Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 6 pm 09 Jul 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
16.1° 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 (09 Jul):

  • Afternoon surf: Afternoon surf (09 Jul, local time) - 0.5ft (0.2m), 3s period with WNW swell.
  • Evening surf: Evening surf (09 Jul, local time) - 0.5ft (0.1m), 4s period with SW swell.

The current surf forecast for Llanddwyn Island at 9PM is: 0.1m 4s primary swell from a Southwest direction (forecast issued at 06:00pm July 09). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (09 Jul)--
Afternoon (09 Jul)0.5ft (0.2m)3s
Evening (09 Jul)0.5ft (0.1m)4s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Sat night. Warm (max 24°C on Fri morning, min 17°C on Thu night). Wind will be generally light.

Thu
9
Friday
10
Saturday
11
Sun
12
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)
0.2
WNW
3
0.1
SW
4
0.1
SW
4
0.1
SW
4
0.1
W
12
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
11
0.1
W
11
0.1
W
11
0.1
W
9
0.1
W
8
0.5
NW
6
0.4
NW
6
0.6
NNW
5
0.1
W
8
0.4
N
3
0.4
NW
5
0.2
NNW
5
0.2
NNW
4
0.1
NW
4
0.1
W
16
Wave Graph
Metric surfscale
Energy kJ
1
1
1
1
3
2
2
0
2
2
2
2
2
1
16
11
0
1
0
0
0
0
1
5
Wind (km/h)
10
NNW
10
N
10
NNE
10
NE
10
NE
10
NE
10
NNE
10
N
15
N
15
NNE
15
NNE
15
NNE
10
NNE
10
NE
5
NW
5
NE
10
NNE
20
NNE
15
NE
15
E
10
ENE
15
ENE
15
ENE
15
ENE
Wind State
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
glassy
glassy
off
off
off
cross-off
cross-off
off
cross-off
off
High Tide
5:08PM3.17m
5:31AM3.38m
6:16PM3.29m
6:42AM3.46m
7:20PM3.49m
7:48AM3.62m
Low Tide
11:55PM1.20m
12:38PM0.92m
1:12AM1.03m
1:49PM0.78m
2:21AM0.73m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
thunderstorm
rain showers
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:03
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:43
9:42
9:40
9:39
 mm
1
2
Temp °C
19
18
17
17
17
18
21
24
24
23
20
18
17
18
21
24
24
22
21
21
19
17
19
22
Feels °C
19
17
16
16
16
17
20
24
23
23
19
17
16
18
22
25
24
21
20
19
18
15
18
21
  • 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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