Llanddwyn Island Surf Break

Llanddwyn Island 48 hour detailed Surf Forecast

Lat Long: 53.13° N 4.42° W

Issued: 6 pm 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
16.9° C

3.0°C warmer than normal for this time of year

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 (01 Jul):

  • Morning surf: Morning surf (01 Jul, local time) - 1.5ft (0.5m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (01 Jul, local time) - 2ft (0.6m), 6s period with SW swell.
  • Evening surf: Evening surf (01 Jul, local time) - 4.5ft (1.4m), 6s period with SW swell.

The current surf forecast for Llanddwyn Island at 12AM is: 0.8m 6s primary swell from a Southwest direction and 0.2m 12s secondary swell from a West-southwest direction (forecast issued at 06:00pm June 30). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (01 Jul)1.5ft (0.5m)6s
Afternoon (01 Jul)2ft (0.6m)6s
Evening (01 Jul)4.5ft (1.4m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 17°C on Thu afternoon, min 13°C on Tue night). Winds increasing (light winds from the SW on Tue night, fresh winds from the W by Wed night).

Tue
30
Wednesday
1
Thursday
2
Fri
3
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
1 AM
4 AM
7 AM
10 AM
1 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)
1.1
SW
6
0.9
SW
6
0.8
SW
6
0.8
SW
6
0.6
SW
6
0.6
SW
6
0.5
SW
6
0.5
SW
6
0.6
SW
6
1.1
SW
4
1.7
SW
6
1.9
SW
7
1.6
WSW
7
1.2
SW
7
1.1
NW
6
0.9
NW
6
0.6
SW
7
0.5
SW
7
0.5
SW
6
0.4
SW
6
0.5
SW
6
0.4
SW
6
0.4
SW
5
0.5
SW
3
Wave Graph
Metric surfscale
Energy kJ
77
64
53
43
23
21
17
19
24
52
198
325
236
131
72
47
36
21
20
9
17
11
7
4
Wind (km/h)
20
SSW
20
SSW
10
S
10
SW
10
NW
15
WNW
10
WNW
15
WSW
25
SSW
35
SSW
35
SSW
35
SW
35
W
35
NW
30
NW
25
NW
20
NW
10
W
10
SW
10
S
10
S
10
S
20
SSW
25
SSW
Wind State
on
on
cross-on
on
cross
cross
cross-on
on
cross-on
cross-on
cross-on
on
cross-on
cross
cross
cross
cross
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
High Tide
10:44PM3.78m
11:06AM3.50m
11:20PM3.84m
11:40AM3.47m
11:54PM3.86m
12:14PM3.41m
Low Tide
5:08PM0.64m
5:34AM0.48m
5:43PM0.59m
6:11AM0.45m
6:18PM0.59m
6:48AM0.47m
rain showers
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
rain showers
cloud
cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:46
9:46
9:46
9:45
 mm
1
1
Temp °C
16
16
15
15
14
13
14
15
15
14
14
15
13
13
13
14
16
17
16
15
14
14
16
16
Feels °C
13
14
14
15
13
11
13
13
11
8
9
10
6
7
7
9
12
15
14
13
13
13
13
11
Swell 1
Height (m)
Direction
Period (s)
0.1
SW
13
0.1
SW
12
0.8
SW
6
0.8
SW
6
0.6
SW
6
0.6
SW
6
0.5
SW
6
0.5
SW
6
0.4
NW
4
0.1
NW
4
1.2
SW
7
0.9
SW
7
0.7
SW
7
0.6
SW
7
0.5
SW
7
0.2
WNW
4
0.4
SW
6
0.5
SW
6
0.4
SW
6
0.4
SW
5
Energy kJ
6
6
53
43
23
21
17
19
4
1
131
67
47
36
21
1
9
17
11
7
Swell 2
Height (m)
Direction
Period (s)
0.2
WSW
12
0.2
WSW
12
0.2
WSW
12
0.2
WSW
12
0.2
WSW
11
0.2
WSW
11
0.2
WSW
10
0.4
NW
5
0.2
NNW
5
0.1
W
11
Energy kJ
14
14
14
13
12
11
10
7
2
2
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
12
0.1
NW
4
0.1
W
11
0.1
W
11
0.1
W
11
Energy kJ
15
1
2
2
2
Wind waves
Height (m)
Direction
Period (s)
1.1
SW
6
0.9
SW
6
0.4
WNW
4
0.6
WNW
4
0.6
WNW
4
0.4
WNW
4
0.6
SW
6
1.1
SW
4
1.7
SW
6
1.9
SW
7
1.6
WSW
7
1
NW
5
1.1
NW
6
0.9
NW
6
0.6
NW
5
0.5
SW
6
0.4
SW
3
0.5
SW
3
Energy kJ
77
64
5
12
12
7
24
52
198
325
236
51
72
44
20
20
3
4
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
1
1
1
1
1
3
1
2
1
3
1
1
1
1
1
1
1
1
2
1
Distance (km)
110
269
35
35
159
159
35
35
329
532
320
496
540
330
164
164
37
35
162
162
162
162
267
267
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
3
2
2
2
2
2
2
2
1
1
1
1
1
2
2
2
2
2
2
1
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
4
5
5
9
7
7
6
6
5
5
7
9
9
9
5
  • 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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