Sai Wan Beach Surf Forecast

/ Hong Kong (9 surf breaks) /

China (24 surf breaks) / Lat Long: (22.41° N 114.37° E)

Surf Forecasts:

Sai Wan Beach surfForecast / Hong Kong / China

48hr Weather and Surf, issued 1 pm Thursday 18 Sep 2025 CST

Forecast update in hr min s Forecast update imminent

Sai Wan Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Sai Wan Beach sea temperature is 29.5° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Sai Wan Beach today?

The current surf forecast for Sai Wan Beach at 5PM is: 0.9m 7s primary swell from a Southeast direction (forecast issued at 01:00pm September 18). An open ocean swell of 0.1m 7s is not directed at the surf break, a second open ocean swell of 0.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (CST) & Date	Wave Height	Wave Period
Morning (18 Sep)	2.5ft (0.8m)	7s
Afternoon (18 Sep)	2.5ft (0.8m)	7s
Evening (18 Sep)	3ft (0.9m)	7s

Table - waves today at Sai Wan Beach. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18					Friday 19								Saturday 20								Sunday 21
	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	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	SE	ESE	SE	E	SE	ESE	ESE	ESE	SE	SE	ESE	SE	SE	SSE	ESE	SSE	ESE	ESE	ESE	E	E	E
Period(s) (?)	7	7	7	7	9	9	9	9	9	9	9	8	8	7	7	7	6	7	6	6	6	4	4	4
Wave Graph (?)
kJ (?)	60	57	71	93	119	950	242	211	135	138	112	68	126	107	71	0	23	0	7	14	11	13	18	14
Wind (km/h)	ENE	E	E	E	ENE	NE	N	NNW	NNW	NW	NNW	W	W	WSW	WSW	WSW	W	NW	NNE	NE	NE	NE	NE	NE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross	cross	cross- off	off	off	off	off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	glass	cross	cross	cross	cross	cross
High Tide / height (m)					8:40PM 0.96			7:03AM 1.59					9:02PM 1.01			7:51AM 1.58					9:22PM 1.07
Low Tide / height (m)						11:25PM 0.82				1:40PM 0.26				12:30AM 0.72					2:07PM 0.28			1:27AM 0.60

	Thursday 18					Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09
Sunset	-	-	6:22	-	-	-	-	-	-	-	6:22	-	-	-	-	-	-	-	6:21	-	-	-	-	-

Rain (mm)	-	-	-	7	7	-	-	-	-	-	1	1	2	4	2	1	-	-	1	-	-	-	1	2
Temp. °C	29	30	29	27	27	27	26	27	28	29	27	27	26	26	26	26	26	27	27	26	26	26	26	26
Feels °C (?)	31	33	31	29	29	28	29	29	29	30	29	30	27	28	28	29	30	31	32	30	30	30	29	29

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 Hong Kong

Wind Update Light wind has turned cross-on at Sai Wan Beach (light winds from the E at Sha Tin (Hong Kong) 17 km from Sai Wan Beach). 1.0m 5s windswell from the ESE with a 0.4m 7s swell from the SE. 2 swells combining to make bigger set waves.
1 hour 0 minutes ago Sai Wan Beach

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17 km away, 1 h 0 min ago

11 km/h

0.0

29.5

Air / Water (°C)

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