Surf Forecasts:
How big are the waves at Aha Rivermouth today (03 Aug):
- Morning surf: Morning surf (03 Aug, local time) - 4ft (1.2m), 15s period with E swell.
- Afternoon surf: Afternoon surf (03 Aug, local time) - 4.5ft (1.4m), 16s period with E swell.
- Evening surf: Evening surf (03 Aug, local time) - 4.5ft (1.4m), 16s period with E swell.
The current surf forecast for Aha Rivermouth at 9AM is: 1.2m 15s primary swell from a East direction and 0.4m 8s secondary swell from a Northeast direction (forecast issued at 02:00am August 03). An open ocean swell of 0.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Aug) | 4ft (1.2m) | 15s |
| Afternoon (03 Aug) | 4.5ft (1.4m) | 16s |
| Evening (03 Aug) | 4.5ft (1.4m) | 16s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Tue afternoon. Warm (max 30°C on Tue morning, min 29°C on Mon morning). Winds increasing (light winds from the N on Mon morning, strong winds from the N by Wed night). | ||||||||||||||||||||||||
Monday 3 | Tuesday 4 | Wednesday 5 | ||||||||||||||||||||||
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 | 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 16 | E 15 | E 15 | E 16 | E 16 | E 16 | E 16 | E 16 | E 16 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 18 | E 18 | E 18 | ENE 18 | ENE 18 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 496 | 502 | 440 | 674 | 832 | 984 | 977 | 964 | 1101 | 1115 | 1485 | 1502 | 1696 | 2142 | 2398 | 3146 | 3404 | 3649 | 4351 | 5163 | 6389 | 7238 | 10069 | 12125 |
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 | on | on | on | on | cross-on | on | on | on | on | on | on | cross-on |
High Tide | 9:13PM1.94m | 9:12AM1.92m | 9:43PM1.92m | 9:57AM1.81m | 10:16PM1.89m | 10:52AM1.67m | ||||||||||||||||||
Low Tide | 3:13AM0.68m | 3:27PM0.52m | 3:54AM0.64m | 4:02PM0.68m | 4:44AM0.64m | 4:41PM0.86m | ||||||||||||||||||
 |  |  | |  | | | |  | | | |  | | | | | | | | | | | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:12 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 | 2 | — | — | 1 | — | — | 1 | 1 | — | — | — |
Temp °C | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 30 | 29 | 30 | 29 | 29 | 29 | 30 | 30 | 29 | 29 |
Feels °C | 32 | 31 | 32 | 31 | 31 | 30 | 30 | 30 | 31 | 31 | 30 | 32 | 31 | 31 | 32 | 31 | 32 | 30 | 30 | 30 | 30 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | E 16 | E 16 | E 15 | E 15 | E 16 | E 16 | E 16 | E 16 | E 16 | E 16 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 17 | E 18 | E 18 | E 18 | ENE 18 | ENE 18 |
| kJ | 496 | 502 | 440 | 674 | 832 | 984 | 977 | 964 | 1101 | 1115 | 1485 | 1502 | 1696 | 2142 | 2398 | 3146 | 3404 | 3649 | 4351 | 5163 | 6389 | 7238 | 10069 | 12125 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | SSE 7 | ESE 9 | SSE 7 | S 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 8 | SSE 8 | SE 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 5 | 7 | 5 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 10 | 12 | 32 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 7 | ESE 9 | S 7 | ESE 8 | SE 8 | E 15 | SE 14 | S 7 | SE 8 | SE 8 | SE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 8 | 4 | 7 | 3 | 4 | 8 | 4 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | NE 8 | NNE 3 | NE 8 | W 7 | — | N 4 | N 4 | N 4 | N 4 | NNE 5 | NNE 4 | NNE 4 | — | ESE 8 | — | — | — | — | NE 6 | NE 7 | NNE 5 | — | — |
| kJ | 28 | 23 | 4 | 22 | 4 | — | 6 | 10 | 13 | 14 | 17 | 17 | 13 | — | 26 | — | — | — | — | 62 | 143 | 46 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 31 | 31 | 31 | 40 | 75 | 595 | 31 | 31 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 761 | 673 | 673 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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