Surf Forecasts:
How big are the waves at Uchiumi today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 4ft (1.2m), 9s period with E swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.4m), 7s period with E swell.
- Evening surf: Evening surf (17 Sep, local time) - 5ft (1.5m), 7s period with E swell.
The current surf forecast for Uchiumi at 1AM is: 0.9m 9s primary swell from a East-southeast direction and 0.5m 13s secondary swell from a East direction, 0.7m 5s secondary swell from a East-northeast direction (forecast issued at 08:00pm September 16). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 4ft (1.2m) | 9s |
| Afternoon (17 Sep) | 4.5ft (1.4m) | 7s |
| Evening (17 Sep) | 5ft (1.5m) | 7s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 82mm), heaviest during Fri night. Warm (max 26°C on Sat afternoon, min 23°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | ||||||||||||||||
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 9 | E 9 | E 9 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 9 | E 9 | E 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 143 | 140 | 137 | 111 | 184 | 214 | 163 | 168 | 178 | 218 | 172 | 142 | 189 | 320 | 719 | 899 | 1163 | 1225 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | on | on | on | cross-on | on | on | on |
High Tide | 8:20PM2.06m | 9:44AM1.80m | 8:48PM1.96m | 10:56AM1.65m | ||||||||||||||
Low Tide | 3:06AM0.45m | 3:00PM1.17m | 3:56AM0.54m | 3:38PM1.34m | ||||||||||||||
 |  | |  |  | | | |  | | | | | | | |  |  | |
 | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — |
mm | 3 | 3 | 1 | 1 | — | 1 | 3 | 2 | 3 | 4 | 4 | 4 | 4 | 4 | 8 | 7 | 5 | 15 |
Temp °C | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 |
Feels °C | 26 | 27 | 26 | 24 | 24 | 26 | 25 | 26 | 25 | 26 | 25 | 27 | 26 | 26 | 26 | 27 | 27 | 25 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 13 | E 13 | E 13 | E 12 | E 7 | E 7 | E 7 | E 12 | E 12 | E 8 | E 8 | E 9 | E 9 |
| kJ | 143 | 140 | 137 | 111 | 184 | 83 | 82 | 78 | 46 | 194 | 172 | 142 | 44 | 44 | 454 | 568 | 769 | 897 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | — | SE 9 | E 16 | E 12 | E 12 | E 12 | E 15 | S 10 | S 10 | S 9 | S 9 | S 9 |
| kJ | 51 | 85 | 84 | 84 | 84 | 166 | — | 3 | 5 | 45 | 44 | 44 | 4 | 2 | 2 | 7 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | E 14 | S 7 | S 7 | S 6 | — | — | — | — | E 16 | E 16 | SE 8 | SE 9 | S 10 | S 10 | SE 8 | SE 8 | SSE 8 | — |
| kJ | 66 | 1 | 1 | 1 | — | — | — | — | 5 | 5 | 3 | 3 | 2 | 2 | 3 | 3 | 7 | — |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 5 | ENE 5 | ENE 5 | NE 5 | E 9 | E 6 | E 7 | E 7 | E 7 | ENE 7 | ENE 6 | E 7 | E 8 | E 8 | E 9 | E 9 | E 10 |
| kJ | 18 | 23 | 23 | 37 | 51 | 214 | 163 | 168 | 178 | 218 | 137 | 121 | 189 | 320 | 719 | 899 | 1163 | 1225 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 46 | 43 | 43 | 43 | 43 | 46 | 46 | 299 | 46 | 53 | 43 | 46 | 46 | 46 | 299 | 46 | 286 | 79 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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