Llangennith Surf Break

Lat Long: 51.59° N 4.30° W

Llangennith 48 hour detailed Surf Forecast

Issued: 12 pm 17 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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 6ft (1.9m), 7s period with W swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 6ft (1.8m), 7s period with W swell.
  • Evening surf: Evening surf (17 Sep, local time) - 5.5ft (1.7m), 7s period with W swell.

The current surf forecast for Llangennith at 3PM is: 1.8m 7s primary swell from a West direction (forecast issued at 12:00pm September 17). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 Sep)6ft (1.9m)7s
Afternoon (17 Sep)6ft (1.8m)7s
Evening (17 Sep)5.5ft (1.7m)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 Thu night). Winds decreasing (strong winds from the SW on Fri afternoon, light winds from the NW by Sat night).

Thu
17
Friday
18
Saturday
19
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
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
W
8
1.8
W
8
1.8
W
7
1.8
W
7
1.7
W
7
1.7
W
7
1.5
W
7
1.4
WSW
7
1.4
WSW
7
1.6
WSW
6
2
WSW
6
2.4
WSW
7
2.4
WSW
7
2.2
WSW
7
2.2
WSW
7
2.3
WSW
7
2.3
WSW
8
2.1
WSW
8
1.9
WSW
8
1.7
WSW
7
1.6
WSW
7
Wave Graph
Metric surfscale
Energy kJ
367
367
358
348
303
311
245
208
203
171
302
543
607
542
542
560
604
522
408
302
254
Wind (km/h)
30
WNW
35
WNW
35
WNW
30
WNW
25
WNW
25
WNW
20
W
20
W
25
WSW
35
WSW
40
SW
40
SW
40
SW
35
WSW
35
SW
40
SW
35
WSW
30
WSW
25
W
25
W
25
W
Wind State
cross-on
on
on
on
cross-on
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
High Tide
10:31AM6.98m
10:52PM6.59m
11:11AM6.37m
11:36PM5.96m
12:03PM5.79m
Low Tide
4:33PM1.81m
4:50AM2.19m
5:15PM2.43m
5:38AM2.77m
6:18PM2.98m
clear
cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
rain showers
rain showers
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:54
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:28
7:25
7:22
 mm
1
1
Temp °C
15
16
16
16
15
13
14
14
15
16
15
16
17
17
17
17
17
18
17
16
15
Feels °C
10
9
9
10
10
9
10
10
10
9
8
10
12
12
12
12
12
14
13
12
11
  • 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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