Riyue Bay (Riyuewan) surfForecast / Hainan / China

information circle48hr Weather and Surf, issued 7 pm Wednesday 27 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
28.6° C
(Which is normal for this time of year)

How big are the waves at Riyue Bay (Riyuewan) today (28 May):

  • Morning surf: Morning surf (28 May, local time) - 2.5ft (0.8m), 5s period with SSE swell.
  • Afternoon surf: Afternoon surf (28 May, local time) - 2.5ft (0.8m), 6s period with S swell.
  • Evening surf: Evening surf (28 May, local time) - 2.5ft (0.7m), 6s period with S swell.

The current surf forecast for Riyue Bay (Riyuewan) at 12AM is: 0.7m 5s primary swell from a South-southeast direction and 0.3m 9s secondary swell from a East direction (forecast issued at 07:00pm May 27). The wind direction is predicted to be cross-onshore.

Time (CST) & DateWave HeightWave Period
Morning (28 May)2.5ft (0.8m)5s
Afternoon (28 May)2.5ft (0.8m)6s
Evening (28 May)2.5ft (0.7m)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

Mostly dry. Warm (max 32°C on Thu afternoon, min 26°C on Fri night). Wind will be generally light.

Wed
27
Thursday
28
Friday
29
Sat
30
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
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)
0.8
SSE
6
0.7
SSE
6
0.7
SSE
5
0.7
SSE
5
0.7
SSE
5
0.8
SSE
5
0.8
SSE
6
0.8
S
6
0.8
S
6
0.7
S
6
0.7
S
6
0.6
S
6
0.6
S
5
0.6
S
5
0.6
S
5
0.6
S
6
0.6
S
6
0.6
S
6
0.5
S
6
0.5
S
5
0.5
S
5
0.4
SSE
5
0.4
SSE
5
0.5
S
5
Wave Graph
Metric surfscale
Energy kJ
42
31
30
29
29
39
40
40
40
30
30
22
21
20
21
22
22
22
15
15
15
9
9
14
Wind (km/h)
15
S
10
SSW
10
SSW
10
SSW
10
SSW
15
SSW
15
S
20
S
15
S
5
SSW
10
S
5
SSW
10
SSW
10
SSW
10
S
15
S
10
S
5
S
0
S
0
S
5
WSW
5
W
5
SE
15
SSE
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
glassy
glassy
glassy
glassy
on
on
High Tide
8:30PM0.79m
8:02AM1.25m
10:29PM0.76m
8:20AM1.34m
8:43AM1.42m
Low Tide
00:44AM0.68m
3:55PM0.42m
00:29AM0.75m
4:35PM0.29m
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:09
7:09
7:09
7:10
Temp °C
31
29
28
28
27
29
31
32
30
28
27
27
27
28
31
32
31
28
27
27
26
28
31
32
34
35
34
34
32
33
34
35
33
33
32
33
32
32
34
35
34
33
33
33
31
33
35
35
Swell 1
Height (m)
Direction
Period (s)
0.3
E
9
0.7
SSE
6
0.7
SSE
5
0.7
SSE
5
0.7
SSE
5
0.8
SSE
5
0.3
E
9
0.8
S
6
0.8
S
6
0.7
S
6
0.7
S
6
0.6
S
6
0.6
S
5
0.6
S
5
0.6
S
5
0.2
E
9
0.6
S
6
0.6
S
6
0.5
S
6
0.5
S
5
0.5
S
5
0.4
SSE
5
0.4
SSE
5
0.2
E
9
Energy kJ
15
31
30
29
29
39
15
40
40
30
30
22
21
20
21
6
22
22
15
15
15
9
9
6
Swell 2
Height (m)
Direction
Period (s)
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
ENE
10
0.3
E
9
0.3
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
Energy kJ
15
15
15
15
15
18
15
15
7
6
6
6
6
6
6
6
6
6
6
6
6
6
7
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
Energy kJ
3
Wind waves
Height (m)
Direction
Period (s)
0.8
SSE
6
0.8
SSE
6
0.6
S
6
0.5
S
5
Energy kJ
42
40
22
14
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
1
1
1
Distance (km)
1183
1183
715
1157
362
1183
1183
1183
1157
1157
1157
1183
1157
1157
1183
1157
1173
1237
1243
1243
1243
1243
1243
1243
Best forecast wave conditions in Hainan
Rating
(10 max)
Best forecast wave conditions in China
Rating
(10 max)
Header Global
Rating
(10 max)
7
7
9
7
6
6
8
9
9
7
9
7
7
6
5
5
5
5
5
4
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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