Surf Forecasts:
How big are the waves at Uchiumi today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 3.5ft (1.1m), 10s period with E swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 3.5ft (1.1m), 10s period with E swell.
- Evening surf: Evening surf (17 Aug, local time) - 3.5ft (1.0m), 9s period with E swell.
The current surf forecast for Uchiumi at 3AM is: 1.0m 10s primary swell from a East direction and 0.4m 8s secondary swell from a South-southeast direction (forecast issued at 08:00pm August 16). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 3.5ft (1.1m) | 10s |
| Afternoon (17 Aug) | 3.5ft (1.1m) | 10s |
| Evening (17 Aug) | 3.5ft (1.0m) | 9s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Wed afternoon. Warm (max 29°C on Mon afternoon, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 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 | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | E 10 | E 10 | 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 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 196 | 196 | 192 | 192 | 192 | 228 | 225 | 225 | 173 | 170 | 134 | 132 | 102 | 104 | 102 | 102 | 99 | 97 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | glassy | glassy | glassy | glassy | cross | cross | cross | cross | glassy | glassy | glassy | on | on | on | on | on |
High Tide | 8:14PM2.14m | 8:24AM2.07m | 8:40PM2.10m | 9:08AM1.93m | ||||||||||||||
Low Tide | 2:20AM0.62m | 2:30PM0.63m | 2:58AM0.61m | 3:01PM0.83m | ||||||||||||||
 |  | |  |  | | | | |  | | | | | | | | | |
 | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 28 | 27 | 27 | 26 | 25 | 27 | 28 | 29 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 |
Feels °C | 32 | 31 | 32 | 30 | 29 | 32 | 31 | 32 | 31 | 31 | 32 | 32 | 31 | 31 | 31 | 31 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | 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 9 | E 9 | E 9 | E 9 |
| kJ | 196 | 196 | 192 | 192 | 192 | 228 | 225 | 225 | 173 | 170 | 134 | 132 | 102 | 104 | 102 | 102 | 99 | 97 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | S 8 | S 8 | S 8 | SSE 4 | S 8 | S 8 | SSE 5 | SSE 5 | SSE 5 | S 7 | SSE 6 | SSE 6 | SSE 6 |
| kJ | 34 | 33 | 31 | 20 | 20 | 19 | 18 | 18 | 4 | 10 | 29 | 7 | 8 | 8 | 25 | 13 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | S 8 | SE 11 | SE 11 | ESE 11 | ESE 11 | S 7 | SE 11 | SE 10 | SE 10 | SW 10 |
| kJ | 5 | 19 | 19 | 31 | 31 | 31 | 30 | 30 | 10 | 30 | 30 | 12 | 23 | 4 | 18 | 17 | 17 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSE 4 | — | — | SSE 5 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 5 | — | — | 7 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 299 | 13 | 0 | 0 | 0 | 0 | 703 | 361 | 46 | 4 | 0 | 0 | 0 | 46 | 46 | 804 | 46 | 46 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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