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Surf Forecasts:
Uchiumi surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Monday 13 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Uchiumi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Uchiumi sea temperature is
19.6° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Uchiumi today?
The current surf forecast for Uchiumi at 7AM is: 0.8m 11s primary swell from a East-southeast direction and 0.3m 5s secondary swell from a East-northeast direction (forecast issued at 02:00am April 13). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Apr) | 2.5ft (0.8m) | 11s |
| Afternoon (13 Apr) | 3ft (0.9m) | 10s |
| Evening (13 Apr) | 2.5ft (0.8m) | 10s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 13 | Tuesday 14 | Wednesday 15 | ||||||||||||||||||||||
| 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) (?) | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 12 | 12 | 10 | 10 | 12 | 12 | 12 | 13 | 16 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 104 | 118 | 128 | 128 | 161 | 155 | 121 | 123 | 128 | 161 | 161 | 158 | 195 | 195 | 256 | 127 | 137 | 157 | 534 | 668 | 668 | 711 | 1734 | 2072 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | cross- on | on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | glass | cross- on | cross- on | cross- on | cross- on | cross | cross- off | glass | on | cross- on | cross- on |
High Tide / height (m) | 3:58AM 1.70 | 3:44PM 1.62 | 4:26AM 1.78 | 4:32PM 1.77 | 4:52AM 1.85 | 5:14PM 1.88 | ||||||||||||||||||
Low Tide / height (m) | 9:15PM 0.40 | 9:58AM 0.71 | 10:02PM 0.36 | 10:31AM 0.50 | 10:42PM 0.36 | 11:03AM 0.31 | ||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | ||||||||||||||||||||||
| Sunrise | - | - | 5:48 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:40 | - | - | - | - | - | - | - | 6:40 | - | - | - | - | - | - | - | 6:42 | - |
 | |  |  | | |  |  | | | | | | | | | | |  | | | | | | |
Rain (mm) | 2 | 4 | 6 | 5 | 3 | 1 | - | - | - | - | - | - | - | 1 | 2 | 2 | 3 | 3 | 1 | 1 | - | 1 | 1 | - |
| Temp. °C | 16 | 14 | 14 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 20 | 20 | 19 | 18 |
| Feels °C (?) | 15 | 15 | 13 | 15 | 15 | 17 | 18 | 17 | 17 | 16 | 16 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 22 | 21 | 18 | 16 |
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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 Uchiumi 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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