Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 6 am 08 Aug 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
17.7° C
2.1° 

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 (08 Aug):

  • Morning surf: Morning surf (08 Aug, local time) - 1.5ft (0.4m), 4s period with SW swell.
  • Afternoon surf: Afternoon surf (08 Aug, local time) - 1.5ft (0.4m), 3s period with SSW swell.
  • Evening surf: Evening surf (08 Aug, local time) - 1ft (0.3m), 4s period with SW swell.

The current surf forecast for Llanddwyn Island at 3PM is: 0.4m 3s primary swell from a South-southwest direction and 0.3m 4s secondary swell from a Southwest direction, 0.1m 8s secondary swell from a West direction (forecast issued at 06:00am August 08). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (08 Aug)1.5ft (0.4m)4s
Afternoon (08 Aug)1.5ft (0.4m)3s
Evening (08 Aug)1ft (0.3m)4s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Sun afternoon, min 14°C on Sun night). Wind will be generally light.

Saturday
8
Sunday
9
Monday
10
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)
0.5
SW
4
0.4
SW
4
0.4
SSW
4
0.4
SSW
3
0.3
SW
4
0.3
SW
4
0.3
SW
4
0.4
SW
4
0.4
SW
4
0.2
WSW
6
0.2
WSW
6
0.2
WSW
6
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
12
0.3
SW
3
0.3
SW
4
0.2
WSW
4
0.3
SW
6
0.3
SW
6
0.3
SW
6
0.2
WSW
6
Wave Graph
Metric surfscale
Energy kJ
9
5
5
4
2
2
2
3
4
4
4
4
3
3
3
3
2
2
1
5
5
5
4
Wind (km/h)
15
S
10
S
15
S
20
SSW
15
SW
15
SSW
15
S
10
S
10
S
10
S
10
SSW
10
SW
10
SW
15
SW
10
SW
5
W
5
NNW
10
N
10
N
15
NW
10
NNW
10
NNE
15
NE
Wind State
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
5:53PM3.16m
6:34AM3.25m
7:10PM3.38m
7:48AM3.43m
8:14PM3.71m
Low Tide
12:19PM1.13m
1:01AM1.07m
1:38PM0.97m
2:14AM0.73m
2:42PM0.68m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:47
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:00
8:58
8:55
 mm
Temp °C
14
14
16
17
18
17
16
15
15
15
17
18
19
18
17
17
15
14
15
16
17
17
16
Feels °C
12
13
13
13
15
14
14
13
13
14
16
17
18
16
16
17
15
13
13
13
14
14
13
  • 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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