Llanddwyn Island Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 12 pm 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
17.5°C
1.8° 

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 (02 Sep):

  • Morning surf: Morning surf (02 Sep, local time) - 4ft (1.2m), 5s period with SSW swell.
  • Afternoon surf: Afternoon surf (02 Sep, local time) - 4.5ft (1.3m), 6s period with SW swell.
  • Evening surf: Evening surf (02 Sep, local time) - 5ft (1.6m), 7s period with SW swell.

The current surf forecast for Llanddwyn Island at 5PM is: 1.4m 6s primary swell from a Southwest direction (forecast issued at 12:00pm September 02). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (02 Sep)4ft (1.2m)5s
Afternoon (02 Sep)4.5ft (1.3m)6s
Evening (02 Sep)5ft (1.6m)7s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Thu night. Very mild (max 18°C on Wed afternoon, min 13°C on Fri night). Winds decreasing (fresh winds from the SW on Thu afternoon, light winds from the WNW by Fri night).

Wed
2
Thursday
3
Friday
4
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)
1.2
SSW
5
1.4
SSW
6
1.3
SW
6
1.6
SW
6
1.6
SW
7
1.6
SW
7
1.4
SW
7
1.2
SW
7
1.2
SW
7
1.3
SW
5
1.6
SW
6
1.5
SW
6
1.4
SW
6
1.2
SW
6
1.1
SW
6
1.3
WSW
7
1.6
WSW
5
1.5
WSW
5
1.3
WSW
5
1.2
WSW
5
1.1
WSW
5
Wave Graph
Metric surfscale
Energy kJ
64
131
116
188
233
244
163
139
143
83
154
167
167
113
101
172
127
126
99
64
56
Wind (km/h)
30
SSE
30
S
30
SSW
25
SSW
25
SW
25
SW
25
WSW
20
WSW
20
SW
30
SW
30
SSW
35
SW
30
SW
15
W
20
W
30
W
35
WSW
35
WSW
30
WSW
30
W
30
WNW
Wind State
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
High Tide
1:01PM3.73m
1:22AM3.82m
1:47PM3.51m
2:14AM3.50m
2:44PM3.26m
Low Tide
7:43AM0.43m
7:59PM0.63m
8:28AM0.72m
8:50PM0.88m
9:25AM1.02m
9:57PM1.11m
light rain
light rain
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
light rain
mod rain
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:05
8:02
8:00
 mm
3
2
5
7
Temp °C
15
17
18
17
17
18
17
16
17
17
17
17
16
15
15
14
15
15
17
17
16
Feels °C
11
14
15
14
14
15
14
13
14
13
13
12
12
14
12
9
9
8
11
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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