Surf Forecasts:
How big are the waves at Aha Rivermouth today (01 Sep):
- Morning surf: Morning surf (01 Sep, local time) - 7.5ft (2.3m), 9s period with ESE swell.
- Afternoon surf: Afternoon surf (01 Sep, local time) - 7.5ft (2.3m), 9s period with E swell.
- Evening surf: Evening surf (01 Sep, local time) - 8ft (2.5m), 9s period with E swell.
The current surf forecast for Aha Rivermouth at 3AM is: 2.2m 9s primary swell from a East-southeast direction (forecast issued at 08:00pm August 31). An open ocean swell of 0.3m 8s is not directed at the surf break, a second 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 (01 Sep) | 7.5ft (2.3m) | 9s |
| Afternoon (01 Sep) | 7.5ft (2.3m) | 9s |
| Evening (01 Sep) | 8ft (2.5m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Wed night. Warm (max 28°C on Mon night, min 26°C on Wed night). Mainly strong winds. | ||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||
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) | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 497 | 547 | 629 | 708 | 808 | 791 | 808 | 885 | 1064 | 1236 | 1251 | 1041 | 866 | 699 | 627 | 562 | 561 | 1316 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on |
High Tide | 8:34PM2.03m | 9:00AM1.97m | 9:03PM2.00m | 9:45AM1.84m | ||||||||||||||
Low Tide | 2:48AM0.43m | 2:59PM0.63m | 3:28AM0.42m | 3:32PM0.79m | ||||||||||||||
 |  |  | | | | | | | |  | | | | |  |  |  | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — |
 | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — |
mm | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | — | — | — | 1 | 1 | — | — | 1 |
Temp °C | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 |
Feels °C | 26 | 28 | 27 | 27 | 26 | 26 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 26 | 28 | 27 | 27 | 25 |
Swell 1 Height (m) Direction Period (s) | S 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | SSW 8 | SSW 8 | S 8 | S 8 | SW 9 | SW 10 | ENE 13 | ENE 13 | ENE 12 | SW 10 | SSW 10 | E 11 | SW 10 |
| kJ | 36 | 24 | 23 | 14 | 11 | 13 | 13 | 12 | 11 | 14 | 15 | 58 | 56 | 50 | 50 | 67 | 119 | 100 |
Swell 2 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 8 | SW 9 | SSW 9 | SW 10 | SW 10 | SW 10 | SW 10 | S 8 | ENE 14 | SW 10 | SW 10 | SW 10 | ENE 12 | E 12 | SW 10 | S 8 |
| kJ | 13 | 14 | 11 | 14 | 7 | 15 | 15 | 14 | 15 | 11 | 36 | 25 | 35 | 36 | 50 | 73 | 102 | 36 |
Swell 3 Height (m) Direction Period (s) | — | — | S 8 | S 8 | SW 10 | E 15 | E 15 | E 15 | E 14 | — | S 8 | S 8 | S 8 | S 8 | S 8 | SSW 9 | SSW 8 | — |
| kJ | — | — | 5 | 5 | 14 | 18 | 18 | 17 | 16 | — | 5 | 5 | 10 | 12 | 12 | 26 | 24 | — |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 |
| kJ | 497 | 547 | 629 | 708 | 808 | 791 | 808 | 885 | 1064 | 1236 | 1251 | 1041 | 866 | 699 | 627 | 562 | 561 | 1316 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 933 | 681 | 595 | 595 | 595 | 595 | 801 | 685 | 673 | 595 | 595 | 70 | 70 | 70 | 595 | 66 | 68 | 717 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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