Surf Forecasts:
How big are the waves at Aha Rivermouth today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 2.5ft (0.7m), 10s period with ENE swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 2ft (0.6m), 10s period with ENE swell.
- Evening surf: Evening surf (16 Aug, local time) - 2ft (0.6m), 10s period with ENE swell.
The current surf forecast for Aha Rivermouth at 2PM is: 0.6m 10s primary swell from a East-northeast direction and 0.6m 5s secondary swell from a East-southeast direction (forecast issued at 08:00am August 16). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 2.5ft (0.7m) | 10s |
| Afternoon (16 Aug) | 2ft (0.6m) | 10s |
| Evening (16 Aug) | 2ft (0.6m) | 10s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Tue night. Warm (max 28°C on Sun morning, min 27°C on Sun night). Winds increasing (light winds from the SE on Sun morning, strong winds from the E by Tue night). | ||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||||||||
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 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ESE 6 | ENE 10 | E 6 | E 6 | E 6 | E 6 | E 6 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 90 | 90 | 88 | 78 | 77 | 77 | 78 | 106 | 106 | 104 | 104 | 102 | 104 | 77 | 75 | 80 | 74 | 104 | 108 | 125 | 159 | 199 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | 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 |
High Tide | 8:38AM2.05m | 9:03PM2.03m | 9:16AM1.92m | 9:31PM1.98m | 9:55AM1.76m | |||||||||||||||||
Low Tide | 2:51PM0.43m | 3:14AM0.53m | 3:20PM0.59m | 3:52AM0.57m | 3:47PM0.76m | |||||||||||||||||
 |  | | | |  |  | | | | | | | | | |  |  | | | |  | |
 | 5:58 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | 1 |
Temp °C | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 |
Feels °C | 29 | 30 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 30 | 30 | 29 | 30 | 29 | 28 | 28 | 27 | 28 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 5 | S 7 | S 7 | S 7 | S 7 |
| kJ | 90 | 90 | 88 | 78 | 77 | 77 | 78 | 106 | 106 | 104 | 104 | 102 | 104 | 77 | 75 | 55 | 74 | 14 | 22 | 15 | 15 | 10 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | SW 9 | SW 8 | SW 8 | SW 9 | SW 9 | SW 8 | SW 8 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 |
| kJ | 28 | 29 | 29 | 30 | 28 | 18 | 17 | 19 | 25 | 18 | 19 | 19 | 18 | 18 | 26 | 18 | 18 | 11 | 11 | 11 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | S 7 | S 7 | ESE 11 | ESE 11 | S 7 | ESE 11 | S 7 | S 7 | S 7 | S 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 19 | 27 | 24 | 21 | 21 | 16 | 17 | 17 | 9 | 11 | 11 | 9 | 11 | 9 | 10 | 9 | 9 | 11 | 11 | 10 | 10 | 10 |
Wind waves Height (m) Direction Period (s) | ESE 4 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 4 | SE 4 | SE 4 | SE 5 | SE 5 | SE 5 | ESE 5 | SE 4 | ESE 4 | ESE 5 | ESE 6 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | 13 | 13 | 15 | 16 | 15 | 13 | 18 | 21 | 22 | 24 | 25 | 19 | 21 | 25 | 53 | 80 | 59 | 104 | 108 | 125 | 159 | 199 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 70 | 12 | 12 | 12 | 12 | 68 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 68 | 595 | 955 | 595 | 595 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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