Surf Forecasts:
How big are the waves at Aha Rivermouth today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 3ft (0.9m), 8s period with NNW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 2.5ft (0.8m), 8s period with NNW swell.
- Evening surf: Evening surf (11 Sep, local time) - 1.5ft (0.4m), 15s period with ENE swell.
The current surf forecast for Aha Rivermouth at 8AM is: 0.9m 8s primary swell from a North-northwest direction and 0.5m 8s secondary swell from a East-southeast direction (forecast issued at 02:00am September 11). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 3ft (0.9m) | 8s |
| Afternoon (11 Sep) | 2.5ft (0.8m) | 8s |
| Evening (11 Sep) | 1.5ft (0.4m) | 15s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sun afternoon. Warm (max 28°C on Fri morning, min 27°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||||||||||
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 | 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) | N 9 | N 9 | N 8 | NNW 8 | NNW 8 | NNW 8 | 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 14 | E 7 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 194 | 186 | 147 | 115 | 87 | 83 | 62 | 73 | 64 | 64 | 64 | 101 | 103 | 103 | 101 | 101 | 103 | 103 | 100 | 97 | 101 | 101 | 173 | 135 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross-on | cross-on | 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 | cross-on | cross-on |
High Tide | 6:31AM2.10m | 7:02PM2.03m | 7:09AM2.12m | 7:28PM2.07m | 7:44AM2.08m | 7:53PM2.07m | ||||||||||||||||||
Low Tide | 00:30AM0.59m | 12:51PM0.31m | 1:04AM0.46m | 1:22PM0.37m | 1:36AM0.38m | 1:50PM0.46m | ||||||||||||||||||
 | | |  |  | | |  | | | | | |  | | | | | | | | | | | |
 | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — |
mm | — | — | — | — | 1 | 1 | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 |
Temp °C | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 28 |
Feels °C | 32 | 30 | 30 | 32 | 31 | 31 | 31 | 32 | 32 | 29 | 30 | 31 | 31 | 30 | 30 | 29 | 29 | 28 | 29 | 30 | 30 | 29 | 27 | 30 |
Swell 1 Height (m) Direction Period (s) | N 9 | N 9 | N 8 | NNW 8 | NNW 8 | NNW 8 | 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 | ESE 8 | E 14 | E 13 |
| kJ | 194 | 186 | 147 | 115 | 87 | 83 | 62 | 58 | 40 | 38 | 38 | 29 | 34 | 23 | 22 | 21 | 103 | 103 | 100 | 97 | 101 | 47 | 94 | 92 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ENE 15 | ENE 15 | ENE 14 | ENE 14 | N 7 | N 7 | E 14 | E 14 | E 14 | E 14 | N 6 | NNW 6 | N 6 | ESE 9 | ESE 9 | E 14 | S 6 | N 6 |
| kJ | 15 | 9 | 40 | 51 | 43 | 27 | 43 | 73 | 64 | 64 | 37 | 36 | 103 | 103 | 101 | 101 | 20 | 13 | 12 | 28 | 26 | 101 | 3 | 15 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | S 7 | ENE 15 | ENE 15 | ENE 15 | S 7 | S 7 | S 7 | E 9 | ENE 14 | E 14 | S 7 | S 6 | S 6 | S 7 | S 7 | ESE 10 | ESE 9 | N 6 | S 6 | N 6 | — | S 6 |
| kJ | 20 | 19 | 9 | 44 | 43 | 43 | 8 | 8 | 8 | 7 | 64 | 101 | 8 | 7 | 12 | 8 | 8 | 18 | 29 | 12 | 3 | 6 | — | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 4 | ESE 2 | ESE 7 | ESE 7 | SE 6 | SE 6 | — | — | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 5 | E 5 | E 5 | E 6 | E 6 | E 6 | E 7 | E 8 |
| kJ | — | — | — | — | 2 | 1 | 41 | 38 | 31 | 30 | — | — | 30 | 22 | 25 | 24 | 25 | 25 | 45 | 50 | 71 | 73 | 173 | 135 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 12 | 12 | 12 | 40 | 12 | 12 | 12 | 12 | 12 | 44 | 44 | 60 | 66 | 70 | 70 | 70 | 70 | 70 | 68 | 595 | 40 | 70 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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