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Surf Forecasts:
Aha Rivermouth surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Friday 10 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Aha Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aha Rivermouth sea temperature is
22.8° C
(Which is normal for this time of year)How big are the waves at Aha Rivermouth today?
The current surf forecast for Aha Rivermouth at 2PM is: 0.8m 9s primary swell from a East-southeast direction and 0.2m 10s secondary swell from a East-northeast direction (forecast issued at 08:00am April 10). An open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Apr) | 2.5ft (0.7m) | 9s |
| Afternoon (10 Apr) | 2.5ft (0.8m) | 9s |
| Evening (10 Apr) | 2.5ft (0.8m) | 10s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 10 | Saturday 11 | Sunday 12 | Mon 13 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 85 | 83 | 113 | 115 | 123 | 128 | 131 | 122 | 92 | 90 | 87 | 87 | 115 | 160 | 151 | 143 | 135 | 173 | 136 | 136 | 136 | 133 | 133 | 133 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | off | off | off | off | cross- on | on | on | on | on | on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:10AM 1.32 | 3:13AM 1.23 | 12:16PM 1.21 | 4:00AM 1.35 | 2:53PM 1.26 | |||||||||||||||||||
Low Tide / height (m) | 4:16AM 1.09 | 6:34PM 0.56 | 7:59AM 1.12 | 8:24PM 0.55 | 9:42AM 0.97 | 9:37PM 0.48 | ||||||||||||||||||
Friday 10 | Saturday 11 | Sunday 12 | Mon 13 | |||||||||||||||||||||
| Sunrise | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:47 | - | - | - |
 |  | | | | | |  |  |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 25 | 25 | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 24 | 25 | 24 | 24 | 24 | 24 |
| Feels °C (?) | 22 | 22 | 24 | 24 | 24 | 25 | 26 | 25 | 25 | 25 | 25 | 24 | 23 | 21 | 21 | 21 | 21 | 22 | 24 | 25 | 24 | 24 | 24 | 24 |
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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
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