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Surf Forecasts:

Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 11 am Thursday 12 Feb 2026 GMT
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
7.7° C
 (Which is normal for this time of year)

How big are the waves at Llanddwyn Island today?

The current surf forecast for Llanddwyn Island at 6PM is: 1.5m 15s primary swell from a West-southwest direction (forecast issued at 11:00am February 12). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (GMT) & DateWave HeightWave Period
Morning (12 Feb)3ft (0.9m)14s
Afternoon (12 Feb)4.5ft (1.4m)16s
Evening (12 Feb)4.5ft (1.4m)15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
12
Friday
13
Saturday
14
Sunday
15
9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM
Rating
(10 max)
2
2
4
4
3
2
2
2
1
1
0
0
1
1
0
0
0
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
WSW
1
SW
1.4
SW
1.5
WSW
1.4
SW
1.5
SW
1.4
SW
1.3
SW
1.1
SW
0.9
WSW
0.7
SW
0.6
SW
0.5
SW
0.5
SW
0.4
SW
0.3
SW
0.4
SW
0.4
SW
0.4
SW
0.6
SW
1.2
SSW
1.9
SSW
2.1
SSW
1.8
SW
Period(s) (?)14111615151413131312121212121111131313134677
Wave
Graph
(?)Metric surfscale
Energy kJ (?)342255105710568698776515523822601401086868311844444213653229407349
Wind
(km/h)
15
NE
10
NE
5
E
10
E
15
E
20
E
20
E
25
ENE
30
ENE
35
NE
35
NE
30
NE
20
NNE
15
NNE
15
N
10
N
5
N
5
W
10
SW
25
S
40
S
40
SSE
45
SSE
25
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffglasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffcross-
off		cross-
off		cross-
off		glassglassoncross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
6:21PM
2.81
6:52AM
3.00
7:22PM
3.00
7:43AM
3.27
8:06PM
3.21
Low Tide
/ height (m)
12:31PM
1.52
1:00AM
1.44
1:34PM
1.26
1:50AM
1.17
2:17PM
0.95
2:28AM
0.88
Thursday
12
Friday
13
Saturday
14
Sunday
15
Sunrise7:41-------7:39-------7:37-------
Sunset--5:22-------5:23-------5:24-----
cloud
light rain
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
clear
clear
clear
clear
cloud
cloud
cloud
light rain
mod rain
mod rain
rain showers
Rain (mm)
-1----2111----------1661
Temp. °C766666543344333446554348
Feels °C (?)3343210-2-5-5-5-4-3-2-20131-2-5-7-62
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Llanddwyn Island at:
surf-forecast.com

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