Riyue Bay (Riyuewan) surfForecast / Hainan / China

information circle48hr Weather and Surf, issued 1 am 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 5AM is: 1.0m 8s primary swell from a East direction (forecast issued at 01:00am May 11). The wind direction is predicted to be cross-offshore.

Time (CST) & DateWave HeightWave Period
Morning (11 May)3.5ft (1.0m)9s
Afternoon (11 May)3.5ft (1.0m)9s
Evening (11 May)3ft (0.9m)8s

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 31°C on Wed afternoon, min 25°C on Mon night). Wind will be generally light.

Monday
11
Tuesday
12
Wednesday
13
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
5 PM
8 PM
11 PM
Rating
(10 max)
1
1
1
0
0
0
0
1
1
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
Wave
Height (m)
Direction
Period (s)
1.1
E
8
1
E
8
1
E
9
1
E
9
1
E
9
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
0.5
E
10
0.4
ENE
10
0.4
E
10
0.4
E
10
1
S
6
1
S
6
Wave Graph
Metric surfscale
Energy kJ
177
147
150
153
153
143
108
103
76
39
39
35
30
30
30
31
31
71
50
33
31
31
62
66
Wind (km/h)
10
NNE
5
NE
5
NE
10
ESE
10
SE
10
ESE
5
ESE
5
SE
0
SSW
5
SW
5
SW
10
S
15
S
15
S
10
S
10
S
10
SSW
10
SW
15
SW
20
SSW
25
SSW
20
SSW
15
SSW
10
SW
cross-off
cross-off
glassy
cross-on
on
on
on
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
High Tide
3:59PM1.18m
8:49AM0.93m
5:38PM1.07m
8:18AM1.01m
7:21PM0.98m
Low Tide
00:14AM0.31m
00:48AM0.37m
11:55AM0.90m
1:16AM0.45m
1:55PM0.74m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:04
7:04
Temp °C
25
25
26
29
29
28
27
26
25
25
26
29
30
29
27
26
26
26
28
30
31
30
27
27
29
30
31
33
33
31
31
30
30
30
31
32
32
32
31
30
30
30
31
32
32
32
30
31
Swell 1
Height (m)
Direction
Period (s)
1.1
E
8
1
E
8
1
E
9
1
E
9
1
E
9
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
0.5
E
6
0.4
E
10
0.4
E
10
0.6
E
10
0.5
E
10
0.4
ENE
10
0.4
E
10
0.4
E
10
0.9
S
6
0.9
S
6
Energy kJ
177
147
150
153
153
143
108
103
76
39
39
35
22
22
21
31
31
71
50
33
31
31
48
52
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
ESE
6
0.2
ENE
6
0.2
ENE
6
0.4
SE
4
0.1
NE
6
0.1
NE
6
0.4
E
10
0.4
E
10
Energy kJ
31
32
30
30
17
30
30
30
12
12
4
4
6
1
1
31
30
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
7
0.2
ENE
6
0.2
ENE
7
0.1
NE
6
Energy kJ
2
4
4
1
Wind waves
Height (m)
Direction
Period (s)
0.4
SE
6
0.3
SSE
3
0.4
SSE
3
0.4
SSE
4
0.5
S
4
0.7
S
4
0.8
S
5
1
S
6
1
S
6
Energy kJ
9
1
3
5
7
16
29
62
66
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
2
2
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
2
1
1
Distance (km)
0
0
0
1173
1173
1157
580
0
0
75
356
1157
1183
1157
1157
356
356
359
349
1157
1157
1157
356
349
Best forecast wave conditions in Hainan
Rating
(10 max)
1
1
1
1
1
1
Best forecast wave conditions in China
Rating
(10 max)
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
8
6
5
5
5
5
4
5
5
5
5
9
9
9
9
9
9
9
8
9
9
7
7
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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