Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 12 am 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
16.6°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 (29 Sep):

  • Morning surf: Morning surf (29 Sep, local time) - 1ft (0.3m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (29 Sep, local time) - 4ft (1.2m), 4s period with SSE swell.
  • Evening surf: Evening surf (29 Sep, local time) - 5ft (1.5m), 5s period with S swell.

The current surf forecast for Llanddwyn Island at 7AM is: 0.6m 4s primary swell from a Southeast direction and 0.3m 6s secondary swell from a Southwest direction, 0.1m 12s secondary swell from a West direction (forecast issued at 12:00am September 29). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (29 Sep)1ft (0.3m)6s
Afternoon (29 Sep)4ft (1.2m)4s
Evening (29 Sep)5ft (1.5m)5s

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


Short Range Forecast

Moderate rain (total 19mm), heaviest on Tue night. Warm (max 21°C on Tue afternoon, min 12°C on Mon night). Winds increasing (light winds from the ESE on Mon night, strong winds from the S by Wed morning).

Tuesday
29
Wednesday
30
Thursday
1
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
1
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)
0.3
SW
7
0.6
SE
4
0.6
SE
4
0.3
SW
6
0.9
SSE
4
1.3
SSE
5
1.3
SSE
5
1.5
S
5
1.9
SSW
8
1.8
SW
10
1.6
SW
11
1.8
SW
11
1.9
SW
11
1.9
SW
11
1.8
SW
11
1.7
SW
11
1.5
SW
11
1.4
SW
11
1.3
SW
11
1.4
SW
10
1.2
SW
10
1.3
SW
10
1.4
SW
6
1.4
SW
6
Wave Graph
Metric surfscale
Energy kJ
7
10
11
6
29
65
84
124
486
566
584
757
862
844
763
647
496
445
361
400
313
391
120
120
Wind (km/h)
15
ESE
10
ESE
15
ESE
20
ESE
30
SE
35
SE
35
SSE
35
SSE
30
SSE
30
SSW
20
SSE
35
S
40
S
35
S
25
S
20
SSW
15
SSW
15
SW
15
SW
20
SW
25
SSW
30
SSW
25
SSW
30
S
Wind State
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
cross
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
cross-on
High Tide
11:02PM4.37m
11:22AM4.15m
11:39PM4.28m
11:58AM4.06m
00:19AM4.07m
12:39PM3.87m
Low Tide
5:59AM-0.02m
6:15PM0.12m
6:39AM0.16m
6:57PM0.27m
7:22AM0.44m
7:45PM0.50m
part cloud
clear
part cloud
part cloud
part cloud
part cloud
light rain
light rain
light rain
mod rain
light rain
clear
rain showers
clear
clear
rain showers
light rain
clear
rain showers
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
7:13
—
—
—
—
—
—
—
7:16
—
—
—
—
—
—
—
7:16
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
7:00
—
—
—
—
—
—
6:58
—
—
—
—
—
—
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6:54
—
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 mm
—
—
—
—
—
—
1
1
3
8
2
—
1
—
—
1
1
—
1
—
—
—
—
—
Temp °C
14
13
12
16
18
21
21
19
18
17
15
16
16
16
15
14
14
14
13
14
15
15
14
14
Feels °C
11
10
9
12
14
16
16
14
14
13
12
10
9
10
10
10
11
11
10
10
10
9
9
9
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Llanddwyn Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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