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 2PM is: 0.5m 9s primary swell from a East direction (forecast issued at 08:00am July 21). An open ocean swell of 0.4m 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 (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 ForecastSome drizzle, heaviest during Thu night. Warm (max 30°C on Wed afternoon, min 28°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||
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) | 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 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 47 | 49 | 47 | 103 | 72 | 69 | 80 | 78 | 77 | 56 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-off | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross | cross | cross | cross |
High Tide | 11:20AM1.55m | 11:36PM1.77m | 12:35PM1.40m | 00:23AM1.70m | 2:37PM1.34m | |||||||||||||||||
Low Tide | 5:26AM0.75m | 5:13PM0.86m | 6:30AM0.78m | 5:55PM1.04m | 7:49AM0.79m | 6:57PM1.19m | ||||||||||||||||
 | | |  | |  |  | | | | | | | | | | | | | | | | |
 | 5:45 | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:19 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 30 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 |
Feels °C | 31 | 32 | 33 | 32 | 33 | 35 | 34 | 32 | 33 | 33 | 34 | 34 | 33 | 33 | 32 | 32 | 33 | 32 | 32 | 32 | 33 | 33 |
Swell 1 Height (m) Direction Period (s) | 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 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 47 | 49 | 47 | 103 | 72 | 69 | 80 | 78 | 77 | 56 |
Swell 2 Height (m) Direction Period (s) | SW 7 | W 8 | W 8 | W 7 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | ENE 13 | NE 12 | NE 12 | ENE 8 | ENE 8 | W 6 | W 6 | W 6 | W 6 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 12 | 21 | 19 | 17 | 16 | 15 | 13 | 13 | 12 | 7 | 33 | 39 | 37 | 23 | 13 | 3 | 3 | 3 | 2 | 10 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | W 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | ENE 13 | ENE 13 | W 6 | W 6 | SW 6 | W 7 | W 6 | WSW 6 | SW 7 | ESE 10 | ESE 10 | W 5 | S 7 | S 7 |
| kJ | 7 | 12 | 7 | 7 | 7 | 7 | 7 | 7 | 18 | 17 | 7 | 6 | 6 | 3 | 3 | 3 | 2 | 10 | 10 | 2 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 4 | ESE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 17 | 17 | 12 | 75 | 12 | 12 | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
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