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Surf Forecasts:
Chokusen surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Tuesday 21 Apr 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
21.3° C
(Which is normal for this time of year)How big are the waves at Chokusen today?
The current surf forecast for Chokusen at 7AM is: 1.5m 12s primary swell from a East direction (forecast issued at 02:00am April 21). An open ocean swell of 0.4m 4s is not directed at the surf break, a second open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 5ft (1.6m) | 12s |
| Afternoon (21 Apr) | 4ft (1.2m) | 12s |
| Evening (21 Apr) | 4ft (1.2m) | 11s |
Table - waves today at Chokusen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 794 | 781 | 661 | 722 | 486 | 411 | 364 | 351 | 338 | 379 | 434 | 352 | 345 | 294 | 294 | 296 | 249 | 290 | 400 | 125 | 125 | 374 | 311 | 355 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | on | on | on | on | cross- on | cross- off | cross- off | cross | cross- on | cross- on |
High Tide / height (m) | 7:50AM 1.87 | 9:43PM 1.69 | 8:30AM 1.75 | 10:52PM 1.56 | 9:20AM 1.60 | |||||||||||||||||||
Low Tide / height (m) | 2:12AM 0.89 | 2:48PM -0.04 | 2:57AM 1.03 | 3:43PM 0.11 | 3:56AM 1.13 | 4:51PM 0.28 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:46 | - |
 |  |  |  | | | |  | | | | | | | |  | |  |  | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 4 | 11 | 21 | 24 | 3 | 2 | 3 | 1 |
| Temp. °C | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 17 | 17 | 18 | 19 | 20 | 19 | 19 | 18 | 18 | 17 | 18 | 17 | 16 | 16 | 15 |
| Feels °C (?) | 19 | 17 | 18 | 19 | 13 | 11 | 13 | 16 | 17 | 15 | 15 | 17 | 18 | 19 | 18 | 17 | 16 | 16 | 15 | 18 | 13 | 12 | 12 | 10 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Chokusen surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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