Surf Forecasts:
How big are the waves at Aha Rivermouth today (13 Oct):
- Afternoon surf: Afternoon surf (13 Oct, local time) - 3.5ft (1.0m), 13s period with E swell.
- Evening surf: Evening surf (13 Oct, local time) - 3.5ft (1.0m), 12s period with E swell.
The current surf forecast for Aha Rivermouth at 10PM is: 0.9m 12s primary swell from a East direction and 0.5m 10s secondary swell from a East-northeast direction (forecast issued at 02:00pm October 13). An open ocean swell of 0.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Oct) | - | - |
| Afternoon (13 Oct) | 3.5ft (1.0m) | 13s |
| Evening (13 Oct) | 3.5ft (1.0m) | 12s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Tue afternoon. Warm (max 26°C on Tue afternoon, min 22°C on Wed night). Winds increasing (light winds from the SSW on Tue afternoon, fresh winds from the N by Wed morning). | ||||||||||||||||||||
Tue 13 | Wednesday 14 | Thursday 15 | ||||||||||||||||||
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 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 11 | E 11 | N 6 | N 6 | N 7 | NNE 7 | N 7 | N 8 | N 8 | ENE 10 | N 8 | ENE 10 | ENE 10 | ENE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 426 | 336 | 316 | 287 | 178 | 172 | 123 | 123 | 143 | 232 | 229 | 268 | 311 | 273 | 257 | 292 | 186 | 214 | 205 | 153 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | on | on | on | cross-on |
High Tide | 7:37PM1.98m | 8:35AM1.76m | 8:01PM1.93m | 9:10AM1.65m | 8:25PM1.85m | |||||||||||||||
Low Tide | 1:43PM0.72m | 2:12AM0.24m | 2:07PM0.82m | 2:43AM0.30m | 2:31PM0.93m | |||||||||||||||
 | | |  | |  |  |  | | | | | | |  |  | | | | | |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | 5:59 | — | — |
mm | 2 | 3 | 4 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 23 | 22 | 22 | 22 | 23 | 23 | 24 |
Feels °C | 27 | 28 | 29 | 29 | 26 | 25 | 24 | 23 | 21 | 21 | 22 | 22 | 22 | 21 | 20 | 20 | 20 | 21 | 22 | 24 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | ENE 10 | ENE 10 | E 10 | ENE 10 | ENE 10 | N 8 | N 8 | N 8 | NNW 8 | NNW 8 |
| kJ | 426 | 336 | 316 | 287 | 178 | 172 | 123 | 123 | 121 | 114 | 144 | 133 | 75 | 197 | 163 | 223 | 186 | 114 | 116 | 102 |
Swell 2 Height (m) Direction Period (s) | E 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | SE 9 | SE 9 | SE 9 | NE 9 | NNW 8 | S 6 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 13 |
| kJ | 151 | 107 | 38 | 58 | 80 | 54 | 77 | 77 | 56 | 3 | 3 | 3 | 22 | 78 | 1 | 180 | 169 | 125 | 132 | 17 |
Swell 3 Height (m) Direction Period (s) | NW 6 | NW 5 | NW 5 | NW 5 | SSE 4 | SE 4 | SE 4 | SE 10 | SE 10 | SE 9 | — | — | S 7 | — | S 6 | NE 9 | NNW 8 | NNW 8 | N 8 | NNE 8 |
| kJ | 8 | 4 | 4 | 7 | 1 | 2 | 1 | 4 | 4 | 3 | — | — | 1 | — | 1 | 3 | 44 | 46 | 18 | 7 |
Wind waves Height (m) Direction Period (s) | — | SSE 4 | SE 4 | W 5 | NNW 5 | NNW 5 | NNW 5 | N 5 | N 6 | N 6 | N 7 | NNE 7 | N 7 | N 8 | N 8 | ENE 10 | — | ENE 10 | ENE 10 | ENE 9 |
| kJ | — | 5 | 5 | 2 | 29 | 41 | 41 | 61 | 143 | 232 | 229 | 268 | 311 | 273 | 257 | 292 | — | 214 | 205 | 153 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 60 | 12 | 0 | 3 | 605 | 596 | 605 | 596 | 596 | 596 | 595 | 595 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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