Surf Forecasts:
How big are the waves at Aha Rivermouth today (19 Jul):
- Afternoon surf: Afternoon surf (19 Jul, local time) - 1.5ft (0.4m), 9s period with ENE swell.
- Evening surf: Evening surf (19 Jul, local time) - 1.5ft (0.4m), 9s period with ENE swell.
The current surf forecast for Aha Rivermouth at 9PM is: 0.4m 9s primary swell from a East-northeast direction (forecast issued at 02:00pm July 19). An open ocean swell of 0.5m 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 cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jul) | - | - |
| Afternoon (19 Jul) | 1.5ft (0.4m) | 9s |
| Evening (19 Jul) | 1.5ft (0.4m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Tue morning, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | ||||||||||||||||||
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 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 31 | 31 | 47 | 45 | 43 | 43 | 42 | 42 | 42 | 42 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | off | off | glassy | off | cross-off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off |
High Tide | 9:38AM1.88m | 10:21PM1.90m | 10:26AM1.72m | 10:57PM1.84m | 11:20AM1.55m | |||||||||||||||
Low Tide | 4:00PM0.48m | 4:33AM0.72m | 4:36PM0.67m | 5:26AM0.75m | 5:13PM0.86m | |||||||||||||||
 | | |  | | | | | |  | |  | | |  | | | | | | |
 | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | 7:21 | — | — | — | — | — | — | — | 7:21 | — | — | — | — | — | — | — | 7:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 30 | 29 | 29 | 28 |
Feels °C | 33 | 33 | 33 | 34 | 33 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 32 | 30 | 32 | 32 | 34 | 33 | 33 | 32 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | ENE 9 | W 8 | W 8 | W 7 | ENE 10 | ENE 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 42 | 40 | 38 | 25 | 23 | 15 | 29 | 33 | 28 | 25 | 31 | 31 | 47 | 45 | 43 | 43 | 42 | 42 | 42 | 42 |
Swell 2 Height (m) Direction Period (s) | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | ENE 10 | ENE 10 | ENE 10 | W 7 | W 7 | W 6 | SW 7 | SW 7 | W 8 | W 8 | W 7 | W 7 | W 7 |
| kJ | 19 | 20 | 31 | 29 | 20 | 14 | 14 | 30 | 30 | 30 | 15 | 14 | 13 | 12 | 12 | 20 | 18 | 16 | 15 | 14 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | W 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | W 6 | W 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
| kJ | 29 | 29 | 28 | 28 | 28 | 28 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 6 | 12 | 7 | 7 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 44 | 12 | 12 | 12 | 12 | 70 | 596 | 12 | 12 | 12 | 17 | 12 | 12 | 12 | 17 | 12 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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