Surf Forecasts:
How big are the waves at Aha Rivermouth today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 3.5ft (1.1m), 13s period with E swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 4.5ft (1.4m), 13s period with E swell.
- Evening surf: Evening surf (10 Aug, local time) - 4.5ft (1.4m), 13s period with E swell.
The current surf forecast for Aha Rivermouth at 2PM is: 1.3m 13s primary swell from a East direction and 0.9m 7s secondary swell from a East direction (forecast issued at 08:00am August 10). An open ocean swell of 1.5m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 3.5ft (1.1m) | 13s |
| Afternoon (10 Aug) | 4.5ft (1.4m) | 13s |
| Evening (10 Aug) | 4.5ft (1.4m) | 13s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Wed afternoon. Warm (max 29°C on Mon morning, min 27°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||||||||
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 14 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 400 | 440 | 434 | 683 | 673 | 653 | 314 | 432 | 299 | 240 | 240 | 254 | 254 | 250 | 193 | 180 | 176 | 135 | 133 | 130 | 83 | 116 |
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 | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:57AM1.83m | 6:00PM1.79m | 5:01AM1.95m | 6:35PM1.89m | 5:53AM2.06m | 7:07PM1.97m | ||||||||||||||||
Low Tide | 11:06AM0.32m | 11:21PM1.08m | 11:55AM0.21m | 00:07AM0.93m | 12:36PM0.15m | |||||||||||||||||
 | |  |  | |  | |  | | | | | | | | | | | | | | | |
 | 5:54 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — |
mm | — | — | — | 1 | 1 | 1 | 1 | — | 1 | 3 | — | — | — | — | — | — | — | 1 | 3 | 4 | 1 | — |
Temp °C | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 |
Feels °C | 29 | 31 | 31 | 31 | 30 | 31 | 31 | 31 | 32 | 32 | 33 | 32 | 33 | 32 | 32 | 32 | 32 | 31 | 29 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | E 14 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | 400 | 500 | 500 | 449 | 452 | 400 | 392 | 394 | 204 | 200 | 220 | 211 | 301 | 255 | 210 | 201 | 162 | 162 | 160 | 126 | 123 | 120 |
Swell 2 Height (m) Direction Period (s) | W 10 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 |
| kJ | 214 | 440 | 434 | 683 | 673 | 653 | 314 | 432 | 299 | 240 | 240 | 254 | 254 | 250 | 193 | 180 | 176 | 135 | 133 | 130 | 83 | 116 |
Swell 3 Height (m) Direction Period (s) | SW 11 | W 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 | E 6 | E 6 | E 6 | E 6 | E 6 | SW 9 | E 5 | SW 9 | SW 9 | SW 8 |
| kJ | 229 | 210 | 191 | 187 | 114 | 110 | 71 | 64 | 210 | 157 | 88 | 94 | 32 | 23 | 23 | 22 | 15 | 42 | 9 | 28 | 27 | 24 |
Wind waves Height (m) Direction Period (s) | SSE 10 | E 7 | E 7 | E 7 | — | E 7 | E 6 | — | E 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 732 | 96 | 83 | 100 | — | 70 | 44 | — | 47 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 44 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 0 | 0 | 12 | 0 | 0 | 0 | 595 | 595 | 685 | 12 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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