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Surf Forecasts:
Riyue Bay (Riyuewan) surfForecast / Hainan / China
48hr Weather and Surf, issued 1 am Thursday 16 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
25.5° 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 7AM is: 0.8m 6s primary swell from a South direction and 0.4m 10s secondary swell from a East direction, 0.1m 20s secondary swell from a East direction (forecast issued at 01:00am April 16). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Apr) | 3ft (0.9m) | 6s |
| Afternoon (16 Apr) | 3ft (0.9m) | 6s |
| Evening (16 Apr) | 3ft (0.9m) | 6s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 10 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 58 | 54 | 41 | 49 | 49 | 50 | 52 | 52 | 52 | 40 | 39 | 50 | 50 | 47 | 45 | 49 | 84 | 127 | 122 | 118 | 115 | 159 | 157 | 155 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | glass | cross- off | glass | glass | cross- on | cross- on | on | cross- on |
High Tide / height (m) | ||||||||||||||||||||||||
Low Tide / height (m) | ||||||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:20 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:55 | - | - | - | - | - | - | - | 6:55 | - | - | - | - | - | - | - | 6:55 | - |
 | | |  | | | | | | | | | | |  |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 26 | 29 | 29 | 28 | 25 | 24 | 24 | 24 | 25 | 28 | 29 | 27 | 25 | 24 | 23 | 23 | 25 | 28 | 28 | 27 | 25 |
| Feels °C (?) | 27 | 27 | 27 | 28 | 30 | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 29 | 30 | 28 | 28 | 28 | 26 | 26 | 29 | 30 | 28 | 27 | 27 |
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