Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 12 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
17.1°C
1.8° 

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 (14 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 2.5ft (0.7m), 5s period with SW swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 3.5ft (1.0m), 5s period with SW swell.
  • Evening surf: Evening surf (14 Sep, local time) - 5ft (1.5m), 6s period with SW swell.

The current surf forecast for Llanddwyn Island at 10PM is: 1.6m 6s primary swell from a Southwest direction (forecast issued at 12:00pm September 14). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (14 Sep)2.5ft (0.7m)5s
Afternoon (14 Sep)3.5ft (1.0m)5s
Evening (14 Sep)5ft (1.5m)6s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Mon night. Very mild (max 17°C on Mon morning, min 13°C on Tue night). Mainly fresh winds.

Mon
14
Tuesday
15
Wednesday
16
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SW
5
0.9
SW
4
1.1
SW
5
1.3
SW
6
1.6
SW
6
1.7
SW
6
1.5
SW
6
1.2
WSW
6
1.3
WSW
5
1.2
WSW
5
1.1
WSW
5
0.8
SW
6
0.6
SW
6
1.1
NW
5
1.1
NW
5
1.2
NW
5
1.2
NW
5
0.9
WNW
5
0.7
WNW
4
0.5
W
4
0.6
WSW
4
Wave Graph
Metric surfscale
Energy kJ
24
27
51
97
187
210
170
103
82
81
69
38
30
55
69
85
85
44
18
8
11
Wind (km/h)
15
S
25
SSW
30
S
25
S
30
SSW
35
SSW
25
WSW
15
WSW
25
W
30
W
25
WNW
25
WNW
20
WNW
25
NW
25
NW
20
NW
25
NW
20
WNW
15
W
15
SSW
25
WSW
Wind State
cross-on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
on
on
High Tide
11:50AM4.02m
00:07AM4.16m
12:24PM3.85m
00:44AM3.84m
1:00PM3.60m
Low Tide
6:35PM0.19m
6:58AM0.30m
7:12PM0.44m
7:33AM0.66m
7:49PM0.75m
part cloud
cloud
part cloud
part cloud
light rain
light rain
rain showers
clear
part cloud
cloud
rain showers
rain showers
clear
clear
cloud
light rain
rain showers
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:50
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:34
7:31
 mm
1
5
2
1
2
1
1
Temp °C
17
17
17
17
17
17
17
15
14
15
15
15
15
13
13
14
13
13
14
14
15
Feels °C
16
15
13
14
13
13
14
13
9
9
10
11
12
8
8
10
8
9
10
11
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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