Surf Forecasts:
How big are the waves at Aha Rivermouth today (24 Aug):
- Morning surf: Morning surf (24 Aug, local time) - 2ft (0.6m), 16s period with ESE swell.
- Afternoon surf: Afternoon surf (24 Aug, local time) - 5ft (1.6m), 16s period with ESE swell.
- Evening surf: Evening surf (24 Aug, local time) - 8ft (2.4m), 17s period with ESE swell.
The current surf forecast for Aha Rivermouth at 2AM is: 0.5m 13s primary swell from a East-southeast direction and 0.7m 4s secondary swell from a East direction (forecast issued at 08:00pm August 23). An open ocean swell of 0.6m 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 (24 Aug) | 2ft (0.6m) | 16s |
| Afternoon (24 Aug) | 5ft (1.6m) | 16s |
| Evening (24 Aug) | 8ft (2.4m) | 17s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 105mm), heaviest during Tue night. Warm (max 29°C on Tue morning, min 27°C on Sun night). Winds increasing (light winds from the ESE on Sun night, extremely windy from the W by Tue night). | ||||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | ||||||||||||||||
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 | ESE 12 | ESE 12 | ESE 13 | ESE 13 | ESE 16 | ESE 15 | ESE 16 | ESE 16 | ESE 17 | E 16 | E 17 | E 17 | E 17 | E 16 | E 16 | E 16 | ENE 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 31 | 52 | 60 | 96 | 98 | 196 | 487 | 1256 | 2036 | 3176 | 3470 | 6680 | 9803 | 13371 | 12097 | 15640 | 15004 | 11419 |
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 | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 5:43PM1.53m | 3:31AM1.54m | 6:01PM1.65m | 4:36AM1.64m | 6:20PM1.74m | |||||||||||||
Low Tide | 10:37PM1.33m | 10:52AM0.63m | 11:23PM1.21m | 11:30AM0.52m | ||||||||||||||
 |  | |  | |  | | | | | |  | | |  | | | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — |
mm | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | 1 |
Temp °C | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 |
Feels °C | 29 | 30 | 30 | 29 | 29 | 29 | 28 | 29 | 30 | 30 | 30 | 29 | 28 | 27 | 27 | 24 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 9 | SW 9 | ESE 13 | ESE 16 | ESE 15 | ESE 16 | ESE 16 | ESE 17 | E 16 | E 17 | E 17 | E 17 | E 16 | E 16 | E 16 | ENE 14 |
| kJ | 94 | 92 | 71 | 52 | 98 | 196 | 487 | 1256 | 2036 | 3176 | 3470 | 6680 | 9803 | 13371 | 12097 | 15640 | 15004 | 11419 |
Swell 2 Height (m) Direction Period (s) | S 7 | ESE 12 | ESE 12 | ESE 13 | SW 9 | SW 8 | ESE 12 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | — | — | — | — | — | SW 9 |
| kJ | 27 | 52 | 60 | 96 | 50 | 45 | 94 | 41 | 40 | 29 | 28 | 51 | — | — | — | — | — | 20 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ESE 12 | SW 10 | ENE 10 | SW 9 | SW 9 | — | — | — | — | — | — | — | — |
| kJ | 31 | 32 | 31 | 31 | 41 | 81 | 47 | 42 | 39 | 39 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 4 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | ENE 7 | ENE 7 | — | — | — | NNE 6 | — | N 8 | N 9 |
| kJ | 13 | 17 | 19 | 21 | 26 | 41 | 66 | 86 | 100 | 77 | 105 | — | — | — | 192 | — | 1093 | 2375 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 70 | 70 | 68 | 68 | 68 | 70 | 70 | 70 | 66 | 40 | 40 | 40 | 90 | 595 | 746 | 687 | 595 | 746 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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