Riyue Bay (Riyuewan) surfForecast / Hainan / China

information circle16 Day Weather and Surf, issued 7 pm Thursday 23 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
25.9° C
(Which is 1.0°C colder than average 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Apr 24) at 8AM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.4m and 12s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Riyue Bay (Riyuewan) in the next 16 days are 0.9m 6s and forecast to arrive on Friday (Apr 24) at 2AM. 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+) 8AM (Fri 24th Apr)2.5ft (0.8m) 6s
Best Surf 8AM (Fri 24th Apr)2.5ft (0.8m) 6s
Most Powerful 2AM (Fri 24th Apr)3ft (0.9m) 6s

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 16mm), heaviest on Fri night. Warm (max 29°C on Fri morning, min 22°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Wed afternoon. Warm (max 29°C on Mon afternoon, min 24°C on Sun night). Wind will be generally light.

Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thu
30
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
0.9
S
6
0.8
S
6
0.7
S
6
0.6
S
6
0.4
S
5
0.5
ENE
6
0.6
ENE
6
0.6
ENE
7
0.5
ENE
7
0.5
ENE
8
0.5
ENE
7
0.6
ENE
7
0.6
E
7
0.5
E
6
0.4
ENE
6
0.5
E
6
0.4
ENE
7
0.6
S
5
0.4
ENE
7
0.4
ENE
6
0.5
S
4
Wave Graph
Metric surfscale
Energy kJ
58
41
32
22
8
18
28
41
28
32
27
36
33
20
13
22
15
16
15
14
10
Wind (km/h)
10
SW
15
S
10
S
5
NNE
15
ENE
15
ENE
5
NNE
10
E
15
E
5
E
15
S
15
S
10
SW
15
S
15
S
5
WNW
5
SE
5
SE
5
N
5
ESE
5
SSE
cross
cross-on
cross-on
cross-off
cross
cross
cross-off
cross-on
cross-on
glassy
cross-on
cross-on
cross
cross-on
cross-on
cross-off
on
glassy
glassy
cross-on
cross-on
High Tide
2:33PM1.49m
3:47PM1.36m
5:17PM1.23m
9:42AM0.92m
6:50PM1.12m
9:14AM0.99m
8:14PM1.02m
9:14AM1.08m
9:30PM0.95m
9:23AM1.18m
Low Tide
11:12PM0.09m
00:21AM0.15m
1:16AM0.23m
1:56AM0.32m
12:58PM0.88m
2:25AM0.43m
2:39PM0.73m
2:45AM0.54m
3:41PM0.57m
2:58AM0.64m
4:29PM0.43m
clear
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:15
6:15
6:13
6:13
6:13
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
6:58
6:58
6:59
6:59
6:59
7:00
7:00
1
7
4
2
2
1
4
4
3
3
Temp °C
26
29
29
25
27
26
24
28
28
25
28
29
26
28
29
26
29
28
26
28
27
30
31
31
29
29
28
26
31
30
28
30
31
30
29
30
30
32
32
31
32
30
Swell 1
Height (m)
Direction
Period (s)
0.9
S
6
0.3
E
11
0.7
S
6
0.6
S
6
0.4
S
5
0.4
SSE
5
0.6
ENE
6
0.6
ENE
7
0.5
ENE
7
0.5
ENE
8
0.5
ENE
7
0.6
ENE
7
0.6
E
7
0.5
E
6
0.4
ENE
6
0.5
S
5
0.4
ENE
7
0.5
S
5
0.5
S
5
0.4
ENE
6
0.3
ENE
6
Energy kJ
58
23
32
22
8
8
28
41
28
32
27
36
33
20
13
11
15
12
12
14
8
Swell 2
Height (m)
Direction
Period (s)
0.4
E
12
0.3
ENE
7
0.3
E
11
0.3
E
11
0.3
SE
5
0.2
E
10
0.2
SSE
5
0.1
SE
5
0.1
E
12
0.3
SSE
4
0.1
S
6
0.2
E
8
0.5
E
6
0.1
E
10
0.4
ENE
7
0.4
ENE
7
0.1
E
5
Energy kJ
44
9
21
21
3
8
2
1
3
3
1
5
22
2
15
15
1
Swell 3
Height (m)
Direction
Period (s)
0.3
ENE
7
0.3
ENE
6
0.3
ENE
6
0.2
E
6
0.2
ENE
6
0.1
E
5
0.2
E
10
0.1
SE
4
0.1
E
12
0.1
E
12
0.1
S
6
0.1
S
6
0.1
E
10
0.1
E
10
0.1
E
10
Energy kJ
9
8
8
3
3
1
8
1
3
3
1
1
2
2
2
Wind waves
Height (m)
Direction
Period (s)
0.8
S
6
0.5
ENE
6
0.2
SSE
3
0.4
SSE
4
0.4
SSE
4
0.5
S
4
0.5
S
5
0.5
S
5
0.6
S
5
0.4
S
5
0.5
S
4
Energy kJ
41
18
1
5
5
9
10
11
16
7
10
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
75
347
1249
347
1249
1249
1075
715
1699
1075
733
1373
359
347
1249
1173
359
1243
1246
1249
1243
Best forecast wave conditions in Hainan
Rating
(10 max)
1
Best forecast wave conditions in China
Rating
(10 max)
1
1
1
Header Global
Rating
(10 max)
5
5
5
5
4
4
4
4
6
6
8
5
6
6
4
6
9
5
8
5
6
  • 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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