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Surf Forecasts:
Uchiumi surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Friday 24 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
21.6° C
(Which is normal for this time of year)How big are the waves at Uchiumi today?
The current surf forecast for Uchiumi at 6AM is: 0.7m 7s primary swell from a South direction and 0.5m 10s secondary swell from a East direction, 0.8m 6s secondary swell from a Northeast direction (forecast issued at 02:00am April 24). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 2.5ft (0.8m) | 6s |
| Afternoon (24 Apr) | 6ft (1.9m) | 7s |
| Evening (24 Apr) | 7ft (2.1m) | 8s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 35mm), heaviest during Sat night. Very mild (max 19°C on Sat night, min 15°C on Fri morning). Winds decreasing (fresh winds from the NNE on Sat afternoon, light winds from the NNW by Sun night). | ||||||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 7 | NNE 6 | SE 13 | NE 6 | NE 7 | NE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 9 | ENE 9 | |
77 | 164 | 44 | 51 | 284 | 383 | 493 | 527 | 604 | 485 | 740 | 755 | 1188 | 1411 | 1819 | 1591 | 2223 | 2284 | 1849 | 1737 | 1601 | 1691 | 1509 | 1242 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 11:57PM1.49m | 9:44AM1.46m | 1:29AM1.52m | 11:46AM1.36m | 2:30AM1.60m | 1:48PM1.41m | ||||||||||||||||||
Low Tide | 4:54AM1.23m | 5:35PM0.46m | 7:12AM1.17m | 7:06PM0.52m | 8:34AM0.99m | 8:22PM0.52m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | | | | |  | | | |  | |
 | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:50 | — |
1 | — | — | — | 1 | — | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 5 | 4 | 2 | 1 | 3 | 3 | 1 | 1 | — | |
Temp °C | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 18 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 |
15 | 14 | 12 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 12 | 12 | 11 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 13 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | E 8 | SSE 6 | E 8 | E 8 | E 9 | E 9 | E 9 | — | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 |
 kJ | 77 | 59 | 44 | 33 | 144 | 163 | 280 | 333 | 383 | 8 | 500 | 517 | 758 | 935 | 1265 | — | 1747 | 1633 | 1418 | 1307 | 1179 | 1249 | 1173 | 958 |
Swell 2 Height (m) Direction Period (s) | E 10 | NE 6 | E 10 | E 8 | S 7 | S 6 | SSE 6 | SSE 6 | SSE 6 | ESE 12 | SSE 6 | SSE 6 | S 6 | S 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | 45 | 45 | 44 | 30 | 32 | 21 | 14 | 13 | 13 | 14 | 8 | 4 | 3 | 3 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 13 | E 10 | SE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | SW 7 | SW 7 | E 15 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 44 | 45 | 41 | 29 | 28 | 28 | 28 | 14 | 14 | 2 | 2 | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 6 | NNE 6 | NE 6 | NE 6 | NE 7 | NE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 9 | ENE 9 |
| kJ | 45 | 164 | 43 | 51 | 284 | 383 | 493 | 527 | 604 | 485 | 740 | 755 | 1188 | 1411 | 1819 | 1591 | 2223 | 2284 | 1849 | 1737 | 1601 | 1691 | 1509 | 1242 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 53 | 53 | 68 | 73 | 236 | 286 | 46 | 46 | 46 | 79 | 73 | 56 | 43 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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