Surf Forecasts:
How big are the waves at Aha Rivermouth today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 4.5ft (1.4m), 8s period with E swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 4.5ft (1.4m), 8s period with E swell.
- Evening surf: Evening surf (18 Oct, local time) - 4.5ft (1.3m), 8s period with E swell.
The current surf forecast for Aha Rivermouth at 2AM is: 1.5m 7s primary swell from a East direction and 0.4m 10s secondary swell from a East-northeast direction, 0.4m 11s secondary swell from a Northeast direction (forecast issued at 08:00pm October 17). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 4.5ft (1.4m) | 8s |
| Afternoon (18 Oct) | 4.5ft (1.4m) | 8s |
| Evening (18 Oct) | 4.5ft (1.3m) | 8s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Warm (max 27°C on Sun morning, min 25°C on Sat night). Mainly fresh winds. | ||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | ||||||||||||||||
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 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 9 | E 9 | E 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 239 | 239 | 236 | 249 | 223 | 223 | 229 | 235 | 208 | 207 | 202 | 172 | 172 | 149 | 94 | 262 | 311 | 181 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:17PM1.62m | 12:03PM1.36m | 9:55PM1.48m | 2:28PM1.38m | ||||||||||||||
Low Tide | 3:26PM1.14m | 4:44AM0.62m | 4:19PM1.24m | 6:03AM0.72m | 7:27PM1.27m | |||||||||||||
 | | | |  |  |  | | | | | | | | |  | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 23 | 22 | 23 | 26 | 26 | 28 | 27 | 28 | 28 | 28 | 29 | 28 | 29 | 30 | 30 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | NE 10 | NE 10 | ENE 11 | NE 11 | NE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | E 8 | E 8 | ESE 8 | E 9 | E 9 | ENE 9 |
| kJ | 43 | 39 | 37 | 27 | 27 | 12 | 19 | 19 | 11 | 11 | 11 | 11 | 172 | 149 | 94 | 262 | 311 | 181 |
Swell 2 Height (m) Direction Period (s) | N 6 | — | — | NE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | ENE 10 | NE 10 | ENE 9 | ESE 18 | ESE 16 | ESE 9 |
| kJ | 1 | — | — | 33 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 11 | 16 | 94 | 30 | 51 | 121 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 13 | E 13 | E 13 | E 14 | E 14 | E 13 | E 13 | SE 10 | N 7 | N 6 | N 6 | N 6 | ESE 16 |
| kJ | — | — | — | — | — | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 98 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | — | — | — |
| kJ | 239 | 239 | 236 | 249 | 223 | 223 | 229 | 235 | 208 | 207 | 202 | 172 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 687 | 70 | 66 | 66 | 66 | 66 | 40 | 66 | 66 | 66 | 40 | 40 | 40 | 40 | 12 | 627 | 40 | 68 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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