
Surf Forecasts:
How big are the waves at Aha Rivermouth today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 1.5ft (0.5m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 2ft (0.6m), 9s period with ESE swell.
- Evening surf: Evening surf (21 Jun, local time) - 2ft (0.6m), 9s period with ESE swell.
The current surf forecast for Aha Rivermouth at 2PM is: 0.6m 9s primary swell from a East-southeast direction (forecast issued at 08:00am June 21). An open ocean swell of 0.6m 7s is not directed at the surf break, a second open ocean swell of 0.2m 2s 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 Jun) | 1.5ft (0.5m) | 9s |
| Afternoon (21 Jun) | 2ft (0.6m) | 9s |
| Evening (21 Jun) | 2ft (0.6m) | 9s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 29°C on Tue afternoon, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 12 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 12 | SE 13 | E 8 | ENE 10 | ENE 10 | ENE 10 | SE 12 | ENE 12 | SE 12 | SE 12 | SE 12 |
Wave Graph | ||||||||||||||||||||||||
39 | 39 | 52 | 50 | 50 | 50 | 50 | 73 | 189 | 179 | 184 | 240 | 173 | 437 | 594 | 12 | 10 | 10 | 10 | 22 | 14 | 22 | 34 | 34 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | off | off | off | off | off | glassy | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross |
High Tide | 10:54AM1.63m | 00:01AM1.71m | 12:07PM1.49m | 00:54AM1.68m | 1:39PM1.41m | 1:50AM1.68m | ||||||||||||||||||
Low Tide | 5:13AM0.87m | 5:25PM0.58m | 6:21AM0.84m | 6:19PM0.76m | 7:36AM0.79m | 7:20PM0.91m | ||||||||||||||||||
5:33 | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | |
— | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | 7:22 | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 29 | 28 | 27 | 27 | 27 |
Feels °C | 28 | 29 | 30 | 31 | 31 | 30 | 29 | 28 | 28 | 30 | 29 | 31 | 31 | 29 | 30 | 30 | 30 | 31 | 31 | 33 | 32 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 7 | W 7 | W 7 | W 7 | ESE 9 | ESE 9 | ESE 9 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 12 | SE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | S 12 | S 12 |
58 | 52 | 36 | 36 | 34 | 50 | 50 | 52 | 189 | 179 | 184 | 240 | 173 | 437 | 594 | 725 | 816 | 776 | 650 | 593 | 679 | 634 | 773 | 710 | |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | W 7 | W 7 | SE 12 | W 7 | W 6 | W 6 | WSW 6 | SSE 14 | W 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | E 8 | E 8 | SE 12 | ESE 9 | ESE 8 |
39 | 39 | 52 | 50 | 50 | 23 | 23 | 73 | 21 | 13 | 12 | 12 | 121 | 7 | 7 | 7 | 3 | 3 | 3 | 11 | 12 | 22 | 30 | 25 | |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | NE 9 | NE 9 | SE 11 | ESE 14 | SE 13 | W 7 | NE 9 | NE 10 | NE 10 | NE 10 | W 6 | NW 6 | NNW 6 | E 8 | ENE 10 | ENE 10 | ENE 10 | SE 12 | ENE 12 | ENE 12 | SE 12 | SE 12 |
5 | 6 | 3 | 3 | 5 | 18 | 44 | 23 | 3 | 4 | 4 | 4 | 7 | 2 | 4 | 12 | 10 | 10 | 10 | 22 | 14 | 14 | 34 | 34 | |
Wind waves Height (m) Direction Period (s) | SW 7 | — | SSW 2 | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
13 | — | 1 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 0 | 595 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)











