Surf Forecasts:
How big are the waves at Aha Rivermouth today (18 Jul):
- Afternoon surf: Afternoon surf (18 Jul, local time) - 1ft (0.3m), 10s period with ENE swell.
- Evening surf: Evening surf (18 Jul, local time) - 1ft (0.3m), 10s period with ENE swell.
The current surf forecast for Aha Rivermouth at 8PM is: 0.3m 10s primary swell from a East-northeast direction (forecast issued at 02:00pm July 18). An open ocean swell of 0.6m 7s is not directed at the surf break, a second open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | - | - |
| Afternoon (18 Jul) | 1ft (0.3m) | 10s |
| Evening (18 Jul) | 1ft (0.3m) | 10s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Sun morning, min 27°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 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) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 18 | 18 | 18 | 18 | 31 | 31 | 31 | 30 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 31 | 31 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | glassy | glassy | cross-off | cross-off | off | cross-off | off | off | off | off | off | off | off | off |
High Tide | 9:47PM1.94m | 9:38AM1.88m | 10:21PM1.90m | 10:26AM1.72m | ||||||||||||||||
Low Tide | 3:24PM0.31m | 3:46AM0.71m | 4:00PM0.48m | 4:33AM0.72m | 4:36PM0.67m | |||||||||||||||
 | | |  | | | | | | | | |  |  |  | | | | | | |
 | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | — | — | 7:21 | — | — | — | — | — | — | — | 7:21 | — | — | — | — | — | — | — | 7:21 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 29 | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 29 | 29 |
Feels °C | 34 | 33 | 33 | 32 | 31 | 31 | 32 | 34 | 34 | 33 | 34 | 33 | 32 | 31 | 31 | 31 | 32 | 33 | 33 | 33 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 7 | W 7 | W 7 | W 9 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | SW 7 | SW 7 | W 8 | W 8 | W 7 | W 7 | W 7 |
| kJ | 51 | 43 | 39 | 38 | 25 | 76 | 65 | 43 | 42 | 41 | 38 | 25 | 23 | 26 | 25 | 32 | 28 | 25 | 23 | 23 |
Swell 2 Height (m) Direction Period (s) | SW 8 | ENE 10 | ENE 10 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 8 | SW 8 | SW 8 | ENE 9 | W 7 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 20 | 18 | 18 | 30 | 21 | 22 | 22 | 20 | 19 | 20 | 31 | 29 | 28 | 15 | 29 | 30 | 30 | 30 | 31 | 31 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | SE 8 | ESE 8 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SE 9 | ENE 9 | W 7 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 |
| kJ | 18 | 11 | 7 | 18 | 31 | 31 | 31 | 30 | 29 | 29 | 28 | 28 | 3 | 28 | 14 | 3 | 3 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | SW 7 | SW 8 | — | — | — | — | — | — | — | — | — | SW 8 | — | — | SW 7 | SW 7 | SSW 7 | SW 7 | SSW 7 |
| kJ | — | 25 | 31 | — | — | — | — | — | — | — | — | — | 28 | — | — | 23 | 23 | 31 | 23 | 20 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 596 | 596 | 17 | 12 | 12 | 17 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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