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Surf Forecasts:
Nichinan surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am Tuesday 21 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
21.1° C
(Which is normal for this time of year)How big are the waves at Nichinan today?
The current surf forecast for Nichinan at 12PM is: 1.3m 12s primary swell from a East-southeast direction and 0.1m 16s secondary swell from a Southeast direction, 1.8m 6s secondary swell from a Northeast direction (forecast issued at 08:00am April 21). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 5ft (1.5m) | 12s |
| Afternoon (21 Apr) | 7ft (2.1m) | 7s |
| Evening (21 Apr) | 4ft (1.2m) | 11s |
Table - waves today at Nichinan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 7 | 7 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 661 | 650 | 486 | 411 | 308 | 351 | 338 | 442 | 434 | 354 | 294 | 294 | 296 | 296 | 249 | 200 | 128 | 125 | 234 | 292 | 379 | 345 | 346 | 507 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:50AM 1.87 | 9:43PM 1.69 | 8:30AM 1.75 | 10:52PM 1.56 | 9:20AM 1.60 | 12:23AM 1.47 | ||||||||||||||||||
Low Tide / height (m) | 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 | Fri 24 | |||||||||||||||||||||
| Sunrise | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:47 | - | - | - |
 |  |  | | |  |  | | | | | | |  | |  |  |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 5 | 13 | 10 | 15 | 3 | 1 | 1 | 1 | - | - |
| Temp. °C | 17 | 19 | 20 | 19 | 19 | 18 | 18 | 17 | 16 | 18 | 20 | 20 | 18 | 17 | 16 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 |
| Feels °C (?) | 17 | 19 | 14 | 12 | 14 | 14 | 16 | 15 | 14 | 17 | 18 | 18 | 16 | 15 | 14 | 11 | 13 | 15 | 13 | 13 | 13 | 11 | 12 | 12 |
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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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