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Surf Forecasts:
Uchiumi surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Thursday 09 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 1.1°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: 0.4m 12s primary swell from a East-southeast direction and 0.5m 4s secondary swell from a East-southeast direction, 0.5m 6s secondary swell from a South-southeast direction (forecast issued at 02:00am April 09). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | 1.5ft (0.5m) | 10s |
| Afternoon (09 Apr) | 4ft (1.2m) | 5s |
| Evening (09 Apr) | 5ft (1.5m) | 6s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| 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) (?) | 9 | 9 | 12 | 10 | 10 | 10 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 9 | 9 | 9 | 9 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 29 | 46 | 55 | 56 | 75 | 115 | 161 | 232 | 286 | 348 | 339 | 576 | 411 | 408 | 193 | 143 | 58 | 62 | 64 | 84 | 84 | 140 | 135 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | cross- off | on | cross- on | cross- on | glass |
High Tide / height (m) | 11:18PM 1.43 | 9:14AM 1.53 | 1:15AM 1.42 | 10:35AM 1.39 | 2:40AM 1.51 | 1:04PM 1.35 | ||||||||||||||||||
Low Tide / height (m) | 3:53AM 1.18 | 5:07PM 0.39 | 6:05AM 1.24 | 6:45PM 0.46 | 8:24AM 1.12 | 8:13PM 0.45 | ||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| Sunrise | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:38 | - |
 |  |  |  | | | |  | |  |  |  |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 15 | 17 | 19 | 19 | 19 | 19 | 20 | 20 | 22 | 23 | 24 | 23 | 22 | 20 | 18 | 16 | 15 | 17 | 19 | 19 | 18 | 18 |
| Feels °C (?) | 12 | 12 | 13 | 13 | 14 | 15 | 16 | 15 | 18 | 19 | 20 | 21 | 23 | 22 | 22 | 20 | 18 | 14 | 13 | 16 | 17 | 17 | 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 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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