Surf Forecasts:
How big are the waves at Aha Rivermouth today (27 Aug):
- Morning surf: Morning surf (27 Aug, local time) - 1.5ft (0.5m), 13s period with E swell.
- Afternoon surf: Afternoon surf (27 Aug, local time) - 2.5ft (0.7m), 7s period with E swell.
- Evening surf: Evening surf (27 Aug, local time) - 3ft (0.9m), 8s period with ESE swell.
The current surf forecast for Aha Rivermouth at 8AM is: 0.5m 13s primary swell from a East direction and 0.7m 7s secondary swell from a East direction (forecast issued at 02:00am August 27). An open ocean swell of 2.2m 10s is not directed at the surf break, a second open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Aug) | 1.5ft (0.5m) | 13s |
| Afternoon (27 Aug) | 2.5ft (0.7m) | 7s |
| Evening (27 Aug) | 3ft (0.9m) | 8s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Thu morning. Warm (max 29°C on Thu morning, min 27°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||||||||||
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) | E 13 | E 13 | E 13 | E 13 | ENE 13 | E 7 | ESE 7 | ESE 8 | SE 7 | SE 7 | SE 6 | SE 6 | SE 7 | SE 6 | ESE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | SE 7 | ESE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 89 | 87 | 87 | 85 | 55 | 54 | 73 | 99 | 174 | 213 | 206 | 200 | 189 | 153 | 154 | 183 | 214 | 214 | 180 | 158 | 189 | 168 | 135 | 123 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:58AM1.87m | 6:59PM1.90m | 6:33AM1.97m | 7:20PM1.96m | 7:07AM2.05m | 7:43PM2.00m | ||||||||||||||||||
Low Tide | 00:18AM0.96m | 12:31PM0.36m | 00:44AM0.82m | 1:00PM0.33m | 1:11AM0.69m | 1:29PM0.34m | ||||||||||||||||||
 |  | |  |  |  | | | |  | |  | | | | | |  | | | | | | | |
 | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — |
mm | — | — | — | — | 1 | — | — | — | — | 1 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 28 | 28 | 28 | 31 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 31 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 29 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | S 7 | E 13 | E 13 | E 13 | ENE 12 |
| kJ | 681 | 900 | 776 | 947 | 989 | 962 | 1075 | 734 | 573 | 506 | 496 | 353 | 239 | 154 | 117 | 92 | 94 | 65 | 55 | 24 | 87 | 85 | 81 | 87 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 7 | E 7 | ESE 7 | E 7 | ESE 7 | ESE 8 | ENE 12 | ENE 12 | ENE 12 | SW 9 | SW 9 | SW 8 | S 7 | SW 9 | SW 9 | E 13 | S 6 | W 8 | SW 9 | SW 9 | SW 8 | SW 9 |
| kJ | 61 | 57 | 54 | 52 | 55 | 54 | 73 | 99 | 48 | 47 | 47 | 29 | 37 | 25 | 26 | 27 | 27 | 90 | 27 | 35 | 39 | 36 | 35 | 42 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | SW 9 | SW 9 | SW 9 | ENE 12 | ENE 12 | ENE 12 | SW 8 | ENE 11 | ENE 13 | SW 9 | E 13 | E 13 | W 8 | W 8 | S 7 | S 8 |
| kJ | 89 | 87 | 87 | 85 | 55 | 52 | 50 | 49 | 20 | 19 | 20 | 46 | 46 | 27 | 25 | 25 | 59 | 27 | 90 | 89 | 22 | 20 | 10 | 19 |
Wind waves Height (m) Direction Period (s) | SSW 6 | S 6 | S 6 | S 8 | S 8 | S 4 | SSE 8 | S 6 | SE 7 | SE 7 | SE 6 | SE 6 | SE 7 | SE 6 | ESE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | SE 7 | ESE 7 |
| kJ | 265 | 125 | 86 | 11 | 11 | 40 | 44 | 49 | 174 | 213 | 206 | 200 | 189 | 153 | 154 | 183 | 214 | 214 | 180 | 158 | 189 | 168 | 135 | 123 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 664 | 664 | 664 | 664 | 664 | 683 | 683 | 12 | 44 | 627 | 627 | 627 | 664 | 70 | 70 | 627 | 627 | 70 | 12 | 44 | 60 | 70 | 70 | 70 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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