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Surf Forecasts:
Aha Rivermouth surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 pm Thursday 16 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
24.3° C
(Which is slightly warmer than usual)How big are the waves at Aha Rivermouth today?
The current surf forecast for Aha Rivermouth at 6PM is: 1.8m 16s primary swell from a East-southeast direction and 0.7m 7s secondary swell from a North direction, 0.5m 6s secondary swell from a North direction (forecast issued at 02:00pm April 16). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Apr) | - | - |
| Afternoon (16 Apr) | 6ft (1.8m) | 16s |
| Evening (16 Apr) | 6ft (1.8m) | 15s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 16 | 15 | 16 | 15 | 15 | 15 | 15 | 14 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1654 | 1613 | 1613 | 1572 | 1592 | 1382 | 1346 | 1288 | 1091 | 1076 | 1254 | 1551 | 2281 | 1571 | 2429 | 1492 | 1223 | 1174 | 1031 | 1187 | 988 | 1080 | 1034 | 743 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | cross- on | cross- on | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross | cross- on | cross- on |
High Tide / height (m) | 6:19PM 1.84 | 6:19AM 1.85 | 6:59PM 1.89 | 6:49AM 1.91 | 7:40PM 1.88 | 7:20AM 1.93 | ||||||||||||||||||
Low Tide / height (m) | 12:03PM 0.17 | 12:20AM 0.34 | 12:38PM 0.02 | 12:54AM 0.39 | 1:15PM -0.08 | 1:28AM 0.48 | ||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:00 |
| Sunset | - | - | 6:50 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - |
 | | |  | | |  |  | | |  |  | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | 1 | 1 | 4 | 4 | 1 | 1 | 1 |
| Temp. °C | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 |
| Feels °C (?) | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 20 | 22 | 22 | 21 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 21 | 18 | 19 | 19 | 19 |
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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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