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Surf Forecasts:
Uchiumi surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Sunday 17 May 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
22.2° C
(Which is slightly cooler than normal)How big are the waves at Uchiumi today?
The current surf forecast for Uchiumi at 11PM is: 1.0m 8s primary swell from a East direction and 0.4m 11s secondary swell from a Southeast direction (forecast issued at 08:00pm May 17). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | - | - |
| Afternoon (17 May) | - | - |
| Evening (17 May) | 3.5ft (1.0m) | 8s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Tue afternoon. Warm (max 23°C on Mon afternoon, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wednesday 20 | |||||||||||||||||||||
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 8 | E 8 | E 8 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SSE 8 | SE 8 | ESE 10 | ESE 10 | ESE 10 | |
147 | 147 | 147 | 123 | 120 | 123 | 135 | 138 | 138 | 110 | 141 | 113 | 113 | 110 | 160 | 273 | 365 | 528 | 611 | 527 | 364 | 276 | 240 | 240 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | off | off | glassy | cross-off | on | on | on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | |
High Tide | 7:07PM1.95m | 6:05AM1.99m | 7:49PM1.91m | 6:37AM1.95m | 8:33PM1.85m | 7:13AM1.89m | ||||||||||||||||||
Low Tide | 00:34AM0.94m | 12:57PM-0.08m | 1:10AM1.01m | 1:36PM-0.04m | 1:49AM1.08m | 2:17PM0.06m | ||||||||||||||||||
 |  | | | | | | | | | |  |  |  |  | | |  | |  | | | | | |
 | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — |
 | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | 7:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 5 | 2 | 1 | — | — | — | — | — | |
Temp °C | 23 | 22 | 20 | 20 | 19 | 21 | 21 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 20 | 20 | 20 | 21 | 20 | 20 | 20 | 21 | 22 | 23 |
24 | 23 | 20 | 21 | 19 | 21 | 21 | 22 | 23 | 23 | 21 | 21 | 20 | 20 | 19 | 19 | 18 | 21 | 19 | 20 | 19 | 21 | 23 | 25 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 |
 kJ | 147 | 147 | 147 | 123 | 120 | 123 | 135 | 138 | 138 | 110 | 141 | 113 | 73 | 100 | 149 | 167 | 255 | 239 | 354 | 481 | 364 | 264 | 212 | 149 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | SE 11 | SE 11 | SE 12 | SE 12 | SE 10 | SE 10 | SE 10 | ESE 12 | SE 5 | SE 5 | SE 6 | E 9 | E 9 | ESE 10 | E 8 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 57 | 30 | 31 | 34 | 23 | 17 | 17 | 16 | 14 | 11 | 21 | 36 | 113 | 110 | 160 | 173 | 115 | 140 | 121 | 140 | 131 | 276 | 240 | 240 |
Swell 3 Height (m) Direction Period (s) | SE 11 | ENE 8 | — | — | ESE 10 | ESE 12 | ESE 12 | ESE 12 | ESE 10 | — | — | — | — | — | — | E 8 | E 8 | E 8 | — | — | — | — | NNE 4 | NNE 4 |
| kJ | 19 | 7 | — | — | 10 | 15 | 14 | 14 | 10 | — | — | — | — | — | — | 37 | 34 | 35 | — | — | — | — | 9 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | ESE 4 | — | — | — | — | — | — | SE 7 | SE 7 | SE 8 | SE 8 | SSE 8 | — | NNE 3 | — | — |
| kJ | — | — | — | — | — | — | — | — | 12 | — | — | — | — | — | — | 273 | 365 | 528 | 611 | 527 | — | 7 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 0 | 0 | 0 | 0 | 46 | 696 | 332 | 46 | 43 | 43 | 43 | 43 | 328 | 46 | 43 | 46 | 43 | 46 | 43 | 43 | 18 | 46 | 46 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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