Surf Forecasts:
How big are the waves at Aha Rivermouth today (07 Aug):
- Morning surf: Morning surf (07 Aug, local time) - 16ft (5.0m), 15s period with ENE swell.
- Afternoon surf: Afternoon surf (07 Aug, local time) - 10ft (3.0m), 11s period with N swell.
- Evening surf: Evening surf (07 Aug, local time) - 3ft (0.9m), 12s period with ENE swell.
The current surf forecast for Aha Rivermouth at 4AM is: 5.5m 16s primary swell from a East-northeast direction and 4.5m 10s secondary swell from a North direction (forecast issued at 08:00pm August 06). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Aug) | 16ft (5.0m) | 15s |
| Afternoon (07 Aug) | 10ft (3.0m) | 11s |
| Evening (07 Aug) | 3ft (0.9m) | 12s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 185mm), heaviest during Fri night. Warm (max 29°C on Fri afternoon, min 27°C on Thu night). Winds decreasing (stormy winds from the NW on Fri morning, strong winds from the SSE by Sun afternoon). | ||||||||||||||||||
Thu 6 | Friday 7 | Saturday 8 | ||||||||||||||||
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 16 | ENE 16 | ENE 15 | ENE 15 | ENE 16 | ENE 15 | N 12 | N 11 | N 11 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | E 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 12992 | 13106 | 12672 | 12969 | 14690 | 10415 | 5328 | 2118 | 1109 | 232 | 224 | 217 | 259 | 254 | 206 | 191 | 176 | 196 |
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 | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:45PM1.78m | 2:06PM1.45m | 00:58AM1.73m | 4:10PM1.52m | ||||||||||||||
Low Tide | 5:31PM1.05m | 7:08AM0.65m | 6:49PM1.21m | 8:43AM0.59m | 8:47PM1.28m | |||||||||||||
 |  |  | | | | | | | | | | | | | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | 7:10 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — |
mm | 1 | 4 | 10 | 3 | 11 | 13 | 32 | 17 | 22 | 41 | 9 | 4 | 2 | 3 | 1 | 1 | 2 | 1 |
Temp °C | 29 | 27 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 |
Feels °C | 25 | 21 | 23 | 21 | 19 | 17 | 23 | 20 | 20 | 20 | 19 | 21 | 22 | 21 | 22 | 23 | 24 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 16 | ENE 16 | ENE 15 | ENE 15 | ENE 16 | ENE 15 | N 12 | N 11 | N 11 | WNW 11 | W 11 | W 12 | WSW 12 | WSW 13 | W 13 | WSW 13 | WSW 14 | WSW 14 |
| kJ | 12992 | 13106 | 12672 | 12969 | 14690 | 10415 | 5328 | 2118 | 1109 | 2614 | 2423 | 2344 | 3610 | 4077 | 4526 | 5436 | 6043 | 5406 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | ENE 13 | ENE 12 | E 12 | N 10 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | E 10 |
| kJ | — | — | — | — | — | — | 4138 | 794 | 289 | 171 | 224 | 217 | 259 | 254 | 206 | 191 | 176 | 196 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | ENE 16 | — | ENE 12 | ENE 16 | ENE 16 | ENE 16 | ENE 15 | ENE 15 | ENE 15 | ENE 15 | ENE 15 |
| kJ | — | — | — | — | — | — | — | 392 | — | 232 | 25 | 25 | 25 | 23 | 21 | 21 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | N 8 | NNE 9 | N 10 | N 10 | N 10 | NNW 11 | NW 10 | WNW 9 | WSW 9 | SSW 10 | S 9 | S 10 | S 10 | S 10 | SSW 11 | S 11 | S 10 | S 10 |
| kJ | 965 | 2202 | 2895 | 3413 | 5865 | 8892 | 4151 | 3203 | 6393 | 6749 | 4283 | 6121 | 5669 | 5961 | 7904 | 4831 | 2777 | 2179 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 931 | 673 | 673 | 673 | 673 | 673 | 861 | 1380 | 815 | 687 | 687 | 687 | 687 | 801 | 984 | 801 | 801 | 687 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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