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Surf Forecasts:

Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 11 pm 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 4AM is: 2.1m 6s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a West direction (forecast issued at 11:00pm January 10). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (11 Jan)8ft (2.5m)8s
Afternoon (11 Jan)7ft (2.2m)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
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SW
1.3
SSW
2
SSW
2.2
SSW
2.5
SSW
2.5
SSW
2.2
SSW
2.5
SSW
3
SW
3
SW
3
SW
2.5
SW
2.3
SW
2.1
SW
2.1
SW
2.2
SW
2
SW
1.8
SW
1.6
SW
1.3
SW
1.1
SW
0.7
SW
1
SW
0.9
SW
Period(s) (?)956788881010101011117711111111111177
Wave
Graph
(?)Metric surfscale
Energy kJ (?)20772905287598176519791801169314781210115410353984669357436294292981219175
Wind
(km/h)
30
SSE
35
S
45
SSE
50
S
50
S
50
S
45
S
50
S
50
SSW
50
SW
45
SW
40
SSW
35
SSW
35
SSW
35
SSW
40
SW
35
SW
30
SSW
30
SSW
20
WSW
15
NW
20
NW
25
WNW
30
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onononononononononononcross-
on		cross-
off		crosscrosscross-
on
High Tide
/ height (m)
2:56AM
3.02
3:15PM
3.20
4:01AM
2.93
4:24PM
3.03
5:09AM
2.93
5:35PM
2.97
Low Tide
/ height (m)
9:06PM
0.97
9:19AM
1.30
10:04PM
1.22
10:30AM
1.46
11:15PM
1.35
11:52AM
1.46
Sunday
11
Monday
12
Tuesday
13
Sunrise----8:26-------8:26-------8:26---
Sunset------4:22-------4:24-------4:25-
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
light rain
cloud
light rain
cloud
rain showers
rain showers
rain showers
light rain
light rain
light rain
light rain
light rain
rain showers
part cloud
Rain (mm)
-1111113211-1-111112321-
Temp. °C56678911111010101010101010991087776
Feels °C (?)-2-3-4-4-3-1210-11233322333320-2
  • 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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