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Surf Forecasts:
Aha Rivermouth surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Thursday 09 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 9AM is: 1.2m 5s primary swell from a East-southeast direction and 0.5m 10s secondary swell from a East direction, 0.4m 6s secondary swell from a North-northwest direction (forecast issued at 02:00am April 09). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | 4ft (1.2m) | 5s |
| Afternoon (09 Apr) | 1.5ft (0.5m) | 10s |
| Evening (09 Apr) | 2ft (0.6m) | 10s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| 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) (?) | 7 | 9 | 5 | 5 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 64 | 43 | 44 | 69 | 52 | 52 | 71 | 71 | 68 | 64 | 63 | 83 | 113 | 115 | 123 | 128 | 128 | 122 | 92 | 90 | 87 | 87 | 113 | 151 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | cross- off | glass | glass | on | on |
High Tide / height (m) | 10:48PM 1.23 | 9:28AM 1.45 | 12:28AM 1.16 | 10:10AM 1.32 | 3:13AM 1.23 | 12:16PM 1.21 | ||||||||||||||||||
Low Tide / height (m) | 3:27AM 0.97 | 5:01PM 0.48 | 4:16AM 1.09 | 6:34PM 0.56 | 7:59AM 1.12 | 8:24PM 0.55 | ||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:47 | - |
 | | |  |  |  | |  | | | | | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 25 | 24 | 24 | 24 | 23 | 23 | 22 |
| Feels °C (?) | 17 | 17 | 18 | 18 | 19 | 20 | 21 | 21 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 27 | 28 | 26 | 25 | 23 |
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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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