Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 6 pm Saturday 25 Apr 2026 BST
Forecast update in hr  min  s Forecast update imminent
Llanddwyn Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llanddwyn Island sea temperature is
10.1° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Llanddwyn Island today?

The current surf forecast for Llanddwyn Island at 12AM is: 0.5m 10s primary swell from a Southwest direction (forecast issued at 06:00pm April 25). The wind direction is predicted to be glassy.

Time (BST) & DateWave HeightWave Period
Morning (26 Apr)1.5ft (0.4m)9s
Afternoon (26 Apr)1.5ft (0.4m)9s
Evening (26 Apr)1.5ft (0.4m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Sat afternoon, min 10°C on Mon night). Wind will be generally light.

Sat
25
Sunday
26
Monday
27
Tue
28
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
4 AM
7 AM
10 AM
1 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
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.6
WSW
10
0.5
SW
10
0.5
SW
10
0.5
SW
10
0.5
SW
9
0.4
SW
9
0.4
SW
9
0.4
SW
9
0.4
SW
9
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.3
SW
8
0.3
SW
8
0.3
SW
8
0.2
WSW
8
0.2
WSW
8
0.2
WSW
7
0.2
WSW
8
0.2
WSW
8
0.2
WSW
8
0.2
WSW
8
Wave Graph
Metric surfscale
Energy kJ
69
49
47
45
41
29
28
20
19
24
17
17
17
17
10
10
9
6
6
5
6
6
6
6
Wind (km/h)
5
NW
5
N
5
ENE
5
SE
10
S
10
S
10
S
15
SSW
15
SW
10
SW
10
SSW
5
S
0
ENE
5
N
15
N
20
NNW
20
NNW
20
N
10
NNE
10
NNE
10
NE
15
NE
20
ENE
20
NE
cross
glassy
cross-off
glassy
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
High Tide
6:02PM3.01m
6:09AM3.40m
7:11PM3.17m
7:12AM3.56m
7:58PM3.36m
7:59AM3.72m
Low Tide
00:12AM1.20m
1:00PM0.71m
1:21AM1.02m
1:59PM0.52m
2:17AM0.79m
clear
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:52
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:34
8:36
8:37
8:39
Temp °C
16
14
15
14
13
13
13
14
14
13
12
12
12
11
12
13
13
12
11
10
11
10
10
11
15
12
13
12
11
11
11
11
11
11
10
10
12
9
9
9
8
8
8
8
8
6
6
6
Swell 1
Height (m)
Direction
Period (s)
0.6
WSW
10
0.5
SW
10
0.5
SW
10
0.5
SW
10
0.5
SW
9
0.4
SW
9
0.4
SW
9
0.4
SW
9
0.4
SW
9
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.3
SW
8
0.3
SW
8
0.3
SW
8
0.2
WSW
8
0.2
WSW
8
0.2
WSW
7
0.3
NNW
5
0.2
NNW
5
0.2
NNW
5
0.2
WSW
8
Energy kJ
69
49
47
45
41
29
28
20
19
24
17
17
17
17
10
10
9
6
6
5
4
2
2
6
Swell 2
Height (m)
Direction
Period (s)
0.1
W
9
0.1
W
9
0.2
WSW
8
0.2
WSW
8
0.2
WSW
8
0.2
NNW
4
Energy kJ
2
2
6
6
6
2
Swell 3
Height (m)
Direction
Period (s)
0.1
W
15
0.1
W
15
Energy kJ
4
4
Wind waves
Height (m)
Direction
Period (s)
0.2
SSW
2
0.2
SSW
2
0.3
NNW
2
0.4
NNW
3
0.4
NNW
3
0.5
NNW
3
0.4
NNW
3
0.4
NNW
4
Energy kJ
1
1
1
4
4
6
3
6
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
35
35
35
37
144
144
144
144
144
162
151
144
144
151
162
170
286
286
286
170
170
170
168
162
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
1
2
2
2
2
2
2
2
2
2
2
2
1
2
2
1
2
1
1
1
1
1
1
Header Global
Rating
(10 max)
4
5
5
8
5
7
6
5
7
7
9
9
8
7
5
6
6
6
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 Llanddwyn Island 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest