Riyue Bay (Riyuewan) surfForecast / Hainan / China

information circle12 Day Weather and Surf, issued 7 pm Sunday 07 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 Monday (Dec 08) at 11PM. The primary swell is predicted to be 2.5m and 10s period with a secondary swell of 2.1m and 10s. 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 3.5m 10s and forecast to arrive on Monday (Dec 15) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Sunday (Dec 14) at 8PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 8th Dec)8ft (2.5m) 10s
Best Surf11PM (Mon 8th Dec)8ft (2.5m) 10s
Most Powerful 2AM (Mon 15th Dec)11ft (3.5m) 10s

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 10mm), heaviest on Wed morning. Warm (max 25°C on Mon afternoon, min 19°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 36mm), heaviest during Wed night. Warm (max 25°C on Fri morning, min 23°C on Wed night). Wind will be generally light.

Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sun
14
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
3
3
1
4
2
3
4
4
3
1
2
2
3
1
2
2
0
1
3
2
2
Swell
Height Map
Wave Height (m) & direction (?)
2
ENE
2.5
ENE
2.2
E
2.5
ENE
3
ENE
2.5
ENE
3.5
ENE
3
E
3
ENE
2.5
E
2.5
E
2.4
E
2.1
E
2.1
E
2.2
E
2.3
E
2
E
2.3
ENE
3
ENE
3
ENE
3
ENE
Period(s) (?)810101010101011101010109999999910
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5361129919134114701422212220621773122714201092763707800885656826156813611440
Wind
(km/h)
15
N
25
NNE
25
NE
15
N
25
NNE
20
NNE
15
N
15
NNE
10
NE
20
ENE
15
NE
20
NE
15
NE
20
ENE
20
NE
15
NE
20
NE
25
NE
20
NNE
30
NNE
30
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
11:01PM
1.80
11:51PM
1.73
12:40AM
1.60
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
Low Tide
/ height (m)
8:04AM
-0.13
8:55AM
-0.04
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
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sun
14
Sunrise-6:58--6:58--7:00--7:00--7:01--7:01--7:01-
Sunset--6:01--6:01--6:01--6:02--6:02--6:02--6:04
part cloud
part cloud
part cloud
clear
clear
part cloud
light rain
light rain
light rain
heavy rain
mod rain
light rain
rain showers
cloud
rain showers
rain showers
light rain
rain showers
rain showers
part cloud
part cloud
Rain (mm)
------33416741-14121--
Temp. °C212325212324212122232324242524242424222021
Feels °C (?)192122202020202224252425262524252423211617
  • 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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