Surf Forecasts:
How big are the waves at Aha Rivermouth today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 5.5ft (1.7m), 7s period with ESE swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 5ft (1.5m), 7s period with ESE swell.
- Evening surf: Evening surf (29 Aug, local time) - 4.5ft (1.4m), 7s period with ESE swell.
The current surf forecast for Aha Rivermouth at 12PM is: 1.6m 7s primary swell from a East-southeast direction (forecast issued at 08:00am August 29). An open ocean swell of 0.7m 7s is not directed at the surf break, a second open ocean swell of 0.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 5.5ft (1.7m) | 7s |
| Afternoon (29 Aug) | 5ft (1.5m) | 7s |
| Evening (29 Aug) | 4.5ft (1.4m) | 7s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Mon afternoon. Warm (max 28°C on Sat morning, min 27°C on Sat night). Winds increasing (moderate winds from the ESE on Sat night, near gales from the E by Mon afternoon). | ||||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||||||||||
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) | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 9 | E 9 | E 8 | E 9 | E 9 | E 9 | ESE 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 418 | 310 | 256 | 222 | 197 | 186 | 186 | 153 | 149 | 145 | 168 | 168 | 215 | 318 | 498 | 647 | 809 | 1043 | 1285 | 1345 | 1437 | 1629 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | 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 | cross-on |
High Tide | 7:07AM2.05m | 7:43PM2.00m | 7:43AM2.08m | 8:08PM2.03m | 8:20AM2.05m | 8:34PM2.03m | ||||||||||||||||
Low Tide | 1:29PM0.34m | 1:40AM0.57m | 1:58PM0.39m | 2:12AM0.48m | 2:28PM0.49m | |||||||||||||||||
 |  | | | | | | | |  |  | | | |  | |  |  | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — |
 | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 2 | 2 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 |
Feels °C | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 24 | 24 | 26 |
Swell 1 Height (m) Direction Period (s) | W 9 | S 7 | S 7 | S 7 | S 7 | S 8 | S 8 | S 8 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | SSW 9 | S 9 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 40 | 47 | 51 | 45 | 51 | 66 | 66 | 90 | 108 | 99 | 99 | 75 | 73 | 55 | 38 | 22 | 37 | 26 | 39 | 29 | 28 | 27 |
Swell 2 Height (m) Direction Period (s) | E 13 | SW 9 | SW 9 | SW 9 | SW 9 | ENE 12 | E 12 | ENE 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | SW 9 | SW 10 | SW 9 | SW 9 | SW 9 | SW 10 | SW 9 |
| kJ | 90 | 43 | 41 | 40 | 39 | 87 | 76 | 49 | 73 | 72 | 79 | 46 | 44 | 43 | 42 | 14 | 14 | 13 | 3 | 3 | 4 | 3 |
Swell 3 Height (m) Direction Period (s) | SW 9 | E 13 | ENE 13 | E 13 | E 13 | SW 9 | SW 9 | SW 9 | SW 8 | SE 10 | SE 10 | W 6 | SW 8 | SW 8 | WSW 9 | S 10 | SSW 10 | — | — | — | — | — |
| kJ | 29 | 89 | 57 | 85 | 81 | 40 | 40 | 27 | 11 | 4 | 4 | 1 | 44 | 11 | 8 | 8 | 10 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 9 | E 9 | E 8 | E 9 | E 9 | E 9 | ESE 9 |
| kJ | 418 | 310 | 256 | 222 | 197 | 186 | 186 | 153 | 149 | 145 | 168 | 168 | 215 | 318 | 498 | 647 | 809 | 1043 | 1285 | 1345 | 1437 | 1629 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 627 | 70 | 673 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 68 | 627 | 627 | 596 | 605 | 595 | 935 | 861 | 673 | 595 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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