Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 6 pm 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
17.6°C
2.0° 

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 (06 Sep):

  • Morning surf: Morning surf (06 Sep, local time) - 3.5ft (1.0m), 5s period with SSW swell.
  • Afternoon surf: Afternoon surf (06 Sep, local time) - 3.5ft (1.1m), 6s period with SW swell.
  • Evening surf: Evening surf (06 Sep, local time) - 4ft (1.2m), 6s period with SW swell.

The current surf forecast for Llanddwyn Island at 2AM is: 0.7m 4s primary swell from a South-southwest direction and 0.1m 6s secondary swell from a Southwest direction, 0.1m 13s secondary swell from a Southwest direction (forecast issued at 06:00pm September 05). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (06 Sep)3.5ft (1.0m)5s
Afternoon (06 Sep)3.5ft (1.1m)6s
Evening (06 Sep)4ft (1.2m)6s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Mon night. Warm (max 20°C on Sun afternoon, min 13°C on Mon night). Winds increasing (light winds from the W on Sun night, fresh winds from the W by Tue morning).

Sat
5
Sunday
6
Monday
7
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SW
6
0.5
SW
6
0.4
SW
4
0.7
SSW
4
0.9
SSW
4
1
SSW
5
1
SSW
5
1
SSW
5
1.1
SW
6
1.2
SW
6
1.2
SW
6
1.2
SW
6
1
SW
6
0.7
SW
6
0.8
WSW
6
0.8
SW
13
1.3
SW
5
1.5
SW
6
1.2
SW
6
Wave Graph
Metric surfscale
Energy kJ
16
15
7
12
24
50
56
58
80
106
99
89
58
30
41
215
73
154
105
Wind (km/h)
20
SW
15
SSW
15
S
25
S
25
S
25
S
25
SSE
35
S
35
S
25
SSW
25
S
25
SSW
20
WNW
10
W
15
SW
30
SW
25
SW
35
SW
20
W
Wind State
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross
cross-on
on
on
on
on
cross-on
High Tide
4:06PM3.08m
5:04AM3.02m
5:48PM3.13m
6:46AM3.12m
7:12PM3.41m
Low Tide
11:26PM1.19m
12:11PM1.26m
00:57AM0.99m
1:29PM1.03m
part cloud
cloud
cloud
cloud
cloud
light rain
rain showers
clear
cloud
part cloud
part cloud
cloud
light rain
part cloud
cloud
cloud
part cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:58
7:55
7:52
 mm
1
1
1
1
4
Temp °C
14
14
14
15
15
14
15
19
20
18
17
17
15
15
15
15
16
16
14
Feels °C
10
11
11
11
10
10
11
13
14
15
15
14
12
13
12
10
11
11
11
  • 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.


Nearest locationNearest