Surf Forecasts:
Riyue Bay (Riyuewan) surf forecast from 29 Jun 2026:
- Best quality surf: Saturday 4 Jul, 8AM (local time) - 5ft (1.6m), 10s period, E swell with cross-offshore winds.
- Most powerful swell: Saturday 4 Jul, 11AM (local time) - 6ft (1.9m), 10s period, E swell with 740 kJ wave energy.
- Next surfable swell (1★+): Saturday 4 Jul, 5AM (local time) - 2ft (0.6m), 10s period with ESE swell.
Best Forecast Surf Conditions for Riyue Bay (Riyuewan) this week:
The surf forecast for Riyue Bay (Riyuewan) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 04) at 5AM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.6m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Riyue Bay (Riyuewan) in the next 16 days are 1.9m 10s and forecast to arrive on Saturday (Jul 04) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Monday (Jul 06) at 11AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sat 4th Jul) | 2ft (0.6m) 10s |
| Best Surf | 8AM (Sat 4th Jul) | 5ft (1.6m) 10s |
| Most Powerful | 11AM (Sat 4th Jul) | 6ft (1.9m) 10s |
Table - best surf conditions forecast for Riyue Bay (Riyuewan) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Tue night. Warm (max 31°C on Tue morning, min 26°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 12mm), heaviest on Sat afternoon. Warm (max 31°C on Fri afternoon, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSE 6 | SSE 6 | S 7 | S 7 | S 7 | S 6 | S 8 | S 7 | E 8 | E 7 | E 8 | E 8 | E 10 | E 9 | S 9 | S 8 | SSW 5 | S 9 | S 8 | SSW 7 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 45 | 47 | 36 | 32 | 35 | 20 | 31 | 16 | 11 | 26 | 34 | 42 | 740 | 334 | 71 | 120 | 92 | 215 | 115 | 273 | 164 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | glassy | on | on | glassy | on | cross-on | glassy | cross-on | cross | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross |
High Tide | 9:28AM1.54m | 10:10AM1.56m | 10:50AM1.55m | 11:28AM1.52m | 12:05PM1.46m | 12:43PM1.36m | 4:40AM0.85m | 1:23PM1.23m | 4:28AM0.93m | ||||||||||||
Low Tide | 6:27PM0.09m | 7:04PM0.09m | 7:39PM0.11m | 8:10PM0.15m | 8:36PM0.20m | 8:58PM0.27m | 6:22AM0.84m | 9:15PM0.36m | |||||||||||||
 |  |  | | |  | |  | | | |  | |  | | | | | | | | |
 | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — |
 | — | 7:19 | — | — | 7:19 | — | — | 7:19 | — | — | 7:19 | — | — | 7:20 | — | — | 7:20 | — | — | 7:20 | — |
mm | — | — | 2 | — | — | — | — | 1 | — | 1 | 1 | — | 1 | 2 | 3 | — | 1 | 3 | — | — | — |
Temp °C | 31 | 31 | 28 | 31 | 31 | 29 | 31 | 31 | 28 | 30 | 31 | 28 | 30 | 31 | 28 | 31 | 31 | 29 | 31 | 31 | 29 |
Feels °C | 35 | 35 | 33 | 35 | 34 | 35 | 35 | 34 | 33 | 34 | 35 | 31 | 33 | 33 | 33 | 34 | 33 | 33 | 33 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SSE 6 | S 7 | S 7 | S 7 | S 6 | S 8 | S 7 | S 6 | E 7 | E 8 | E 8 | E 10 | E 9 | E 8 | ESE 7 | ESE 8 | S 9 | S 8 | E 8 | S 8 |
| kJ | 45 | 47 | 36 | 32 | 35 | 20 | 31 | 16 | 7 | 26 | 34 | 42 | 740 | 334 | 66 | 31 | 55 | 215 | 115 | 12 | 164 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 8 | ESE 4 | ESE 4 | E 4 | ESE 4 | E 4 | E 6 | E 4 | SSE 6 | SSE 8 | S 8 | S 7 | S 7 | NE 7 | ENE 8 | ENE 8 | E 8 | E 7 | E 6 | E 8 |
| kJ | 6 | 6 | 3 | 3 | 3 | 3 | 1 | 3 | 3 | 6 | 22 | 21 | 27 | 23 | 14 | 23 | 22 | 20 | 15 | 1 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 8 | — | ESE 11 | — | — | ENE 8 | ESE 11 | — | SE 7 | E 9 | — | — |
| kJ | — | — | 1 | 1 | 1 | 5 | 4 | 1 | 11 | 5 | — | 12 | — | — | 12 | 11 | — | 14 | 6 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ESE 4 | — | — | ESE 4 | ESE 4 | E 3 | — | — | — | SSW 4 | S 9 | S 8 | SSW 5 | SW 4 | SW 4 | SSW 7 | SW 4 |
| kJ | — | — | — | — | 3 | — | — | 3 | 6 | 1 | — | — | — | 30 | 71 | 120 | 92 | 7 | 23 | 273 | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1809 | 1265 | 1265 | 1265 | 1265 | 1243 | 1243 | 1243 | 1243 | 1078 | 1078 | 75 | 1078 | 1079 | 1078 | 347 | 362 | 1090 | 1079 | 1882 | 75 |
Best forecast wave conditions in Hainan | |||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||
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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 16 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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