Llangennith Surf Break

Lat Long: 51.59° N 4.30° W

Llangennith 48 hour detailed Surf Forecast

Issued: 12 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llangennith sea temperature is
18.3°C
2.7° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 4.5ft (1.4m), 7s period with WSW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 6ft (1.8m), 6s period with WSW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 8ft (2.4m), 7s period with WSW swell.

The current surf forecast for Llangennith at 6AM is: 1.5m 7s primary swell from a West direction (forecast issued at 12:00am September 18). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (18 Sep)4.5ft (1.4m)7s
Afternoon (18 Sep)6ft (1.8m)6s
Evening (18 Sep)8ft (2.4m)7s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sat morning. Very mild (max 18°C on Sat morning, min 13°C on Sat night). Winds decreasing (strong winds from the SW on Fri afternoon, light winds from the WNW by Sun morning).

Friday
18
Saturday
19
Sunday
20
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
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
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)
1.7
W
7
1.5
W
7
1.5
W
7
1.5
WSW
7
1.7
WSW
6
1.9
WSW
6
2.2
WSW
7
2.4
WSW
7
2.2
WSW
7
2.2
WSW
7
2.4
WSW
7
2.4
WSW
8
2.2
WSW
8
1.9
WSW
8
1.7
W
8
1.6
WSW
7
1.5
WSW
7
1.4
WSW
7
1.3
WSW
7
1.1
WSW
7
0.9
WSW
7
0.9
WSW
7
0.9
WSW
7
0.6
WSW
7
Wave Graph
Metric surfscale
Energy kJ
303
238
231
204
185
290
471
607
542
528
590
623
587
408
337
261
204
168
141
114
84
70
74
40
Wind (km/h)
20
WNW
25
W
20
W
25
WSW
35
WSW
40
SW
40
SW
40
SW
35
WSW
35
SW
40
SW
35
WSW
30
WSW
30
W
25
W
25
W
25
W
15
WNW
10
NNW
10
NNW
10
WNW
10
WSW
10
W
10
W
Wind State
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
cross
cross
on
cross-on
on
on
High Tide
10:52PM6.59m
11:11AM6.37m
11:36PM5.96m
12:03PM5.79m
00:42AM5.44m
1:27PM5.41m
Low Tide
4:50AM2.19m
5:15PM2.43m
5:38AM2.77m
6:18PM2.98m
6:58AM3.22m
8:06PM3.24m
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
rain showers
part cloud
part cloud
cloud
cloud
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:56
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:25
7:22
7:21
 mm
1
1
Temp °C
14
14
14
15
16
16
16
17
17
17
17
17
18
17
16
15
15
14
13
13
15
15
15
15
Feels °C
10
9
10
10
9
9
10
12
12
12
12
12
14
12
12
11
11
12
11
11
14
13
13
14
  • 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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