Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 6 am 26 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
16.9°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 (26 Sep):

  • Morning surf: Morning surf (26 Sep, local time) - 3.5ft (1.1m), 5s period with SW swell.
  • Afternoon surf: Afternoon surf (26 Sep, local time) - 3.5ft (1.1m), 5s period with SW swell.
  • Evening surf: Evening surf (26 Sep, local time) - 4ft (1.2m), 5s period with SW swell.

The current surf forecast for Llanddwyn Island at 10AM is: 1.1m 5s primary swell from a Southwest direction (forecast issued at 06:00am September 26). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (26 Sep)3.5ft (1.1m)5s
Afternoon (26 Sep)3.5ft (1.1m)5s
Evening (26 Sep)4ft (1.2m)5s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sun morning. Very mild (max 16°C on Sat morning, min 11°C on Mon night). Winds decreasing (strong winds from the SSE on Sun morning, calm by Sun night).

Saturday
26
Sunday
27
Monday
28
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
WSW
5
1.1
SW
5
1.1
SW
5
1.1
SW
5
1.1
SW
5
1.2
SW
5
1.2
SW
6
1.1
SW
5
0.9
SW
5
1
SSW
6
1.1
SSW
6
1.4
SSW
6
1.8
SW
7
1.1
SW
7
0.8
SW
7
0.7
SW
7
0.7
SW
7
0.6
SW
7
0.6
SW
7
0.4
SW
7
0.4
SW
7
0.4
SW
7
0.4
SW
7
Wave Graph
Metric surfscale
Energy kJ
50
62
64
69
65
80
86
74
49
63
69
126
309
127
67
51
51
31
29
16
16
17
16
Wind (km/h)
20
SW
20
SW
25
SW
25
SSW
30
SSW
25
SSW
20
S
25
S
20
SSE
20
SSE
20
SE
40
SSE
35
W
20
WNW
10
W
15
W
10
W
5
S
10
SSE
10
S
10
SSE
10
ENE
15
SE
Wind State
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
glassy
cross-on
cross-on
cross-on
cross-off
cross-off
High Tide
9:50AM3.87m
9:58PM4.25m
10:18AM4.03m
10:29PM4.36m
10:48AM4.13m
Low Tide
4:23PM0.24m
4:46AM-0.05m
4:58PM0.11m
5:22AM-0.09m
5:36PM0.07m
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
light rain
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:09
—
—
—
—
—
—
—
7:11
—
—
—
—
—
—
—
7:11
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
7:07
—
—
—
—
—
—
—
7:05
—
—
—
—
—
—
—
7:02
—
 mm
—
—
—
—
—
—
—
—
—
—
1
5
—
—
—
—
—
—
—
—
—
—
—
Temp °C
14
14
15
16
16
15
14
14
13
13
12
14
14
14
14
13
13
12
13
14
15
14
14
Feels °C
10
10
11
12
11
11
11
10
9
9
8
7
8
10
11
10
11
10
11
11
12
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
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