Surf Forecasts:
How big are the waves at Aha Rivermouth today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 1ft (0.3m), 10s period with ENE swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 1ft (0.3m), 9s period with ENE swell.
- Evening surf: Evening surf (25 Sep, local time) - 1ft (0.3m), 9s period with ENE swell.
The current surf forecast for Aha Rivermouth at 1PM is: 0.3m 10s primary swell from a East-northeast direction and 0.2m 5s secondary swell from a North direction, 0.3m 3s secondary swell from a East direction (forecast issued at 08:00am September 25). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 1ft (0.3m) | 10s |
| Afternoon (25 Sep) | 1ft (0.3m) | 9s |
| Evening (25 Sep) | 1ft (0.3m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Sun night. Warm (max 28°C on Fri afternoon, min 27°C on Fri morning). Winds increasing (light winds from the E on Fri afternoon, fresh winds from the ESE by Sun night). | ||||||||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | ||||||||||||||||||||
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 | 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 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | SE 11 | ENE 9 | SE 10 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | ESE 7 | ENE 9 | ENE 8 | ENE 8 | SE 7 | SE 7 | ENE 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 18 | 18 | 18 | 17 | 16 | 16 | 60 | 16 | 157 | 188 | 206 | 164 | 196 | 165 | 196 | 61 | 15 | 14 | 14 | 144 | 114 | 33 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross |
High Tide | 5:42AM1.86m | 6:16PM1.91m | 6:18AM1.97m | 6:39PM1.98m | 6:55AM2.05m | 7:04PM2.03m | ||||||||||||||||
Low Tide | 12:00PM0.44m | 00:16AM0.58m | 12:31PM0.42m | 00:45AM0.42m | 1:01PM0.45m | |||||||||||||||||
 |  |  | | |  |  | |  | | |  | | | | | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | 1 | — | — | — | 3 | 2 | 2 | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 29 | 28 | 29 | 29 | 31 | 30 | 30 | 30 | 29 | 31 | 30 | 31 | 30 | 31 | 30 | 31 | 30 | 30 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | SE 12 | SE 11 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SSE 8 | ENE 9 | ENE 8 | ENE 8 | SSE 9 | S 10 | S 10 |
| kJ | 18 | 18 | 18 | 17 | 16 | 37 | 60 | 106 | 157 | 188 | 206 | 164 | 196 | 165 | 196 | 144 | 15 | 14 | 14 | 516 | 464 | 752 |
Swell 2 Height (m) Direction Period (s) | N 6 | N 6 | N 5 | SE 8 | SE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SSE 11 | ENE 9 | S 10 | ENE 9 | ENE 9 | — | — | — | ENE 8 | ENE 8 | ENE 10 |
| kJ | 2 | 2 | 2 | 3 | 3 | 16 | 16 | 16 | 16 | 16 | 16 | 23 | 16 | 53 | 16 | 16 | — | — | — | 14 | 24 | 33 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 9 | N 5 | N 5 | SE 8 | — | — | N 4 | N 4 | NE 11 | ENE 9 | E 11 | ENE 9 | ENE 9 | — | — | — | — | ENE 8 | ENE 8 | — |
| kJ | 3 | 3 | 3 | 2 | 2 | 3 | — | — | 2 | 1 | 5 | 16 | 2 | 16 | 26 | — | — | — | — | 13 | 13 | — |
Wind waves Height (m) Direction Period (s) | — | — | E 3 | E 3 | E 3 | E 3 | E 3 | E 3 | — | — | — | — | NE 6 | — | — | ESE 7 | SSE 8 | SE 8 | SSE 8 | SE 7 | SE 7 | — |
| kJ | — | — | 1 | 2 | 2 | 2 | 2 | 2 | — | — | — | — | 1 | — | — | 61 | 208 | 236 | 285 | 144 | 114 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 1468 | 1504 | 1243 | 1243 | 861 | 861 | 68 | 68 | 68 | 68 | 68 | 68 | 70 | 68 | 68 | 70 | 70 | 70 | 70 | 70 | 70 | 644 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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