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Surf Forecasts:
Uchiumi surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Saturday 25 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
21.7° C
(Which is normal for this time of year)How big are the waves at Uchiumi today?
The current surf forecast for Uchiumi at 5AM is: 3.0m 10s primary swell from a East direction and 2.3m 10s secondary swell from a East direction, 0.2m 6s secondary swell from a South direction (forecast issued at 08:00pm April 25). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | 8ft (2.4m) | 10s |
| Afternoon (26 Apr) | 7.5ft (2.3m) | 9s |
| Evening (26 Apr) | 6.5ft (2.0m) | 9s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 24mm), heaviest during Sat night. Warm (max 25°C on Tue afternoon, min 16°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tuesday 28 | |||||||||||||||||||||
6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | ENE 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | |
982 | 780 | 815 | 1325 | 1419 | 1048 | 1026 | 899 | 805 | 649 | 829 | 455 | 297 | 235 | 165 | 132 | 104 | 78 | 58 | 57 | 41 | 40 | 28 | 28 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | on | on | on | on | cross | cross-on | cross-on | cross-on | cross-off | off | cross | on | cross | cross-off | off | cross-off | cross-off | off | glassy | cross-off | off | |
High Tide | 2:30AM1.60m | 1:48PM1.41m | 3:11AM1.68m | 3:05PM1.55m | 3:44AM1.76m | |||||||||||||||||||
Low Tide | 7:06PM0.52m | 8:34AM0.99m | 8:22PM0.52m | 9:20AM0.77m | 9:19PM0.51m | 9:57AM0.56m | ||||||||||||||||||
 |  |  | |  |  | | | | |  |  |  | | | | |  | | | | | | | |
 | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — |
 | 6:49 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | 6:51 |
— | 1 | 2 | 3 | 4 | 3 | 3 | 3 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 19 | 20 | 20 | 20 | 19 | 18 | 17 | 16 | 19 | 23 | 25 |
15 | 16 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 16 | 19 | 17 | 17 | 19 | 19 | 19 | 19 | 20 | 18 | 17 | 16 | 19 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
 kJ | 716 | 780 | 815 | 799 | 963 | 1048 | 1026 | 899 | 805 | 649 | 575 | 455 | 297 | 235 | 165 | 132 | 104 | 78 | 58 | 57 | 41 | 40 | 28 | 28 |
Swell 2 Height (m) Direction Period (s) | — | — | S 6 | S 6 | — | — | — | SW 6 | SE 13 | SE 13 | SE 13 | S 5 | S 6 | S 6 | S 5 | S 5 | SE 12 | S 5 | S 4 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 |
| kJ | — | — | 3 | 3 | — | — | — | 2 | 7 | 7 | 7 | 9 | 15 | 9 | 5 | 5 | 6 | 2 | 2 | 14 | 14 | 14 | 14 | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 6 | S 6 | S 6 | SE 11 | SE 13 | S 6 | NE 5 | SE 12 | SE 12 | SE 12 | ESE 12 | S 4 | — | SE 10 | — | SE 7 |
| kJ | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 5 | 7 | 16 | 1 | 22 | 23 | 6 | 14 | 1 | — | 4 | — | 2 |
Wind waves Height (m) Direction Period (s) | E 9 | — | — | E 10 | E 10 | — | — | — | — | — | ENE 9 | NNE 5 | — | — | — | SSW 5 | S 5 | SSW 5 | — | — | — | SW 4 | SSW 2 | SSW 3 |
| kJ | 982 | — | — | 1325 | 1419 | — | — | — | — | — | 829 | 58 | — | — | — | 9 | 2 | 4 | — | — | — | 1 | 1 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 43 | 46 | 43 | 46 | 46 | 46 | 46 | 2 | 15 | 43 | 7 | 0 | 0 | 2 | 37 | 121 | 0 | 0 | 2 | 2 | 2 | 2 | 5 | 5 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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