Surf Forecasts:
How big are the waves at Aha Rivermouth today (14 Aug):
- Afternoon surf: Afternoon surf (14 Aug, local time) - 1.5ft (0.4m), 10s period with ENE swell.
- Evening surf: Evening surf (14 Aug, local time) - 1.5ft (0.4m), 9s period with ENE swell.
The current surf forecast for Aha Rivermouth at 7PM is: 0.4m 9s primary swell from a East-northeast direction and 0.4m 4s secondary swell from a East-southeast direction (forecast issued at 02:00pm August 14). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | - | - |
| Afternoon (14 Aug) | 1.5ft (0.4m) | 10s |
| Evening (14 Aug) | 1.5ft (0.4m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri afternoon. Warm (max 29°C on Fri afternoon, min 27°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | ||||||||||||||||||
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) | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 37 | 35 | 29 | 29 | 28 | 66 | 68 | 93 | 91 | 101 | 95 | 92 | 90 | 90 | 90 | 90 | 78 | 78 | 77 | 77 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | cross | cross | glassy | glassy | cross-on | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross |
High Tide | 8:06PM2.05m | 8:00AM2.13m | 8:34PM2.06m | 8:38AM2.05m | ||||||||||||||||
Low Tide | 1:49PM0.20m | 2:01AM0.58m | 2:21PM0.30m | 2:37AM0.53m | 2:51PM0.43m | |||||||||||||||
 | |  |  |  |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | 7:05 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — |
mm | 2 | 2 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 |
Feels °C | 33 | 34 | 34 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | ENE 11 | ENE 10 | S 8 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 71 | 66 | 66 | 47 | 45 | 46 | 63 | 66 | 49 | 101 | 95 | 60 | 90 | 90 | 90 | 90 | 78 | 78 | 77 | 77 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | S 8 | S 8 | ENE 10 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 |
| kJ | 37 | 35 | 29 | 29 | 28 | 66 | 68 | 93 | 91 | 46 | 46 | 92 | 43 | 41 | 28 | 29 | 29 | 28 | 29 | 17 |
Swell 3 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SW 8 | E 4 | E 4 | E 4 | E 4 | SW 8 | SW 8 | SW 8 | ESE 10 | SW 8 | SW 8 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 |
| kJ | 24 | 24 | 24 | 16 | 6 | 6 | 6 | 6 | 21 | 16 | 15 | 11 | 10 | 10 | 20 | 28 | 27 | 24 | 21 | 24 |
Wind waves Height (m) Direction Period (s) | — | — | ESE 4 | E 4 | E 4 | E 4 | — | E 4 | ESE 4 | ESE 4 | E 4 | ESE 4 | ESE 4 | ESE 4 | ESE 5 | SE 5 | SE 5 | SE 5 | SE 5 | ESE 4 |
| kJ | — | — | 7 | 4 | 9 | 10 | — | 10 | 7 | 7 | 10 | 15 | 22 | 23 | 27 | 23 | 23 | 23 | 22 | 25 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 17 | 17 | 68 | 68 | 68 | 0 | 0 | 12 | 12 | 12 | 12 | 68 | 12 | 12 | 12 | 12 | 12 | 70 | 70 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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