Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 6 pm Sunday 05 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
9.1° 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 1AM is: 0.9m 6s primary swell from a Southwest direction and 0.4m 10s secondary swell from a Southwest direction, 0.3m 4s secondary swell from a Northwest direction (forecast issued at 06:00pm April 05). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (06 Apr)3ft (0.9m)5s
Afternoon (06 Apr)3.5ft (1.0m)6s
Evening (06 Apr)3ft (0.9m)7s

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


Updates in  hr  min  s Forecast update imminent
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
WSW
1.3
WSW
1.1
SW
0.9
SW
0.8
SW
0.8
SW
0.9
SSW
1
SSW
1
SW
0.9
SSW
0.8
SW
0.8
SSW
0.8
SSW
0.4
SW
0.4
WSW
0.4
WSW
0.6
SSW
0.4
SW
0.4
SSW
0.5
SW
0.5
SW
0.4
SW
0.4
SW
0.4
SW
Period(s) (?)6111067105667788191716888811101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)160397265706311537707881627280931191075023232855353433
Wind
(km/h)
25
WSW
20
WSW
15
SW
15
SSW
15
S
20
SSE
25
SSE
25
SSE
20
S
10
SSE
10
ESE
10
ESE
10
ESE
10
E
10
ESE
5
S
5
E
0
SE
5
SSE
10
ESE
5
E
5
SE
10
SSW
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glassglassglasscross-
on
cross-
off
glasscrosscross-
on
on
High Tide
/ height (m)
12:10AM
3.81
12:31PM
3.67
12:44AM
3.59
1:07PM
3.37
1:20AM
3.33
Low Tide
/ height (m)
6:42PM
0.51
6:58AM
0.53
7:14PM
0.79
7:33AM
0.79
7:49PM
1.07
8:14AM
1.07
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Sunrise-----6:41-------6:37-------6:35--
Sunset-7:58-------8:00-------8:01------
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
Rain (mm)
------------------------
Temp. °C89887781012121111121214161817151516151513
Feels °C (?)1344322379889911141717131214131210
  • 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

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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.


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