Surf Forecasts:
How big are the waves at Aha Rivermouth today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 7ft (2.2m), 8s period with N swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 5.5ft (1.7m), 8s period with N swell.
- Evening surf: Evening surf (07 Sep, local time) - 5ft (1.6m), 9s period with NNW swell.
The current surf forecast for Aha Rivermouth at 3AM is: 2.3m 8s primary swell from a North direction and 0.7m 8s secondary swell from a East direction (forecast issued at 08:00pm September 06). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 7ft (2.2m) | 8s |
| Afternoon (07 Sep) | 5.5ft (1.7m) | 8s |
| Evening (07 Sep) | 5ft (1.6m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Sun night. Warm (max 28°C on Sun night, min 27°C on Sun night). Mainly fresh winds. | ||||||||||||||||||
Sun 6 | Monday 7 | Tuesday 8 | ||||||||||||||||
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 8 | N 8 | N 8 | N 8 | N 9 | N 8 | N 8 | N 8 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | N 9 | NNW 9 | NNW 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 635 | 642 | 655 | 751 | 823 | 691 | 583 | 354 | 442 | 374 | 349 | 341 | 341 | 346 | 366 | 306 | 366 | 318 |
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 | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross-on | cross-on |
High Tide | 4:12PM1.54m | 2:30AM1.65m | 5:03PM1.68m | 4:01AM1.76m | 5:38PM1.80m | |||||||||||||
Low Tide | 9:01PM1.29m | 9:55AM0.51m | 10:26PM1.13m | 10:54AM0.40m | ||||||||||||||
 |  |  | | |  |  | | |  |  | | | | | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — |
 | 6:42 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:39 | — |
mm | 1 | — | 3 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 26 | 29 | 29 | 26 | 26 | 26 | 28 | 28 | 29 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | N 10 | NE 9 | NE 9 | ENE 9 | NE 9 | NE 9 | NE 8 | NE 8 | N 9 | NE 8 | NE 8 |
| kJ | 104 | 99 | 97 | 69 | 49 | 33 | 33 | 75 | 123 | 112 | 101 | 65 | 61 | 35 | 33 | 306 | 31 | 15 |
Swell 2 Height (m) Direction Period (s) | SSW 9 | S 9 | S 9 | S 9 | SSE 9 | SSE 9 | SSE 9 | NE 10 | S 9 | S 9 | S 8 | S 8 | E 9 | S 8 | S 8 | NE 8 | S 8 | S 8 |
| kJ | 16 | 14 | 14 | 14 | 16 | 28 | 28 | 63 | 23 | 23 | 23 | 23 | 24 | 21 | 20 | 32 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | S 9 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | E 9 | E 8 | SE 11 | SE 11 | E 9 | S 8 | E 9 | E 9 | S 8 | E 9 | ESE 10 |
| kJ | 13 | 18 | 9 | 8 | 8 | 8 | 7 | 23 | 11 | 5 | 5 | 13 | 22 | 25 | 27 | 20 | 14 | 10 |
Wind waves Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | N 9 | N 8 | N 8 | N 8 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 9 | WNW 6 | NNW 9 | NNW 8 |
| kJ | 635 | 642 | 655 | 751 | 823 | 691 | 583 | 354 | 442 | 374 | 349 | 341 | 341 | 346 | 366 | 26 | 366 | 318 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 746 | 690 | 683 | 595 | 595 | 595 | 595 | 595 | 595 | 595 | 595 | 595 | 673 | 595 | 595 | 693 | 595 | 645 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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