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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Friday 17 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Nichinan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nichinan sea temperature is
20.3° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 6AM is: 1.8m 15s primary swell from a Southeast direction and 0.2m 14s secondary swell from a East-northeast direction, 1.5m 8s secondary swell from a East direction (forecast issued at 02:00am April 17). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 6ft (1.8m) | 15s |
| Afternoon (17 Apr) | 5.5ft (1.7m) | 14s |
| Evening (17 Apr) | 6ft (1.9m) | 16s |
Table - waves today at Nichinan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
| 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) (?) | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1563 | 1585 | 1441 | 1460 | 1421 | 1179 | 2927 | 1761 | 2465 | 2434 | 2578 | 2687 | 2481 | 2255 | 2264 | 2173 | 2004 | 1712 | 1598 | 1699 | 1495 | 1875 | 1902 | 1929 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross |
High Tide / height (m) | 5:43AM 1.89 | 6:25PM 1.97 | 6:12AM 1.94 | 7:10PM 1.99 | 6:42AM 1.96 | 7:56PM 1.94 | ||||||||||||||||||
Low Tide / height (m) | 11:44PM 0.37 | 12:01PM 0.03 | 12:20AM 0.47 | 12:38PM -0.10 | 12:56AM 0.60 | 1:17PM -0.16 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
| Sunrise | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:44 | - | - | - | - | - | - | - | 6:45 | - |
 | |  |  |  | | |  | |  | | | | | | | | | | | | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 |
| Temp. °C | 19 | 20 | 20 | 20 | 21 | 20 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 19 | 20 | 20 | 20 | 19 |
| Feels °C (?) | 18 | 17 | 17 | 16 | 17 | 16 | 15 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 20 | 18 | 17 | 16 | 16 | 17 | 17 | 18 | 18 | 18 |
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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 Nichinan 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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