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Aha Rivermouth surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 pm Friday 27 Feb 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
21.8° 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 9PM is: 1.0m 11s primary swell from a East-southeast direction and 0.8m 11s secondary swell from a East-northeast direction, 1.1m 4s secondary swell from a North direction (forecast issued at 02:00pm February 27). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Feb) | - | - |
| Afternoon (27 Feb) | 3.5ft (1.1m) | 10s |
| Evening (27 Feb) | 3.5ft (1.0m) | 11s |
Table - waves today at Aha Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 27 | Saturday 28 | Sunday 01 | Monday 02 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 318 | 270 | 297 | 259 | 249 | 249 | 245 | 232 | 305 | 356 | 363 | 311 | 223 | 211 | 288 | 308 | 148 | 125 | 104 | 100 | 304 | 288 | 372 | 145 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:12PM 1.41 | 5:28AM 1.43 | 4:28PM 1.53 | 6:01AM 1.54 | 5:23PM 1.66 | 6:30AM 1.63 | ||||||||||||||||||
Low Tide / height (m) | 9:42AM 0.97 | 10:28PM 0.17 | 10:52AM 0.82 | 11:20PM 0.06 | 11:38AM 0.65 | 12:02AM 0.00 | ||||||||||||||||||
Friday 27 | Saturday 28 | Sunday 01 | Monday 02 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 |
| Sunset | - | - | 6:25 | - | - | - | - | - | - | - | 6:25 | - | - | - | - | - | - | - | 6:27 | - | - | - | - | - |
 | | |  | | |  |  |  | | |  | | | |  | | | | | | | | | |
Rain (mm) | 5 | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 21 | 19 | 19 | 18 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 |
| Feels °C (?) | 18 | 18 | 16 | 15 | 14 | 15 | 14 | 13 | 16 | 16 | 17 | 17 | 18 | 16 | 15 | 15 | 17 | 17 | 17 | 16 | 17 | 18 | 19 | 19 |
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