Surf Forecasts:
How big are the waves at Aha Rivermouth today (04 Aug):
- Morning surf: Morning surf (04 Aug, local time) - 5.5ft (1.7m), 17s period with E swell.
- Afternoon surf: Afternoon surf (04 Aug, local time) - 6ft (1.9m), 17s period with E swell.
- Evening surf: Evening surf (04 Aug, local time) - 7ft (2.2m), 17s period with E swell.
The current surf forecast for Aha Rivermouth at 3PM is: 1.9m 17s primary swell from a East direction and 0.4m 8s secondary swell from a Southeast direction (forecast issued at 08:00am August 04). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Aug) | 5.5ft (1.7m) | 17s |
| Afternoon (04 Aug) | 6ft (1.9m) | 17s |
| Evening (04 Aug) | 7ft (2.2m) | 17s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 29mm), heaviest during Thu night. Warm (max 30°C on Tue morning, min 28°C on Tue night). Winds increasing (light winds from the ENE on Tue morning, stormy winds from the NNW by Thu night). | ||||||||||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | ||||||||||||||||||||
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 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 16 | E 17 | E 17 | E 17 | ENE 18 | ENE 18 | ENE 18 | ENE 18 | E 18 | E 18 | E 18 | E 18 | E 18 | ENE 18 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 1485 | 1696 | 1696 | 2124 | 2381 | 2879 | 3404 | 3020 | 2829 | 4331 | 3899 | 6221 | 9055 | 11206 | 13433 | 15769 | 15306 | 18975 | 21998 | 23209 | 25611 | 31673 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:57AM1.81m | 10:16PM1.89m | 10:52AM1.67m | 10:55PM1.84m | 12:07PM1.52m | |||||||||||||||||
Low Tide | 3:54AM0.64m | 4:02PM0.68m | 4:44AM0.64m | 4:41PM0.86m | 5:46AM0.65m | 5:31PM1.05m | ||||||||||||||||
 | |  | | |  | |  | | | | | |  | | |  | | | | | | |
 | 5:52 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:10 | — |
mm | 2 | 2 | — | 1 | 1 | 1 | 1 | — | 2 | 2 | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 2 |
Temp °C | 29 | 30 | 30 | 29 | 30 | 29 | 29 | 29 | 28 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 |
Feels °C | 31 | 33 | 33 | 31 | 32 | 31 | 30 | 31 | 30 | 31 | 31 | 31 | 29 | 29 | 28 | 26 | 26 | 25 | 24 | 24 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 16 | E 17 | E 17 | E 17 | ENE 18 | ENE 18 | ENE 18 | ENE 18 | E 18 | E 18 | E 18 | E 18 | E 18 | ENE 18 |
| kJ | 1485 | 1696 | 1696 | 2124 | 2381 | 2879 | 3404 | 3020 | 2829 | 4331 | 3899 | 6221 | 9055 | 11206 | 13433 | 15769 | 15306 | 18975 | 21998 | 23209 | 25611 | 31673 |
Swell 2 Height (m) Direction Period (s) | S 7 | SSE 8 | SSE 8 | SE 8 | — | — | — | — | S 8 | — | S 8 | S 7 | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 12 | 12 | 23 | — | — | — | — | 10 | — | 10 | 17 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 5 | NNE 4 | NNE 4 | — | SE 8 | — | — | ESE 8 | NE 6 | ENE 6 | NE 6 | — | — | — | — | — | N 8 | N 8 | N 8 | N 9 | N 10 | N 10 |
| kJ | 17 | 18 | 13 | — | 23 | — | — | 32 | 31 | 61 | 72 | — | — | — | — | — | 815 | 1149 | 1828 | 2710 | 4431 | 6995 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 761 | 761 | 673 | 673 | 664 | 673 | 673 | 673 | 931 | 1382 | 801 | 673 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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