Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 12 am Wednesday 01 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
8.6° C
(Which is slightly warmer than usual)

How big are the waves at Llanddwyn Island today?

The current surf forecast for Llanddwyn Island at 4AM is: 0.5m 6s primary swell from a Southwest direction and 0.4m 6s secondary swell from a West-southwest direction (forecast issued at 12:00am April 01). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (01 Apr)2ft (0.6m)6s
Afternoon (01 Apr)2.5ft (0.8m)4s
Evening (01 Apr)2.5ft (0.8m)5s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
01
Thursday
02
Friday
03
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM
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
Wave Height (m) & direction (?)
0.4
SW
0.4
SW
0.5
SW
0.6
WSW
0.6
WSW
0.6
SW
0.8
SW
0.9
WSW
0.8
SW
0.6
SW
0.7
NW
0.6
NW
0.4
SW
0.4
WSW
0.5
SW
0.7
SW
1.1
SW
1.5
SW
1.9
SSW
2.1
SW
2
SW
2.1
SW
2.3
SW
1.9
SW
Period(s) (?)656664455655663456677788
Wave
Graph
(?)Metric surfscale
Energy kJ (?)871521201223423425221881241558133260382357459638473
Wind
(km/h)
5
SW
5
W
10
WSW
15
SW
20
SW
25
SSW
25
SW
20
NNW
20
N
20
NNW
10
NNW
15
NW
10
W
15
WSW
25
SSW
30
SSW
30
SSW
35
SSW
35
SSW
35
SW
40
SSW
45
SW
40
WSW
20
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
onononononcross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
ononcross-
on
cross-
on
cross-
on
ononononcross-
on
cross-
on
High Tide
/ height (m)
9:36PM
3.80
9:43AM
4.19
10:07PM
3.94
10:17AM
4.26
10:37PM
4.03
10:50AM
4.24
Low Tide
/ height (m)
4:08AM
0.24
4:32PM
-0.07
4:44AM
0.13
5:06PM
-0.05
5:19AM
0.12
5:39PM
0.07
Wednesday
01
Thursday
02
Friday
03
Sunrise---6:52-------6:50-------6:48----
Sunset-------7:51-------7:52-------7:54
cloud
cloud
cloud
cloud
cloud
cloud
cloud
rain showers
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
light rain
cloud
rain showers
part cloud
Rain (mm)
-------1--------211-1-1-
Temp. °C13111111101010976566677789101011129
Feels °C (?)1199754552112210001232344
  • 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.


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