Riyue Bay (Riyuewan) surfForecast / Hainan / China

information circle12 Day Weather and Surf, issued 7 am Wednesday 10 Dec 2025 CST
Forecast 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
25.0° C
(Which is normal for this time of year)


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 (Dec 12) at 2AM. The primary swell is predicted to be 1.8m and 9s period with a secondary swell of 1.6m 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 3.0m 11s and forecast to arrive on Tuesday (Dec 16) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Monday (Dec 15) at 5AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Fri 12th Dec)6ft (1.8m) 9s
Best Surf11PM (Mon 15th Dec)10ft (3.0m) 11s
Most Powerful 5AM (Tue 16th Dec)10ft (3.0m) 11s

Table - best surf conditions forecast for Riyue Bay (Riyuewan) over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 15mm), heaviest on Wed afternoon. Warm (max 25°C on Thu morning, min 21°C on Wed morning). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Sat morning. Warm (max 24°C on Sat morning, min 17°C on Sun night). Mainly fresh winds.

Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
2
3
2
1
3
2
1
2
2
0
2
2
2
3
1
3
4
3
2
4
Swell
Height Map
Wave Height (m) & direction (?)
2.5
E
2.5
E
2.5
E
2.2
E
1.9
E
1.8
E
1.8
E
1.9
E
2.1
E
2.4
ENE
2
E
3
ENE
3
ENE
3
ENE
3
ENE
2.2
E
3
E
3
ENE
3
ENE
2.5
E
3
ENE
Period(s) (?)10101099999999991010101111111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)137512321199848601517509567715919679150216511536167895721412006168513521544
Wind
(km/h)
10
NE
15
ENE
15
NE
20
ENE
20
ENE
10
NNE
15
NE
15
NE
15
NE
20
NE
25
NE
25
NNE
30
NNE
25
NNE
20
N
25
N
20
NNE
15
NNE
15
NNE
20
NE
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscross-
off
crosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
High Tide
/ height (m)
1:29AM
1.43
2:18AM
1.23
6:58PM
0.95
3:15AM
1.02
6:43PM
1.04
4:47AM
0.84
6:51PM
1.14
7:15AM
0.72
7:06PM
1.24
7:27PM
1.32
Low Tide
/ height (m)
9:41AM
0.08
10:20AM
0.22
10:48AM
0.35
10:06PM
0.92
11:06AM
0.47
1:15AM
0.79
11:12AM
0.58
2:42AM
0.62
11:01AM
0.66
3:29AM
0.46
4:06AM
0.33
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Sunrise7:00--7:00--7:01--7:01--7:01--7:03--7:03--
Sunset-6:01--6:02--6:02--6:02--6:04--6:04--6:04-
light rain
rain showers
rain showers
rain showers
clear
part cloud
part cloud
part cloud
rain showers
rain showers
light rain
light rain
part cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
light rain
Rain (mm)
2362----2223--------1
Temp. °C222323252523242523242422181817202220212321
Feels °C (?)232424262524252524252420141413161919202120
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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