Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 6 am 02 Aug 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
17.0° C
1.6° 

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 (02 Aug):

  • Morning surf: Morning surf (02 Aug, local time) - 1ft (0.3m), 4s period with SW swell.
  • Afternoon surf: Afternoon surf (02 Aug, local time) - 0.5ft (0.1m), 8s period with W swell.
  • Evening surf: Evening surf (02 Aug, local time) - 0.5ft (0.1m), 8s period with SW swell.

The current surf forecast for Llanddwyn Island at 11AM is: 0.3m 4s primary swell from a Southwest direction and 0.1m 8s secondary swell from a West direction (forecast issued at 06:00am August 02). The wind direction is predicted to be glassy.

Time (BST) & DateWave HeightWave Period
Morning (02 Aug)1ft (0.3m)4s
Afternoon (02 Aug)0.5ft (0.1m)8s
Evening (02 Aug)0.5ft (0.1m)8s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Mon night. Warm (max 23°C on Mon morning, min 15°C on Mon night). Wind will be generally light.

Sunday
2
Monday
3
Tuesday
4
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)
0.4
SW
4
0.4
SW
4
0.3
SW
4
0.2
SSW
4
0.1
SW
8
0.1
SW
8
0.1
W
10
0.1
W
10
0.2
WSW
9
0.2
WSW
9
0.2
WSW
9
0.3
WSW
9
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.4
SW
8
0.9
SSW
4
1
SSW
5
1.1
SW
5
1.4
SW
6
1.6
SW
6
Wave Graph
Metric surfscale
Energy kJ
6
4
2
1
3
3
3
3
8
8
8
15
18
18
18
17
17
16
28
52
57
110
178
Wind (km/h)
10
SSE
10
SE
5
SE
5
WSW
10
N
15
NNE
15
NE
15
NE
10
E
10
ESE
10
SSE
10
SSW
15
WNW
5
N
15
NNW
5
E
10
SSE
15
SSE
20
S
25
S
30
SSW
25
SSW
25
SSW
Wind State
cross
cross
glassy
on
cross-off
off
off
off
cross-off
cross-off
cross
on
cross-on
cross-off
cross-off
cross-off
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
12:20PM3.64m
00:32AM4.05m
12:54PM3.59m
1:07AM3.94m
1:32PM3.51m
Low Tide
6:57AM0.24m
7:04PM0.48m
7:33AM0.34m
7:41PM0.62m
8:12AM0.50m
8:22PM0.79m
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:37
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:10
9:08
9:07
 mm
1
2
Temp °C
14
14
16
18
18
17
17
16
16
17
21
23
20
18
15
16
16
17
18
19
20
19
17
Feels °C
12
12
15
16
16
14
14
13
14
15
19
21
17
17
13
15
15
15
16
16
16
15
14
  • 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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