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Surf Forecasts:
Uchiumi surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 pm Thursday 23 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 8PM is: 1.1m 7s primary swell from a South direction and 0.6m 10s secondary swell from a East direction, 0.6m 5s secondary swell from a Northeast direction (forecast issued at 02:00pm April 23). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | - | - |
| Afternoon (23 Apr) | 4.5ft (1.3m) | 7s |
| Evening (23 Apr) | 3.5ft (1.0m) | 7s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 31mm), heaviest during Sun morning. Very mild (max 18°C on Sat night, min 15°C on Fri morning). Winds increasing (light winds from the NNE on Thu night, fresh winds from the NNE by Sun morning). | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 7 | SSE 7 | S 7 | S 7 | NNE 6 | SSE 7 | SE 13 | E 10 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | |
239 | 191 | 155 | 100 | 96 | 62 | 47 | 51 | 127 | 362 | 546 | 734 | 759 | 808 | 791 | 808 | 900 | 1199 | 1614 | 1618 | 1732 | 1616 | 1773 | 1209 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | 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 | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | |
High Tide | 11:57PM1.49m | 9:44AM1.46m | 1:29AM1.52m | 11:46AM1.36m | 2:30AM1.60m | |||||||||||||||||||
Low Tide | 4:15PM0.33m | 4:54AM1.23m | 5:35PM0.46m | 7:12AM1.17m | 7:06PM0.52m | 8:34AM0.99m | ||||||||||||||||||
 |  | |  |  | | | | | | | | | | | | | | | |  | | | | |
 | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — |
 | — | — | 6:46 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | 6:50 |
— | 1 | 2 | 1 | — | 1 | — | — | — | 1 | 1 | 1 | 3 | 1 | — | — | — | — | — | 3 | 4 | 2 | 2 | 5 | |
Temp °C | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 17 |
18 | 17 | 15 | 15 | 15 | 15 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 15 | 15 | 14 | 14 | 13 | |
Swell 1 Height (m) Direction Period (s) | S 7 | SSE 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 6 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
 kJ | 239 | 191 | 155 | 100 | 79 | 62 | 47 | 43 | 31 | 167 | 273 | 394 | 459 | 524 | 542 | 554 | 637 | 821 | 958 | 1115 | 1307 | 1307 | 1209 | 1209 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | NE 6 | E 10 | E 9 | E 10 | ESE 12 | S 6 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | — | — | — | — | — | — |
| kJ | 100 | 98 | 65 | 65 | 26 | 45 | 43 | 45 | 28 | 21 | 9 | 13 | 8 | 8 | 8 | 4 | 3 | 3 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NE 4 | ESE 13 | ESE 13 | ESE 13 | E 10 | SE 13 | SE 13 | ESE 12 | E 10 | ESE 12 | ESE 12 | ESE 12 | SW 7 | SW 7 | SW 7 | E 15 | — | — | — | — | — | — | — | — |
| kJ | 5 | 34 | 67 | 66 | 45 | 42 | 41 | 29 | 17 | 29 | 28 | 14 | 2 | 2 | 2 | 4 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | NE 5 | NE 5 | NE 6 | NNE 6 | NE 6 | NE 6 | NE 6 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | — |
| kJ | 20 | 8 | 14 | 36 | 96 | 26 | 39 | 51 | 127 | 362 | 546 | 734 | 759 | 808 | 791 | 808 | 900 | 1199 | 1614 | 1618 | 1732 | 1616 | 1773 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 37 | 43 | 43 | 43 | 43 | 46 | 43 | 43 | 43 | 53 | 43 | 43 | 43 | 43 | 53 | 43 | 43 | 46 | 46 | 46 | 46 | 46 | 286 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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