Surf Forecasts:
How big are the waves at Uchiumi today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 3ft (0.9m), 9s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 3ft (0.9m), 9s period with SSE swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.8m), 9s period with SSE swell.
The current surf forecast for Uchiumi at 12PM is: 0.9m 9s primary swell from a South-southeast direction and 0.4m 9s secondary swell from a East-southeast direction (forecast issued at 08:00am August 21). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 3ft (0.9m) | 9s |
| Afternoon (21 Aug) | 3ft (0.9m) | 9s |
| Evening (21 Aug) | 2.5ft (0.8m) | 9s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Sat night. Warm (max 28°C on Fri morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||
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) | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 169 | 140 | 132 | 129 | 129 | 103 | 106 | 99 | 73 | 70 | 70 | 72 | 71 | 71 | 73 | 51 | 71 | 71 | 73 | 78 | 108 | 108 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-on | glassy | glassy | glassy | cross-on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 1:15PM1.55m | 11:10PM1.79m | 3:33PM1.65m | 00:50AM1.73m | 4:30PM1.80m | |||||||||||||||||
Low Tide | 5:47AM0.70m | 5:15PM1.43m | 7:22AM0.69m | 7:52PM1.52m | 8:50AM0.59m | |||||||||||||||||
 | | | | |  | | |  | | | | |  |  | | |  | | | | | |
 | 5:41 | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 1 | — | — | — |
Temp °C | 26 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 31 | 33 | 31 | 31 | 32 | 32 | 33 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 31 | 30 | 30 | 31 | 31 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 9 | S 8 | S 8 | SSE 8 | E 10 | E 10 | E 10 | S 8 | E 10 | E 10 | E 10 | ESE 6 | E 10 | E 10 |
| kJ | 169 | 140 | 132 | 129 | 129 | 103 | 106 | 99 | 73 | 69 | 68 | 72 | 71 | 71 | 73 | 34 | 71 | 71 | 73 | 27 | 108 | 108 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 9 | ESE 9 | E 9 | ESE 9 | E 9 | E 10 | E 10 | E 10 | S 8 | S 8 | S 8 | E 10 | S 8 | S 8 | S 8 | E 10 | ESE 6 | ESE 5 |
| kJ | 28 | 28 | 28 | 63 | 28 | 28 | 42 | 29 | 63 | 70 | 70 | 70 | 50 | 50 | 50 | 51 | 33 | 34 | 34 | 78 | 27 | 19 |
Swell 3 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 14 | E 7 | E 7 | E 14 | E 7 | E 14 | E 14 | E 14 | SE 9 | SE 9 | E 14 | E 14 | E 14 | ESE 4 | E 13 | ESE 14 | S 8 | ESE 13 | ESE 13 |
| kJ | 14 | 14 | 14 | 4 | 8 | 8 | 4 | 8 | 4 | 4 | 16 | 3 | 3 | 15 | 15 | 33 | 7 | 29 | 19 | 22 | 69 | 67 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 6 | E 6 | E 9 | — | — | — | E 4 | ESE 4 | — | ESE 5 | ESE 5 | — | — | ESE 5 |
| kJ | — | — | — | — | — | — | — | — | 11 | 11 | 55 | — | — | — | 8 | 9 | — | 15 | 26 | — | — | 22 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 43 | 43 | 314 | 46 | 46 | 0 | 0 | 0 | 43 | 46 | 46 | 314 | 46 | 43 | 43 | 43 | 15 | 46 | 314 | 314 | 46 | 43 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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