Surf Forecasts:
How big are the waves at Aha Rivermouth today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
- Evening surf: Evening surf (21 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
The current surf forecast for Aha Rivermouth at 12AM is: 0.5m 10s primary swell from a East direction (forecast issued at 08:00pm July 20). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 1.5ft (0.5m) | 9s |
| Afternoon (21 Jul) | 1.5ft (0.5m) | 9s |
| Evening (21 Jul) | 1.5ft (0.5m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu afternoon. Warm (max 30°C on Wed afternoon, min 27°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||
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 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | NE 12 | E 10 | ENE 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 31 | 31 | 47 | 45 | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 47 | 49 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | cross-off | cross-off | glassy | glassy | off | cross-off | cross-off | glassy | glassy | cross-on | cross | glassy |
High Tide | 10:57PM1.84m | 11:20AM1.55m | 11:36PM1.77m | 12:35PM1.40m | ||||||||||||||
Low Tide | 4:36PM0.67m | 5:26AM0.75m | 5:13PM0.86m | 6:30AM0.78m | 5:55PM1.04m | |||||||||||||
 |  | |  |  |  | | | | | | | | | | | |  | |
 | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | 7:21 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 28 | 28 | 27 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 30 | 30 | 29 |
Feels °C | 33 | 32 | 31 | 31 | 30 | 33 | 32 | 33 | 34 | 34 | 34 | 32 | 32 | 34 | 33 | 33 | 34 | 34 |
Swell 1 Height (m) Direction Period (s) | W 7 | ENE 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | ENE 11 |
| kJ | 23 | 31 | 47 | 45 | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 47 | 49 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | W 7 | SW 7 | SW 7 | SW 7 | W 8 | W 8 | W 7 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | W 7 | NE 12 | NE 12 | ENE 8 |
| kJ | 31 | 14 | 17 | 17 | 12 | 21 | 29 | 17 | 16 | 15 | 7 | 7 | 7 | 7 | 8 | 39 | 37 | 23 |
Swell 3 Height (m) Direction Period (s) | SW 7 | SW 7 | W 6 | W 6 | W 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | ENE 13 | ENE 13 | W 6 | W 6 | W 6 |
| kJ | 17 | 17 | 13 | 12 | 7 | 12 | 12 | 7 | 7 | 7 | 7 | 7 | 7 | 17 | 33 | 7 | 7 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 17 | 17 | 17 | 12 | 12 | 12 | 17 | 17 | 12 | 0 | 0 | 12 | 12 | 0 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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