Riyue Bay (Riyuewan) surfForecast / Hainan / China

information circle16 Day Weather and Surf, issued 1 pm Sunday 26 Apr 2026 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
26.3° C
(Which is slightly cooler than normal)

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 Friday (May 01) at 2AM. The primary swell is predicted to be 1.1m and 8s period. 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 1.3m 9s and forecast to arrive on Friday (May 01) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Fri 1st May)3.5ft (1.1m) 8s
Best Surf 2AM (Fri 1st May)3.5ft (1.1m) 8s
Most Powerful 8AM (Fri 1st May)4.5ft (1.3m) 9s

Table - best surf conditions forecast for Riyue Bay (Riyuewan) over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 13mm), heaviest on Wed morning. Warm (max 29°C on Tue morning, min 24°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 19mm), heaviest on Wed afternoon. Warm (max 29°C on Sat morning, min 23°C on Wed night). Wind will be generally light.

Sun
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.5
ENE
6
0.4
ENE
7
0.5
ENE
6
0.4
ENE
6
0.4
ENE
6
0.4
ENE
6
0.6
S
5
0.7
S
6
0.6
S
5
0.6
S
5
0.6
ENE
6
0.8
ENE
6
0.6
ENE
6
1.1
ENE
8
1.3
ENE
9
1
ENE
8
1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.8
ENE
8
0.6
E
7
Wave Graph
Metric surfscale
Energy kJ
20
17
24
15
12
14
20
30
19
19
26
40
26
164
237
147
151
104
99
75
38
Wind (km/h)
10
E
0
SW
15
S
15
S
5
SSW
20
SSW
15
SSW
10
SW
15
NE
10
NE
15
NNE
15
NNE
15
NE
10
N
15
E
10
ESE
5
SSE
15
SSW
15
S
10
SW
15
SSW
cross-on
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
cross
cross-off
cross-on
on
glassy
cross-on
cross-on
cross
cross
High Tide
5:17PM1.23m
9:42AM0.92m
6:50PM1.12m
9:14AM0.99m
8:14PM1.02m
9:14AM1.08m
9:30PM0.95m
9:23AM1.18m
10:42PM0.89m
9:37AM1.28m
11:54PM0.85m
9:55AM1.37m
1:18AM0.83m
10:17AM1.43m
Low Tide
1:56AM0.32m
12:58PM0.88m
2:25AM0.43m
2:39PM0.73m
2:45AM0.54m
3:41PM0.57m
2:58AM0.64m
4:29PM0.43m
3:04AM0.73m
5:11PM0.31m
3:02AM0.79m
5:51PM0.21m
2:44AM0.82m
thunderstorm
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:13
6:11
6:11
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:59
6:59
6:59
7:00
7:00
7:00
7:00
7:00
2
11
6
6
2
2
3
Temp °C
27
25
27
28
25
29
29
26
28
28
24
27
28
24
27
27
26
29
29
26
29
30
28
29
29
28
31
30
30
30
30
28
28
29
26
29
30
30
32
30
30
31
Swell 1
Height (m)
Direction
Period (s)
0.5
ENE
6
0.4
ENE
7
0.5
ENE
6
0.4
ENE
6
0.4
ENE
6
0.4
ENE
6
0.4
SE
4
0.7
S
6
0.6
S
5
0.6
S
5
0.5
S
5
0.6
ENE
6
0.2
S
5
1.1
ENE
8
1.3
ENE
9
1
ENE
8
1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.8
ENE
8
0.6
E
7
Energy kJ
20
17
24
15
12
10
7
30
19
19
13
28
2
164
237
147
151
104
99
75
38
Swell 2
Height (m)
Direction
Period (s)
0.1
E
12
0.1
S
6
0.1
SW
4
0.1
E
9
0.4
ENE
5
0.4
E
5
0.4
ENE
7
0.4
ENE
6
0.1
E
10
0.3
S
5
Energy kJ
3
1
1
2
9
8
15
14
2
4
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
4
0.1
S
7
0.1
E
11
0.1
S
6
0.1
E
9
0.1
E
8
0.1
E
10
0.2
SSW
6
Energy kJ
1
1
3
1
1
1
2
4
Wind waves
Height (m)
Direction
Period (s)
0.4
SE
3
0.4
SSE
4
0.4
SE
4
0.6
S
4
0.6
S
5
0.6
ENE
6
0.8
ENE
6
0.6
ENE
6
0.3
SSW
4
0.4
SSW
4
Energy kJ
3
4
4
14
20
26
40
26
3
6
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
Distance (km)
1699
1075
1373
1249
1243
347
1183
75
347
1157
1243
576
356
0
347
362
0
353
1183
1183
347
Best forecast wave conditions in Hainan
Rating
(10 max)
1
1
1
Best forecast wave conditions in China
Rating
(10 max)
1
2
1
1
Header Global
Rating
(10 max)
8
7
8
6
5
5
5
5
9
6
9
6
5
5
8
6
5
4
5
4
4
  • 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 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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