Llanddwyn Island Surf Break

Llanddwyn Island 48 hour detailed Surf Forecast

Lat Long: 53.13° N 4.42° W

Issued: 12 am 04 Jul 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
16.9° C

2.6°C warmer than normal for this time of year

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 (04 Jul):

  • Morning surf: Morning surf (04 Jul, local time) - 3ft (0.9m), 5s period with SW swell.
  • Afternoon surf: Afternoon surf (04 Jul, local time) - 3.5ft (1.1m), 5s period with SW swell.
  • Evening surf: Evening surf (04 Jul, local time) - 3ft (0.9m), 5s period with WSW swell.

The current surf forecast for Llanddwyn Island at 9AM is: 0.9m 5s primary swell from a Southwest direction and 0.3m 4s secondary swell from a Northwest direction (forecast issued at 12:00am July 04). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (04 Jul)3ft (0.9m)5s
Afternoon (04 Jul)3.5ft (1.1m)5s
Evening (04 Jul)3ft (0.9m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 20°C on Sat afternoon, min 15°C on Fri night). Winds decreasing (fresh winds from the SW on Sat morning, light winds from the SSW by Sun night).

Saturday
4
Sunday
5
Monday
6
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)
0.9
SW
5
0.8
SW
5
0.8
SW
5
0.9
SW
5
1.1
SW
5
1.1
SW
5
1
SW
5
0.9
SW
5
0.8
WSW
5
0.6
SW
5
0.6
SW
6
0.5
SW
6
0.5
SW
5
0.4
SW
5
0.6
SW
4
0.6
SW
4
0.5
SW
4
0.5
SW
4
0.4
SW
5
0.4
SW
5
0.4
SW
5
0.4
SW
5
0.6
SW
4
0.6
SW
4
Wave Graph
Metric surfscale
Energy kJ
43
28
26
31
55
66
47
32
25
20
28
16
14
9
8
10
8
10
8
9
9
8
8
14
Wind (km/h)
15
SSW
15
WSW
15
SW
25
SW
30
SW
30
SW
20
WSW
15
WSW
15
WSW
10
WSW
10
SW
15
SW
15
SW
20
SSW
20
SSW
15
SSW
10
SSW
10
SSW
10
SSW
15
SW
15
SW
20
SSW
20
SSW
10
S
Wind State
on
on
on
on
on
on
on
on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
High Tide
00:28AM3.84m
12:48PM3.35m
1:02AM3.78m
1:25PM3.28m
1:39AM3.69m
2:08PM3.22m
Low Tide
7:25AM0.52m
7:31PM0.73m
8:04AM0.60m
8:10PM0.86m
8:45AM0.69m
8:52PM1.00m
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:45
9:45
9:45
 mm
Temp °C
17
15
15
17
19
20
20
18
17
16
16
17
18
19
18
17
17
16
15
16
17
19
18
17
Feels °C
16
14
13
13
15
16
17
16
16
15
16
16
16
17
16
16
16
15
15
14
15
17
16
16
Swell 1
Height (m)
Direction
Period (s)
0.1
W
11
0.1
W
11
0.3
NW
4
0.3
NW
4
0.1
W
10
0.1
W
10
0.6
SW
5
0.6
SW
6
0.3
NW
4
0.2
WNW
4
0.5
SW
4
0.5
SW
4
0.4
SW
5
0.2
WNW
4
0.2
WNW
4
Energy kJ
3
2
2
3
2
2
20
28
2
1
8
10
8
1
1
Swell 2
Height (m)
Direction
Period (s)
0.3
NW
4
0.4
NW
4
0.4
NW
4
0.2
WNW
4
0.3
NW
4
0.1
NW
4
0.2
WNW
4
0.2
WNW
4
0.3
NW
4
0.3
NW
4
Energy kJ
3
4
4
1
2
1
1
1
2
2
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.9
SW
5
0.8
SW
5
0.8
SW
5
0.9
SW
5
1.1
SW
5
1.1
SW
5
1
SW
5
0.9
SW
5
0.8
WSW
5
0.4
NW
4
0.5
SW
6
0.5
SW
5
0.4
SW
5
0.6
SW
4
0.6
SW
4
0.1
NW
4
0.4
SW
5
0.4
SW
5
0.4
SW
5
0.6
SW
4
0.6
SW
4
Energy kJ
43
28
26
31
55
66
47
32
25
6
16
14
9
8
10
1
9
9
8
8
14
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
Distance (km)
272
272
532
175
532
532
587
385
175
175
35
272
291
291
291
343
311
304
272
272
272
334
342
311
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
4
3
3
3
2
1
2
1
2
2
2
2
2
1
1
1
1
1
1
2
1
1
Header Global
Rating
(10 max)
8
5
5
5
5
5
4
5
5
9
9
9
8
7
5
7
6
5
6
5
5
9
8
7
  • 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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