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Surf Forecasts:

Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 11 am Friday 16 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
7.5° C
 (Which is 1.0°C colder than average for this time of year)

How big are the waves at Llanddwyn Island today?

The current surf forecast for Llanddwyn Island at 5PM is: 1.3m 8s primary swell from a Southwest direction and 0.3m 16s secondary swell from a West-southwest direction, 0.9m 4s secondary swell from a Southeast direction (forecast issued at 11:00am January 16). The wind direction is predicted to be cross-shore.

Time (GMT) & DateWave HeightWave Period
Morning (16 Jan)4ft (1.2m)5s
Afternoon (16 Jan)4.5ft (1.3m)7s
Evening (16 Jan)4ft (1.2m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
16
Saturday
17
Sunday
18
Monday
19
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)
0
0
0
0
0
0
1
1
1
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
SSW
1.5
SSW
1.3
SW
1.3
SW
1.2
SW
1.1
SW
1
SW
1
SW
0.9
SSW
0.9
SW
0.9
SW
0.8
SW
0.7
SW
0.7
SW
0.6
SW
0.6
SSW
0.6
SSW
0.5
SW
0.4
SW
0.4
SW
0.3
SW
0.4
SW
0.3
SW
0.3
SW
Period(s) (?)567888888887777666777766
Wave
Graph
(?)Metric surfscale
Energy kJ (?)74164160193169138132132117959165535035272621161171166
Wind
(km/h)
30
SSE
30
SSE
30
SSE
20
SE
20
SE
15
SE
15
ESE
10
ESE
10
ESE
10
SE
10
SE
10
ESE
10
ESE
10
ESE
10
E
10
ESE
5
SE
5
SE
5
SE
10
S
10
SSE
10
SSE
5
SE
5
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		crosscrosscrosscrosscross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crossglassglasscross-
on		cross-
on		crossglassglass
High Tide
/ height (m)
7:54AM
3.36
8:17PM
3.31
8:34AM
3.57
8:55PM
3.44
9:10AM
3.76
9:29PM
3.55
Low Tide
/ height (m)
2:37PM
0.87
2:50AM
0.82
3:15PM
0.65
3:26AM
0.63
3:52PM
0.45
4:01AM
0.47
Friday
16
Saturday
17
Sunday
18
Monday
19
Sunrise8:22-------8:22-------8:21-------
Sunset--4:30-------4:32-------4:34-----
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
part cloud
cloud
Rain (mm)
------------------1-----
Temp. °C789776666898778778777787
Feels °C (?)012221222565435446554465
  • 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.

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

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