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Surf Forecasts:
Uchiumi surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 pm Friday 15 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 2AM is: 1.1m 8s primary swell from a East direction and 0.6m 10s secondary swell from a East-southeast direction (forecast issued at 08:00pm May 15). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 3.5ft (1.1m) | 9s |
| Afternoon (16 May) | 3.5ft (1.0m) | 8s |
| Evening (16 May) | 4ft (1.2m) | 9s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sat morning. Warm (max 22°C on Sat afternoon, min 19°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Monday 18 | |||||||||||||||||||||
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 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 9 | E 9 | ESE 9 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | |
281 | 241 | 270 | 262 | 230 | 185 | 185 | 127 | 199 | 230 | 227 | 212 | 212 | 173 | 173 | 173 | 147 | 147 | 147 | 147 | 120 | 123 | 147 | 141 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross | cross-on | on | on | on | glassy | cross-off | cross-off | glassy | glassy | on | cross-on | cross | off | cross-off | glassy | glassy | on | on | on | |
High Tide | 5:45PM1.93m | 5:03AM1.97m | 6:26PM1.96m | 5:34AM1.99m | 7:07PM1.95m | 6:05AM1.99m | ||||||||||||||||||
Low Tide | 11:23PM0.80m | 11:44AM-0.02m | 11:58PM0.86m | 12:20PM-0.08m | 00:34AM0.94m | 12:57PM-0.08m | ||||||||||||||||||
 |  | | | |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | 7:05 |
— | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 21 | 21 | 20 | 20 | 21 | 21 | 22 | 21 | 21 | 20 | 19 | 19 | 21 | 21 | 22 | 22 | 21 | 20 | 19 | 19 | 20 | 21 | 22 |
22 | 21 | 22 | 20 | 20 | 20 | 20 | 21 | 22 | 23 | 21 | 19 | 20 | 22 | 21 | 22 | 23 | 22 | 21 | 20 | 20 | 21 | 21 | 22 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 8 | E 9 | E 9 | E 9 | E 8 | E 9 | E 9 | ESE 9 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 136 | 241 | 246 | 130 | 157 | 185 | 185 | 127 | 199 | 230 | 227 | 212 | 212 | 173 | 173 | 173 | 147 | 147 | 147 | 147 | 120 | 123 | 147 | 141 |
Swell 2 Height (m) Direction Period (s) | E 5 | S 6 | S 6 | ESE 10 | ESE 10 | ESE 10 | SE 10 | ESE 10 | E 15 | S 6 | ESE 9 | ESE 8 | ESE 8 | SE 14 | SE 14 | E 14 | ENE 9 | SE 11 | SE 11 | SE 12 | SE 12 | SE 10 | ESE 10 | ESE 12 |
| kJ | 27 | 1 | 1 | 72 | 57 | 40 | 26 | 58 | 4 | 1 | 99 | 84 | 86 | 7 | 7 | 4 | 62 | 30 | 31 | 34 | 23 | 17 | 10 | 14 |
Swell 3 Height (m) Direction Period (s) | S 7 | E 16 | E 16 | S 6 | S 6 | S 6 | SE 14 | E 15 | S 6 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | ENE 8 | — | — | ESE 10 | ESE 12 | ESE 12 | SE 10 |
| kJ | 4 | 5 | 5 | 1 | 1 | 1 | 8 | 4 | 1 | 32 | 31 | 30 | 30 | 18 | 18 | 18 | 19 | 7 | — | — | 10 | 15 | 14 | 4 |
Wind waves Height (m) Direction Period (s) | E 9 | — | E 9 | E 9 | E 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 281 | — | 270 | 262 | 230 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 46 | 43 | 43 | 43 | 43 | 46 | 332 | 332 | 46 | 0 | 0 | 0 | 0 | 0 | 46 | 46 | 43 | 0 | 0 | 0 | 0 | 43 | 46 | 332 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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