Surf Forecasts:
How big are the waves at Aha Rivermouth today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 1.5ft (0.4m), 10s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 4.5ft (1.4m), 7s period with ENE swell.
- Evening surf: Evening surf (17 Oct, local time) - 5ft (1.5m), 7s period with E swell.
The current surf forecast for Aha Rivermouth at 12AM is: 0.7m 5s primary swell from a East-northeast direction and 0.4m 10s secondary swell from a Northeast direction, 0.4m 9s secondary swell from a East direction (forecast issued at 08:00pm October 16). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 1.5ft (0.4m) | 10s |
| Afternoon (17 Oct) | 4.5ft (1.4m) | 7s |
| Evening (17 Oct) | 5ft (1.5m) | 7s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sat night, min 25°C on Sat afternoon). Mainly fresh winds. | ||||||||||||||||||
Fri 16 | Saturday 17 | Sunday 18 | ||||||||||||||||
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 | NE 10 | ENE 12 | E 5 | ENE 10 | E 9 | ENE 7 | ENE 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 72 | 96 | 30 | 53 | 43 | 39 | 269 | 180 | 203 | 246 | 246 | 227 | 233 | 235 | 284 | 284 | 253 | 333 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:50PM1.74m | 10:40AM1.43m | 9:17PM1.62m | 12:03PM1.36m | ||||||||||||||
Low Tide | 3:54AM0.50m | 3:26PM1.14m | 4:44AM0.62m | 4:19PM1.24m | ||||||||||||||
 | | |  | |  | |  | | | |  | |  | | | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 25 | 25 | 25 | 27 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 29 | 27 | 27 | 27 | 26 | 26 | 24 | 23 | 24 | 23 | 24 | 25 | 28 | 26 | 26 | 26 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | E 9 | NE 10 | ENE 12 | ESE 9 | ENE 10 | N 6 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | NE 10 | ENE 11 | ENE 11 | ENE 11 | NE 11 | E 8 | E 8 |
| kJ | 72 | 15 | 23 | 53 | 28 | 39 | 1 | 45 | 43 | 38 | 37 | 28 | 24 | 12 | 13 | 30 | 253 | 213 |
Swell 2 Height (m) Direction Period (s) | NNW 6 | NNW 6 | E 9 | ESE 9 | NE 10 | ESE 9 | — | N 6 | N 6 | — | E 15 | NE 11 | — | — | SE 11 | SE 11 | ENE 11 | ENE 11 |
| kJ | 14 | 7 | 26 | 28 | 24 | 26 | — | 1 | 1 | — | 4 | 32 | — | — | 5 | 5 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | E 9 | ENE 12 | ENE 12 | NNW 5 | ENE 12 | N 6 | — | — | — | — | — | — | — | — | E 13 | E 13 | SE 11 | SE 10 |
| kJ | 13 | 14 | 27 | 3 | 14 | 1 | — | — | — | — | — | — | — | — | 3 | 3 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | — | ENE 10 | ENE 5 | ENE 5 | E 5 | E 5 | E 9 | ENE 7 | ENE 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | — | E 8 |
| kJ | — | 96 | 30 | 45 | 43 | 36 | 269 | 180 | 203 | 246 | 246 | 227 | 233 | 235 | 284 | 284 | — | 333 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 12 | 621 | 621 | 645 | 621 | 687 | 1707 | 1382 | 70 | 66 | 66 | 66 | 40 | 66 | 66 | 66 | 66 | 66 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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