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 (1.3m), 13s period with E swell.
- Evening surf: Evening surf (10 Aug, local time) - 3.5ft (1.0m), 13s period with E swell.
The current surf forecast for Aha Rivermouth at 1AM is: 0.9m 8s primary swell from a East direction (forecast issued at 08:00pm August 09). An open ocean swell of 1.2m 10s is not directed at the surf break, a second open ocean swell of 1.1m 11s is not directed at the surf break, a second open ocean swell of 1.9m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 3.5ft (1.1m) | 13s |
| Afternoon (10 Aug) | 4.5ft (1.3m) | 13s |
| Evening (10 Aug) | 3.5ft (1.0m) | 13s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Wed afternoon. Warm (max 29°C on Mon morning, min 28°C on Sun night). Winds decreasing (fresh winds from the SSE on Sun night, calm by Wed afternoon). | ||||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | ||||||||||||||||
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 9 | E 14 | E 8 | E 14 | 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 |
Wave Graph  | ||||||||||||||||||
 kJ | 123 | 144 | 105 | 405 | 665 | 440 | 694 | 591 | 582 | 339 | 314 | 304 | 299 | 240 | 240 | 254 | 254 | 250 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 5:16PM1.66m | 3:57AM1.83m | 6:00PM1.79m | 5:01AM1.95m | 6:35PM1.89m | |||||||||||||
Low Tide | 10:21PM1.21m | 11:06AM0.32m | 11:21PM1.08m | 11:55AM0.21m | ||||||||||||||
 |  |  | | | |  | | | | | | | | | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | 7:08 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — |
mm | 1 | 1 | — | 1 | 1 | 1 | — | 1 | — | 1 | 2 | 1 | 1 | 3 | — | — | 1 | 3 |
Temp °C | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 |
Feels °C | 28 | 27 | 28 | 28 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 31 | 31 | 31 | 32 | 32 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | W 12 | WSW 11 | SSW 10 | SW 10 | E 14 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 |
| kJ | 639 | 370 | 333 | 248 | 665 | 500 | 500 | 449 | 452 | 400 | 400 | 458 | 245 | 244 | 239 | 194 | 190 | 171 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | E 8 | W 11 | W 11 | 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 |
| kJ | 123 | 143 | 297 | 238 | 214 | 440 | 694 | 591 | 582 | 339 | 314 | 304 | 299 | 240 | 240 | 254 | 254 | 250 |
Swell 3 Height (m) Direction Period (s) | E 14 | E 14 | E 8 | E 14 | SW 11 | W 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | W 9 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 |
| kJ | 106 | 144 | 105 | 405 | 229 | 210 | 191 | 187 | 142 | 110 | 102 | 23 | 143 | 143 | 157 | 157 | 122 | 100 |
Wind waves Height (m) Direction Period (s) | S 10 | S 10 | SSE 10 | SSE 10 | S 10 | — | — | ENE 7 | — | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | 1374 | 1184 | 631 | 602 | 550 | — | — | 86 | — | 84 | 55 | 59 | 59 | 58 | 44 | 33 | 32 | 32 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 683 | 664 | 664 | 595 | 12 | 12 | 673 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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