Surf Forecasts:
How big are the waves at Aha Rivermouth today (05 Aug):
- Morning surf: Morning surf (05 Aug, local time) - 8ft (2.5m), 17s period with E swell.
- Afternoon surf: Afternoon surf (05 Aug, local time) - 11ft (3.5m), 17s period with E swell.
- Evening surf: Evening surf (05 Aug, local time) - 13ft (4.0m), 17s period with ENE swell.
The current surf forecast for Aha Rivermouth at 1PM is: 3.0m 17s primary swell from a East direction and 1.1m 6s secondary swell from a Northeast direction (forecast issued at 08:00am August 05). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Aug) | 8ft (2.5m) | 17s |
| Afternoon (05 Aug) | 11ft (3.5m) | 17s |
| Evening (05 Aug) | 13ft (4.0m) | 17s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 310mm), heaviest during Fri night. Warm (max 30°C on Wed morning, min 28°C on Thu night). Mainly extremely windy. | ||||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | ||||||||||||||||||||
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 16 | E 17 | E 17 | E 17 | E 17 | ENE 17 | ENE 17 | E 17 | E 17 | E 16 | E 16 | E 16 | E 16 | E 17 | E 17 | E 17 | ENE 17 | ENE 16 | ENE 15 | N 12 | N 12 | ENE 12 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 2829 | 4331 | 3899 | 6221 | 8418 | 9301 | 9985 | 10138 | 11270 | 11410 | 12955 | 14967 | 16965 | 20185 | 24178 | 28754 | 31556 | 37348 | 28778 | 10280 | 4654 | 1761 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | 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 |
High Tide | 10:52AM1.67m | 10:55PM1.84m | 12:07PM1.52m | 11:45PM1.78m | 2:06PM1.45m | |||||||||||||||||
Low Tide | 4:44AM0.64m | 4:41PM0.86m | 5:46AM0.65m | 5:31PM1.05m | 7:08AM0.65m | 6:49PM1.21m | ||||||||||||||||
 | | | | |  | | |  | |  | | |  | |  |  | | | | | | |
 | 5:52 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:09 | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | 2 | 3 | 1 | 7 | 8 | 31 | 74 | 20 | 3 | 2 |
Temp °C | 29 | 30 | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 30 | 29 |
Feels °C | 30 | 31 | 29 | 31 | 29 | 29 | 29 | 27 | 26 | 26 | 25 | 24 | 23 | 22 | 21 | 18 | 14 | 11 | 7 | 24 | 35 | 26 |
Swell 1 Height (m) Direction Period (s) | E 16 | E 17 | E 17 | E 17 | E 17 | ENE 17 | ENE 17 | E 17 | E 17 | E 16 | E 16 | E 16 | E 16 | E 17 | E 17 | E 17 | ENE 17 | ENE 16 | ENE 15 | ENE 14 | N 12 | N 11 |
| kJ | 2829 | 4331 | 3899 | 6221 | 8418 | 9301 | 9985 | 10138 | 11270 | 11410 | 12955 | 14967 | 16965 | 20185 | 24178 | 28754 | 31556 | 37348 | 28778 | 8914 | 4654 | 1761 |
Swell 2 Height (m) Direction Period (s) | S 8 | — | S 8 | S 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 11 | E 12 | ENE 12 |
| kJ | 10 | — | 18 | 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3325 | 3622 | 1706 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 16 | NNE 16 | N 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 179 | 149 | 348 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | — | — | — | — | NNE 6 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 9 | NNE 9 | NNE 10 | NNE 10 | N 11 | N 12 | N 12 | N 12 | SSE 11 | SSE 10 |
| kJ | 47 | 88 | 82 | — | — | — | — | 233 | 445 | 857 | 1064 | 1364 | 2018 | 3377 | 4343 | 7335 | 13638 | 18950 | 20547 | 10280 | 2583 | 5953 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 40 | 40 | 861 | 861 | 673 | 673 | 664 | 664 | 673 | 673 | 861 | 861 | 861 | 673 | 673 | 673 | 673 | 815 | 1380 | 861 | 1385 | 40 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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