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Riyue Bay (Riyuewan) surfForecast / Hainan / China
48hr Weather and Surf, issued 1 pm Monday 20 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
26.0° 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 8PM is: 0.7m 14s primary swell from a East direction and 0.4m 4s secondary swell from a South-southeast direction (forecast issued at 01:00pm April 20). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 2.5ft (0.7m) | 14s |
| Afternoon (20 Apr) | 2.5ft (0.7m) | 14s |
| Evening (20 Apr) | 2.5ft (0.7m) | 14s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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 | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 198 | 195 | 184 | 184 | 189 | 195 | 195 | 243 | 232 | 229 | 225 | 215 | 212 | 209 | 157 | 150 | 109 | 109 | 107 | 109 | 92 | 76 | 92 | 74 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross |
High Tide / height (m) | 11:16AM 1.59 | 11:55AM 1.65 | 12:40PM 1.65 | |||||||||||||||||||||
Low Tide / height (m) | 7:40PM 0.01 | 8:45PM 0.00 | 9:57PM 0.04 | |||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 |
| Sunset | - | - | 6:57 | - | - | - | - | - | - | - | 6:57 | - | - | - | - | - | - | - | 6:57 | - | - | - | - | - |
 |  | |  | | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 28 | 27 | 25 | 25 | 24 | 24 | 26 | 28 | 28 | 27 | 25 | 25 | 24 | 24 | 26 | 28 | 28 | 28 | 25 | 24 | 24 | 24 | 26 |
| Feels °C (?) | 29 | 28 | 28 | 29 | 29 | 27 | 27 | 28 | 29 | 28 | 28 | 28 | 28 | 26 | 26 | 28 | 28 | 28 | 29 | 27 | 27 | 27 | 27 | 29 |
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