Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Uchiumi surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Thursday 25 Dec 2025 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
21.8° C
(Which is slightly warmer than usual)How big are the waves at Uchiumi today?
The current surf forecast for Uchiumi at 8AM is: 1.5m 9s primary swell from a East-southeast direction and 0.2m 14s secondary swell from a East direction (forecast issued at 02:00am December 25). An open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Dec) | 5ft (1.5m) | 9s |
| Afternoon (25 Dec) | 4ft (1.2m) | 9s |
| Evening (25 Dec) | 3ft (0.9m) | 8s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 25 | Friday 26 | Saturday 27 | ||||||||||||||||||||||
| 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 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 451 | 400 | 406 | 377 | 262 | 203 | 137 | 101 | 80 | 57 | 41 | 27 | 39 | 39 | 69 | 64 | 97 | 99 | 95 | 92 | 93 | 101 | 104 | 103 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | on | glass | cross- off |
High Tide / height (m) | 10:09AM 1.75 | 9:27PM 1.59 | 10:51AM 1.71 | 10:34PM 1.47 | 11:35AM 1.67 | |||||||||||||||||||
Low Tide / height (m) | 3:17AM 0.22 | 3:58PM 0.89 | 4:02AM 0.39 | 4:58PM 0.83 | 4:52AM 0.58 | 6:06PM 0.73 | ||||||||||||||||||
Thursday 25 | Friday 26 | Saturday 27 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:16 | - | - |
 |  |  |  | | | | | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 16 | 15 | 14 | 13 | 9 | 7 | 5 | 4 | 4 | 4 | 5 | 7 | 6 | 4 | 3 | 3 | 3 | 4 | 8 | 10 | 9 | 8 |
| Feels °C (?) | 15 | 15 | 14 | 11 | 7 | 7 | 1 | -1 | -3 | -4 | -3 | -2 | -1 | 3 | 2 | -1 | -2 | -2 | -1 | 0 | 4 | 6 | 6 | 4 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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