Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 6 pm 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
16.8°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 (29 Sep):

  • Afternoon surf: Afternoon surf (29 Sep, local time) - 4.5ft (1.3m), 5s period with SSE swell.
  • Evening surf: Evening surf (29 Sep, local time) - 5ft (1.5m), 5s period with S swell.

The current surf forecast for Llanddwyn Island at 9PM is: 1.5m 5s primary swell from a South direction and 0.3m 8s secondary swell from a Southwest direction (forecast issued at 06:00pm September 29). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (29 Sep)--
Afternoon (29 Sep)4.5ft (1.3m)5s
Evening (29 Sep)5ft (1.5m)5s

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


Short Range Forecast

Heavy rain (total 34mm), heaviest during Tue night. Warm (max 22°C on Tue afternoon, min 13°C on Wed night). Winds decreasing (strong winds from the S on Wed morning, light winds from the SW by Wed night).

Tue
29
Wednesday
30
Thursday
1
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)
1.3
SSE
5
1.4
S
5
1.5
S
5
1.3
SW
9
2.1
SW
10
1.8
SW
11
1.8
SW
11
2
SW
11
2.1
SW
11
2.1
SW
11
1.8
SW
11
1.6
SW
11
1.5
SW
11
1.4
SW
11
1.3
SW
11
1.2
SW
11
1.1
SW
10
1.3
SW
5
1.5
SW
6
Wave Graph
Metric surfscale
Energy kJ
85
114
120
269
880
716
738
932
972
963
773
606
505
462
368
328
271
92
138
Wind (km/h)
40
SE
35
SE
30
SSE
35
SSE
30
SW
30
S
40
S
40
S
35
S
35
S
25
SSW
20
SSW
20
SW
15
SW
20
SW
20
SW
25
SSW
30
SSW
30
S
Wind State
cross
cross
cross-on
cross
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
High Tide
11:39PM4.28m
11:58AM4.06m
00:19AM4.07m
12:39PM3.87m
Low Tide
6:15PM0.12m
6:39AM0.16m
6:57PM0.27m
7:22AM0.44m
7:45PM0.50m
cloud
part cloud
cloud
light rain
mod rain
light rain
clear
clear
clear
rain showers
rain showers
rain showers
rain showers
light rain
rain showers
clear
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:16
—
—
—
—
—
—
—
7:16
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:00
—
—
—
—
—
—
6:58
—
—
—
—
—
—
—
6:54
—
—
 mm
—
—
—
4
8
2
—
—
—
1
1
1
1
1
1
—
—
—
—
Temp °C
22
21
20
18
15
15
16
16
16
15
14
14
14
13
14
15
15
15
14
Feels °C
16
16
16
13
10
10
9
9
9
9
10
11
11
10
10
11
10
9
8
  • 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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