Surf Forecasts:
How big are the waves at Aha Rivermouth today (23 Oct):
- Morning surf: Morning surf (23 Oct, local time) - 8ft (2.5m), 8s period with E swell.
- Afternoon surf: Afternoon surf (23 Oct, local time) - 1.5ft (0.4m), 8s period with NNW swell.
- Evening surf: Evening surf (23 Oct, local time) - 1ft (0.3m), 8s period with N swell.
The current surf forecast for Aha Rivermouth at 3AM is: 3.0m 8s primary swell from a East direction and 1.1m 8s secondary swell from a North direction (forecast issued at 08:00pm October 22). An open ocean swell of 3.5m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Oct) | 8ft (2.5m) | 8s |
| Afternoon (23 Oct) | 1.5ft (0.4m) | 8s |
| Evening (23 Oct) | 1ft (0.3m) | 8s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 48mm), heaviest during Thu night. Warm (max 27°C on Fri morning, min 25°C on Thu night). Winds decreasing (near gales from the E on Thu night, moderate winds from the SE by Sun afternoon). | ||||||||||||||||||
Thu 22 | Friday 23 | Saturday 24 | ||||||||||||||||
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 7 | E 8 | E 8 | E 8 | SE 14 | E 8 | N 8 | NNW 8 | NNW 8 | N 8 | SSW 14 | SSE 13 | SE 9 | SSE 9 | SSE 10 | SSE 10 | NE 11 | NE 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 710 | 750 | 849 | 1014 | 9604 | 1009 | 48 | 21 | 12 | 10 | 0 | 0 | 1914 | 0 | 0 | 0 | 5 | 5 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:35PM1.68m | 4:38AM1.64m | 5:02PM1.78m | 5:22AM1.78m | 5:29PM1.87m | |||||||||||||
Low Tide | 10:42PM0.74m | 10:45AM0.58m | 11:13PM0.54m | 11:23AM0.55m | ||||||||||||||
 |  | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | 8 | 5 | 12 | 6 | 2 | 1 | 2 | 2 | 3 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 2 | 1 |
Temp °C | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 20 | 21 | 21 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 14 | SSE 14 | SSE 14 | SSE 14 | NNW 8 | SSE 14 | N 8 | NNW 8 | NNW 8 | N 8 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SSW 12 | SSW 12 | SW 12 | SW 13 |
| kJ | 5821 | 5081 | 5020 | 5322 | 115 | 6997 | 48 | 21 | 12 | 10 | 11003 | 5173 | 2103 | 721 | 1680 | 782 | 392 | 569 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | — | N 8 | — | — | — | — | — | — | — | — | — | — | — | NE 11 |
| kJ | 351 | 270 | 200 | 173 | — | 68 | — | — | — | — | — | — | — | — | — | — | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 11 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — |
Wind waves Height (m) Direction Period (s) | ENE 7 | E 8 | E 8 | E 8 | SE 14 | E 8 | SSE 14 | SSE 14 | SSE 15 | SSE 15 | SSE 14 | SSE 13 | SE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 9 | SSE 9 |
| kJ | 710 | 750 | 849 | 1014 | 9604 | 1009 | 10022 | 10608 | 11440 | 9784 | 8085 | 6608 | 1914 | 2512 | 2566 | 2274 | 1675 | 1385 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 595 | 595 | 595 | 595 | 595 | 595 | 693 | 693 | 693 | 595 | 595 | 595 | 595 | 621 | 639 | 685 | 644 | 664 |
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