Surf Forecasts:
How big are the waves at Uchiumi today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 11ft (3.5m), 14s period with ESE swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 11ft (3.5m), 13s period with E swell.
- Evening surf: Evening surf (20 Sep, local time) - 11ft (3.5m), 13s period with E swell.
The current surf forecast for Uchiumi at 4PM is: 3.5m 13s primary swell from a East direction (forecast issued at 08:00am September 20). An open ocean swell of 1.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 11ft (3.5m) | 14s |
| Afternoon (20 Sep) | 11ft (3.5m) | 13s |
| Evening (20 Sep) | 11ft (3.5m) | 13s |
Table - waves today at Uchiumi. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Sun morning, min 22°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the NNE by Tue afternoon). | ||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||
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) | ESE 14 | ESE 14 | ESE 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | ENE 11 | ENE 11 | E 11 | E 10 | NE 6 | NE 6 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 5227 | 4675 | 4538 | 4947 | 4620 | 4011 | 3635 | 3317 | 3090 | 2563 | 1985 | 1827 | 1344 | 955 | 773 | 594 | 486 | 423 | 223 | 130 | 113 | 100 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross | glassy | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | glassy | cross-off | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:05PM1.69m | 00:29AM1.62m | 3:54PM1.81m | 2:29AM1.69m | 4:26PM1.92m | |||||||||||||||||
Low Tide | 6:44AM0.70m | 8:10PM1.48m | 8:20AM0.65m | 9:31PM1.32m | 9:26AM0.56m | |||||||||||||||||
 |  | | | | | | | | | | | |  | |  | |  | | | | | |
 | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 29 | 29 | 28 | 26 | 25 | 24 | 23 | 26 | 27 | 27 | 27 | 26 | 25 | 24 | 23 | 24 | 26 | 27 | 26 | 25 |
Feels °C | 26 | 27 | 30 | 29 | 28 | 28 | 28 | 26 | 25 | 28 | 29 | 28 | 30 | 30 | 28 | 26 | 25 | 25 | 25 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | ESE 14 | ESE 14 | ESE 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | ENE 11 | ENE 11 | E 11 | E 10 | E 10 | E 10 |
| kJ | 5227 | 4675 | 4538 | 4947 | 4620 | 4011 | 3635 | 3317 | 3090 | 2563 | 1985 | 1827 | 1344 | 955 | 773 | 594 | 486 | 423 | 223 | 130 | 94 | 68 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | — | S 9 | S 9 | S 9 | S 9 | S 9 | NNE 7 | NNE 7 | NNE 7 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 6 | 6 | 6 | — | 6 | 6 | 6 | 6 | 6 | 121 | 132 | 110 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | S 9 | S 8 | S 8 | S 8 | — | — | — | — | — | — | SE 10 | SE 9 | SE 9 |
| kJ | — | — | — | — | — | — | — | — | — | 6 | 6 | 6 | 6 | — | — | — | — | — | — | 4 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNE 6 | NNE 6 | NNE 7 | — | — | — | — | — | — | — | NNE 7 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | NE 6 | NE 6 | NE 6 | NE 6 |
| kJ | — | — | — | 288 | 230 | 181 | — | — | — | — | — | — | — | 125 | 154 | 117 | 145 | 197 | 46 | 93 | 113 | 100 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 46 | 2 | 46 | 46 | 46 | 46 | 0 | 0 | 0 | 0 | 498 | 291 | 43 | 0 | 0 | 15 | 7 | 15 | 286 | 286 | 701 | 328 |
Best forecast wave conditions in Kyu Shu | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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