Surf Forecasts:
How big are the waves at Aha Rivermouth today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 3.5ft (1.1m), 8s period with E swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 4.5ft (1.3m), 9s period with E swell.
- Evening surf: Evening surf (19 Oct, local time) - 3.5ft (1.0m), 9s period with ENE swell.
The current surf forecast for Aha Rivermouth at 5AM is: 1.1m 8s primary swell from a East direction and 0.2m 10s secondary swell from a East-northeast direction (forecast issued at 08:00pm October 18). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 3.5ft (1.1m) | 8s |
| Afternoon (19 Oct) | 4.5ft (1.3m) | 9s |
| Evening (19 Oct) | 3.5ft (1.0m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Wed afternoon. Warm (max 27°C on Sun night, min 26°C on Sun night). Winds increasing (light winds from the E on Sun night, strong winds from the NNE by Wed afternoon). | ||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | ||||||||||||||||
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 | ESE 8 | E 9 | E 9 | ENE 9 | ENE 9 | ESE 14 | ESE 14 | ESE 13 | ESE 14 | ESE 13 | ESE 13 | ESE 15 |
Wave Graph  | ||||||||||||||||||
 kJ | 310 | 208 | 176 | 144 | 144 | 152 | 147 | 262 | 311 | 177 | 181 | 183 | 876 | 1058 | 1570 | 1139 | 972 | 2155 |
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 | 9:55PM1.48m | 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 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 |
Feels °C | 29 | 29 | 28 | 28 | 29 | 29 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ESE 14 | ESE 13 | ESE 14 | ESE 13 | ESE 13 | ESE 15 |
| kJ | 208 | 208 | 176 | 144 | 144 | 152 | 147 | 262 | 311 | 177 | 181 | 177 | 876 | 1058 | 1570 | 1139 | 972 | 2155 |
Swell 2 Height (m) Direction Period (s) | ENE 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 10 | SE 19 | SE 16 | SE 16 | ENE 10 |
| kJ | 11 | 11 | 11 | 11 | 11 | 11 | 76 | 30 | 52 | 127 | 158 | 180 | 143 | 132 | 123 | 437 | 602 | 96 |
Swell 3 Height (m) Direction Period (s) | SE 11 | 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 | SE 16 | ENE 10 | — |
| kJ | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 98 | 123 | 183 | 237 | — | 318 | 523 | 163 | — |
Wind waves Height (m) Direction Period (s) | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 10 |
| kJ | 310 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 210 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 66 | 66 | 40 | 12 | 12 | 44 | 44 | 66 | 919 | 44 | 44 | 44 | 68 | 66 | 68 | 60 | 66 | 40 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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