Riyue Bay (Riyuewan) surfForecast / Hainan / China

information circle48hr Weather and Surf, issued 1 pm Friday 24 Apr 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
26.0° C
(Which is slightly cooler than normal)

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

The current surf forecast for Riyue Bay (Riyuewan) at 8PM is: 0.6m 6s primary swell from a South direction and 0.3m 11s secondary swell from a East direction (forecast issued at 01:00pm April 24). The wind direction is predicted to be cross-offshore.

Time (CST) & DateWave HeightWave Period
Morning (24 Apr)2.5ft (0.8m)6s
Afternoon (24 Apr)2.5ft (0.7m)6s
Evening (24 Apr)2ft (0.6m)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 65mm), heaviest during Fri night. Warm (max 27°C on Sun morning, min 23°C on Fri afternoon). Wind will be generally light.

Fri
24
Saturday
25
Sunday
26
Mon
27
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
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.8
S
6
0.7
S
6
0.7
S
6
0.6
S
6
0.6
S
6
0.3
E
11
0.3
E
11
0.2
E
11
0.2
E
11
0.4
SSE
5
0.5
NE
6
0.7
ENE
6
0.5
ENE
6
0.5
ENE
6
0.6
ENE
6
0.6
ENE
6
0.6
ENE
6
0.5
ENE
6
0.5
ENE
6
0.4
ENE
6
0.4
ENE
7
0.4
ENE
7
0.5
ENE
7
0.4
ENE
7
Wave Graph
Metric surfscale
Energy kJ
41
32
32
23
23
21
21
9
9
10
15
31
20
19
27
30
30
21
21
17
18
17
30
19
Wind (km/h)
10
S
5
SW
5
WNW
10
N
10
NE
0
NNE
5
NE
10
NE
5
ENE
10
E
10
ENE
10
NE
10
NE
5
NE
5
NE
5
NE
10
ESE
10
ESE
10
ESE
10
ESE
5
ESE
5
S
5
SSE
10
SSE
cross-on
cross
off
cross-off
cross
glassy
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross
glassy
cross-on
on
on
cross-on
glassy
glassy
cross-on
cross-on
High Tide
2:33PM1.49m
3:47PM1.36m
5:17PM1.23m
Low Tide
00:21AM0.15m
1:16AM0.23m
1:56AM0.32m
cloud
thunderstorm
mod rain
heavy rain
mod rain
rain showers
part cloud
cloud
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:15
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
6:58
6:59
6:59
21
8
26
6
1
2
1
Temp °C
28
23
24
23
23
23
23
24
26
26
26
25
24
24
24
24
27
27
27
25
24
24
24
25
31
27
28
26
26
27
26
27
29
28
28
28
27
28
28
28
30
29
29
28
28
28
28
29
Swell 1
Height (m)
Direction
Period (s)
0.8
S
6
0.7
S
6
0.7
S
6
0.6
S
6
0.6
S
6
0.5
S
6
0.5
S
5
0.4
S
5
0.4
S
5
0.4
SSE
5
0.4
SSE
5
0.4
SE
5
0.5
ENE
6
0.5
ENE
6
0.6
ENE
6
0.6
ENE
6
0.6
ENE
6
0.5
ENE
6
0.5
ENE
6
0.4
ENE
6
0.4
ENE
7
0.4
ENE
7
0.5
ENE
7
0.4
ENE
7
Energy kJ
41
32
32
23
23
15
14
9
8
10
10
6
20
19
27
30
30
21
21
17
18
17
30
19
Swell 2
Height (m)
Direction
Period (s)
0.3
E
11
0.3
E
11
0.3
E
11
0.3
E
11
0.3
E
11
0.3
E
11
0.3
E
11
0.2
ESE
5
0.2
E
11
0.2
E
10
0.3
ENE
6
0.4
ENE
6
0.3
SSE
5
0.3
SSE
5
0.2
S
5
0.2
S
5
0.2
S
4
0.2
E
9
0.2
E
8
0.3
ENE
8
0.1
E
12
Energy kJ
23
22
21
21
21
21
21
2
9
8
7
12
5
4
2
2
2
6
6
13
3
Swell 3
Height (m)
Direction
Period (s)
0.3
ENE
7
0.3
ENE
6
0.3
ENE
6
0.2
ENE
6
0.2
ENE
6
0.2
E
6
0.2
E
6
0.2
E
11
0.2
E
6
0.1
NE
6
0.2
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.1
SE
4
0.2
ENE
10
0.1
SE
4
0.1
SE
4
0.1
E
12
0.1
SE
4
0.1
E
12
Energy kJ
9
8
8
4
4
3
3
9
3
1
8
8
8
8
1
10
1
1
3
1
3
Wind waves
Height (m)
Direction
Period (s)
0.3
NE
3
0.3
ESE
5
0.5
NE
6
0.7
ENE
6
0.1
SE
4
0.2
ESE
3
0.3
ESE
3
0.3
SE
4
0.3
SE
4
Energy kJ
1
4
15
31
1
1
2
2
2
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)
347
1173
349
1246
1246
1246
1246
362
1249
1249
1249
1246
1079
1075
1075
1246
1699
1810
1249
1373
715
715
1246
1373
Best forecast wave conditions in Hainan
Rating
(10 max)
Best forecast wave conditions in China
Rating
(10 max)
1
Header Global
Rating
(10 max)
5
5
6
5
5
4
5
5
5
5
5
5
4
5
4
5
5
5
6
5
5
5
6
9
  • 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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