Surf Forecasts:
How big are the waves at Aha Rivermouth today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 2.5ft (0.8m), 10s period with ENE swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 2.5ft (0.7m), 10s period with ENE swell.
- Evening surf: Evening surf (13 Aug, local time) - 1.5ft (0.5m), 10s period with ENE swell.
The current surf forecast for Aha Rivermouth at 12PM is: 0.7m 10s primary swell from a East-northeast direction and 0.3m 5s secondary swell from a East direction (forecast issued at 08:00am August 13). An open ocean swell of 0.8m 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 (13 Aug) | 2.5ft (0.8m) | 10s |
| Afternoon (13 Aug) | 2.5ft (0.7m) | 10s |
| Evening (13 Aug) | 1.5ft (0.5m) | 10s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Fri afternoon. Warm (max 29°C on Fri afternoon, min 27°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||||||||
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 | 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 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 114 | 114 | 85 | 92 | 99 | 59 | 57 | 38 | 38 | 38 | 37 | 35 | 29 | 29 | 28 | 66 | 68 | 93 | 91 | 90 | 95 | 92 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | glassy | glassy | glassy | cross-off | cross-off | glassy | glassy | cross | cross | cross | cross-on |
High Tide | 6:38AM2.14m | 7:37PM2.02m | 7:20AM2.16m | 8:06PM2.05m | 8:00AM2.13m | 8:34PM2.06m | ||||||||||||||||
Low Tide | 1:14PM0.15m | 1:25AM0.67m | 1:49PM0.20m | 2:01AM0.58m | 2:21PM0.30m | |||||||||||||||||
 |  | | | |  |  | | |  | | | | | |  | | | | | | | |
 | 5:56 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:04 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | 3 | 1 | — | — | 1 | 1 | — | — | 1 | — | — |
Temp °C | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 29 | 28 | 28 | 27 | 27 | 28 | 28 | 29 | 29 | 28 |
Feels °C | 33 | 32 | 32 | 32 | 32 | 33 | 33 | 32 | 32 | 33 | 33 | 33 | 35 | 33 | 33 | 32 | 32 | 34 | 33 | 34 | 34 | 32 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | SSW 8 | ENE 11 | S 8 | S 8 | S 8 | S 9 | SSW 8 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | ENE 11 | S 8 | ENE 10 |
| kJ | 89 | 89 | 86 | 92 | 99 | 47 | 49 | 68 | 71 | 94 | 71 | 66 | 66 | 65 | 47 | 65 | 65 | 66 | 65 | 90 | 61 | 92 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 8 | ENE 10 | ENE 10 | ENE 10 | E 5 | E 5 | SW 8 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | S 8 | ENE 10 | S 8 |
| kJ | 114 | 114 | 85 | 92 | 65 | 59 | 57 | 38 | 12 | 8 | 34 | 35 | 29 | 29 | 28 | 66 | 68 | 93 | 91 | 63 | 95 | 44 |
Swell 3 Height (m) Direction Period (s) | N 8 | N 7 | N 7 | N 7 | SW 8 | SW 8 | SW 8 | SW 8 | ENE 10 | ENE 10 | ENE 10 | SW 8 | SW 8 | SW 8 | E 5 | E 5 | E 5 | E 5 | E 4 | SW 8 | E 5 | E 5 |
| kJ | 28 | 26 | 16 | 15 | 33 | 24 | 23 | 21 | 38 | 38 | 37 | 24 | 24 | 16 | 4 | 4 | 4 | 4 | 4 | 10 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | E 5 | E 5 | E 4 | E 4 | E 5 | E 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 5 | 2 | 9 | 6 | 7 | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 12 | 12 | 12 | 12 | 12 | 68 | 12 | 68 | 75 | 17 | 17 | 17 | 68 | 0 | 0 | 0 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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