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Surf Forecasts:
Chokusen surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am Monday 18 May 2026 JSTForecast update in hr min s Forecast update imminent
Chokusen surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chokusen sea temperature is
22.2° C
(Which is slightly cooler than normal)How big are the waves at Chokusen today?
The current surf forecast for Chokusen at 4PM is: 0.9m 9s primary swell from a East-southeast direction and 0.3m 11s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a East-southeast direction (forecast issued at 08:00am May 18). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3ft (0.9m) | 8s |
| Afternoon (18 May) | 3ft (0.9m) | 9s |
| Evening (18 May) | 2.5ft (0.8m) | 9s |
Table - waves today at Chokusen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Tue night. Warm (max 24°C on Wed afternoon, min 20°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | E 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | ESE 8 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | SE 8 | SE 8 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | |
113 | 116 | 125 | 132 | 132 | 99 | 99 | 113 | 99 | 244 | 128 | 297 | 229 | 279 | 300 | 333 | 319 | 320 | 271 | 273 | 253 | 253 | 205 | 201 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross | cross-off | off | off | |
High Tide | 6:14AM1.98m | 7:59PM1.95m | 6:56AM1.96m | 8:51PM1.86m | 7:42AM1.89m | 9:47PM1.76m | ||||||||||||||||||
Low Tide | 1:05PM-0.19m | 1:25AM0.97m | 1:54PM-0.15m | 2:12AM1.03m | 2:46PM-0.04m | |||||||||||||||||||
 | | | | |  | | | |  |  | |  |  | |  | | | | | |  | |  | |
 | 5:16 | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 21 | 22 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 22 | 21 | 20 | 21 | 21 | 21 | 22 | 22 | 23 | 24 | 24 | 23 | 22 | 22 |
21 | 21 | 22 | 22 | 23 | 23 | 21 | 21 | 20 | 21 | 21 | 20 | 19 | 21 | 22 | 22 | 23 | 23 | 25 | 27 | 26 | 26 | 25 | 25 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | SE 11 | E 9 | ESE 7 | ESE 7 | ESE 7 | SE 8 | SE 8 | E 10 | E 10 | SSE 8 | SSE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 113 | 116 | 125 | 132 | 132 | 99 | 99 | 113 | 99 | 29 | 76 | 165 | 229 | 279 | 300 | 333 | 319 | 320 | 187 | 173 | 253 | 253 | 205 | 201 |
Swell 2 Height (m) Direction Period (s) | SE 12 | ESE 12 | ESE 12 | ESE 10 | SE 12 | SE 10 | SE 10 | SE 5 | SE 11 | — | SE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 10 | SSE 8 | SSE 8 | E 10 | E 10 | S 8 | SSE 7 | SSE 7 | SSE 7 |
| kJ | 35 | 14 | 14 | 10 | 22 | 28 | 28 | 34 | 30 | — | 29 | 80 | 71 | 54 | 147 | 159 | 174 | 165 | 271 | 273 | 95 | 114 | 101 | 91 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 12 | — | — | — | SE 11 | — | — | — | E 8 | E 8 | E 9 | — | — | — | — | NNE 4 | NNE 4 | SE 7 | NE 4 | NE 4 | NNE 4 |
| kJ | 10 | 10 | 10 | 14 | — | — | — | 20 | — | — | — | 48 | 34 | 40 | — | — | — | — | 10 | 11 | 47 | 5 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | ESE 3 | ESE 4 | ESE 5 | SE 5 | — | ESE 6 | ESE 8 | ESE 6 | ESE 7 | — | — | — | — | — | NNE 4 | — | — | — | — | — | — |
| kJ | — | — | — | 3 | 5 | 14 | 20 | — | 65 | 244 | 128 | 297 | — | — | — | — | — | 10 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 33 | 33 | 342 | 33 | 27 | 27 | 33 | 57 | 94 | 33 | 33 | 33 | 33 | 1 | 1 | 1 | 6 | 33 | 68 | 57 | 0 | 0 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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