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Riyue Bay (Riyuewan) surfForecast / Hainan / China
12 Day Weather and Surf, issued 1 am Tuesday 15 Jul 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 Wednesday (Jul 16) at 8PM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.1m and 9s. 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 1.6m 8s and forecast to arrive on Monday (Jul 21) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Saturday (Jul 19) at 8PM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Wed 16th Jul) | 3ft (0.9m) 7s |
| Best Surf | 5PM (Sun 20th Jul) | 4.5ft (1.3m) 7s |
| Most Powerful | 2PM (Mon 21st Jul) | 5ft (1.6m) 8s |
Table - best surf conditions forecast for Riyue Bay (Riyuewan) over the next 12 days.
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 6 | 5 | 5 | 6 | 6 | 8 | 7 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 12 | 7 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 28 | 31 | 31 | 74 | 73 | 119 | 72 | 62 | 95 | 88 | 140 | 66 | 70 | 99 | 87 | 161 | 389 | 288 | 408 | 518 | 408 | 323 | 572 | 624 | 807 | 882 | 902 | 671 | 633 | 490 | 536 | 509 | 474 | 533 | 533 | 527 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross | cross | cross- off | cross- off | cross | glass | cross | cross | cross- off | cross- off | glass | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 12:29PM 1.45 | 3:52AM 0.84 | 1:17PM 1.29 | 3:52AM 0.94 | 2:12PM 1.09 | 4:07AM 1.07 | 3:29PM 0.87 | 4:33AM 1.22 | 5:47PM 0.69 | 5:07AM 1.36 | 5:52AM 1.48 | 6:44AM 1.58 | 7:42AM 1.65 | 8:40AM 1.69 | 9:35AM 1.70 | 10:27AM 1.66 | ||||||||||||||||||||
Low Tide / height (m) | 8:39PM 0.22 | 6:22AM 0.81 | 8:58PM 0.34 | 8:20AM 0.78 | 9:11PM 0.46 | 10:22AM 0.69 | 9:13PM 0.58 | 12:24PM 0.53 | 8:46PM 0.65 | 2:02PM 0.34 | 3:12PM 0.17 | 4:09PM 0.04 | 5:01PM -0.04 | 5:47PM -0.06 | 6:29PM -0.03 | 7:05PM 0.03 | ||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||||||||||||
| Sunrise | 6:09 | - | - | 6:09 | - | - | 6:11 | - | - | 6:11 | - | - | 6:11 | - | - | 6:11 | - | - | 6:11 | - | - | 6:11 | - | - | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - |
| Sunset | - | 7:19 | - | - | 7:19 | - | - | 7:19 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:15 | - |
 |  |  | | |  | | | | | | | |  | | | |  | | | | |  |  | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | - | - | 2 | 3 | - | 4 | 6 | 2 | 7 | 42 | 2 | 1 | - | - | 2 | - | - | 4 | 2 | - | 5 | 16 |
| Temp. °C | 31 | 32 | 29 | 31 | 33 | 30 | 33 | 33 | 29 | 32 | 33 | 30 | 32 | 32 | 29 | 31 | 31 | 28 | 31 | 30 | 28 | 28 | 28 | 26 | 29 | 29 | 27 | 31 | 31 | 28 | 30 | 30 | 28 | 29 | 30 | 27 |
| Feels °C (?) | 35 | 35 | 35 | 35 | 36 | 35 | 35 | 35 | 34 | 35 | 36 | 36 | 36 | 36 | 35 | 33 | 33 | 31 | 34 | 34 | 33 | 34 | 34 | 32 | 32 | 30 | 30 | 33 | 34 | 31 | 33 | 32 | 31 | 33 | 35 | 33 |
Short Range Forecast: Mostly dry. Warm (max 33°C on Wed afternoon, min 27°C on Wed night). Wind will be generally light. | Days 3-6 Weather Summary Light rain (total 9mm), mostly falling on Sat afternoon. Warm (max 33°C on Fri afternoon, min 27°C on Sat night). Wind will be generally light. | Days 6-9 Weather Summary Heavy rain (total 64mm), heaviest during Tue night. Warm (max 31°C on Mon morning, min 26°C on Tue night). Wind will be generally light. | Long Range Forecast: Heavy rain (total 30mm), heaviest during Sat night. Warm (max 31°C on Thu morning, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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Recent Eyeball Surf Reports for Hainan
The wind is still cross-on at Riyue Bay (Riyuewan) (light winds from the SSE at Qionghai 70 km from Riyue Bay (Riyuewan)). not gfswave
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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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