Surf Forecasts:
How big are the waves at Aha Rivermouth today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 1.5ft (0.5m), 14s period with E swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 3.5ft (1.1m), 7s period with E swell.
- Evening surf: Evening surf (13 Sep, local time) - 3.5ft (1.1m), 8s period with E swell.
The current surf forecast for Aha Rivermouth at 1AM is: 0.5m 14s primary swell from a East direction and 0.4m 6s secondary swell from a North-northwest direction, 0.7m 5s secondary swell from a East direction (forecast issued at 08:00pm September 12). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 1.5ft (0.5m) | 14s |
| Afternoon (13 Sep) | 3.5ft (1.1m) | 7s |
| Evening (13 Sep) | 3.5ft (1.1m) | 8s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Tue morning. Warm (max 29°C on Tue afternoon, min 27°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | ||||||||||||||||
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) | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 101 | 101 | 103 | 103 | 100 | 97 | 101 | 130 | 169 | 153 | 157 | 161 | 169 | 177 | 181 | 181 | 186 | 186 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 7:28PM2.07m | 7:44AM2.08m | 7:53PM2.07m | 8:19AM1.99m | 8:18PM2.05m | |||||||||||||
Low Tide | 1:36AM0.38m | 1:50PM0.46m | 2:09AM0.35m | 2:16PM0.58m | ||||||||||||||
 |  |  | | | | |  | |  | | | |  | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — |
 | 6:35 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:32 | — |
mm | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 30 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 31 | 31 | 30 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | N 7 | N 6 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 |
| kJ | 22 | 20 | 103 | 103 | 100 | 97 | 101 | 101 | 94 | 92 | 130 | 161 | 169 | 177 | 181 | 181 | 186 | 186 |
Swell 2 Height (m) Direction Period (s) | E 14 | E 14 | N 6 | NNW 6 | NNW 6 | ESE 9 | ESE 9 | S 6 | N 6 | N 5 | N 5 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 |
| kJ | 101 | 101 | 20 | 12 | 12 | 28 | 26 | 3 | 6 | 9 | 8 | 130 | 90 | 89 | 87 | 87 | 87 | 87 |
Swell 3 Height (m) Direction Period (s) | S 6 | S 7 | S 7 | ESE 10 | ESE 9 | NNW 6 | N 6 | NW 6 | S 6 | S 6 | S 6 | N 5 | N 5 | N 5 | N 5 | N 5 | N 5 | N 5 |
| kJ | 13 | 8 | 8 | 18 | 29 | 11 | 6 | 1 | 3 | 3 | 3 | 5 | 5 | 2 | 2 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | E 6 | ESE 5 | ESE 5 | ESE 6 | E 6 | E 7 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — |
| kJ | 18 | 24 | 22 | 27 | 36 | 40 | 56 | 130 | 169 | 153 | 157 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 66 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 595 | 12 | 12 | 12 | 12 | 44 | 12 | 84 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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