Surf Forecasts:
How big are the waves at Aha Rivermouth today (22 Aug):
- Morning surf: Morning surf (22 Aug, local time) - 0.5ft (0.2m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (22 Aug, local time) - 1ft (0.3m), 9s period with ENE swell.
- Evening surf: Evening surf (22 Aug, local time) - 1.5ft (0.4m), 10s period with SE swell.
The current surf forecast for Aha Rivermouth at 1AM is: 0.3m 9s primary swell from a East-northeast direction and 0.1m 14s secondary swell from a East direction (forecast issued at 08:00pm August 21). An open ocean swell of 2.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | 0.5ft (0.2m) | 9s |
| Afternoon (22 Aug) | 1ft (0.3m) | 9s |
| Evening (22 Aug) | 1.5ft (0.4m) | 10s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Fri night. Warm (max 28°C on Sat morning, min 27°C on Fri night). Mainly strong winds. | ||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | ||||||||||||||||
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) | ENE 9 | ENE 8 | ENE 9 | ENE 9 | ESE 10 | ENE 9 | ENE 9 | ENE 9 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 14 | SE 5 | ESE 5 | ESE 5 | ESE 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 15 | 12 | 16 | 8 | 21 | 8 | 16 | 15 | 19 | 24 | 16 | 16 | 16 | 41 | 42 | 34 | 37 | 52 |
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 | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross-on |
High Tide | 11:43PM1.60m | 5:29PM1.41m | 1:28AM1.52m | 5:43PM1.53m | ||||||||||||||
Low Tide | 4:55PM1.26m | 8:22AM0.83m | 7:56PM1.39m | 9:56AM0.75m | ||||||||||||||
 |  | |  | |  |  | | | | | | | | | | | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — |
mm | 1 | — | — | 1 | 1 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 27 | 28 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | S 10 | S 10 | SSW 10 | SW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 9 |
| kJ | 15 | 12 | 16 | 8 | 8 | 8 | 16 | 15 | 16 | 16 | 460 | 369 | 161 | 134 | 168 | 223 | 179 | 133 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | E 14 | E 14 | E 8 | E 8 | E 9 | E 14 | E 10 | ESE 10 | SE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ESE 12 |
| kJ | 11 | 4 | 4 | 1 | 1 | 1 | 4 | 8 | 19 | 24 | 16 | 16 | 16 | 16 | 16 | 28 | 29 | 52 |
Swell 3 Height (m) Direction Period (s) | E 14 | E 10 | E 9 | E 14 | ESE 10 | E 9 | E 9 | — | E 10 | ENE 8 | SE 10 | SE 10 | SE 10 | ESE 14 | ESE 14 | ESE 13 | ESE 13 | ENE 10 |
| kJ | 4 | 2 | 2 | 4 | 21 | 2 | 6 | — | 8 | 14 | 15 | 15 | 15 | 41 | 36 | 34 | 34 | 32 |
Wind waves Height (m) Direction Period (s) | S 8 | S 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | S 9 | S 9 | S 9 | — | SSE 6 | SE 4 | SE 5 | SE 5 | ESE 5 | ESE 5 | ESE 5 |
| kJ | 518 | 531 | 556 | 730 | 773 | 730 | 730 | 791 | 700 | 568 | — | 63 | 40 | 41 | 42 | 29 | 37 | 37 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 595 | 595 | 595 | 595 | 595 | 664 | 595 | 595 | 595 | 595 | 595 | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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