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Riyue Bay (Riyuewan) surfForecast / Hainan / China
48hr Weather and Surf, issued 7 pm Friday 17 Apr 2026 CSTForecast update in hr min s Forecast update imminent
Riyue Bay (Riyuewan) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Riyue Bay (Riyuewan) sea temperature is
25.8° C
(Which is slightly cooler than normal)How big are the waves at Riyue Bay (Riyuewan) today?
The current surf forecast for Riyue Bay (Riyuewan) at 10PM is: 0.4m 16s primary swell from a East-southeast direction and 0.7m 5s secondary swell from a South-southeast direction (forecast issued at 07:00pm April 17). The wind direction is predicted to be glassy.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | - | - |
| Afternoon (17 Apr) | 1ft (0.3m) | 15s |
| Evening (17 Apr) | 1ft (0.3m) | 16s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 45 | 49 | 84 | 127 | 124 | 118 | 115 | 112 | 157 | 155 | 150 | 150 | 209 | 224 | 236 | 236 | 227 | 209 | 206 | 203 | 203 | 198 | 198 | 195 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | glass | glass | glass | cross | cross- on | cross- on | cross- on | cross- on | glass | glass | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on |
High Tide / height (m) | 11:14PM 1.00 | 10:17AM 1.34 | 12:31AM 0.91 | 10:43AM 1.48 | 2:11AM 0.83 | 11:16AM 1.59 | ||||||||||||||||||
Low Tide / height (m) | 4:47PM 0.35 | 4:01AM 0.71 | 5:43PM 0.18 | 4:03AM 0.79 | 6:40PM 0.07 | 3:40AM 0.82 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - |
| Sunset | 6:55 | - | - | - | - | - | - | - | 6:55 | - | - | - | - | - | - | - | 6:57 | - | - | - | - | - | - | - |
 |  | | | |  | | | | | | | | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 24 | 24 | 23 | 23 | 24 | 28 | 29 | 27 | 25 | 24 | 23 | 23 | 25 | 28 | 28 | 27 | 24 | 24 | 23 | 23 | 25 | 27 | 28 |
| Feels °C (?) | 29 | 26 | 28 | 27 | 27 | 27 | 29 | 29 | 27 | 28 | 27 | 26 | 26 | 28 | 29 | 28 | 27 | 26 | 27 | 26 | 26 | 27 | 27 | 28 |
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Ocean Swells (m)- Wind Speed (km/h)
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