Surf Forecasts:
How big are the waves at Uchiumi today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 8ft (2.5m), 9s period with ENE swell.
- Evening surf: Evening surf (18 Sep, local time) - 8ft (2.5m), 10s period with E swell.
The current surf forecast for Uchiumi at 12PM is: 2.3m 8s primary swell from a East-northeast direction and 1.9m 8s secondary swell from a East direction, 0.1m 10s secondary swell from a South direction (forecast issued at 08:00am September 18). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 6.5ft (2.0m) | 8s |
| Afternoon (18 Sep) | 8ft (2.5m) | 9s |
| Evening (18 Sep) | 8ft (2.5m) | 10s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 62mm), heaviest during Fri night. Warm (max 28°C on Sun morning, min 23°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||
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) | E 7 | E 8 | ENE 8 | ENE 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 12 | ESE 15 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | E 13 | E 13 | E 13 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 348 | 509 | 721 | 976 | 1175 | 1449 | 1523 | 1476 | 1403 | 1432 | 1330 | 2154 | 5175 | 4899 | 3834 | 3451 | 3399 | 3193 | 3242 | 3150 | 3267 | 3139 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross | on | on | cross-on | cross |
High Tide | 10:56AM1.65m | 9:22PM1.85m | 1:02PM1.59m | 10:18PM1.71m | 3:05PM1.69m | |||||||||||||||||
Low Tide | 3:56AM0.54m | 3:38PM1.34m | 5:05AM0.65m | 4:58PM1.49m | 6:44AM0.70m | 8:10PM1.48m | ||||||||||||||||
 | | | | |  | | | | | |  | |  |  | | | | | |  | | |
 | 5:58 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:14 | — |
mm | 5 | 5 | 5 | 5 | 5 | 6 | 9 | 10 | 8 | 6 | 3 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 26 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 26 | 28 | 28 | 27 | 25 |
Feels °C | 27 | 26 | 28 | 28 | 27 | 26 | 28 | 28 | 26 | 25 | 25 | 26 | 28 | 27 | 27 | 26 | 26 | 28 | 30 | 29 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 8 | E 8 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 12 | ESE 15 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | E 13 | E 13 | E 13 |
| kJ | 230 | 346 | 501 | 623 | 822 | 998 | 1063 | 1041 | 1041 | 976 | 1100 | 2154 | 5175 | 4899 | 3834 | 3451 | 3399 | 3193 | 3242 | 3150 | 3267 | 3139 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | ESE 14 | ESE 13 | ESE 16 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | 45 | 26 | 2 | 7 | 7 | 6 | 6 | 6 | 6 | 152 | 437 | 1428 | 12 | 13 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | E 15 | S 10 | SE 8 | SSE 8 | SSE 8 | — | — | — | ESE 16 | ESE 20 | ESE 18 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 2 | 3 | 7 | 7 | — | — | — | 26 | 75 | 553 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 7 | E 8 | ENE 8 | ENE 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 11 | — | — | — | — | — | — | — | — | NNE 6 | NNE 7 |
| kJ | 348 | 509 | 721 | 976 | 1175 | 1449 | 1523 | 1476 | 1403 | 1432 | 1330 | 936 | — | — | — | — | — | — | — | — | 225 | 389 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 46 | 236 | 286 | 46 | 299 | 299 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 2 | 2 | 0 | 2 | 14 | 291 | 46 | 2 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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