Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 12 pm 26 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 (26 Aug):

  • Morning surf: Morning surf (26 Aug, local time) - 0.5ft (0.2m), 8s period with SSW swell.
  • Afternoon surf: Afternoon surf (26 Aug, local time) - 0.5ft (0.2m), 8s period with SSW swell.
  • Evening surf: Evening surf (26 Aug, local time) - 0.5ft (0.2m), 8s period with SSW swell.

The current surf forecast for Llanddwyn Island at 6PM is: 0.2m 8s primary swell from a South-southwest direction (forecast issued at 12:00pm August 26). The wind direction is predicted to be offshore.

Time (BST) & DateWave HeightWave Period
Morning (26 Aug)0.5ft (0.2m)8s
Afternoon (26 Aug)0.5ft (0.2m)8s
Evening (26 Aug)0.5ft (0.2m)8s

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


Short Range Forecast

Heavy rain (total 45mm), heaviest during Thu afternoon. Warm (max 23°C on Wed afternoon, min 16°C on Thu night). Wind will be generally light.

Wed
26
Thursday
27
Friday
28
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.2
SSW
8
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
12
1.1
SW
4
1.1
SW
5
0.6
SW
5
0.9
WNW
4
1.2
NW
5
0.9
NW
5
0.5
SW
7
0.6
SW
7
1
SW
4
Wave Graph
Metric surfscale
Energy kJ
6
6
6
6
3
3
3
3
3
3
3
3
41
55
19
31
71
31
22
36
34
Wind (km/h)
10
E
5
SSW
10
NNE
5
ENE
15
ENE
15
ENE
10
E
10
ENE
10
ENE
10
SSE
15
NW
5
SE
10
S
15
S
10
S
10
NNW
15
NW
15
WNW
15
WSW
20
SSW
15
S
Wind State
cross-off
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
glassy
cross-on
cross-on
cross-on
cross-off
cross
cross-on
on
cross-on
cross-on
High Tide
9:25AM3.40m
9:35PM3.81m
9:55AM3.58m
10:04PM4.02m
10:23AM3.73m
Low Tide
3:47PM0.67m
4:13AM0.41m
4:20PM0.46m
4:45AM0.20m
4:53PM0.30m
cloud
part cloud
thunderstorm
clear
clear
clear
part cloud
part cloud
part cloud
light rain
mod rain
heavy rain
light rain
light rain
light rain
mod rain
rain showers
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:19
8:16
 mm
1
2
8
17
2
2
5
6
1
Temp °C
18
21
21
23
20
18
17
17
19
19
17
17
16
16
16
16
17
17
18
18
17
Feels °C
17
21
21
23
19
17
16
16
18
19
17
18
16
15
16
16
16
16
17
16
16
  • 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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