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Surf Forecasts:

Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 5 am Friday 23 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 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 9s primary swell from a Southwest direction (forecast issued at 05:00am January 23). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (23 Jan)1.5ft (0.5m)9s
Afternoon (23 Jan)2ft (0.6m)17s
Evening (23 Jan)3.5ft (1.1m)16s

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
23
Saturday
24
Sunday
25
Mon
26
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
SW
0.6
SW
0.5
SW
0.2
WSW
0.6
WSW
0.8
WSW
1.1
SW
1.1
SW
0.7
WSW
0.6
WSW
1
SW
1
SW
0.5
WSW
0.5
WSW
0.6
WSW
0.5
WSW
0.6
WSW
1.3
SSE
1.2
SSW
0.8
SW
0.4
WSW
0.7
WSW
0.8
WSW
0.7
SW
Period(s) (?)999191716161616151111181816151458818171616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)536841372003476025802201542332281881781791351389717178121258330248
Wind
(km/h)
15
SE
20
E
30
E
40
ESE
30
ESE
35
ESE
40
ESE
45
ESE
40
ESE
35
ESE
35
ESE
35
ESE
40
ESE
40
E
45
ESE
40
ESE
25
ESE
15
E
15
E
20
E
15
ENE
15
ENE
15
ENE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off
High Tide
/ height (m)
11:50AM
4.11
12:15AM
3.59
12:30PM
3.98
12:58AM
3.48
1:16PM
3.78
Low Tide
/ height (m)
6:54PM
0.31
7:02AM
0.63
7:36PM
0.48
7:47AM
0.83
8:24PM
0.70
Friday
23
Saturday
24
Sunday
25
Mon
26
Sunrise--8:15-------8:14-------8:11-----
Sunset----4:43-------4:45-------4:46---
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
cloud
cloud
clear
cloud
part cloud
cloud
cloud
light rain
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
Rain (mm)
--------1-------1-------
Temp. °C667787777767776666677666
Feels °C (?)110-21-2-3-3-2-1-3-2-2-2-4-302122122
  • 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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