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Riyue Bay (Riyuewan) surfForecast / Hainan / China
12 Day Weather and Surf, issued 7 pm Friday 24 Oct 2025 CST
Best Forecast Surf Conditions for Riyue Bay (Riyuewan) this week:
The surf forecast for Riyue Bay (Riyuewan) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Oct 31) at 11PM. The primary swell is predicted to be 1.7m and 9s period with a secondary swell of 1.5m and 9s. Another secondary swell of 0.1m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Riyue Bay (Riyuewan) in the next 12 days are 3.0m 10s and forecast to arrive on Tuesday (Oct 28) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Saturday (Oct 25) at 8AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 31st Oct) | 5.5ft (1.7m) 9s |
| Best Surf | 11PM (Fri 31st Oct) | 5.5ft (1.7m) 9s |
| Most Powerful | 11PM (Tue 28th Oct) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Riyue Bay (Riyuewan) over the next 12 days.
Short Range Forecast Heavy rain (total 51mm), heaviest during Mon morning. Warm (max 26°C on Sun morning, min 22°C on Sun night). Mainly fresh winds. | Days 3-6 Weather Summary Heavy rain (total 87mm), heaviest during Mon night. Warm (max 26°C on Thu morning, min 24°C on Mon night). Mainly fresh winds. | |||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Fri 31 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 1773 | 936 | 1532 | 1434 | 1265 | 1294 | 1411 | 1224 | 961 | 1293 | 1391 | 1763 | 1993 | 1437 | 1307 | 1281 | 1024 | 1384 | 1375 | 896 | 683 | |
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 | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross | |
High Tide / height (m) | 10:56PM 1.42 | 11:23PM 1.44 | 11:55PM 1.44 | 12:30AM 1.43 | 1:12AM 1.40 | 2:04AM 1.35 | 3:13AM 1.29 | |||||||||||||||
Low Tide / height (m) | 7:14AM 0.19 | 8:02AM 0.21 | 8:57AM 0.23 | 10:00AM 0.26 | 11:08AM 0.27 | 12:09PM 0.27 | 12:56PM 0.28 | |||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Fri 31 | ||||||||||||||||
| Sunrise | - | 6:35 | - | - | 6:35 | - | - | 6:35 | - | - | 6:37 | - | - | 6:37 | - | - | 6:37 | - | - | 6:37 | - | |
| Sunset | - | - | 6:09 | - | - | 6:08 | - | - | 6:08 | - | - | 6:07 | - | - | 6:07 | - | - | 6:07 | - | - | 6:07 | |
 |  | |  | |  |  |  | |  |  |  | | | |  | | | | |  | ||
Rain (mm) | - | - | - | - | - | 3 | 9 | 21 | 18 | 28 | 11 | 7 | 6 | 4 | 4 | 11 | 8 | 8 | 13 | 2 | - | |
| Temp. °C | 23 | 25 | 25 | 24 | 26 | 26 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 27 | |
| Feels °C (?) | 23 | 24 | 25 | 24 | 24 | 25 | 23 | 26 | 26 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 28 | 28 | 26 | 27 | 28 | |
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Recent Eyeball Surf Reports for Hainan
The wind is still cross-off at Riyue Bay (Riyuewan) (light winds from the NNE at Da Nang International Airport 363 km from Riyue Bay (Riyuewan)). 2.9m 10s swell from the ENE with a 2.0m 10s swell, also from the ENE. 2 swells combining to make bigger set waves.
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Riyue Bay (Riyuewan) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Riyue Bay (Riyuewan) Surf forecast
The above surf forecast table for Riyue Bay (Riyuewan) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Riyue Bay (Riyuewan) can be found by selecting the local surf guide option on the grey menu. Our Riyue Bay (Riyuewan) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Riyue Bay (Riyuewan)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Riyue Bay (Riyuewan) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Hainan? If you are looking for accommodation near Riyue Bay (Riyuewan), camping, hotels and holiday cottages in Hainan, consider staying in Wanning which is 26 km (16 miles) away. Other places in and around Hainan where you can find information about places to rent, and car hire include Li-an which is 27 km (17 miles) away, Baoding, Bacun and Baimalingcaifachang.
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