Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 12 am 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
18.2°C
2.5° 

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 (27 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 0.5ft (0.1m), 7s period with SW swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 0.5ft (0.1m), 6s period with SW swell.
  • Evening surf: Evening surf (27 Aug, local time) - 0.5ft (0.2m), 7s period with SSW swell.

The current surf forecast for Llanddwyn Island at 7AM is: 0.1m 12s primary swell from a West direction and 0.1m 7s secondary swell from a Southwest direction, 0.1m 4s secondary swell from a Southwest direction (forecast issued at 12:00am August 27). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (27 Aug)0.5ft (0.1m)7s
Afternoon (27 Aug)0.5ft (0.1m)6s
Evening (27 Aug)0.5ft (0.2m)7s

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


Short Range Forecast

Heavy rain (total 46mm), heaviest during Thu afternoon. Warm (max 20°C on Wed night, min 15°C on Fri night). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
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
12
0.1
W
12
0.1
W
12
0.1
SW
7
0.1
W
12
0.1
SW
6
0.1
W
12
0.2
SSW
7
0.1
W
12
0.6
SSW
3
0.8
SSW
4
0.7
SW
4
0.6
SSW
4
0.4
SW
6
0.7
SW
6
0.9
SW
5
1
SW
5
1.3
SW
6
1.1
SW
7
0.9
SSW
7
0.9
SSW
6
1
SW
7
1
SW
8
0.8
SW
8
Wave Graph
Metric surfscale
Energy kJ
3
3
3
2
3
2
3
5
4
8
16
18
12
10
40
38
51
112
99
76
63
91
108
93
Wind (km/h)
15
ENE
15
E
15
ENE
15
NE
10
ENE
5
ENE
5
SW
5
SSW
5
SW
10
S
10
WNW
10
WNW
15
W
15
SW
15
SSW
15
S
20
SSW
20
S
15
SE
30
S
25
S
10
WSW
15
WSW
25
W
Wind State
cross-off
cross-off
cross-off
off
cross-off
glassy
glassy
glassy
on
cross-on
cross
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
on
on
cross-on
High Tide
9:55AM3.58m
10:04PM4.02m
10:23AM3.73m
10:32PM4.18m
10:51AM3.84m
Low Tide
4:13AM0.41m
4:20PM0.46m
4:45AM0.20m
4:53PM0.30m
5:18AM0.06m
5:26PM0.21m
part cloud
rain showers
rain showers
light rain
light rain
mod rain
mod rain
light rain
cloud
cloud
light rain
light rain
light rain
rain showers
cloud
clear
rain showers
cloud
light rain
rain showers
light rain
clear
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:18
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:19
8:16
8:15
 mm
1
1
1
4
9
8
1
4
3
1
1
1
4
6
1
Temp °C
19
17
16
17
17
17
16
16
16
16
16
16
17
17
18
16
16
16
15
18
17
17
16
15
Feels °C
18
16
15
16
17
18
17
17
17
15
16
16
16
16
17
14
14
13
14
14
14
16
15
11
  • 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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