Surf Forecasts:
How big are the waves at Uchiumi today (21 Aug):
- Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.1m), 9s period with SSE swell.
The current surf forecast for Uchiumi at 12AM is: 1.1m 9s primary swell from a South-southeast direction and 0.5m 9s secondary swell from a East direction (forecast issued at 08:00pm August 20). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | - | - |
| Evening (21 Aug) | 3.5ft (1.1m) | 9s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Warm (max 28°C on Fri morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 8 | E 10 | E 10 | E 10 | S 9 | S 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 141 | 180 | 176 | 158 | 169 | 132 | 140 | 137 | 134 | 129 | 106 | 99 | 71 | 70 | 71 | 71 | 76 | 76 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | cross | cross | on | cross-on | cross-on | cross-on | glassy | glassy | on | cross-on | on | cross-on | on | on | glassy |
High Tide | 10:15PM1.88m | 1:15PM1.55m | 11:10PM1.79m | 3:33PM1.65m | ||||||||||||||
Low Tide | 4:11PM1.24m | 5:47AM0.70m | 5:15PM1.43m | 7:22AM0.69m | 7:52PM1.52m | |||||||||||||
 |  | | |  | | | | |  | | | | | | | | | |
 | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 |
Feels °C | 33 | 33 | 33 | 31 | 31 | 31 | 32 | 31 | 32 | 32 | 32 | 32 | 31 | 30 | 31 | 31 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 |
| kJ | 141 | 180 | 176 | 158 | 169 | 132 | 140 | 137 | 134 | 129 | 106 | 99 | 71 | 69 | 69 | 71 | 76 | 76 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 9 | E 7 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 44 | 33 | 37 | 16 | 28 | 28 | 28 | 29 | 28 | 28 | 60 | 29 | 61 | 70 | 71 | 71 | 73 | 71 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | SE 10 | E 16 | ESE 10 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 14 | E 7 | E 14 | E 14 | E 14 | SE 9 | SE 9 | E 14 |
| kJ | 19 | 25 | 5 | 33 | 14 | 14 | 8 | 8 | 8 | 8 | 4 | 8 | 4 | 4 | 16 | 3 | 3 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | E 9 | ENE 7 | — | — | — | — | — | E 6 | — | E 9 | E 9 | E 9 | — |
| kJ | — | — | — | — | — | 56 | 15 | — | — | — | — | — | 11 | — | 55 | 56 | 57 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 46 | 0 | 0 | 2 | 18 | 43 | 332 | 46 | 46 | 0 | 0 | 4 | 43 | 46 | 46 | 314 | 46 | 0 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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