Surf Forecasts:
How big are the waves at Aha Rivermouth today (05 Aug):
- Morning surf: Morning surf (05 Aug, local time) - 8ft (2.5m), 17s period with E swell.
- Afternoon surf: Afternoon surf (05 Aug, local time) - 10ft (3.0m), 17s period with E swell.
- Evening surf: Evening surf (05 Aug, local time) - 13ft (4.0m), 17s period with E swell.
The current surf forecast for Aha Rivermouth at 3AM is: 2.3m 17s primary swell from a East direction and 0.4m 8s secondary swell from a East-southeast direction (forecast issued at 08:00pm August 04). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Aug) | 8ft (2.5m) | 17s |
| Afternoon (05 Aug) | 10ft (3.0m) | 17s |
| Evening (05 Aug) | 13ft (4.0m) | 17s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 199mm), heaviest during Fri afternoon. Warm (max 30°C on Wed morning, min 28°C on Fri afternoon). Winds increasing (moderate winds from the ENE on Tue night, extremely windy from the NNE by Fri afternoon). | ||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 6 | ||||||||||||||||
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 17 | E 17 | E 17 | E 17 | E 16 | E 17 | E 17 | E 17 | E 17 | E 17 | ENE 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 |
Wave Graph  | ||||||||||||||||||
 kJ | 2381 | 2879 | 3128 | 3049 | 2829 | 4302 | 3899 | 6156 | 7907 | 9765 | 11438 | 12775 | 14378 | 16472 | 17919 | 19629 | 22733 | 25848 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:16PM1.89m | 10:52AM1.67m | 10:55PM1.84m | 12:07PM1.52m | ||||||||||||||
Low Tide | 4:02PM0.68m | 4:44AM0.64m | 4:41PM0.86m | 5:46AM0.65m | 5:31PM1.05m | |||||||||||||
 |  |  | |  | | | | | |  | | | | |  | | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | 7:13 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:10 | — |
mm | 2 | — | 1 | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | 1 | 2 |
Temp °C | 30 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 33 | 31 | 30 | 30 | 31 | 32 | 31 | 31 | 31 | 31 | 29 | 27 | 25 | 25 | 24 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | E 17 | E 17 | E 17 | E 17 | E 16 | E 17 | E 17 | E 17 | E 17 | E 17 | ENE 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 |
| kJ | 2381 | 2879 | 3128 | 3049 | 2829 | 4302 | 3899 | 6156 | 7907 | 9765 | 11438 | 12775 | 14378 | 16472 | 17919 | 19629 | 22733 | 25848 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | N 6 | — | S 8 | S 7 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 18 | — | 18 | 17 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 8 | — | — | ESE 8 | ENE 6 | ENE 6 | NE 6 | — | — | — | — | NNE 7 | NNE 7 | NNE 8 | NNE 8 | NNE 9 | N 9 | NNE 10 |
| kJ | 23 | — | — | 22 | 25 | 85 | 70 | — | — | — | — | 360 | 657 | 1003 | 1684 | 2065 | 2762 | 4860 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 40 | 40 | 60 | 40 | 40 | 40 | 40 | 761 | 673 | 673 | 664 | 673 | 673 | 673 | 914 | 861 | 861 | 673 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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