Riyue Bay (Riyuewan) surfForecast / Hainan / China

information circle48hr Weather and Surf, issued 7 pm Monday 11 May 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
28.3° C
(Which is normal for this time of year)

How big are the waves at Riyue Bay (Riyuewan) today?

The current surf forecast for Riyue Bay (Riyuewan) at 2AM is: 0.8m 8s primary swell from a East direction and 0.4m 10s secondary swell from a East-northeast direction (forecast issued at 07:00pm May 11). The wind direction is predicted to be glassy.

Time (CST) & DateWave HeightWave Period
Morning (12 May)2ft (0.6m)7s
Afternoon (12 May)1.5ft (0.4m)10s
Evening (12 May)1.5ft (0.4m)10s

Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 32°C on Thu morning, min 25°C on Mon night). Wind will be generally light.

Mon
11
Tuesday
12
Wednesday
13
Thu
14
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
E
8
0.9
E
8
0.9
E
8
0.8
E
8
0.6
E
7
0.6
E
7
0.6
E
7
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.6
E
10
0.6
E
10
0.4
ENE
10
0.4
E
10
0.4
E
10
0.4
E
10
0.9
SSW
5
0.9
S
5
0.9
S
5
1.1
S
6
0.9
SSE
6
1.2
S
6
Wave Graph
Metric surfscale
Energy kJ
143
108
105
76
39
39
35
30
30
30
31
31
71
71
33
31
31
33
42
47
43
72
45
105
Wind (km/h)
10
ESE
5
ESE
5
ESE
0
NE
0
NNW
0
SE
10
SSE
15
S
15
S
10
S
10
SSW
10
SSW
10
SW
15
SW
20
SSW
25
SSW
20
SSW
15
SSW
15
SSW
15
SW
10
SW
10
SW
20
SSW
20
SSW
on
cross-on
on
glassy
glassy
glassy
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-on
High Tide
3:59PM1.18m
8:49AM0.93m
5:38PM1.07m
8:18AM1.01m
7:21PM0.98m
8:19AM1.13m
Low Tide
00:48AM0.37m
11:55AM0.90m
1:16AM0.45m
1:55PM0.74m
1:37AM0.56m
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:04
7:04
7:05
Temp °C
28
27
26
25
25
26
29
30
29
27
27
26
26
28
31
31
30
28
27
27
27
29
32
32
31
31
30
30
30
31
32
32
31
32
32
30
30
31
33
32
32
32
31
31
31
34
34
33
Swell 1
Height (m)
Direction
Period (s)
1
E
8
0.9
E
8
0.9
E
8
0.8
E
8
0.6
E
7
0.6
E
7
0.6
E
7
0.5
E
7
0.5
E
7
0.4
E
6
0.4
E
10
0.4
ESE
6
0.6
E
10
0.6
E
10
0.4
ENE
10
0.4
E
10
0.4
E
10
0.7
S
5
0.7
S
5
0.7
S
5
0.8
S
5
0.9
S
6
0.9
SSE
6
0.4
E
10
Energy kJ
143
108
105
76
39
39
35
22
21
13
31
12
71
71
33
31
31
24
28
28
34
49
45
30
Swell 2
Height (m)
Direction
Period (s)
0.4
ENE
10
0.4
ENE
10
0.4
E
10
0.4
E
10
0.3
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.4
ESE
6
0.4
E
10
0.2
ENE
6
0.2
ENE
6
0.2
ESE
4
0.1
NE
6
0.1
E
6
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
10
Energy kJ
31
32
30
30
17
30
30
30
14
31
4
4
2
1
1
31
30
30
30
30
30
Swell 3
Height (m)
Direction
Period (s)
0.1
E
7
0.2
ENE
6
0.1
NE
6
0.1
E
6
Energy kJ
1
4
1
1
Wind waves
Height (m)
Direction
Period (s)
0.2
SSE
2
0.2
SSW
2
0.4
SSE
3
0.5
S
3
0.4
SSW
4
0.6
S
4
0.7
S
4
0.8
SSW
5
0.9
SSW
5
0.9
S
5
0.9
S
5
1.1
S
6
0.7
SSW
6
1.2
S
6
Energy kJ
1
1
3
6
4
11
18
33
42
47
43
72
34
105
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
2
2
2
2
1
2
1
1
1
2
1
1
1
1
1
1
2
2
Distance (km)
1157
580
356
0
75
75
1157
1157
1157
1157
356
1157
347
347
1157
1157
1243
1243
359
347
75
37
1157
1157
Best forecast wave conditions in Hainan
Rating
(10 max)
1
1
1
1
1
Best forecast wave conditions in China
Rating
(10 max)
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
4
5
9
5
5
9
5
9
9
8
9
9
8
6
8
7
6
6
9
9
5
9
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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