Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 12 am 11 Jul 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
16.5° C
1.9° 

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 (11 Jul):

  • Morning surf: Morning surf (11 Jul, local time) - 0.5ft (0.1m), 7s period with W swell.
  • Afternoon surf: Afternoon surf (11 Jul, local time) - 1.5ft (0.4m), 5s period with NW swell.
  • Evening surf: Evening surf (11 Jul, local time) - 0.5ft (0.1m), 8s period with W swell.

The current surf forecast for Llanddwyn Island at 8AM is: 0.1m 7s primary swell from a West direction (forecast issued at 12:00am July 11). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (11 Jul)0.5ft (0.1m)7s
Afternoon (11 Jul)1.5ft (0.4m)5s
Evening (11 Jul)0.5ft (0.1m)8s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 14°C on Sun night). Wind will be generally light.

Saturday
11
Sunday
12
Monday
13
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
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
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)
0.1
W
11
0.1
W
9
0.1
W
8
0.1
W
8
0.4
NW
5
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.3
NW
5
0.2
NNW
5
0.1
NW
4
0.1
W
16
0.1
N
5
0.4
NE
2
0.4
ENE
3
0.3
ENE
2
0.2
ENE
2
0.1
W
19
0.1
W
19
0.1
W
19
Wave Graph
Metric surfscale
Energy kJ
2
1
1
1
9
1
1
1
1
3
0
1
5
0
0
0
0
0
0
0
0
7
7
7
Wind (km/h)
15
NNE
10
N
10
N
10
NNW
5
N
10
N
20
NNE
20
NE
15
ENE
10
ENE
15
ENE
15
ENE
20
ENE
25
NE
25
NE
20
ENE
20
ENE
15
ENE
15
ENE
20
ENE
20
ENE
25
NE
25
NE
25
ENE
Wind State
off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
off
off
off
cross-off
off
cross-off
cross-off
off
off
off
off
off
High Tide
6:42AM3.46m
7:20PM3.49m
7:48AM3.62m
8:18PM3.75m
8:48AM3.79m
9:12PM4.02m
Low Tide
1:12AM1.03m
1:49PM0.78m
2:21AM0.73m
2:51PM0.57m
3:21AM0.38m
3:45PM0.34m
clear
clear
part cloud
clear
cloud
cloud
clear
cloud
clear
cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:40
9:39
9:38
 mm
Temp °C
20
19
18
20
23
24
22
21
22
19
18
19
23
25
23
22
18
16
14
16
20
22
20
20
Feels °C
19
19
18
20
24
24
21
19
20
18
16
17
20
22
19
19
14
12
10
12
16
17
16
16
  • 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 

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