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 (1.0m), 10s period with E swell.
- Evening surf: Evening surf (17 Aug, local time) - 3ft (0.9m), 9s period with E swell.
The current surf forecast for Uchiumi at 5PM is: 1.0m 10s primary swell from a East direction and 0.3m 8s secondary swell from a South direction (forecast issued at 08:00am August 17). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 3.5ft (1.1m) | 10s |
| Afternoon (17 Aug) | 3.5ft (1.0m) | 10s |
| Evening (17 Aug) | 3ft (0.9m) | 9s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Wed morning. Warm (max 29°C on Mon afternoon, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | 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 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 192 | 230 | 225 | 184 | 173 | 137 | 134 | 104 | 102 | 104 | 102 | 102 | 99 | 95 | 93 | 115 | 140 | 116 | 116 | 113 | 107 | 161 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross | cross | cross-off | cross-off | cross | glassy | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:24AM2.07m | 8:40PM2.10m | 9:08AM1.93m | 9:08PM2.04m | 10:00AM1.78m | |||||||||||||||||
Low Tide | 2:30PM0.63m | 2:58AM0.61m | 3:01PM0.83m | 3:41AM0.63m | 3:33PM1.04m | |||||||||||||||||
 |  | | | |  |  | |  | | | | | |  | |  | | | | | | |
 | 5:39 | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — |
mm | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 3 | 1 | 1 | 1 | 1 |
Temp °C | 26 | 28 | 28 | 29 | 28 | 27 | 27 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 31 | 31 | 30 | 30 | 31 | 30 | 31 | 30 | 32 | 31 | 30 | 31 | 32 | 31 | 31 | 32 | 30 | 31 | 31 | 31 | 32 | 33 |
Swell 1 Height (m) Direction Period (s) | 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 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 192 | 230 | 225 | 184 | 173 | 137 | 134 | 104 | 102 | 104 | 102 | 102 | 99 | 95 | 93 | 115 | 116 | 116 | 116 | 113 | 107 | 104 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | S 8 | S 8 | S 8 | S 8 | SSE 5 | S 8 | SSE 5 | S 7 | SSE 5 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 8 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 |
| kJ | 20 | 19 | 18 | 10 | 10 | 7 | 29 | 8 | 28 | 9 | 17 | 15 | 13 | 12 | 12 | 22 | 7 | 8 | 9 | 11 | 9 | 11 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | S 8 | SE 11 | ESE 11 | ESE 11 | S 7 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | S 8 | S 7 | S 7 | S 7 | ESE 10 | ESE 10 |
| kJ | 31 | 31 | 30 | 30 | 30 | 10 | 30 | 12 | 23 | 4 | 18 | 17 | 27 | 17 | 27 | 27 | 4 | 4 | 4 | 4 | 20 | 20 |
Wind waves Height (m) Direction Period (s) | — | SSE 4 | S 4 | S 4 | SSE 4 | — | S 8 | S 5 | — | — | — | — | — | — | SSE 8 | SE 4 | E 8 | E 8 | E 8 | E 8 | — | E 8 |
| kJ | — | 4 | 9 | 9 | 7 | — | 40 | 14 | — | — | — | — | — | — | 37 | 12 | 140 | 113 | 113 | 111 | — | 161 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 332 | 332 | 705 | 0 | 0 | 5 | 0 | 43 | 703 | 46 | 46 | 43 | 43 | 43 | 43 | 286 | 361 | 332 | 46 | 43 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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