Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 12 am 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
18.0°C
2.3° 

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 (28 Aug):

  • Morning surf: Morning surf (28 Aug, local time) - 1ft (0.3m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (28 Aug, local time) - 1.5ft (0.4m), 6s period with SW swell.
  • Evening surf: Evening surf (28 Aug, local time) - 2ft (0.6m), 6s period with SW swell.

The current surf forecast for Llanddwyn Island at 8AM is: 0.3m 6s primary swell from a Southwest direction and 0.2m 3s secondary swell from a South-southwest direction (forecast issued at 12:00am August 28). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (28 Aug)1ft (0.3m)6s
Afternoon (28 Aug)1.5ft (0.4m)6s
Evening (28 Aug)2ft (0.6m)6s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Sat morning. Very mild (max 18°C on Sat morning, min 15°C on Sat night). Wind will be generally light.

Friday
28
Saturday
29
Sunday
30
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
1
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
SSW
7
0.2
SSW
6
0.3
SW
6
0.3
SW
6
0.4
SW
6
0.4
SW
6
0.5
SW
6
0.8
SW
6
0.9
SW
5
1.1
SW
5
0.9
SW
6
0.8
SW
6
1
SSW
6
1.1
SW
6
1.3
WSW
7
1.6
WNW
6
1
SW
9
1.2
SW
9
0.9
SW
9
0.8
SW
9
0.5
SW
8
1.1
SW
5
1.3
SW
6
1.2
SW
7
Wave Graph
Metric surfscale
Energy kJ
4
4
6
6
10
10
19
45
42
62
52
46
71
108
167
162
173
242
115
88
33
51
112
128
Wind (km/h)
10
S
10
SSW
10
WSW
15
WNW
10
W
15
WSW
15
SSW
20
S
20
SSW
20
SSW
10
SE
15
E
15
SSW
20
SW
20
W
25
NW
20
W
15
SW
15
S
25
S
25
S
25
S
30
SSW
25
SSW
Wind State
cross-on
on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-on
on
cross-on
cross
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:04PM4.02m
10:23AM3.73m
10:32PM4.18m
10:51AM3.84m
11:00PM4.28m
11:19AM3.92m
Low Tide
4:45AM0.20m
4:53PM0.30m
5:18AM0.06m
5:26PM0.21m
5:52AM0.00m
6:01PM0.20m
light rain
part cloud
cloud
light rain
rain showers
clear
clear
clear
part cloud
cloud
light rain
light rain
rain showers
cloud
cloud
light rain
clear
clear
clear
rain showers
cloud
light rain
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:20
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:16
8:15
8:12
 mm
2
1
1
1
5
1
1
1
2
1
3
Temp °C
16
16
16
16
17
17
17
17
16
16
16
16
18
18
16
15
15
15
15
17
18
16
16
15
Feels °C
15
16
16
15
17
16
15
16
14
14
16
15
17
15
14
12
13
13
13
14
14
12
12
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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