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Surf Forecasts:

Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 5 pm Saturday 22 Nov 2025 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
12.0° C
 (Which is slightly warmer than usual)

How big are the waves at Llanddwyn Island today?

The current surf forecast for Llanddwyn Island at 4AM is: 1.8m 6s primary swell from a Southwest direction and 0.1m 13s secondary swell from a West direction (forecast issued at 05:00pm November 22). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (23 Nov)6.5ft (2.0m)7s
Afternoon (23 Nov)10ft (3.0m)8s
Evening (23 Nov)10ft (3.0m)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
Saturday
22
Sunday
23
Monday
24
Tuesday
25
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
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
SW
0.8
SW
0.5
SW
0.9
SW
1.8
SW
1.9
WSW
2
W
2.3
WSW
3
WSW
3
W
3
W
2
W
1.3
WSW
1
WSW
0.7
SW
0.5
SW
0.4
SW
0.2
WSW
0.2
WSW
0.2
WSW
0.1
SW
0.1
SW
0.1
SW
0.2
WSW
Period(s) (?)7777677788878788888812121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5957236524731934946110401332110240017310270341876665512
Wind
(km/h)
10
SW
15
WSW
15
SSW
20
S
25
SSW
40
W
35
W
40
WSW
55
WSW
55
W
50
NW
35
WNW
20
NW
25
N
35
N
40
N
40
N
35
N
30
N
25
N
20
N
20
N
15
NNE
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
10:23PM
3.59
10:36AM
3.74
10:56PM
3.44
11:10AM
3.63
11:32PM
3.26
11:48AM
3.50
Low Tide
/ height (m)
4:55PM
0.49
5:08AM
0.69
5:33PM
0.61
5:45AM
0.82
6:14PM
0.76
6:24AM
0.97
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Sunrise------7:54-------7:56-------7:58-
Sunset4:13-------4:12-------4:10-------
part cloud
rain showers
part cloud
cloud
rain showers
light rain
light rain
light rain
cloud
light rain
rain showers
light rain
light rain
cloud
light rain
part cloud
cloud
cloud
cloud
cloud
clear
clear
rain showers
clear
Rain (mm)
-1--6321-1211-1-------1-
Temp. °C109910119889888878999877778
Feels °C (?)755560-1-1-3-3-3031-1001101223
  • 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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