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Surf Forecasts:
Riyue Bay (Riyuewan) surfForecast / Hainan / China
48hr Weather and Surf, issued 7 pm Monday 08 Dec 2025 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
25.0° C
(Which is normal for this time of year)How big are the waves at Riyue Bay (Riyuewan) today?
The current surf forecast for Riyue Bay (Riyuewan) at 2AM is: 2.5m 10s primary swell from a East-northeast direction and 2.0m 10s secondary swell from a East direction (forecast issued at 07:00pm December 08). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | 8ft (2.5m) | 10s |
| Afternoon (09 Dec) | 10ft (3.0m) | 10s |
| Evening (09 Dec) | 10ft (3.0m) | 10s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1245 | 1270 | 1176 | 1270 | 1270 | 1224 | 1420 | 1470 | 1393 | 1422 | 1633 | 1962 | 1962 | 1928 | 1780 | 1478 | 1347 | 1347 | 1320 | 895 | 958 | 880 | 1064 | 874 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 11:51PM 1.73 | 12:40AM 1.60 | 1:29AM 1.43 | |||||||||||||||||||||
Low Tide / height (m) | 8:55AM -0.04 | 9:41AM 0.08 | 10:20AM 0.22 | |||||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:00 | - | - |
| Sunset | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - |
 |  | |  | |  |  | | |  | |  | |  | | | | | |  | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 6 | 5 | 4 | 3 | 3 |
| Temp. °C | 23 | 21 | 20 | 20 | 19 | 21 | 22 | 24 | 23 | 22 | 21 | 21 | 20 | 21 | 21 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 25 |
| Feels °C (?) | 21 | 20 | 19 | 20 | 18 | 20 | 20 | 21 | 21 | 21 | 21 | 22 | 21 | 23 | 23 | 24 | 25 | 25 | 24 | 25 | 24 | 25 | 26 | 27 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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