Surf Forecasts:
How big are the waves at Aha Rivermouth today (09 Aug):
- Morning surf: Morning surf (09 Aug, local time) - 3.5ft (1.1m), 9s period with E swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 3.5ft (1.0m), 9s period with E swell.
- Evening surf: Evening surf (09 Aug, local time) - 2.5ft (0.7m), 14s period with E swell.
The current surf forecast for Aha Rivermouth at 6AM is: 1.1m 10s primary swell from a East direction (forecast issued at 02:00am August 09). An open ocean swell of 1.5m 12s is not directed at the surf break, a second open ocean swell of 3.5m 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 (09 Aug) | 3.5ft (1.1m) | 9s |
| Afternoon (09 Aug) | 3.5ft (1.0m) | 9s |
| Evening (09 Aug) | 2.5ft (0.7m) | 14s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Tue night. Warm (max 29°C on Sun morning, min 28°C on Sun morning). Winds decreasing (strong winds from the SSE on Sun morning, light winds from the SE by Tue night). | ||||||||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | ||||||||||||||||||||||
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) | ENE 10 | ENE 10 | E 10 | E 9 | E 9 | E 9 | ENE 9 | E 14 | E 14 | 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 | 245 | 240 | 226 | 212 | 169 | 165 | 129 | 195 | 306 | 577 | 665 | 609 | 434 | 427 | 582 | 564 | 522 | 304 | 299 | 240 | 240 | 250 | 250 | 246 |
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-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 2:34AM1.74m | 5:16PM1.66m | 3:57AM1.83m | 6:00PM1.79m | 5:01AM1.95m | 6:35PM1.89m | ||||||||||||||||||
Low Tide | 10:05AM0.46m | 10:21PM1.21m | 11:06AM0.32m | 11:21PM1.08m | 11:55AM0.21m | |||||||||||||||||||
 |  |  | | | | | | | | | | | |  | |  | | | |  | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — |
mm | 2 | — | 1 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | 2 | 2 | — | — | 3 | 4 |
Temp °C | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 |
Feels °C | 25 | 26 | 26 | 27 | 28 | 28 | 29 | 29 | 30 | 28 | 29 | 31 | 31 | 31 | 32 | 32 | 31 | 32 | 32 | 31 | 32 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SSW 10 | E 14 | E 14 | E 13 | E 13 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 10 |
| kJ | 245 | 525 | 585 | 774 | 811 | 887 | 658 | 438 | 333 | 577 | 665 | 609 | 434 | 512 | 524 | 535 | 461 | 416 | 467 | 180 | 190 | 196 | 196 | 190 |
Swell 2 Height (m) Direction Period (s) | ENE 15 | ENE 10 | E 10 | E 9 | E 9 | E 9 | ENE 9 | E 9 | W 11 | SW 10 | SW 11 | SW 11 | SW 11 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | ENE 12 | S 10 | SSW 10 | ENE 12 | ENE 12 |
| kJ | 21 | 240 | 226 | 212 | 169 | 165 | 129 | 119 | 291 | 248 | 229 | 229 | 229 | 427 | 582 | 564 | 522 | 304 | 299 | 240 | 221 | 190 | 250 | 246 |
Swell 3 Height (m) Direction Period (s) | — | ENE 15 | ENE 15 | ENE 15 | ENE 14 | ENE 14 | E 14 | E 14 | E 14 | W 11 | W 10 | W 10 | W 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | E 6 | SSE 10 | ENE 12 | ENE 12 | SSW 10 | SW 10 |
| kJ | — | 21 | 21 | 42 | 41 | 70 | 106 | 195 | 306 | 227 | 171 | 127 | 128 | 174 | 123 | 119 | 97 | 58 | 44 | 173 | 240 | 250 | 154 | 94 |
Wind waves Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 7 | SSE 9 | S 10 | S 10 | S 10 | E 7 | — | — | E 6 | E 6 | — | E 6 | — | — | — | E 6 |
| kJ | 4775 | 3060 | 2053 | 1600 | 1527 | 1463 | 1390 | 1194 | 426 | 639 | 602 | 584 | 510 | 51 | — | — | 64 | 42 | — | 34 | — | — | — | 23 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 801 | 687 | 687 | 683 | 683 | 664 | 664 | 664 | 595 | 595 | 595 | 12 | 12 | 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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