Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 6 am 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
17.5°C
2.1° 

Llanddwyn Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Llanddwyn Island today (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 3ft (0.9m), 5s period with NW swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 1.5ft (0.4m), 8s period with SW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 1ft (0.3m), 8s period with SW swell.

The current surf forecast for Llanddwyn Island at 12PM is: 0.8m 5s primary swell from a Northwest direction and 0.4m 8s secondary swell from a Southwest direction, 0.3m 6s secondary swell from a Southwest direction (forecast issued at 06:00am September 09). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (09 Sep)3ft (0.9m)5s
Afternoon (09 Sep)1.5ft (0.4m)8s
Evening (09 Sep)1ft (0.3m)8s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Fri night. Very mild (max 17°C on Thu night, min 13°C on Wed night). Winds decreasing (strong winds from the SSW on Thu morning, light winds from the SSW by Fri afternoon).

Wednesday
9
Thursday
10
Friday
11
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
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
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
NW
6
1.1
NW
6
0.9
NW
5
0.4
SW
8
0.4
SW
8
0.3
SW
8
0.3
SW
8
0.6
SW
4
0.8
SSW
4
0.9
SSW
4
1.3
SSW
5
1.6
SW
6
1.8
SW
6
1.7
SW
7
1.3
SW
7
1.2
WSW
7
0.9
WSW
7
0.8
SW
7
0.6
SW
7
0.6
SW
7
0.5
SW
7
0.4
SW
7
0.4
SW
6
Wave Graph
Metric surfscale
Energy kJ
119
67
42
21
15
9
9
8
21
35
83
177
282
261
174
134
83
55
37
29
23
16
15
Wind (km/h)
30
NW
25
NNW
20
NW
20
NW
10
NW
10
SSW
15
S
20
S
25
S
25
S
35
S
40
SSW
35
SSW
25
SW
15
WSW
20
W
15
WNW
15
WNW
20
NW
15
WNW
10
WNW
10
SSW
15
S
Wind State
cross
cross-off
cross
cross
cross
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
High Tide
8:48AM3.63m
8:58PM4.11m
9:29AM3.86m
9:39PM4.37m
10:06AM4.03m
Low Tide
3:19PM0.38m
3:49AM-0.10m
4:02PM0.12m
4:31AM-0.30m
4:43PM-0.03m
cloud
part cloud
clear
clear
clear
clear
cloud
cloud
cloud
cloud
part cloud
cloud
light rain
rain showers
rain showers
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:41
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:49
7:45
7:44
 mm
1
1
1
Temp °C
13
14
14
14
14
14
13
14
13
14
15
16
15
16
17
15
14
13
13
14
14
14
13
Feels °C
7
9
10
10
11
12
9
10
8
9
9
9
10
13
15
12
12
10
10
11
12
12
10
  • 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
How to use the Wavefinder 

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.


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