 3 | 81 | 12 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 1 | 33 | 33 | 33 | 33 | 0 | 0 | 0 | 5 | 33 | 33 | 33 | 33 | 0 | 0 | 5 | 27 | 67 | 33 | 33 | 33 | 12 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












