Riyue Bay (Riyuewan) surfForecast / Hainan / China

information circle48hr Weather and Surf, issued 1 am 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
28.2° 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: 0.4m 10s primary swell from a East direction and 0.1m 6s secondary swell from a East direction, 0.7m 4s secondary swell from a South direction (forecast issued at 01:00am May 14). The wind direction is predicted to be cross-shore.

Time (CST) & DateWave HeightWave Period
Morning (14 May)2.5ft (0.8m)5s
Afternoon (14 May)3.5ft (1.0m)6s
Evening (14 May)3.5ft (1.0m)6s

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 26mm), heaviest during Sat night. Warm (max 32°C on Fri morning, min 25°C on Sat afternoon). Wind will be generally light.

Thursday
14
Friday
15
Saturday
16
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)
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
Wave
Height (m)
Direction
Period (s)
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.9
S
6
1
S
6
1
S
6
1
S
6
0.9
S
6
1.1
S
6
1.2
S
6
1.2
SSE
6
1.1
SSE
6
1
SSE
6
0.9
S
6
1.1
SSE
6
1.2
SSE
6
1.3
SSE
6
1.4
SSE
6
1.5
SSE
6
1.6
SSE
6
2
S
7
1.9
SSE
7
1.8
SSE
7
Wave Graph
Metric surfscale
Energy kJ
30
30
30
34
50
64
64
62
49
75
98
101
80
67
52
71
101
119
139
167
182
400
394
365
Wind (km/h)
15
SW
15
SW
15
SSW
20
SSW
25
S
20
SSW
15
SSW
15
SSW
10
SW
10
SW
10
SW
20
SSW
20
S
20
SSE
10
SE
10
SSE
15
S
10
S
15
S
15
S
30
SSE
20
SSE
15
SE
10
S
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
High Tide
8:19AM1.13m
9:01PM0.91m
8:33AM1.28m
10:38PM0.86m
8:57AM1.44m
Low Tide
1:37AM0.56m
3:04PM0.52m
1:53AM0.67m
4:02PM0.31m
2:00AM0.77m
4:57PM0.11m
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
thunderstorm
thunderstorm
mod rain
mod rain
part cloud
<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>
7:05
7:05
7:05
1
3
1
1
1
2
6
7
Temp °C
27
27
28
31
31
31
28
28
28
28
29
32
32
29
28
28
28
28
29
29
27
25
26
27
30
31
32
33
32
33
32
33
33
33
32
34
34
31
33
33
32
32
33
31
27
27
29
31
Swell 1
Height (m)
Direction
Period (s)
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
10
0.4
E
9
0.9
S
6
1.1
S
6
0.4
E
10
0.3
E
10
0.3
E
10
1
SSE
6
0.9
S
6
0.3
E
10
1.2
SSE
6
1.3
SSE
6
0.4
E
5
1.5
SSE
6
0.3
E
10
0.3
E
10
0.3
E
10
1.8
SSE
7
Energy kJ
30
30
30
30
30
29
28
28
49
75
29
16
17
67
52
17
96
119
8
167
17
17
17
365
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
4
0.1
E
6
0.4
E
9
0.4
E
10
0.3
E
10
0.3
E
10
0.2
E
6
0.3
E
10
0.3
E
10
0.3
E
10
0.3
E
10
0.2
ENE
7
0.3
E
10
Energy kJ
2
1
28
28
17
17
3
17
17
17
17
4
17
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.5
SSW
4
0.7
S
4
0.8
S
5
0.8
S
5
0.9
S
6
1
S
6
1
S
6
1
S
6
1.2
S
6
1.2
SSE
6
1.1
SSE
6
0.4
ESE
4
1.1
SSE
6
1.2
S
6
1.4
SSE
6
1.6
SSE
6
2
S
7
1.9
SSE
7
Energy kJ
12
19
30
34
50
64
64
62
98
101
80
8
71
101
139
182
400
394
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
Distance (km)
347
359
75
1157
1157
1157
1160
362
1237
75
75
1249
1249
1249
359
1243
1243
75
1243
1249
1249
1750
1243
75
Best forecast wave conditions in Hainan
Rating
(10 max)
1
1
1
1
2
Best forecast wave conditions in China
Rating
(10 max)
1
1
1
1
2
Header Global
Rating
(10 max)
9
9
9
9
9
4
5
5
4
5
4
5
5
5
5
5
5
5
5
5
5
5
5
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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