Surf Forecasts:
How big are the waves at Uchiumi today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 13ft (4.0m), 16s period with SE swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 11ft (3.5m), 14s period with SE swell.
- Evening surf: Evening surf (25 Aug, local time) - 11ft (3.5m), 13s period with SE swell.
The current surf forecast for Uchiumi at 8AM is: 3.5m 16s primary swell from a Southeast direction and 3.0m 17s secondary swell from a South-southeast direction (forecast issued at 02:00am August 25). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 13ft (4.0m) | 16s |
| Afternoon (25 Aug) | 11ft (3.5m) | 14s |
| Evening (25 Aug) | 11ft (3.5m) | 13s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 78mm), heaviest during Tue night. Warm (max 29°C on Tue afternoon, min 27°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 16 | SE 16 | SE 16 | SE 16 | SE 15 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 12 | SSE 12 | SE 11 | SSE 10 | SE 9 | SSE 10 | SE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SSE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 4451 | 5738 | 6365 | 6906 | 6527 | 5713 | 4788 | 4117 | 4082 | 3741 | 3233 | 1794 | 2373 | 1870 | 736 | 1243 | 727 | 595 | 567 | 469 | 612 | 388 | 322 | 291 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross-on | cross-on | cross | cross-off | cross-off | cross-off |
High Tide | 3:44AM1.89m | 5:34PM2.03m | 4:36AM2.02m | 6:00PM2.11m | 5:21AM2.13m | 6:25PM2.16m | ||||||||||||||||||
Low Tide | 10:31PM1.29m | 10:39AM0.34m | 11:08PM1.13m | 11:19AM0.27m | 11:41PM0.97m | 11:55AM0.25m | ||||||||||||||||||
 | |  |  |  | |  |  | | | | | | | | | | | | |  | | |  | |
 | — | 5:43 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — |
mm | — | — | — | — | — | — | 2 | 4 | 7 | 7 | 6 | 5 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 5 | 6 | 3 | — | — |
Temp °C | 27 | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 28 | 27 |
Feels °C | 30 | 30 | 30 | 30 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 31 | 32 | 32 | 34 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SE 16 | SE 16 | SE 16 | SE 16 | SE 15 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 12 | SSE 12 | SE 11 | SSE 10 | SE 9 | SE 9 | SE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SSE 8 | SE 8 |
| kJ | 4451 | 5738 | 6365 | 6906 | 6527 | 5713 | 4788 | 4117 | 4082 | 3741 | 3233 | 1794 | 1903 | 803 | 537 | 654 | 727 | 595 | 567 | 469 | 447 | 388 | 322 | 291 |
Swell 2 Height (m) Direction Period (s) | SE 6 | ESE 7 | E 12 | SSE 17 | E 12 | E 12 | E 12 | E 15 | E 15 | E 14 | E 14 | ESE 10 | E 13 | ESE 9 | S 10 | S 10 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 |
| kJ | 46 | 68 | 44 | 4155 | 100 | 44 | 69 | 17 | 67 | 100 | 94 | 574 | 85 | 486 | 608 | 284 | 85 | 119 | 108 | 104 | 103 | 101 | 71 | 70 |
Swell 3 Height (m) Direction Period (s) | E 16 | E 12 | ENE 9 | ENE 9 | ENE 9 | E 15 | E 15 | ENE 11 | ENE 11 | — | ENE 11 | E 14 | E 11 | E 13 | E 13 | E 13 | E 18 | E 18 | E 18 | E 16 | E 16 | E 16 | E 16 | E 15 |
| kJ | 21 | 103 | 28 | 16 | 16 | 69 | 68 | 43 | 40 | — | 23 | 93 | 37 | 85 | 84 | 86 | 6 | 6 | 6 | 5 | 20 | 20 | 20 | 17 |
Wind waves Height (m) Direction Period (s) | E 12 | — | — | — | — | — | — | — | — | — | ESE 10 | — | SSE 11 | SSE 10 | SE 9 | SSE 10 | SE 8 | — | — | — | SSE 8 | — | — | — |
| kJ | 342 | — | — | — | — | — | — | — | — | — | 655 | — | 2373 | 1870 | 736 | 1243 | 413 | — | — | — | 612 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 46 | 46 | 46 | 46 | 314 | 314 | 46 | 291 | 291 | 205 | 205 | 314 | 205 | 314 | 205 | 205 | 286 | 286 | 53 | 286 | 332 | 0 | 4 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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