Llandanwg surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 6 am Tuesday 12 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Llandanwg surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llandanwg sea temperature is
12.5° C
(Which is 2.1°C warmer than normal for this time of year)

How big are the waves at Llandanwg today?

The current surf forecast for Llandanwg at 1PM is: 0.9m 4s primary swell from a Northwest direction and 0.1m 9s secondary swell from a Southwest direction (forecast issued at 06:00am May 12). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (12 May)1.5ft (0.4m)3s
Afternoon (12 May)3ft (0.9m)4s
Evening (12 May)2.5ft (0.7m)4s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 11mm), heaviest on Tue night. Very mild (max 12°C on Tue afternoon, min 7°C on Thu night). Winds decreasing (strong winds from the W on Tue night, calm by Thu night).

Tuesday
12
Wednesday
13
Thursday
14
Fri
15
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
1 AM
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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.1
SW
9
0.1
SW
9
0.5
W
3
0.9
NW
4
1
NW
5
0.7
WNW
4
0.7
W
4
1.2
W
5
1.6
W
6
1.8
WNW
7
1.7
WNW
7
1.7
WNW
6
1.4
WNW
6
1.3
NW
6
0.4
WSW
6
1.6
NW
6
1.6
NW
7
1.3
NW
7
1.3
NW
6
1.3
NW
6
1.1
NW
5
0.1
W
14
0.1
W
14
0.6
NW
6
Wave Graph
Metric surfscale
Energy kJ
3
3
5
26
41
17
12
67
160
278
268
227
140
96
14
182
240
169
126
107
71
4
4
33
Wind (km/h)
5
WSW
10
W
20
W
30
NW
20
WNW
20
WSW
20
W
35
W
40
W
40
WNW
40
NW
40
NW
35
NW
30
NW
30
NNW
30
NNW
25
NNW
20
NNW
25
NNW
30
NNW
25
NNW
20
N
10
NNE
5
NE
glassy
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
4:52AM3.32m
5:33PM3.20m
5:50AM3.63m
6:23PM3.57m
6:39AM3.98m
7:09PM3.96m
Low Tide
12:02PM0.99m
00:17AM1.16m
12:54PM0.73m
1:11AM0.91m
1:43PM0.50m
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
light rain
light rain
light rain
rain showers
rain showers
rain showers
clear
cloud
cloud
light rain
light rain
light rain
rain showers
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:22
5:20
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:00
9:02
9:05
9:06
1
2
1
1
1
1
1
1
1
1
Temp °C
7
9
9
10
12
11
10
9
8
8
8
10
10
10
8
8
8
8
9
9
10
11
8
7
4
6
4
3
6
6
5
1
-1
-1
-1
1
2
3
1
1
2
3
2
2
4
6
4
4
Swell 1
Height (m)
Direction
Period (s)
0.1
SW
9
0.1
SW
9
0.1
SW
9
0.1
SW
8
0.1
SW
8
0.1
W
16
0.1
W
16
0.5
WSW
6
0.4
WSW
6
0.2
WSW
6
0.1
W
16
0.1
W
16
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
14
0.1
W
6
Energy kJ
3
3
3
3
3
5
5
23
14
4
5
5
5
4
4
4
1
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
9
0.1
W
18
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
14
0.1
W
14
Energy kJ
3
6
5
5
5
4
4
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.5
W
3
0.9
NW
4
1
NW
5
0.7
WNW
4
0.7
W
4
1.2
W
5
1.6
W
6
1.8
WNW
7
1.7
WNW
7
1.7
WNW
6
1.4
WNW
6
1.3
NW
6
1.2
NW
5
1.6
NW
6
1.6
NW
7
1.3
NW
7
1.3
NW
6
1.3
NW
6
1.1
NW
5
0.9
NW
5
0.8
NW
5
0.6
NW
6
Energy kJ
5
26
41
17
12
67
160
278
268
227
140
96
83
182
240
169
126
107
71
40
31
33
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
2
2
1
2
1
2
1
1
1
1
1
1
1
1
Distance (km)
226
226
294
299
282
298
294
289
294
289
644
644
759
892
572
572
293
293
301
302
389
301
25
25
Best forecast wave conditions in Mid Wales
Rating
(10 max)
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
1
1
1
3
4
4
4
1
2
2
4
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
9
5
9
8
8
9
9
9
9
9
7
6
7
6
8
9
9
5
5
5
5
5
5
5
  • 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

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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