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Surf Forecasts:
Aha Rivermouth surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Tuesday 14 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
23.5° 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 7AM is: 0.9m 10s primary swell from a East-southeast direction and 0.2m 4s secondary swell from a North-northwest direction (forecast issued at 02:00am April 14). An open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Apr) | 3ft (0.9m) | 10s |
| Afternoon (14 Apr) | 3ft (0.9m) | 10s |
| Evening (14 Apr) | 3.5ft (1.0m) | 12s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 14 | Wednesday 15 | Thursday 16 | ||||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 13 | 13 | 18 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 141 | 144 | 144 | 191 | 187 | 187 | 242 | 298 | 317 | 378 | 396 | 1165 | 1284 | 1427 | 1569 | 1849 | 1634 | 1400 | 1275 | 1572 | 1675 | 1675 | 1654 | 1634 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | cross- off | cross | cross | cross | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on |
High Tide / height (m) | 4:56AM 1.58 | 4:55PM 1.59 | 5:23AM 1.69 | 5:39PM 1.74 | 5:51AM 1.78 | 6:19PM 1.84 | ||||||||||||||||||
Low Tide / height (m) | 10:27PM 0.40 | 10:57AM 0.56 | 11:08PM 0.34 | 11:30AM 0.36 | 11:45PM 0.32 | 12:03PM 0.17 | ||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:49 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - |
 | | |  | | | |  |  | | |  |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 23 | 23 | 25 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 22 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 |
| Feels °C (?) | 26 | 25 | 24 | 26 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 25 | 23 | 23 | 22 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 21 | 21 |
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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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