Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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Surf Forecasts:
Riyue Bay (Riyuewan) surfForecast / Hainan / China
48hr Weather and Surf, issued 7 am Sunday 14 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
24.7° 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 12PM is: 2.5m 9s primary swell from a East-northeast direction and 2.0m 9s secondary swell from a East direction (forecast issued at 07:00am December 14). The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 8ft (2.5m) | 9s |
| Afternoon (14 Dec) | 8ft (2.5m) | 9s |
| Evening (14 Dec) | 8ft (2.4m) | 9s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1126 | 1126 | 1083 | 999 | 999 | 897 | 984 | 1223 | 1276 | 1269 | 1393 | 1530 | 1896 | 2006 | 1998 | 1773 | 1591 | 1424 | 1322 | 1296 | 1178 | 849 | 1155 | 1132 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 4:47AM 0.84 | 6:51PM 1.14 | 7:15AM 0.72 | 7:06PM 1.24 | 7:27PM 1.32 | |||||||||||||||||||
Low Tide / height (m) | 11:12AM 0.58 | 2:42AM 0.62 | 11:01AM 0.66 | 3:29AM 0.46 | ||||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| Sunrise | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:04 | - | - | - |
 |  |  | | |  | | | | | | | |  | | |  |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | - | 1 |
| Temp. °C | 19 | 18 | 18 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 22 |
| Feels °C (?) | 17 | 16 | 15 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 20 | 21 | 22 | 22 | 22 | 22 | 23 | 22 | 23 | 23 | 23 | 23 | 22 | 23 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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