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Surf Forecasts:

Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 5 pm Sunday 11 Jan 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
8.0° C
 (Which is slightly cooler than normal)

How big are the waves at Llanddwyn Island today?

The current surf forecast for Llanddwyn Island at 11PM is: 3.0m 10s primary swell from a Southwest direction (forecast issued at 05:00pm January 11). The wind direction is predicted to be onshore.

Time (GMT) & DateWave HeightWave Period
Morning (11 Jan)--
Afternoon (11 Jan)8ft (2.4m)8s
Evening (11 Jan)10ft (3.0m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 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
See all maps
Wave Height (m) & direction (?)
2.4
SSW
3
SSW
3
SW
3
SW
3
SW
2.4
SW
2.3
SW
2.1
SW
2.1
SW
2.1
SW
2.1
SW
1.9
SW
1.8
SW
1.6
SW
1.3
SW
1
SW
0.9
SW
0.7
SW
0.6
SW
0.6
SW
0.6
SW
0.5
SW
0.9
WSW
1.3
SW
Period(s) (?)8910101010111111771111111111111010101010105
Wave
Graph
(?)Metric surfscale
Energy kJ (?)809121617141608139710591176103510354223988667875644142241631088061604716868
Wind
(km/h)
45
S
55
S
50
SW
50
SW
40
SW
40
SSW
30
SSW
30
SSW
35
SSW
35
SSW
35
SSW
35
SSW
30
SSW
25
SW
30
WNW
25
WNW
25
WNW
25
WNW
20
WNW
20
WNW
20
W
15
WSW
20
SW
30
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		ononononcross-
on		onononononcross-
on		oncrosscrosscrosscrosscrosscross-
on		cross-
on		ononcross-
on
High Tide
/ height (m)
3:15PM
3.20
4:01AM
2.93
4:24PM
3.03
5:09AM
2.93
5:35PM
2.97
6:12AM
3.02
Low Tide
/ height (m)
10:04PM
1.22
10:30AM
1.46
11:15PM
1.35
11:52AM
1.46
12:28AM
1.34
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Sunrise------8:26-------8:26-------8:25-
Sunset4:22-------4:24-------4:25-------
light rain
light rain
light rain
rain showers
light rain
light rain
cloud
light rain
light rain
rain showers
part cloud
cloud
cloud
light rain
light rain
rain showers
clear
clear
clear
clear
clear
cloud
part cloud
cloud
Rain (mm)
344111-111---141--------
Temp. °C101111101010101010101010996776666668
Feels °C (?)10101243333323-210-1001100
  • 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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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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