Surf Forecasts:
How big are the waves at Aha Rivermouth today (08 Sep):
- Morning surf: Morning surf (08 Sep, local time) - 5.5ft (1.7m), 9s period with NNW swell.
- Afternoon surf: Afternoon surf (08 Sep, local time) - 6ft (1.8m), 9s period with NNW swell.
- Evening surf: Evening surf (08 Sep, local time) - 5ft (1.6m), 8s period with NNW swell.
The current surf forecast for Aha Rivermouth at 3PM is: 1.8m 9s primary swell from a North-northwest direction and 0.4m 8s secondary swell from a Northeast direction (forecast issued at 08:00am September 08). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Sep) | 5.5ft (1.7m) | 9s |
| Afternoon (08 Sep) | 6ft (1.8m) | 9s |
| Evening (08 Sep) | 5ft (1.6m) | 8s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Warm (max 28°C on Thu afternoon, min 26°C on Wed night). Winds decreasing (fresh winds from the NNW on Tue afternoon, light winds from the NNE by Thu morning). | ||||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||||||||||
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) | NNW 8 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | N 8 | N 8 | N 8 | N 8 | NNW 8 | N 8 | N 8 | N 9 | N 9 | N 9 | N 9 | N 10 | N 10 | N 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 346 | 436 | 488 | 488 | 434 | 333 | 246 | 238 | 286 | 341 | 341 | 301 | 264 | 251 | 291 | 404 | 422 | 431 | 388 | 405 | 361 | 361 |
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 | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on |
High Tide | 4:01AM1.76m | 5:38PM1.80m | 5:01AM1.91m | 6:08PM1.90m | 5:49AM2.03m | 6:36PM1.98m | ||||||||||||||||
Low Tide | 10:54AM0.40m | 11:15PM0.94m | 11:40AM0.32m | 11:55PM0.76m | 12:17PM0.29m | |||||||||||||||||
 |  | |  | | | | |  | | | | | | | | | | | | | | |
 | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — |
 | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 28 | 28 | 27 |
Feels °C | 28 | 27 | 27 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 27 | 28 | 29 | 28 | 31 | 31 | 32 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 7 | NE 8 | ENE 9 | E 9 | E 9 | S 7 | E 9 | N 10 | N 9 | N 9 | N 9 | N 9 | N 10 | N 10 | N 10 |
| kJ | 29 | 27 | 26 | 24 | 35 | 25 | 22 | 21 | 15 | 26 | 25 | 25 | 10 | 26 | 19 | 404 | 422 | 431 | 388 | 405 | 361 | 361 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | ENE 9 | ESE 9 | SE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 22 | 21 | 20 | 20 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 16 | 17 | 22 | 42 | 42 | 42 | 42 | 59 | 57 | 56 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 7 | ESE 10 | ESE 10 | ESE 10 | E 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 7 | E 9 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
| kJ | 23 | 25 | 14 | 14 | 4 | 10 | 10 | 10 | 14 | 10 | 10 | 10 | 18 | 9 | 14 | 9 | 4 | 4 | 4 | 4 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | N 8 | N 8 | N 8 | N 8 | NNW 8 | N 8 | N 8 | N 9 | — | — | — | — | — | — |
| kJ | 346 | 436 | 488 | 488 | 434 | 333 | 246 | 238 | 286 | 341 | 341 | 301 | 264 | 251 | 291 | 162 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 595 | 673 | 746 | 595 | 595 | 596 | 596 | 605 | 595 | 595 | 595 | 595 | 919 | 595 | 595 | 595 | 31 | 31 | 12 | 40 | 12 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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