Llangennith Surf Break

Lat Long: 51.59° N 4.30° W

Llangennith 48 hour detailed Surf Forecast

Issued: 6 am 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llangennith sea temperature is
17.8°C
2.3° 

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


How big are the waves at Llangennith today (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 4ft (1.2m), 7s period with WSW swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 3ft (0.9m), 7s period with WSW swell.
  • Evening surf: Evening surf (20 Sep, local time) - 3ft (0.9m), 7s period with WSW swell.

The current surf forecast for Llangennith at 3PM is: 0.9m 7s primary swell from a West-southwest direction and 0.1m 14s secondary swell from a Southwest direction (forecast issued at 06:00am September 20). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (20 Sep)4ft (1.2m)7s
Afternoon (20 Sep)3ft (0.9m)7s
Evening (20 Sep)3ft (0.9m)7s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Tue afternoon, min 14°C on Sun morning). Wind will be generally light.

Sunday
20
Monday
21
Tuesday
22
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
10 PM
Rating
(10 max)
0
0
0
1
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
WSW
7
1.3
WSW
7
1.1
WSW
7
1
WSW
7
0.9
WSW
7
0.9
WSW
7
0.9
WSW
7
0.7
WSW
7
0.6
WSW
7
0.5
WSW
7
0.5
WSW
7
0.5
WSW
7
0.5
WSW
7
0.5
W
7
0.4
WSW
7
0.4
WSW
7
0.4
WSW
7
0.4
WSW
7
0.5
W
8
0.5
W
10
0.6
W
11
0.7
W
12
0.8
W
11
Wave Graph
Metric surfscale
Energy kJ
168
157
118
102
89
78
76
54
40
28
28
27
28
26
17
17
18
18
29
48
93
132
157
Wind (km/h)
20
WNW
15
NW
15
NW
10
WNW
10
W
10
W
10
NNW
5
NE
0
ENE
5
SSE
5
SW
5
SW
10
WSW
10
W
5
NW
5
NW
5
NNW
5
N
5
N
5
W
10
W
10
NW
5
N
Wind State
on
cross-on
cross-on
cross-on
on
on
cross-on
glassy
glassy
glassy
cross-on
cross-on
on
on
cross-on
cross-on
cross
cross
glassy
on
on
cross-on
cross
High Tide
1:27PM5.41m
2:25AM5.26m
3:14PM5.52m
3:58AM5.60m
4:26PM6.04m
Low Tide
8:06PM3.24m
8:54AM3.23m
9:47PM2.97m
10:15AM2.80m
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
7:00
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:21
7:19
7:15
 mm
Temp °C
15
14
14
15
15
15
14
14
14
14
15
16
17
17
17
17
17
16
17
18
19
19
18
Feels °C
12
11
11
13
13
13
12
13
13
13
14
15
17
17
17
18
18
17
18
18
19
19
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
How to use the Wavefinder 

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 Llangennith 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.


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