Llandanwg Surf Break

Lat Long: 52.83° N 4.13° W

Llandanwg 48 hour detailed Surf Forecast

Issued: 12 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llandanwg sea temperature is
17.7°C
2.2° 

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 (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 2ft (0.6m), 6s period with WSW swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 1.5ft (0.4m), 6s period with WSW swell.
  • Evening surf: Evening surf (13 Sep, local time) - 1.5ft (0.4m), 6s period with SW swell.

The current surf forecast for Llandanwg at 6AM is: 0.7m 7s primary swell from a West-southwest direction and 0.7m 7s secondary swell from a West-southwest direction (forecast issued at 12:00am September 13). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (13 Sep)2ft (0.6m)6s
Afternoon (13 Sep)1.5ft (0.4m)6s
Evening (13 Sep)1.5ft (0.4m)6s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Mon night. Very mild (max 18°C on Sun morning, min 15°C on Tue morning). Winds increasing (calm on Sat night, fresh winds from the SSW by Mon night).

Sunday
13
Monday
14
Tuesday
15
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
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)
0.9
WSW
7
0.7
SW
7
0.6
WSW
7
0.5
SW
6
0.5
SW
6
0.4
WSW
6
0.4
SW
7
0.4
SW
6
0.5
SW
6
0.6
SW
4
0.6
SW
5
0.8
SW
4
0.8
SW
5
0.9
SW
5
1.1
SW
5
1.2
SW
6
1.3
SW
6
1.4
SW
6
1.1
WSW
6
1
WSW
6
1
W
5
1
W
5
0.7
WSW
5
0.6
WSW
6
Wave Graph
Metric surfscale
Energy kJ
73
48
29
21
21
17
11
11
19
14
17
21
30
42
62
89
107
157
94
77
53
50
26
25
Wind (km/h)
10
WSW
15
WSW
5
W
5
SW
5
SW
10
SW
10
S
10
S
15
SSW
15
SW
15
SSW
15
SSW
20
SSW
20
SSW
25
SSW
30
SSW
30
SSW
25
SW
15
W
20
W
20
WNW
20
W
10
W
25
WNW
Wind State
on
on
glassy
glassy
on
on
cross-on
cross-on
on
on
on
cross-on
on
on
on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
High Tide
10:03AM4.45m
10:20PM4.70m
10:39AM4.35m
10:57PM4.45m
11:14AM4.15m
Low Tide
4:53AM0.03m
4:59PM0.23m
5:23AM0.25m
5:28PM0.40m
5:49AM0.54m
5:55PM0.63m
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
light rain
clear
cloud
light rain
light rain
light rain
light rain
rain showers
part cloud
light rain
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:46
6:47
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:35
7:32
 mm
1
2
1
1
1
1
2
5
1
1
Temp °C
17
17
16
17
18
18
16
16
17
16
17
17
16
18
18
18
18
17
16
15
15
15
15
14
Feels °C
17
17
17
18
18
19
16
16
17
15
17
17
14
16
16
15
15
14
15
12
12
11
14
10
  • 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 

Eyeball surf reportRecent Eyeball Surf Reports for Wales - Mid

  1. West Coast Surf: ‘Porth Neigwl: Choppy waves hadn't tidied much (from what I could see in the dark.’

    Hells Mouth (Porth Neigwl), 30 km away
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