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Surf Forecasts:

Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 5 am Saturday 10 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
8.1° C
 (Which is slightly cooler than normal)

How big are the waves at Llanddwyn Island today?

The current surf forecast for Llanddwyn Island at 10AM is: 0.5m 8s primary swell from a Southwest direction and 0.2m 11s secondary swell from a West-southwest direction, 0.4m 4s secondary swell from a Northwest direction (forecast issued at 05:00am January 10). The wind direction is predicted to be glassy.

Time (GMT) & DateWave HeightWave Period
Morning (10 Jan)1.5ft (0.5m)8s
Afternoon (10 Jan)1.5ft (0.5m)9s
Evening (10 Jan)1.5ft (0.4m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
10
Sunday
11
Monday
12
Tue
13
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
1
1
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 (?)
0.6
WSW
0.4
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.4
SW
1.1
SSW
1.9
SSW
2.2
SSW
2.5
SSW
2.5
SSW
2.3
SSW
3
SW
3.5
SW
3
SW
2.5
SW
2.5
SW
2.1
SW
1.8
SW
1.8
SW
1.7
SW
1.8
SW
1.9
SW
Period(s) (?)121288999567888910109910111111116
Wave
Graph
(?)Metric surfscale
Energy kJ (?)943831313739205423843277082971312352007142612381042817690716659773284
Wind
(km/h)
10
NNW
10
N
5
WNW
10
SW
10
S
15
SSE
25
SSE
35
S
45
SSE
50
SSE
50
S
50
S
45
SSE
55
S
55
SW
50
SW
40
SW
40
SW
30
SSW
25
SSW
20
SSW
25
S
30
SSW
30
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		glassoncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		ononononononcross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
1:58AM
3.18
2:14PM
3.47
2:56AM
3.02
3:15PM
3.20
4:01AM
2.93
4:24PM
3.03
Low Tide
/ height (m)
8:25AM
1.06
9:06PM
0.97
9:19AM
1.30
10:04PM
1.22
10:30AM
1.46
11:15PM
1.35
Saturday
10
Sunday
11
Monday
12
Tue
13
Sunrise--8:27-------8:26-------8:26-----
Sunset----4:22-------4:22-------4:24---
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
cloud
light rain
light rain
light rain
light rain
rain showers
cloud
light rain
light rain
light rain
light rain
light rain
rain showers
part cloud
cloud
Rain (mm)
-------11-11133-111131--
Temp. °C5556655667891011111010101099999
Feels °C (?)213320-2-2-4-4-3-2110012434433
  • 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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