Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 12 am 29 Jul 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
17.1° C
1.7° 

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 (29 Jul):

  • Morning surf: Morning surf (29 Jul, local time) - 2.5ft (0.7m), 4s period with SW swell.
  • Afternoon surf: Afternoon surf (29 Jul, local time) - 2.5ft (0.7m), 4s period with SW swell.
  • Evening surf: Evening surf (29 Jul, local time) - 2.5ft (0.7m), 4s period with SW swell.

The current surf forecast for Llanddwyn Island at 6AM is: 0.8m 4s primary swell from a Southwest direction (forecast issued at 12:00am July 29). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (29 Jul)2.5ft (0.7m)4s
Afternoon (29 Jul)2.5ft (0.7m)4s
Evening (29 Jul)2.5ft (0.7m)4s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Wed morning, min 13°C on Thu night). Wind will be generally light.

Wednesday
29
Thursday
30
Friday
31
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)
0.8
SW
5
0.8
SW
5
0.7
SW
4
0.7
SW
4
0.7
SW
4
0.7
SW
4
0.8
SW
4
0.8
SW
5
0.6
SW
5
0.6
SW
4
0.4
SW
4
0.4
SW
5
0.6
W
4
0.4
SW
4
0.4
SW
4
0.4
SW
4
0.4
SW
4
0.4
SW
5
0.4
SW
5
0.3
SW
5
0.3
SW
5
0.3
SW
4
0.4
SW
3
0.5
SW
4
Wave Graph
Metric surfscale
Energy kJ
35
25
20
18
18
18
22
25
17
13
7
9
10
4
5
3
4
7
8
3
3
3
2
8
Wind (km/h)
20
SSW
20
S
20
S
25
S
25
SSW
25
SSW
20
SSW
5
SW
5
WNW
10
W
15
WNW
15
WNW
20
W
10
W
10
WSW
5
WNW
5
E
5
S
5
NW
10
W
15
WSW
15
SW
15
SW
15
SSE
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
glassy
glassy
glassy
cross
cross-on
cross-on
on
on
cross-on
High Tide
10:17AM3.50m
10:30PM3.90m
10:49AM3.58m
11:01PM4.02m
11:19AM3.63m
Low Tide
4:39AM0.51m
4:47PM0.55m
5:13AM0.35m
5:20PM0.43m
5:48AM0.25m
5:54PM0.38m
clear
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
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>
5:28
5:30
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:17
9:15
9:14
 mm
Temp °C
16
17
17
18
19
19
18
16
15
15
14
14
15
16
17
16
15
14
13
15
16
17
16
15
Feels °C
14
15
15
15
16
15
16
16
15
14
12
11
12
14
15
15
14
13
12
13
13
13
12
12
  • 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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