Surf Forecasts:
How big are the waves at Aha Rivermouth today (26 Aug):
- Afternoon surf: Afternoon surf (26 Aug, local time) - 2.5ft (0.8m), 9s period with E swell.
- Evening surf: Evening surf (26 Aug, local time) - 2.5ft (0.7m), 8s period with E swell.
The current surf forecast for Aha Rivermouth at 6PM is: 0.7m 8s primary swell from a East direction (forecast issued at 02:00pm August 26). An open ocean swell of 1.8m 9s is not directed at the surf break, a second open ocean swell of 2.3m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Aug) | - | - |
| Afternoon (26 Aug) | 2.5ft (0.8m) | 9s |
| Evening (26 Aug) | 2.5ft (0.7m) | 8s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Wed afternoon. Warm (max 29°C on Thu morning, min 27°C on Fri night). Winds decreasing (strong winds from the SSW on Wed afternoon, moderate winds from the S by Thu morning). | ||||||||||||||||||||
Wed 26 | Thursday 27 | Friday 28 | ||||||||||||||||||
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 9 | E 9 | ENE 14 | E 8 | E 13 | E 13 | E 13 | E 13 | E 13 | E 7 | E 8 | SE 8 | SE 7 | SE 7 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 7 | ESE 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 137 | 102 | 71 | 64 | 89 | 87 | 86 | 85 | 84 | 70 | 72 | 200 | 160 | 212 | 156 | 141 | 128 | 141 | 145 | 160 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross |
High Tide | 6:39PM1.83m | 5:58AM1.87m | 6:59PM1.90m | 6:33AM1.97m | 7:20PM1.96m | |||||||||||||||
Low Tide | 12:02PM0.43m | 00:18AM0.96m | 12:31PM0.36m | 00:44AM0.82m | 1:00PM0.33m | |||||||||||||||
 | |  |  | | | | | | | |  |  | | |  | | | | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — |
mm | 3 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 24 | 25 | 27 | 27 | 28 | 29 | 29 | 30 | 30 | 31 | 30 | 30 | 29 | 29 | 30 | 29 | 29 | 29 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | W 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | W 9 | W 9 | W 9 | W 9 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | W 10 | W 9 | W 9 | W 8 |
| kJ | 683 | 488 | 499 | 484 | 442 | 505 | 481 | 416 | 450 | 584 | 648 | 477 | 410 | 418 | 377 | 296 | 196 | 108 | 73 | 51 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 8 | ENE 12 | SSW 6 | ENE 12 | ENE 12 | SW 9 | SW 9 | SW 9 | SW 8 | SW 9 |
| kJ | 137 | 102 | 71 | 64 | 61 | 57 | 55 | 54 | 54 | 70 | 72 | 49 | 21 | 47 | 47 | 28 | 38 | 36 | 25 | 26 |
Swell 3 Height (m) Direction Period (s) | E 14 | ENE 14 | ENE 14 | ENE 13 | E 13 | E 13 | E 13 | E 13 | E 13 | ENE 12 | SE 8 | E 16 | ENE 12 | SW 9 | SW 9 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 |
| kJ | 37 | 37 | 61 | 35 | 89 | 87 | 86 | 85 | 84 | 51 | 24 | 5 | 48 | 20 | 29 | 46 | 46 | 46 | 26 | 25 |
Wind waves Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 7 | S 6 | S 6 | S 6 | S 5 | S 8 | SSW 8 | S 4 | S 8 | SE 8 | SE 7 | SE 7 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 7 | ESE 6 |
| kJ | 1157 | 879 | 557 | 255 | 184 | 105 | 41 | 48 | 109 | 30 | 10 | 200 | 160 | 212 | 156 | 141 | 128 | 141 | 145 | 160 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 673 | 673 | 664 | 664 | 664 | 673 | 664 | 664 | 664 | 683 | 12 | 12 | 44 | 84 | 12 | 70 | 44 | 70 | 70 | 70 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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