Surf Forecasts:
How big are the waves at Aha Rivermouth today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 2.5ft (0.7m), 10s period with ENE swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 2ft (0.6m), 10s period with ENE swell.
- Evening surf: Evening surf (16 Aug, local time) - 2ft (0.6m), 10s period with ENE swell.
The current surf forecast for Aha Rivermouth at 1AM is: 0.7m 10s primary swell from a East-northeast direction and 0.5m 4s secondary swell from a East-southeast direction (forecast issued at 08:00pm August 15). An open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 2.5ft (0.7m) | 10s |
| Afternoon (16 Aug) | 2ft (0.6m) | 10s |
| Evening (16 Aug) | 2ft (0.6m) | 10s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sat night. Warm (max 28°C on Sun morning, min 27°C on Sat night). Mainly fresh winds. | ||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | ||||||||||||||||
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 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 95 | 92 | 90 | 90 | 90 | 90 | 88 | 78 | 77 | 77 | 78 | 80 | 106 | 104 | 104 | 102 | 104 | 77 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:34PM2.06m | 8:38AM2.05m | 9:03PM2.03m | 9:16AM1.92m | ||||||||||||||
Low Tide | 2:37AM0.53m | 2:51PM0.43m | 3:14AM0.53m | 3:20PM0.59m | ||||||||||||||
 |  |  | |  |  | | | |  | | | | | | | | | |
 | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — |
mm | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 31 | 30 | 30 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 30 | 30 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | S 8 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 95 | 60 | 90 | 90 | 90 | 90 | 88 | 78 | 77 | 77 | 78 | 80 | 106 | 104 | 104 | 102 | 104 | 77 |
Swell 2 Height (m) Direction Period (s) | S 8 | ENE 10 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | SW 8 | SW 8 | SW 9 | SW 9 | SW 8 | S 7 | SW 9 |
| kJ | 46 | 92 | 43 | 41 | 28 | 29 | 29 | 30 | 28 | 18 | 17 | 18 | 18 | 19 | 20 | 18 | 26 | 29 |
Swell 3 Height (m) Direction Period (s) | ESE 4 | ESE 10 | SW 8 | SW 8 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | S 7 | S 7 | S 7 | S 7 | S 7 | SW 8 | S 8 |
| kJ | 7 | 11 | 10 | 10 | 19 | 27 | 24 | 21 | 21 | 16 | 17 | 9 | 16 | 9 | 9 | 9 | 18 | 10 |
Wind waves Height (m) Direction Period (s) | — | ESE 4 | ESE 4 | ESE 4 | SE 5 | SE 5 | ESE 5 | ESE 5 | SE 5 | SE 5 | ESE 4 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | E 4 | E 5 |
| kJ | — | 6 | 7 | 16 | 22 | 22 | 15 | 15 | 18 | 22 | 26 | 32 | 29 | 25 | 21 | 22 | 14 | 34 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 70 | 70 | 70 | 70 | 70 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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