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Surf Forecasts:
Uchiumi surfForecast / Kyu Shu / Japan
16 Day Weather and Surf, issued 2 am Tuesday 21 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
21.1° C
(Which is normal for this time of year)Best Forecast Surf Conditions for Uchiumi this week:
The surf forecast for Uchiumi over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 23) at 9AM. The primary swell is predicted to be 0.8m and 10s period with a secondary swell of 0.3m and 13s. Another secondary swell of 1.1m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Uchiumi in the next 16 days are 2.1m 8s and forecast to arrive on Friday (Apr 24) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 7s period and expected on Thursday (Apr 23) at 9PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Thu 23rd Apr) | 2.5ft (0.8m) 10s |
| Best Surf | 9AM (Thu 23rd Apr) | 2.5ft (0.8m) 10s |
| Most Powerful | 6AM (Fri 24th Apr) | 7ft (2.1m) 8s |
Table - best surf conditions forecast for Uchiumi over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 56mm), heaviest during Thu morning. Warm (max 20°C on Tue afternoon, min 14°C on Thu night). Winds increasing (light winds from the N on Wed morning, fresh winds from the NNW by Thu morning). | Days 3-6 Weather Summary Heavy rain (total 45mm), heaviest during Sun afternoon. Very mild (max 19°C on Sat afternoon, min 14°C on Fri morning). Winds decreasing (fresh winds from the NNE on Fri afternoon, light winds from the SE by Sun afternoon). | ||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 10 | 10 | 11 | 10 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 7 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 569 | 411 | 291 | 313 | 254 | 229 | 138 | 203 | 549 | 300 | 206 | 291 | 245 | 165 | 120 | 104 | 388 | 362 | 294 | 223 | 191 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- off | cross | cross- off | off |
High Tide / height (m) | 9:26PM 1.65 | 8:03AM 1.74 | 10:30PM 1.54 | 8:43AM 1.61 | 11:57PM 1.49 | 9:44AM 1.46 | 1:29AM 1.52 | 11:46AM 1.36 | 2:30AM 1.60 | 1:48PM 1.41 | 3:11AM 1.68 | 3:05PM 1.55 | |||||||||
Low Tide / height (m) | 2:30PM 0.06 | 2:34AM 1.05 | 3:16PM 0.19 | 3:24AM 1.16 | 4:15PM 0.33 | 4:54AM 1.23 | 5:35PM 0.46 | 7:12AM 1.17 | 7:06PM 0.52 | 8:34AM 0.99 | 8:22PM 0.52 | 9:20AM 0.77 | 9:19PM 0.51 | ||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||
| Sunrise | 5:39 | - | - | 5:37 | - | - | 5:37 | - | - | 5:35 | - | - | 5:35 | - | - | 5:33 | - | - | 5:33 | - | - |
| Sunset | - | 6:45 | - | - | 6:46 | - | - | 6:46 | - | - | 6:47 | - | - | 6:49 | - | - | 6:50 | - | - | 6:50 | - |
 | |  |  | |  |  |  |  | | |  | | |  | |  |  |  | | | |
Rain (mm) | - | - | - | - | - | 26 | 21 | 5 | 4 | 1 | 1 | - | - | - | 8 | 15 | 16 | 4 | - | - | - |
| Temp. °C | 19 | 20 | 19 | 19 | 19 | 19 | 18 | 15 | 15 | 16 | 16 | 17 | 18 | 19 | 19 | 18 | 19 | 18 | 22 | 24 | 17 |
| Feels °C (?) | 20 | 13 | 16 | 18 | 18 | 18 | 18 | 12 | 12 | 14 | 14 | 11 | 13 | 16 | 16 | 15 | 20 | 17 | 22 | 22 | 14 |
- Map Icons:
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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.
Information about the Uchiumi Surf forecast
The above surf forecast table for Uchiumi provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Uchiumi can be found by selecting the local surf guide option on the grey menu. Our Uchiumi surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Uchiumi) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Uchiumi may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Uchiumi is 19 km (12 miles) from Miyazaki-shi. If you plan a holiday in Kyu Shu, look for hotels and other accommodation in Miyazaki-shi. Miyazaki-shi has rooms for a wide range of budgets as well as car hire and transport links.
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