Surf Forecasts:
How big are the waves at Aha Rivermouth today (18 Oct):
- Afternoon surf: Afternoon surf (18 Oct, local time) - 4.5ft (1.3m), 8s period with E swell.
- Evening surf: Evening surf (18 Oct, local time) - 5ft (1.5m), 8s period with E swell.
The current surf forecast for Aha Rivermouth at 8PM is: 1.3m 8s primary swell from a East direction and 0.2m 11s secondary swell from a East-northeast direction (forecast issued at 02:00pm October 18). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | - | - |
| Afternoon (18 Oct) | 4.5ft (1.3m) | 8s |
| Evening (18 Oct) | 5ft (1.5m) | 8s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sun afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | ||||||||||||||||||
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 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | ENE 9 | ENE 9 | ESE 14 | ESE 14 | ESE 13 | ESE 14 | ESE 13 | ESE 13 | ESE 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 310 | 203 | 208 | 277 | 176 | 172 | 144 | 153 | 140 | 262 | 268 | 181 | 181 | 183 | 779 | 965 | 1621 | 1236 | 1193 | 2503 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on |
High Tide | 12:03PM1.36m | 9:55PM1.48m | 2:28PM1.38m | 11:32PM1.35m | 3:33PM1.48m | |||||||||||||||
Low Tide | 4:19PM1.24m | 6:03AM0.72m | 7:27PM1.27m | 7:48AM0.74m | ||||||||||||||||
 | |  | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — |
 | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 28 | 28 | 29 | 30 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | E 8 | NE 11 | ENE 11 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ESE 14 | ESE 13 | ESE 14 | ESE 13 | ESE 13 | ESE 16 |
| kJ | 198 | 19 | 11 | 207 | 176 | 172 | 144 | 153 | 140 | 262 | 268 | 181 | 181 | 177 | 779 | 965 | 1621 | 1236 | 1193 | 2503 |
Swell 2 Height (m) Direction Period (s) | NE 11 | SE 11 | SE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ESE 18 | ESE 16 | ESE 9 | ESE 9 | ESE 9 | ENE 9 | ENE 9 | ENE 9 | SE 18 | SE 16 | NNW 8 |
| kJ | 30 | 5 | 4 | 11 | 11 | 11 | 11 | 11 | 58 | 30 | 52 | 121 | 158 | 180 | 143 | 140 | 202 | 260 | 617 | 6 |
Swell 3 Height (m) Direction Period (s) | SE 11 | E 13 | E 14 | SE 10 | SE 10 | SE 10 | SE 10 | N 7 | N 6 | N 6 | N 6 | ESE 16 | ESE 15 | ESE 14 | ESE 9 | — | SE 18 | ENE 9 | ENE 9 | — |
| kJ | 5 | 3 | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 98 | 123 | 183 | 237 | — | 210 | 169 | 126 | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 10 |
| kJ | 310 | 203 | 208 | 277 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 132 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 12 | 60 | 40 | 40 | 12 | 12 | 12 | 44 | 66 | 66 | 919 | 44 | 44 | 44 | 12 | 60 | 60 | 40 | 66 | 40 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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