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Surf Forecasts:
Uchiumi surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Saturday 04 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
19.4° C
(Which is 1.1°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: 2.5m 7s primary swell from a South-southeast direction and 0.2m 13s secondary swell from a East-southeast direction, 0.2m 11s secondary swell from a East direction (forecast issued at 02:00am April 04). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Apr) | 10ft (3.0m) | 8s |
| Afternoon (04 Apr) | 15ft (4.5m) | 10s |
| Evening (04 Apr) | 7ft (2.2m) | 9s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 04 | Sunday 05 | Monday 06 | ||||||||||||||||||||||
| 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) (?) | 5 | 6 | 7 | 8 | 9 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 8 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 48 | 190 | 436 | 1255 | 1778 | 3546 | 2385 | 875 | 573 | 439 | 322 | 274 | 130 | 255 | 108 | 82 | 102 | 80 | 75 | 108 | 108 | 106 | 108 | 113 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | off | off | off | off | off | off | cross- off | off | cross- off | glass | cross | cross | cross- on | cross |
High Tide / height (m) | 6:42AM 1.93 | 7:34PM 1.90 | 7:07AM 1.90 | 8:15PM 1.80 | 7:33AM 1.85 | |||||||||||||||||||
Low Tide / height (m) | 12:50AM 0.44 | 1:07PM -0.01 | 1:20AM 0.58 | 1:42PM -0.01 | 1:50AM 0.73 | 2:19PM 0.04 | ||||||||||||||||||
Saturday 04 | Sunday 05 | Monday 06 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:00 | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:36 | - |
 |  | |  | |  |  |  | | |  | | | | |  | | | | | | | |  | |
Rain (mm) | - | 1 | 5 | 12 | 18 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 9 |
| Temp. °C | 19 | 19 | 18 | 19 | 20 | 20 | 18 | 17 | 16 | 15 | 14 | 16 | 20 | 22 | 18 | 15 | 13 | 13 | 14 | 15 | 18 | 20 | 18 | 15 |
| Feels °C (?) | 15 | 13 | 12 | 12 | 13 | 18 | 14 | 16 | 14 | 13 | 12 | 15 | 17 | 17 | 14 | 12 | 11 | 11 | 12 | 14 | 16 | 18 | 18 | 11 |
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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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