Llandanwg Surf Break

Lat Long: 52.83° N 4.13° W

Llandanwg 48 hour detailed Surf Forecast

Issued: 6 am 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llandanwg sea temperature is
17.2°C
1.9° 

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


How big are the waves at Llandanwg today (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 6ft (1.8m), 8s period with WSW swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 4ft (1.2m), 7s period with WSW swell.
  • Evening surf: Evening surf (19 Sep, local time) - 3.5ft (1.0m), 4s period with WSW swell.

The current surf forecast for Llandanwg at 3PM is: 1.2m 7s primary swell from a West-southwest direction (forecast issued at 06:00am September 19). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (19 Sep)6ft (1.8m)8s
Afternoon (19 Sep)4ft (1.2m)7s
Evening (19 Sep)3.5ft (1.0m)4s

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


Short Range Forecast

Some drizzle, heaviest during Sat morning. Very mild (max 17°C on Sat morning, min 11°C on Sun night). Winds decreasing (fresh winds from the WSW on Sat morning, calm by Sun afternoon).

Saturday
19
Sunday
20
Monday
21
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
0
0
0
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)
2.1
WSW
8
2
WSW
8
1.8
WSW
8
1.3
WSW
7
1.1
WSW
7
1
WSW
7
1
WSW
4
1.1
W
5
1.2
W
5
1.1
W
5
1
W
5
0.5
SW
6
0.4
WSW
6
0.4
SW
6
0.4
SW
6
0.4
SW
6
0.2
WSW
6
0.4
SW
4
0.5
SW
4
0.5
SW
4
0.4
WSW
4
0.4
WSW
4
0.4
SW
4
Wave Graph
Metric surfscale
Energy kJ
519
452
353
181
134
111
41
53
71
64
53
17
14
10
10
10
4
5
8
9
7
7
4
Wind (km/h)
35
SW
40
WSW
35
WSW
30
W
25
WSW
25
WSW
25
W
30
W
25
WNW
25
WNW
25
WNW
15
WNW
10
W
5
SW
10
S
10
SSE
10
S
15
S
15
S
10
S
10
SSW
10
S
10
S
Wind State
on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
2:01PM2.86m
2:53AM2.60m
3:54PM2.70m
5:10AM2.61m
5:43PM2.89m
Low Tide
8:13AM1.69m
9:19PM1.69m
9:58AM1.81m
11:13PM1.68m
11:45AM1.68m
light rain
cloud
rain showers
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:56
6:56
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:21
7:17
 mm
1
1
Temp °C
16
17
17
16
17
16
15
14
13
12
13
13
13
12
11
12
12
12
13
15
16
16
16
Feels °C
11
12
12
11
12
12
11
8
8
7
8
10
11
11
9
9
9
9
11
14
16
16
16
  • 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 Llandanwg 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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