Riyue Bay (Riyuewan) Surf Break

Lat Long: 18.63° N 110.22° E

Riyue Bay (Riyuewan) Surf Forecast and Surf Report

Issued: 1 pm 22 Sep 2026 (local time)

Forecast update in  hr  min

Today's Riyue Bay (Riyuewan) sea temperature is
28.2°C
0.3° 

Riyue Bay (Riyuewan) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Riyue Bay (Riyuewan) surf forecast from 22 Sep 2026:

  • Best quality surf: Monday 28 Sep, 11PM (local time) - 3ft (0.9m), 14s period, E swell with glassy winds.
  • Most powerful swell: Tuesday 29 Sep, 8PM (local time) - 4ft (1.2m), 14s period, E swell with 590 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 22 Sep, 11PM (local time) - 2ft (0.6m), 11s period with E swell.

Best Forecast Surf Conditions for Riyue Bay (Riyuewan) this week:

The surf forecast for Riyue Bay (Riyuewan) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 22) at 11PM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.3m and 4s. Another secondary swell of 0.4m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Riyue Bay (Riyuewan) in the next 16 days are 1.2m 14s and forecast to arrive on Tuesday (Sep 29) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 22nd Sep)2ft (0.6m) 11s
Best Surf11PM (Mon 28th Sep)3ft (0.9m) 14s
Most Powerful 8PM (Tue 29th Sep)4ft (1.2m) 14s

Table - best surf conditions forecast for Riyue Bay (Riyuewan) over the next 16 days.


Short Range Forecast

Moderate rain (total 10mm), heaviest on Thu afternoon. Warm (max 30°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 11mm), heaviest on Sat night. Warm (max 29°C on Fri afternoon, min 25°C on Fri night). Wind will be generally light.

Tue
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
12
0.6
E
11
0.5
E
10
0.5
E
10
0.5
ENE
6
0.5
ENE
6
0.6
ENE
6
0.6
E
6
0.6
E
7
0.6
E
6
0.6
S
6
0.7
S
6
0.7
S
6
0.6
S
6
0.4
ENE
6
0.2
E
14
0.4
ESE
13
0.6
E
14
0.8
E
14
1
E
14
Wave Graph
Metric surfscale
Energy kJ
151
89
54
48
20
24
33
28
33
29
27
35
36
25
11
14
57
132
236
377
Wind (km/h)
15
ENE
10
NNE
15
ENE
10
ENE
5
NNE
15
ENE
15
E
5
ENE
10
E
10
E
5
SE
10
ESE
10
SE
5
WSW
5
E
10
ESE
5
SE
5
E
10
ESE
5
W
Wind State
cross-on
cross-off
cross
cross-on
cross-off
cross-on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
on
glassy
glassy
cross-on
glassy
cross-on
cross-on
glassy
High Tide
6:52AM1.30m
7:55AM1.31m
11:01PM0.83m
8:51AM1.29m
10:43PM0.88m
9:44AM1.25m
10:44PM0.97m
10:38AM1.18m
10:53PM1.09m
11:34AM1.08m
11:09PM1.22m
Low Tide
3:41PM0.28m
4:05PM0.30m
1:57AM0.79m
4:26PM0.36m
3:14AM0.68m
4:42PM0.44m
4:15AM0.56m
4:55PM0.54m
5:11AM0.43m
5:04PM0.64m
clear
clear
clear
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:28
6:28
6:28
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:36
6:35
6:34
6:32
6:31
6:30
6:30
 mm
2
3
1
2
1
1
1
4
3
2
1
2
Temp °C
30
27
29
29
26
28
29
26
28
29
26
28
29
27
29
28
27
29
29
27
Feels °C
32
31
32
32
30
31
32
30
31
32
30
32
33
32
34
32
32
34
34
32
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Riyue Bay (Riyuewan) Surf forecast

The above surf forecast table for Riyue Bay (Riyuewan) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Riyue Bay (Riyuewan) can be found by selecting the local surf guide option on the grey menu. Our Riyue Bay (Riyuewan) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Riyue Bay (Riyuewan)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Riyue Bay (Riyuewan) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Hainan? If you are looking for accommodation near Riyue Bay (Riyuewan), camping, hotels and holiday cottages in Hainan, consider staying in Wanning which is 26 km (16 miles) away. Other places in and around Hainan where you can find information about places to rent, and car hire include Li-an which is 27 km (17 miles) away, Baoding, Bacun and Baimalingcaifachang.

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