Riyue Bay (Riyuewan) surfForecast / Hainan / China

information circle48hr Weather and Surf, issued 1 pm Thursday 14 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
28.5° 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 8PM is: 0.9m 5s primary swell from a South direction and 0.4m 10s secondary swell from a East direction (forecast issued at 01:00pm May 14). The wind direction is predicted to be cross-onshore.

Time (CST) & DateWave HeightWave Period
Morning (14 May)2.5ft (0.8m)5s
Afternoon (14 May)3ft (0.9m)6s
Evening (14 May)3ft (0.9m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 54mm), heaviest during Sat night. Warm (max 32°C on Thu afternoon, min 26°C on Sat afternoon). Wind will be generally light.

Thu
14
Friday
15
Saturday
16
Sun
17
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
2 AM
5 AM
8 AM
Rating
(10 max)
0
0
0
0
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)
0.4
E
10
0.9
S
6
0.9
S
6
0.9
S
5
0.9
S
5
0.9
S
5
1.3
S
6
1.2
S
6
1
S
6
1.1
SSE
6
1
SSE
6
1
S
6
0.8
S
6
0.9
SSE
6
1.1
SSE
6
1.2
SSE
6
1.5
SSE
6
1.6
SSE
6
1.7
SSE
7
1.6
SSE
7
1.5
SSE
7
1.5
SSE
7
1.5
SSE
7
1.3
SSE
7
Wave Graph
Metric surfscale
Energy kJ
34
48
48
46
45
45
108
95
69
86
69
61
41
57
86
112
160
201
255
225
192
187
192
137
Wind (km/h)
20
SSW
20
S
20
SSW
15
SSW
15
SSW
10
SW
10
SW
10
SW
20
SSW
20
S
15
S
10
SSE
10
S
10
SSW
10
S
10
S
20
SSW
25
S
20
S
10
S
10
SSW
10
S
10
SSW
10
SSW
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
9:01PM0.91m
8:33AM1.28m
10:38PM0.86m
8:57AM1.44m
00:37AM0.83m
Low Tide
3:04PM0.52m
1:53AM0.67m
4:02PM0.31m
2:00AM0.77m
4:57PM0.11m
1:38AM0.83m
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
thunderstorm
thunderstorm
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:05
7:05
7:06
1
3
1
1
1
12
26
1
1
3
Temp °C
31
32
31
29
28
28
28
29
32
32
31
29
28
28
28
28
29
27
26
26
26
26
27
28
33
34
33
34
33
33
33
33
34
34
33
34
32
32
33
32
31
29
28
30
30
31
32
33
Swell 1
Height (m)
Direction
Period (s)
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.9
S
5
0.9
S
5
1
S
6
1
S
6
0.4
E
10
0.3
E
10
0.3
E
10
0.9
SSE
6
0.8
S
6
0.9
SSE
6
1.1
SSE
6
0.3
E
10
0.3
E
10
0.3
E
10
0.3
E
10
1.6
SSE
7
1.5
SSE
7
1.5
SSE
7
1.5
SSE
7
1.3
SSE
7
Energy kJ
30
30
29
28
45
45
62
66
29
17
17
55
41
57
86
17
17
17
17
225
192
187
192
137
Swell 2
Height (m)
Direction
Period (s)
0.4
E
9
0.4
E
9
0.4
E
10
0.4
E
10
0.3
E
10
0.4
ESE
5
0.4
E
10
0.3
E
10
0.3
E
10
0.3
E
10
0.3
E
10
0.3
E
10
0.3
E
9
Energy kJ
28
28
28
29
17
7
30
17
17
17
16
16
16
Swell 3
Height (m)
Direction
Period (s)
0.3
E
10
0.1
E
6
Energy kJ
17
1
Wind waves
Height (m)
Direction
Period (s)
0.8
S
5
0.9
S
6
0.9
S
6
0.9
S
5
1.3
S
6
1.2
S
6
1
S
6
1.1
SSE
6
1
SSE
6
1
S
6
1.2
SSE
6
1.5
SSE
6
1.6
SSE
6
1.7
SSE
7
Energy kJ
34
48
48
46
108
95
69
86
69
61
112
160
201
255
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
1173
1173
1157
1157
359
75
75
75
1160
1157
1157
715
1246
75
37
37
1249
1249
362
1243
356
347
349
1081
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
Header Global
Rating
(10 max)
9
5
4
5
5
5
5
5
6
5
5
5
5
5
5
5
5
5
4
5
7
5
6
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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