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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Sunday 19 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
20.9° C
(Which is slightly cooler than normal)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 2AM is: 2.3m 14s primary swell from a East-southeast direction and 0.4m 11s secondary swell from a East-northeast direction, 0.9m 11s secondary swell from a East-northeast direction (forecast issued at 08:00pm April 19). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 6ft (1.9m) | 13s |
| Afternoon (20 Apr) | 6.5ft (2.0m) | 13s |
| Evening (20 Apr) | 5.5ft (1.7m) | 13s |
Table - waves today at Nichinan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1922 | 1922 | 1813 | 1905 | 1444 | 1274 | 1585 | 1380 | 1193 | 980 | 794 | 781 | 661 | 722 | 486 | 411 | 364 | 351 | 338 | 389 | 434 | 354 | 296 | 294 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on |
High Tide / height (m) | 7:56PM 1.94 | 7:14AM 1.94 | 8:46PM 1.83 | 7:50AM 1.87 | 9:43PM 1.69 | 8:30AM 1.75 | ||||||||||||||||||
Low Tide / height (m) | 1:33AM 0.74 | 2:00PM -0.14 | 2:12AM 0.89 | 2:48PM -0.04 | 2:57AM 1.03 | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - |
| Sunset | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - |
 |  | |  |  |  | |  |  |  | | | |  | | | |  | |  | | | | | |
Rain (mm) | 1 | 1 | 1 | 12 | 24 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 18 | 17 | 17 | 19 | 20 | 21 | 20 | 18 | 17 | 17 | 17 | 19 | 19 | 20 | 19 | 18 | 18 | 17 | 16 | 18 | 20 | 20 |
| Feels °C (?) | 15 | 17 | 17 | 15 | 16 | 18 | 21 | 21 | 21 | 18 | 17 | 17 | 17 | 19 | 14 | 14 | 14 | 15 | 16 | 15 | 14 | 16 | 18 | 19 |
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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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