Surf Forecasts:
How big are the waves at Uchiumi today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 4.5ft (1.4m), 9s period with ESE swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 5.5ft (1.7m), 12s period with ESE swell.
- Evening surf: Evening surf (20 Oct, local time) - 6ft (1.8m), 13s period with SE swell.
The current surf forecast for Uchiumi at 2PM is: 1.7m 12s primary swell from a East-southeast direction and 0.8m 15s secondary swell from a Southeast direction (forecast issued at 08:00am October 20). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 4.5ft (1.4m) | 9s |
| Afternoon (20 Oct) | 5.5ft (1.7m) | 12s |
| Evening (20 Oct) | 6ft (1.8m) | 13s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Wed afternoon, min 18°C on Thu morning). Winds increasing (light winds from the NE on Wed night, fresh winds from the NNE by Thu afternoon). | ||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||
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) | ESE 9 | ESE 9 | ESE 9 | ESE 12 | SE 14 | SE 13 | SE 13 | SE 16 | SE 15 | SE 15 | SE 16 | SE 16 | SE 15 | SE 16 | SE 16 | SE 15 | SE 15 | SE 15 | SSE 15 | SSE 16 | SSE 15 | SSE 15 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 318 | 340 | 340 | 802 | 1387 | 1094 | 1094 | 2028 | 1661 | 1985 | 2668 | 2421 | 2688 | 4402 | 3976 | 3456 | 3135 | 2963 | 3371 | 3460 | 2598 | 2441 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross | cross-off | cross-off | off | off | off | off | off | off | off | cross | on | off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:53PM1.78m | 2:13AM1.61m | 3:30PM1.86m | 3:22AM1.75m | 4:01PM1.94m | |||||||||||||||||
Low Tide | 7:35AM0.68m | 8:54PM1.13m | 8:45AM0.65m | 9:36PM0.91m | 9:37AM0.63m | |||||||||||||||||
 |  | |  | | | | | | | | | |  | |  | | | | | | | |
 | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — |
 | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:36 | — | — | — | — | — | — | — | 5:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 28 | 28 | 27 | 25 | 24 | 23 | 23 | 25 | 29 | 30 | 24 | 22 | 21 | 20 | 19 | 18 | 19 | 19 | 19 | 19 |
Feels °C | 27 | 28 | 30 | 28 | 28 | 28 | 26 | 25 | 25 | 27 | 29 | 29 | 24 | 24 | 23 | 20 | 18 | 15 | 15 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 12 | SE 14 | SE 13 | SE 13 | SE 16 | SE 15 | SE 15 | SE 16 | SE 16 | SE 15 | SE 16 | SE 16 | SE 15 | SE 15 | SE 15 | SSE 15 | SSE 16 | SSE 15 | SSE 15 |
| kJ | 318 | 340 | 340 | 802 | 1387 | 1094 | 1094 | 2028 | 1661 | 1985 | 2668 | 2421 | 2688 | 4402 | 3976 | 3456 | 3135 | 2963 | 3371 | 3460 | 2598 | 2441 |
Swell 2 Height (m) Direction Period (s) | SE 14 | SE 16 | SE 13 | SE 15 | SE 19 | SE 18 | SE 17 | SE 12 | E 10 | E 10 | E 10 | SSE 20 | SSE 19 | SSE 18 | E 9 | NE 6 | NE 6 | S 17 | — | ESE 9 | ESE 9 | ESE 9 |
| kJ | 91 | 203 | 234 | 255 | 281 | 444 | 459 | 678 | 120 | 96 | 96 | 1183 | 1261 | 1938 | 60 | 40 | 45 | 1837 | — | 65 | 94 | 119 |
Swell 3 Height (m) Direction Period (s) | SE 18 | SE 13 | SE 16 | SE 19 | — | — | — | E 10 | E 9 | — | — | E 10 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | — | — | — | — |
| kJ | 111 | 85 | 201 | 96 | — | — | — | 92 | 136 | — | — | 75 | 81 | 88 | 86 | 86 | 65 | 86 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 3 | — | — | — | — | — | — | — | — | NE 5 | NNE 6 | NNE 6 | NNE 6 | NE 6 | NE 7 | NE 7 | NE 7 | NE 6 |
| kJ | — | — | — | — | 7 | — | — | — | — | — | — | — | — | 49 | 120 | 155 | 200 | 103 | 109 | 138 | 176 | 126 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 15 | 121 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 5 | 0 | 2 | 46 | 46 | 46 | 205 | 205 | 79 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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