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Surf Forecasts:

Black Rock surfForecast / Wales – South East / UK

information circle12 Day Weather and Surf, issued 6 pm Wednesday 15 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)

Best Forecast Surf Conditions for Black Rock this week:

The surf forecast for Black Rock over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Oct 16) at 7AM. The primary swell is predicted to be 0.4m and 13s period with a secondary swell of 0.3m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Black Rock in the next 12 days are 2.5m 11s and forecast to arrive on Monday (Oct 20) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Saturday (Oct 18) at 7AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Thu 16th Oct)1.5ft (0.4m) 13s
Best Surf 4PM (Mon 20th Oct)8ft (2.5m) 10s
Most Powerful10PM (Mon 20th Oct)8ft (2.5m) 11s

Table - best surf conditions forecast for Black Rock over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Very mild (max 15°C on Fri afternoon, min 9°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 36mm), heaviest during Sun afternoon. Very mild (max 15°C on Sun afternoon, min 12°C on Sat night). Winds decreasing (fresh winds from the SE on Sun afternoon, light winds from the WNW by Mon night).

Wed
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.3
WSW
0.3
WSW
0.4
WSW
0.3
WSW
0.2
WSW
0.2
W
0.1
W
0.1
W
0.2
WSW
0.2
WSW
0.4
WSW
0.8
WSW
0.9
WSW
1.4
SW
1.7
WSW
2.5
WSW
2.5
WSW
1.9
WSW
1.7
WSW
1.4
WSW
1.4
W
Period(s) (?)11141211989138109111099101110987
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2238472486237113414918931449711251575731506250203
Wind
(km/h)
20
E
15
ENE
15
E
10
E
15
ENE
15
E
15
E
20
E
20
E
30
SE
25
SE
30
SSE
35
SE
20
S
20
SSE
25
NNE
20
NW
15
WNW
20
W
15
W
20
SSE
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		cross-
off		cross-
off		crosscrosscross-
on		cross-
on		cross-
on		cross-
on		offcross-
off		crosscrosscrosscross-
on
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
5:51AM
7.71
6:07PM
8.08
6:26AM
8.11
6:41PM
8.38
6:58AM
8.40
7:13PM
8.56
7:29AM
8.56
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
11:47PM
1.44
12:00PM
1.39
12:19AM
1.09
12:32PM
1.05
12:48AM
0.84
1:01PM
0.81
1:16AM
0.71
Wed
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Sunrise--7:39--7:41--7:41--7:43--7:46--7:47--7:48
Sunset6:22--6:20--6:17--6:15--6:14--6:12--6:09--
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
heavy rain
light rain
rain showers
rain showers
light rain
rain showers
rain showers
light rain
part cloud
part cloud
light rain
Rain (mm)
----------124924311--3
Temp. °C101011141314151313141414151413131314141313
Feels °C (?)6671110101210881091010109111110108
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Wales - South East

  1. weather stationWind 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 24 minutes ago Black Rock
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18 km away, 1 h 24 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.

View detailed surf forecast for Black Rock at:
surf-forecast.com

Information about the Black Rock Surf forecast

The above surf forecast table for Black Rock provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Black Rock can be found by selecting the local surf guide option on the grey menu. Our Black Rock 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 (Black Rock) 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 Black Rock 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.

Black Rock is 2 km (1 miles) from Porthcawl. If you plan a holiday in Wales - South East, look for hotels and other accommodation in Porthcawl. Porthcawl has rooms for a wide range of budgets as well as car hire and transport links.

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