Surf Forecasts:
How big are the waves at Aha Rivermouth today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 1.5ft (0.4m), 8s period with NE swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 1.5ft (0.4m), 8s period with NE swell.
- Evening surf: Evening surf (18 Jun, local time) - 1ft (0.3m), 9s period with E swell.
The current surf forecast for Aha Rivermouth at 4AM is: 0.4m 9s primary swell from a Northeast direction (forecast issued at 08:00pm June 17). An open ocean swell of 0.4m 6s is not directed at the surf break, a second open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 1.5ft (0.4m) | 8s |
| Afternoon (18 Jun) | 1.5ft (0.4m) | 8s |
| Evening (18 Jun) | 1ft (0.3m) | 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 27°C on Thu afternoon, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | ENE 8 | ENE 9 | ENE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | E 9 | E 9 | SE 10 | E 9 | E 9 | E 9 | E 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 28 | 29 | 30 | 19 | 18 | 18 | 18 | 18 | 15 | 15 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 24 | 25 | 25 | 24 | 24 | 23 | 23 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off |
High Tide | 8:59PM1.87m | 8:14AM2.00m | 9:42PM1.83m | 9:02AM1.90m | 10:26PM1.79m | 9:54AM1.77m | ||||||||||||||||||
Low Tide | 2:30AM0.88m | 3:04PM0.09m | 3:19AM0.87m | 3:49PM0.23m | 4:13AM0.87m | |||||||||||||||||||
 |  | | | |  | | | |  | | |  | | | | |  | | | | | | | |
 | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — |
 | 7:21 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | 7:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 |
Feels °C | 32 | 30 | 29 | 29 | 29 | 29 | 28 | 30 | 29 | 30 | 28 | 29 | 28 | 29 | 28 | 29 | 28 | 27 | 27 | 28 | 28 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | W 7 | W 6 | NE 9 | W 7 | W 7 | W 6 | W 6 | WSW 6 | W 6 | W 7 | WSW 7 | WSW 6 | WSW 7 | WSW 7 | W 7 | SE 10 | SE 10 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 |
| kJ | 35 | 21 | 12 | 19 | 14 | 14 | 12 | 11 | 11 | 6 | 8 | 15 | 13 | 15 | 15 | 14 | 15 | 24 | 17 | 17 | 33 | 49 | 46 | 59 |
Swell 2 Height (m) Direction Period (s) | W 7 | ENE 9 | ENE 9 | W 6 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | E 9 | E 9 | E 9 | E 9 | SE 10 | E 9 | E 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 26 | 29 | 30 | 12 | 18 | 18 | 18 | 18 | 14 | 14 | 7 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 25 | 25 | 24 | 24 | 23 | 23 |
Swell 3 Height (m) Direction Period (s) | ENE 8 | E 10 | E 9 | E 9 | SW 6 | E 9 | E 10 | E 9 | E 9 | E 9 | SE 10 | ENE 8 | ENE 9 | SE 9 | SE 9 | E 9 | ENE 10 | ENE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 28 | 17 | 13 | 13 | 6 | 15 | 16 | 15 | 15 | 15 | 14 | 7 | 8 | 13 | 14 | 14 | 10 | 10 | 15 | 15 | 14 | 6 | 6 | 13 |
Wind waves Height (m) Direction Period (s) | — | SSW 6 | SSW 6 | SSW 4 | S 4 | SSW 6 | SSW 6 | SSW 3 | SSW 4 | SSW 4 | SSW 4 | SSW 3 | S 3 | SSW 3 | S 3 | S 4 | SW 6 | SW 6 | S 4 | S 4 | S 4 | S 4 | SSW 4 | S 4 |
| kJ | — | 24 | 23 | 10 | 7 | 22 | 18 | 6 | 4 | 6 | 5 | 3 | 1 | 3 | 8 | 10 | 36 | 33 | 6 | 9 | 7 | 9 | 11 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 70 | 70 | 17 | 605 | 673 | 17 | 627 | 621 | 621 | 596 | 596 | 914 | 621 | 644 | 746 | 12 | 70 | 70 | 12 | 935 | 1316 | 12 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Aha Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest