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Surf Forecasts:
Chokusen surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Thursday 21 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
22.9° C
(Which is normal for this time of year)How big are the waves at Chokusen today?
The current surf forecast for Chokusen at 6AM is: 0.9m 10s primary swell from a East-southeast direction and 1.1m 7s secondary swell from a South-southeast direction, 1.3m 7s secondary swell from a South direction (forecast issued at 02:00am May 21). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 3ft (0.9m) | 10s |
| Afternoon (21 May) | 3ft (0.9m) | 10s |
| Evening (21 May) | 3ft (0.9m) | 10s |
Table - waves today at Chokusen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 23mm), heaviest during Sat afternoon. Warm (max 26°C on Thu morning, min 21°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 10 | S 7 | S 7 | ESE 10 | S 7 | ESE 10 | SSW 6 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | SSE 5 | E 10 | |
183 | 173 | 163 | 163 | 163 | 161 | 182 | 134 | 136 | 103 | 100 | 103 | 103 | 103 | 103 | 100 | 113 | 147 | 128 | 125 | 170 | 90 | 102 | 267 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | glassy | cross-off | cross | |
High Tide | 9:47PM1.76m | 8:33AM1.77m | 10:46PM1.67m | 9:34AM1.63m | 11:48PM1.60m | 10:51AM1.49m | ||||||||||||||||||
Low Tide | 3:06AM1.07m | 3:42PM0.12m | 4:11AM1.08m | 4:42PM0.29m | 5:32AM1.05m | 5:47PM0.46m | ||||||||||||||||||
 | |  | | | |  |  | |  |  | | |  | | | | | | | |  | |  | |
 | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — |
— | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 6 | 3 | 6 | |
Temp °C | 23 | 23 | 23 | 25 | 26 | 24 | 24 | 24 | 23 | 22 | 21 | 23 | 24 | 24 | 23 | 22 | 22 | 21 | 22 | 21 | 22 | 23 | 21 | 21 |
25 | 25 | 25 | 25 | 26 | 24 | 25 | 26 | 25 | 23 | 22 | 25 | 24 | 24 | 24 | 24 | 24 | 22 | 23 | 23 | 23 | 28 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | SSE 7 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 6 | S 6 | S 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ENE 9 | E 10 |
 kJ | 183 | 141 | 118 | 163 | 163 | 132 | 132 | 132 | 78 | 62 | 49 | 103 | 103 | 103 | 103 | 100 | 113 | 147 | 128 | 125 | 170 | 90 | 88 | 267 |
Swell 2 Height (m) Direction Period (s) | S 7 | ESE 10 | ESE 10 | — | — | — | — | — | ESE 10 | ESE 10 | ESE 9 | S 6 | S 6 | S 6 | NE 5 | S 6 | SSW 5 | NNE 4 | NE 4 | W 6 | NE 6 | NE 5 | ESE 9 | ESE 10 |
| kJ | 73 | 166 | 163 | — | — | — | — | — | 129 | 103 | 100 | 34 | 33 | 24 | 9 | 23 | 9 | 2 | 1 | 1 | 1 | 1 | 50 | 51 |
Swell 3 Height (m) Direction Period (s) | SE 6 | — | — | — | — | — | — | — | — | — | WSW 7 | NE 4 | NE 5 | NE 5 | SW 7 | NE 5 | NE 4 | SW 7 | SW 7 | SW 7 | W 6 | W 6 | NE 5 | — |
| kJ | 58 | — | — | — | — | — | — | — | — | — | 15 | 1 | 6 | 13 | 2 | 5 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | — | S 7 | S 7 | S 7 | S 7 | S 6 | SSW 6 | SSW 6 | SSW 6 | — | — | — | — | — | S 6 | SSW 6 | WSW 4 | — | — | NE 4 | — | SE 5 | SSE 5 | S 6 |
| kJ | — | 173 | 149 | 131 | 145 | 161 | 182 | 134 | 136 | — | — | — | — | — | 23 | 28 | 1 | — | — | 1 | — | 49 | 102 | 190 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 297 | 0 | 297 | 297 | 12 | 0 | 0 | 0 | 0 | 297 | 338 | 33 | 6 | 33 | 33 | 33 | 12 | 33 | 0 | 0 | 1 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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