Surf Forecasts:
How big are the waves at Aha Rivermouth today (12 Sep):
- Evening surf: Evening surf (12 Sep, local time) - 1.5ft (0.4m), 15s period with ENE swell.
The current surf forecast for Aha Rivermouth at 12AM is: 0.4m 14s primary swell from a East-northeast direction and 0.6m 7s secondary swell from a North direction, 0.7m 6s secondary swell from a Southeast direction (forecast issued at 08:00pm September 11). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | - | - |
| Afternoon (12 Sep) | - | - |
| Evening (12 Sep) | 1.5ft (0.4m) | 15s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sun night. Warm (max 28°C on Fri night, min 27°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | ||||||||||||||||
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) | NNW 8 | ENE 15 | ENE 14 | ENE 14 | ENE 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 62 | 73 | 64 | 64 | 64 | 101 | 103 | 103 | 101 | 101 | 103 | 103 | 100 | 97 | 101 | 159 | 193 | 198 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on |
High Tide | 7:02PM2.03m | 7:09AM2.12m | 7:28PM2.07m | 7:44AM2.08m | 7:53PM2.07m | |||||||||||||
Low Tide | 1:04AM0.46m | 1:22PM0.37m | 1:36AM0.38m | 1:50PM0.46m | ||||||||||||||
 |  | | |  |  |  | | | |  | |  | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — |
 | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — |
mm | 1 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 |
Temp °C | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 |
Feels °C | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 8 | N 7 | N 7 | SE 6 | SE 6 | N 7 | N 7 | N 7 | N 6 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 |
| kJ | 62 | 58 | 40 | 38 | 43 | 29 | 35 | 34 | 22 | 20 | 103 | 103 | 100 | 97 | 101 | 101 | 94 | 92 |
Swell 2 Height (m) Direction Period (s) | ENE 15 | ENE 15 | ENE 14 | ENE 14 | N 7 | N 7 | E 14 | E 14 | E 14 | E 14 | N 6 | NNW 6 | NNW 6 | ESE 9 | ESE 9 | N 6 | S 6 | S 6 |
| kJ | 43 | 73 | 64 | 64 | 36 | 36 | 103 | 103 | 101 | 101 | 20 | 12 | 12 | 28 | 27 | 6 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | E 9 | ENE 14 | E 14 | S 7 | S 7 | S 6 | S 7 | S 7 | ESE 10 | ESE 9 | NNW 6 | N 6 | S 6 | NW 6 | — |
| kJ | 8 | 8 | 8 | 7 | 64 | 101 | 8 | 8 | 12 | 14 | 8 | 18 | 29 | 12 | 11 | 3 | 1 | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | SE 6 | SE 6 | — | — | SE 6 | SE 6 | ESE 6 | E 6 | ESE 5 | ESE 5 | E 5 | ESE 6 | E 6 | E 8 | E 8 | E 8 |
| kJ | 36 | 38 | 39 | 45 | — | — | 26 | 26 | 25 | 22 | 27 | 35 | 34 | 52 | 74 | 159 | 193 | 198 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 12 | 44 | 44 | 60 | 66 | 70 | 70 | 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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