Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 6 pm 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
17.4°C
1.7° 

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 (02 Sep):

  • Morning surf: Morning surf (02 Sep, local time) - 4.5ft (1.4m), 5s period with SW swell.
  • Afternoon surf: Afternoon surf (02 Sep, local time) - 5ft (1.6m), 7s period with SW swell.
  • Evening surf: Evening surf (02 Sep, local time) - 4.5ft (1.3m), 7s period with SW swell.

The current surf forecast for Llanddwyn Island at 2AM is: 1.1m 5s primary swell from a Southwest direction (forecast issued at 06:00pm September 01). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (02 Sep)4.5ft (1.4m)5s
Afternoon (02 Sep)5ft (1.6m)7s
Evening (02 Sep)4.5ft (1.3m)7s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Wed morning. Very mild (max 18°C on Wed afternoon, min 14°C on Fri morning). Mainly fresh winds.

Tue
1
Wednesday
2
Thursday
3
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)
1.1
SW
5
1.2
SW
5
1.2
SW
5
1.1
SW
5
1
SW
5
1
SW
5
1.5
SSW
6
1.9
SW
7
1.6
SW
7
1.4
SW
7
1.3
SW
7
1.6
SW
7
1.4
SW
7
1.1
SW
7
1.1
SW
7
0.9
SW
7
1.2
SW
5
1.4
SW
6
1.4
SW
6
Wave Graph
Metric surfscale
Energy kJ
60
74
83
60
50
51
143
305
208
171
143
251
168
118
102
77
63
147
157
Wind (km/h)
30
SW
25
SSW
20
SW
15
SW
20
SW
20
SSW
30
S
30
SSW
25
SSW
20
SSW
20
SSW
25
SW
25
WSW
25
WSW
20
SW
25
SW
30
SW
30
SW
20
WSW
Wind State
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
cross-on
on
on
on
on
on
on
on
cross-on
High Tide
00:40AM4.07m
1:01PM3.73m
1:22AM3.82m
1:47PM3.51m
Low Tide
7:16PM0.42m
7:43AM0.43m
7:59PM0.63m
8:28AM0.72m
8:50PM0.88m
cloud
cloud
light rain
rain showers
cloud
light rain
light rain
light rain
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:05
8:02
 mm
1
1
1
5
4
1
3
Temp °C
17
16
16
16
16
15
15
16
18
17
17
17
18
17
17
18
18
17
16
Feels °C
12
12
13
14
13
12
11
12
16
15
15
14
15
14
14
15
14
13
14
  • 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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