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Surf Forecasts:
Aha Rivermouth surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Sunday 12 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
23.1° 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 8AM is: 0.8m 10s primary swell from a East-southeast direction and 0.4m 7s secondary swell from a North direction (forecast issued at 02:00am April 12). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Apr) | 2.5ft (0.8m) | 10s |
| Afternoon (12 Apr) | 2.5ft (0.8m) | 10s |
| Evening (12 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
Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 158 | 150 | 141 | 139 | 139 | 136 | 136 | 133 | 133 | 136 | 136 | 144 | 150 | 150 | 147 | 144 | 141 | 144 | 155 | 191 | 187 | 187 | 191 | 298 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | cross | cross- on |
High Tide / height (m) | 4:00AM 1.35 | 2:53PM 1.26 | 4:30AM 1.47 | 4:05PM 1.42 | 4:56AM 1.58 | 4:55PM 1.59 | ||||||||||||||||||
Low Tide / height (m) | 9:42AM 0.97 | 9:37PM 0.48 | 10:24AM 0.77 | 10:27PM 0.40 | 10:57AM 0.56 | |||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:49 | - | - | - | - | - | - | - | 6:49 | - |
 | | |  |  |  | |  |  | | | | | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - |
| Temp. °C | 21 | 22 | 22 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 25 | 24 | 25 | 26 | 25 | 24 | 25 | 24 | 24 | 24 | 24 | 25 | 24 | 23 |
| Feels °C (?) | 23 | 24 | 24 | 26 | 24 | 25 | 26 | 25 | 25 | 24 | 25 | 23 | 25 | 25 | 25 | 24 | 26 | 25 | 25 | 24 | 24 | 26 | 25 | 26 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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