Black Rock Surf Forecast

/ Wales – South East (14 surf breaks) /

UK (473 surf breaks)

Surf Forecasts:

Black Rock surfForecast / Wales – South East / UK

48hr Weather and Surf, issued 12 am Thursday 16 Oct 2025 BST

Forecast update in hr min s Forecast update imminent

Black Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Black Rock sea temperature is 15.3° C
(Which is slightly warmer than usual)

How big are the waves at Black Rock today?

The current surf forecast for Black Rock at 3AM is: 0.3m 13s primary swell from a West-southwest direction and 0.3m 10s secondary swell from a West-southwest direction (forecast issued at 12:00am October 16). The wind direction is predicted to be cross-offshore.

Time (BST) & Date	Wave Height	Wave Period
Morning (16 Oct)	1.5ft (0.4m)	12s
Afternoon (16 Oct)	1ft (0.3m)	11s
Evening (16 Oct)	0.5ft (0.2m)	9s

Table - waves today at Black Rock. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Thursday 16								Friday 17								Saturday 18
	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM
Rating (10 max)	0	0	0	1	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 (?)	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	W	W	W	SE	WSW	WSW	WSW	WSW	SW
Period(s) (?)	10	14	13	13	12	12	11	10	9	9	9	9	8	9	9	13	13	13	3	9	8	8	11	10
Wave Graph (?)
kJ (?)	21	38	33	64	28	27	24	18	8	8	8	7	6	2	2	4	3	3	3	8	7	7	11	25
Wind (km/h)	ENE	ENE	ENE	ENE	ENE	E	E	NE	ENE	ENE	ENE	ENE	E	ESE	E	ENE	E	E	E	E	E	ESE	SE	SE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross	cross
High Tide / height (m)			3:04AM 6.27				3:40PM 6.69					4:19AM 6.68				4:43PM 7.18				5:11AM 7.21				5:29PM 7.67
Low Tide / height (m)	8:55PM 2.72				9:30AM 2.78					10:15PM 2.35				10:38AM 2.32				11:08PM 1.88				11:24AM 1.83

		Thursday 16								Friday 17								Saturday 18
Sunrise	-	-	-	-	7:39	-	-	-	-	-	-	-	7:41	-	-	-	-	-	-	-	7:41	-	-	-
Sunset	-	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:17	-	-	-	-	-	-	-	6:15	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	8	8	9	9	9	12	14	14	13	12	11	11	11	13	15	15	13	11	10	9	10	14	15	13
Feels °C (?)	4	4	6	6	5	8	12	11	11	9	8	8	8	9	12	12	10	7	6	5	5	8	10	7

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 Wales - South East

Wind Update Continuing clean conditions at Black Rock (light winds from the SSE at St.Athan 18 km from Black Rock). 0.2m 10s swell from the W with a 0.2m 14s groundswell, also from the W. 2 swells combining to make bigger set waves.
1 hour 11 minutes ago Black Rock

Expand

View all

18 km away, 1 h 11 min ago

9 km/h

SSE

0.0

15.3

Air / Water (°C)

Please reload the page to see if there are any updates.

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 Black Rock 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.