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Surf Forecasts:
Chokusen surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am Tuesday 19 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
22.5° C
(Which is slightly cooler than normal)How big are the waves at Chokusen today?
The current surf forecast for Chokusen at 5PM is: 1.1m 7s primary swell from a Southeast direction and 0.6m 10s secondary swell from a East-southeast direction, 0.8m 8s secondary swell from a East direction (forecast issued at 08:00am May 19). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2.5ft (0.7m) | 9s |
| Afternoon (19 May) | 3.5ft (1.1m) | 7s |
| Evening (19 May) | 4.5ft (1.4m) | 7s |
Table - waves today at Chokusen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Tue night. Warm (max 26°C on Thu morning, min 19°C on Thu night). Winds increasing (calm on Wed morning, fresh winds from the SW by Thu morning). | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 9 | E 9 | E 9 | SE 7 | SE 7 | ESE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 6 | SSW 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | |
102 | 71 | 93 | 115 | 102 | 191 | 167 | 184 | 227 | 240 | 266 | 166 | 183 | 218 | 218 | 183 | 166 | 166 | 200 | 212 | 165 | 132 | 122 | 103 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | glassy | cross | glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | |
High Tide | 6:56AM1.96m | 8:51PM1.86m | 7:42AM1.89m | 9:47PM1.76m | 8:33AM1.77m | 10:46PM1.67m | ||||||||||||||||||
Low Tide | 1:54PM-0.15m | 2:12AM1.03m | 2:46PM-0.04m | 3:06AM1.07m | 3:42PM0.12m | |||||||||||||||||||
 | |  |  | |  | | |  | |  | | |  |  | | | | | | |  | | | |
 | 5:15 | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — | 7:07 |
— | — | — | — | — | 1 | 4 | 3 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | |
Temp °C | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 25 | 26 | 24 | 23 | 22 | 20 | 19 |
21 | 21 | 21 | 22 | 22 | 23 | 24 | 26 | 25 | 27 | 26 | 25 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 21 | 18 | 17 | |
Swell 1 Height (m) Direction Period (s) | E 9 | SE 6 | SE 6 | SE 7 | SE 7 | ESE 9 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 10 | SE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 6 | S 6 | S 6 |
 kJ | 102 | 58 | 88 | 115 | 102 | 68 | 167 | 184 | 187 | 240 | 166 | 151 | 183 | 218 | 218 | 183 | 166 | 166 | 163 | 132 | 132 | 97 | 81 | 49 |
Swell 2 Height (m) Direction Period (s) | SE 11 | E 9 | E 9 | ESE 10 | ESE 10 | SE 11 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | — | ESE 10 | SE 7 | SE 6 | SE 6 | SE 6 | — | — | — | — | — | ESE 10 | ESE 10 | ESE 10 |
| kJ | 30 | 71 | 93 | 58 | 90 | 31 | 149 | 163 | 169 | 169 | — | 166 | 88 | 56 | 46 | 38 | — | — | — | — | — | 132 | 103 | 103 |
Swell 3 Height (m) Direction Period (s) | — | SE 11 | ESE 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 29 | 44 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | — | — | E 8 | E 8 | ESE 7 | — | — | SE 7 | — | SSE 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 6 | S 6 | SSW 6 | SSW 6 | SW 6 | SSW 6 | WSW 3 |
| kJ | 52 | — | — | 88 | 90 | 191 | — | — | 227 | — | 266 | 116 | 104 | 102 | 92 | 74 | 128 | 144 | 200 | 212 | 165 | 124 | 122 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 33 | 82 | 342 | 324 | 297 | 33 | 33 | 0 | 0 | 0 | 0 | 309 | 297 | 12 | 0 | 0 | 12 | 18 | 371 | 135 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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