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Surf Forecasts:

Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 11 pm Tuesday 27 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
7.8° 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 7AM is: 1.5m 12s primary swell from a Southwest direction and 0.4m 18s secondary swell from a Southwest direction (forecast issued at 11:00pm January 27). The wind direction is predicted to be cross-shore.

Time (GMT) & DateWave HeightWave Period
Morning (28 Jan)4.5ft (1.3m)12s
Afternoon (28 Jan)3.5ft (1.1m)11s
Evening (28 Jan)3.5ft (1.1m)11s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
28
Thursday
29
Friday
30
9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM
Rating
(10 max)
0
0
0
1
2
1
2
2
2
3
2
1
1
0
0
0
0
0
0
0
2
3
3
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3.5
SW
2.4
SW
1.9
SW
1.5
SW
1.3
SW
1.2
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1.3
SW
1.2
SW
1.3
SW
1.2
SW
1.1
SW
1.1
SW
1
SW
1.7
SSE
1.1
SW
0.6
WSW
1.1
WSW
1.9
SW
1.7
WSW
1.4
WSW
Period(s) (?)121212121211111111111110109998571118171717
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2888171192960343536330926826330437129029925120616813616714085768214016071107
Wind
(km/h)
40
SW
25
SSW
20
S
20
SSE
10
SE
10
SE
10
ESE
15
ESE
15
ESE
10
ESE
15
E
15
ESE
20
SE
25
SE
30
SE
30
SE
35
SE
35
SE
25
SE
20
SE
20
SSE
15
SE
20
ESE
30
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
on		crosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off		cross-
off
High Tide
/ height (m)
4:13AM
3.13
4:50PM
3.24
5:35AM
3.23
6:13PM
3.32
6:47AM
3.47
Low Tide
/ height (m)
10:39PM
1.08
11:18AM
1.18
12:03AM
1.05
12:42PM
0.95
1:15AM
0.84
1:48PM
0.58
Wednesday
28
Thursday
29
Friday
30
Sunrise----8:07-------8:07-------8:04---
Sunset------4:52-------4:53-------4:55-
light rain
part cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
part cloud
cloud
cloud
Rain (mm)
1----------------21-----
Temp. °C787668976655588877776887
Feels °C (?)-2221245322100210-2-1121430
  • 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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