Southerndown Surf Break

Lat Long: 51.45° N 3.61° W

Southerndown Surf Forecast and Surf Report

Issued: 6 am 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Southerndown sea temperature is
21.0° C
4.8° 

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


Southerndown surf forecast from 6 Aug 2026:

  • Most powerful swell: Thursday 13 Aug, 4AM (local time) - 2.5ft (0.8m), 9s period, WSW swell with 90 kJ wave energy.

Best Forecast Surf Conditions for Southerndown this week:

The most powerful waves expected at Southerndown in the next 16 days are 0.8m 9s and forecast to arrive on Thursday (Aug 13) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4AM (Thu 13th Aug)2.5ft (0.8m) 9s

Table - best surf conditions forecast for Southerndown over the next 16 days.


The Lowdown

Alright folks, Rusty here. Gotta be straight with you – the next couple of weeks are looking pretty grim for a proper paddle. We’ve got a long stretch of weak, short-period windswell and a lot of onshore wind. Let’s break it down.

We start off with a real flat spell. From Thursday the 6th right through to the middle of the month, the numbers are tiny. The swell is barely 3ft at best, with a period of only 6 seconds, and it’s coming from the west. The wind is mostly cross-on or cross-shore, not doing us any favours. The wave energy is weak, sitting in the double digits (64), and the water is a wild 70°F – that’s much warmer than usual for this time of year, a real anomaly. But it doesn’t matter because the surf is just poor. This stretch is a write-off.

There’s a small glimmer on Wednesday morning the 12th. The wind goes glassy, and we get a little 2ft, 10-second pulse from the WSW, with a touch more energy (62). It’s still not much, but those glassy conditions are rare around here, so for a beginner looking for a tiny, clean wave, it might be the only window. But don’t get your hopes up.

We then hit another poor patch until the 15th and 16th. On Saturday the 15th morning, the swell picks up to 3ft from the WSW, period 7 seconds, and the energy creeps into the moderate range (111). Still, the wind is cross-on. Sunday the 16th afternoon sees the swell hit 4ft from the west, with energy at 134. But again, it’s a moderate cross-onshore breeze chopping it up.

The real kicker comes mid-week, on Wednesday the 19th. The morning sees a 5ft swell from the WSW, period 8 seconds, with strong energy (308). But the wind is onshore from the southwest at 19 mph. That’s a lot of water, but it’s going to be a messy, blown-out mess. For a beach break like Southerndown, that’s more of a kite-surfing setup than a clean paddle. It’s really only for the experts who don’t mind a beating, and even then, it’s not recommended.

The following Thursday the 20th holds similar size, 5ft from the WSW, but again with a cross-on wind. The energy is strong (284), but the quality is still poor.

So, what’s the best of a bad bunch? There’s no standout. If I had to pick one, it would be Wednesday the 19th for the pure size, but only if you’re an expert and don’t mind the wind. The cleanest conditions will be the glassy morning on the 12th, but it’s tiny. Honestly, it’s one of those periods where the forecast needs to change. We’re looking at over a week of nothing until the 19th, and even then it’s not great.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 21°C on Sat afternoon, min 13°C on Fri night). Winds decreasing (fresh winds from the W on Thu afternoon, calm by Thu night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 25°C on Tue afternoon, min 17°C on Sun night). Wind will be generally light.

Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
W
6
0.8
W
6
0.5
W
5
0.2
WSW
5
0.3
W
5
0.3
W
4
0.1
W
9
0.1
SW
9
0.2
WSW
7
0.2
WSW
7
0.3
WSW
6
0.3
WSW
3
0.4
WSW
5
0.6
W
6
0.3
WSW
5
0.1
W
8
0.2
W
7
0.2
WSW
12
0.5
WSW
10
0.5
WSW
10
0.7
WSW
9
Wave Graph
Metric surfscale
Energy kJ
62
44
13
2
4
3
2
3
5
5
8
2
9
23
4
1
4
14
58
54
71
Wind (km/h)
20
WNW
30
W
10
NW
10
W
20
W
10
NW
5
S
10
WNW
10
WNW
15
WNW
25
W
10
NW
10
W
20
W
5
N
10
SE
15
W
0
SSW
5
WSW
20
WNW
10
WNW
Wind State
cross
cross-on
cross-off
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
glassy
cross
cross-on
glassy
glassy
cross-on
cross-on
High Tide
12:18PM7.30m
00:47AM7.20m
1:22PM6.93m
2:01AM6.85m
2:44PM6.79m
3:28AM6.84m
4:08PM7.06m
4:47AM7.24m
5:18PM7.66m
5:50AM7.83m
6:15PM8.35m
6:42AM8.41m
7:05PM8.95m
Low Tide
6:15PM1.92m
6:50AM2.11m
7:26PM2.29m
8:09AM2.39m
8:54PM2.39m
9:39AM2.34m
10:24PM2.09m
10:59AM1.92m
11:36PM1.52m
12:02PM1.34m
00:33AM0.90m
12:53PM0.78m
1:21AM0.39m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:46
5:48
5:48
5:50
5:52
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:53
8:52
8:51
8:49
8:46
8:45
8:43
 mm
Temp °C
16
16
15
17
17
15
19
21
19
21
20
19
21
22
21
24
25
21
24
24
20
Feels °C
10
10
12
14
13
13
18
18
16
17
16
18
19
20
20
24
23
20
22
20
18
  • 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
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Information about the Southerndown Surf forecast

The above surf forecast table for Southerndown provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Southerndown can be found by selecting the local surf guide option on the grey menu. Our Southerndown 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 (Southerndown) 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 Southerndown 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 Wales - South East? If you are looking for accommodation near Southerndown, camping, hotels and holiday cottages in Wales - South East, consider staying in Porthcawl which is 6 km (4 miles) away. Other places in and around Wales - South East where you can find information about places to rent, and car hire include Nash Point which is 8 km (5 miles) away, Coity, Maesteg and Barry.

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