Riyue Bay (Riyuewan) Surf Forecast

/ Hainan (4 surf breaks) /

China (24 surf breaks) / Lat Long: (18.63° N 110.22° E)

Surf Forecasts:

Riyue Bay (Riyuewan) surfForecast / Hainan / China

48hr Weather and Surf, issued 1 am Wednesday 03 Sep 2025 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 28.0° C
(Which is 1.1°C colder than average for this time of year)

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

The current surf forecast for Riyue Bay (Riyuewan) at 6AM is: 0.4m 7s primary swell from a South-southeast direction and 0.3m 5s secondary swell from a East-northeast direction (forecast issued at 01:00am September 03). The wind direction is predicted to be glassy.

Time (CST) & Date	Wave Height	Wave Period
Morning (03 Sep)	1.5ft (0.4m)	7s
Afternoon (03 Sep)	1.5ft (0.4m)	8s
Evening (03 Sep)	1.5ft (0.4m)	7s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Wednesday 03								Thursday 04								Friday 05
	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	5 PM	8 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 See all maps
Wave Height (m) & direction (?)	S	S	SSE	SSE	SSE	SSE	S	S	ENE	ENE	ENE	ENE	ENE	ENE	E	ENE	E	E	E	ENE	ENE	ENE	ENE	ENE
Period(s) (?)	7	7	7	7	8	8	7	7	9	7	7	6	6	6	8	6	8	8	8	8	8	7	8	9
Wave Graph (?)
Energy (?)	38	37	27	26	32	31	27	30	36	23	22	26	29	28	28	32	26	24	24	29	29	20	17	30
Wind (km/h)	E	NW	NNW	N	ESE	SE	ESE	E	NNW	N	NNW	NNW	ESE	ESE	E	NE	NNE	N	NNW	N	ESE	SE	ESE	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	glass	glass	glass	glass	on	on	glass	glass	glass	glass	glass	glass	on	cross- on	cross	glass	cross- off	glass	glass	glass	on	cross- on	glass
High Tide / height (m)			4:58AM 1.34									6:13AM 1.39								7:22AM 1.44
Low Tide / height (m)							3:11PM 0.25								3:51PM 0.19								4:24PM 0.15

		Wednesday 03								Thursday 04								Friday 05
Sunrise	-	-	-	6:24	-	-	-	-	-	-	-	6:24	-	-	-	-	-	-	-	6:24	-	-	-	-
Sunset	-	-	-	-	-	-	6:52	-	-	-	-	-	-	-	6:51	-	-	-	-	-	-	-	6:50	-

Rain (mm)	-	-	-	-	-	2	1	-	-	-	-	-	-	1	2	-	-	-	-	-	-	2	1	-
Temp. °C	27	26	26	27	29	29	29	28	27	26	26	27	30	29	29	28	27	26	26	27	29	29	29	27
Feels °C (?)	33	31	31	32	34	34	34	33	33	31	31	32	35	34	34	34	33	31	31	33	34	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)

Recent Eyeball Surf Reports for Hainan

Wind Update Wind reports 156 km away suggest it is still onshore at Riyue Bay (Riyuewan) (light winds from the SE at Haikou ( 海口)). 0.4m 6s windswell from the S with a 0.3m 5s windswell from the E and a 0.1m 8s swell, also from the E. 3 swells combining to make bigger set waves.
1 hour 20 minutes ago Riyue Bay (Riyuewan)

Expand

View all

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Riyue Bay (Riyuewan) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.