Surf Forecasts:
Riyue Bay (Riyuewan) surf forecast from 26 Jul 2026:
- Best quality surf: Thursday 30 Jul, 5AM (local time) - 3.5ft (1.1m), 8s period, S swell with glassy winds.
- Most powerful swell: Thursday 30 Jul, 11PM (local time) - 6ft (1.9m), 7s period, SSE swell with 358 kJ wave energy.
- Next surfable swell (1★+): Monday 27 Jul, 8AM (local time) - 3ft (0.9m), 8s period with SSE 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 Monday (Jul 27) at 8AM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.3m and 9s. Another secondary swell of 0.6m and 5s 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 16 days are 1.9m 7s and forecast to arrive on Thursday (Jul 30) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Mon 27th Jul) | 3ft (0.9m) 8s |
| Best Surf | 5AM (Thu 30th Jul) | 3.5ft (1.1m) 8s |
| Most Powerful | 11PM (Thu 30th Jul) | 6ft (1.9m) 7s |
Table - best surf conditions forecast for Riyue Bay (Riyuewan) over the next 16 days.
Short Range ForecastModerate rain (total 10mm), heaviest on Mon night. Warm (max 32°C on Mon afternoon, min 26°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 18mm), heaviest on Thu afternoon. Warm (max 30°C on Sat morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||
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 8 | S 8 | SSE 8 | SSE 7 | SSE 8 | S 7 | S 8 | S 8 | S 8 | S 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 104 | 93 | 244 | 143 | 120 | 61 | 80 | 64 | 90 | 100 | 256 | 293 | 210 | 107 | 76 | 110 | 143 | 143 | 102 | 83 | 136 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | on | glassy | cross-on | cross-on | glassy | cross-on | cross-on | cross | cross | glassy | glassy | cross | cross-on | cross | cross | cross | cross-off |
High Tide | 8:33AM1.49m | 9:20AM1.53m | 10:03AM1.54m | 10:43AM1.52m | 11:22AM1.46m | 2:13AM0.80m | 12:01PM1.36m | 2:14AM0.87m | |||||||||||||
Low Tide | 5:02PM0.16m | 5:37PM0.13m | 6:10PM0.12m | 6:39PM0.13m | 7:04PM0.17m | 7:24PM0.23m | 4:55AM0.75m | 7:40PM0.32m | |||||||||||||
 |  |  |  | |  | | | | | | | |  |  | | |  | | | | |
 | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — |
 | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:14 | — | — | 7:14 | — | — | 7:14 | — |
mm | — | — | 2 | 1 | — | 3 | 1 | — | 3 | 3 | 5 | 7 | 1 | — | — | — | 2 | — | — | — | 1 |
Temp °C | 31 | 32 | 28 | 30 | 31 | 28 | 30 | 31 | 27 | 29 | 29 | 27 | 27 | 27 | 26 | 30 | 30 | 27 | 31 | 31 | 28 |
Feels °C | 34 | 34 | 32 | 34 | 35 | 33 | 33 | 34 | 32 | 32 | 31 | 31 | 32 | 31 | 31 | 33 | 33 | 32 | 34 | 33 | 33 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | E 8 | SSE 8 | SSE 7 | SSE 8 | S 7 | S 8 | S 8 | S 8 | S 7 | S 7 | ENE 7 | SSE 7 | S 7 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 |
| kJ | 104 | 5 | 167 | 143 | 120 | 61 | 80 | 64 | 90 | 100 | 120 | 5 | 210 | 107 | 71 | 110 | 143 | 143 | 102 | 83 | 136 |
Swell 2 Height (m) Direction Period (s) | E 9 | ENE 8 | E 7 | E 7 | E 7 | ESE 6 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | E 10 | E 10 | E 6 | E 9 | E 9 | E 5 | NE 6 | ENE 6 | S 7 | E 5 |
| kJ | 6 | 7 | 4 | 4 | 1 | 24 | 22 | 15 | 37 | 36 | 53 | 2 | 2 | 15 | 2 | 2 | 2 | 1 | 3 | 44 | 2 |
Swell 3 Height (m) Direction Period (s) | NE 7 | — | E 7 | E 10 | E 9 | E 9 | E 9 | ESE 7 | E 11 | NE 7 | E 10 | — | E 8 | E 9 | E 9 | E 9 | E 9 | E 5 | E 9 | E 6 | E 10 |
| kJ | 2 | — | 1 | 2 | 2 | 2 | 2 | 5 | 2 | 2 | 2 | — | 1 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | S 8 | SSE 8 | — | — | — | — | E 5 | — | — | SSE 7 | SSE 7 | — | — | S 6 | — | — | — | — | — | — |
| kJ | — | 93 | 244 | — | — | — | — | 20 | — | — | 256 | 293 | — | — | 76 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 347 | 347 | 37 | 843 | 1078 | 0 | 1078 | 1078 | 0 | 362 | 736 | 75 | 37 | 0 | 0 | 1750 | 1699 | 75 | 576 | 559 | 0 |
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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