Surf Forecasts:
How big are the waves at Aha Rivermouth today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 1ft (0.3m), 9s period with E swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 1ft (0.3m), 9s period with E swell.
- Evening surf: Evening surf (31 Jul, local time) - 1ft (0.3m), 9s period with E swell.
The current surf forecast for Aha Rivermouth at 1AM is: 0.2m 9s primary swell from a East-southeast direction and 0.2m 10s secondary swell from a East direction (forecast issued at 08:00pm July 30). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 1ft (0.3m) | 9s |
| Afternoon (31 Jul) | 1ft (0.3m) | 9s |
| Evening (31 Jul) | 1ft (0.3m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Warm (max 29°C on Thu night, min 28°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | ||||||||||||||||
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) | ESE 10 | ENE 13 | E 10 | E 10 | SE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 9 | ESE 11 | E 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 18 | 17 | 9 | 8 | 17 | 14 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 6 | 12 | 11 | 8 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | glassy | glassy | glassy | glassy | cross-on | on | cross-on | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 7:56PM1.89m | 7:16AM1.97m | 8:20PM1.92m | 7:52AM1.99m | 8:46PM1.94m | |||||||||||||
Low Tide | 1:33AM0.91m | 1:52PM0.27m | 2:03AM0.82m | 2:22PM0.31m | ||||||||||||||
 |  | | | | | | | | | | | | | | | | | |
 | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 |
Feels °C | 34 | 33 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 34 | 33 | 33 | 32 | 32 | 33 | 32 | 32 | 33 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 9 | ESE 9 | ESE 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 9 | E 9 |
| kJ | 18 | 8 | 9 | 8 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 6 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 8 | E 10 | E 10 | SE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 11 | SE 6 | SE 5 | S 8 | SE 9 | S 8 | ESE 9 |
| kJ | 8 | 6 | 8 | 8 | 14 | 9 | 8 | 8 | 8 | 8 | 9 | 5 | 1 | 1 | 5 | 12 | 5 | 8 |
Swell 3 Height (m) Direction Period (s) | E 8 | ENE 13 | E 8 | E 8 | ENE 13 | E 13 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 9 | S 8 | SE 5 | S 8 | ESE 11 | S 8 |
| kJ | 5 | 17 | 5 | 5 | 17 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 5 | 1 | 5 | 11 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 919 | 706 | 17 | 596 | 706 | 706 | 1290 | 861 | 926 | 951 | 919 | 919 | 919 | 1290 | 1351 | 986 | 75 | 596 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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