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Uchiumi surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 pm Wednesday 18 Feb 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
17.6° C
(Which is 1.8°C colder than average for this time of year)How big are the waves at Uchiumi today?
The current surf forecast for Uchiumi at 11PM is: 0.9m 10s primary swell from a East direction (forecast issued at 02:00pm February 18). An open ocean swell of 0.2m 6s is not directed at the surf break, a second open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Feb) | - | - |
| Afternoon (18 Feb) | 3ft (0.9m) | 10s |
| Evening (18 Feb) | 3ft (0.9m) | 10s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 136 | 156 | 184 | 149 | 116 | 53 | 52 | 80 | 57 | 81 | 79 | 72 | 64 | 46 | 31 | 71 | 72 | 45 | 45 | 45 | 47 | 71 | 45 | 46 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | glass | glass | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 6:54PM 1.92 | 7:35AM 1.88 | 7:32PM 1.89 | 8:00AM 1.86 | 8:12PM 1.81 | 8:26AM 1.82 | ||||||||||||||||||
Low Tide / height (m) | 1:00PM 0.44 | 1:16AM 0.02 | 1:32PM 0.35 | 1:47AM 0.15 | 2:06PM 0.29 | 2:17AM 0.32 | ||||||||||||||||||
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:50 |
| Sunset | - | - | 6:01 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - |
 | | |  | | | | | |  |  |  | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 14 | 11 | 9 | 8 | 8 | 7 | 8 | 10 | 12 | 11 | 10 | 9 | 8 | 8 | 9 | 13 | 14 | 14 | 11 | 10 | 9 | 9 | 10 |
| Feels °C (?) | 7 | 6 | 4 | 3 | 3 | 3 | 3 | 5 | 7 | 8 | 7 | 7 | 6 | 5 | 5 | 6 | 10 | 11 | 12 | 7 | 7 | 6 | 6 | 8 |
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