Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 6 pm 24 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
16.9°C
1.9° 

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 (24 Sep):

  • Afternoon surf: Afternoon surf (24 Sep, local time) - 3ft (0.9m), 4s period with SSW swell.
  • Evening surf: Evening surf (24 Sep, local time) - 3ft (0.9m), 5s period with SW swell.

The current surf forecast for Llanddwyn Island at 9PM is: 0.9m 5s primary swell from a Southwest direction and 0.1m 11s secondary swell from a West direction (forecast issued at 06:00pm September 24). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (24 Sep)--
Afternoon (24 Sep)3ft (0.9m)4s
Evening (24 Sep)3ft (0.9m)5s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Thu night. Very mild (max 16°C on Thu afternoon, min 13°C on Fri morning). Winds increasing (light winds from the WNW on Fri afternoon, fresh winds from the S by Sun morning).

Thu
24
Friday
25
Saturday
26
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
4
0.9
SW
5
0.9
SW
5
0.9
SW
5
0.8
SW
5
0.7
SW
5
0.2
WSW
16
0.2
WSW
16
0.2
WSW
16
0.1
SW
15
0.4
SW
5
0.5
WSW
4
0.7
WSW
4
0.9
SW
4
1
SW
5
1.1
SW
5
1.1
SW
5
1.1
SW
5
1.3
SW
6
Wave Graph
Metric surfscale
Energy kJ
29
32
38
38
33
23
25
25
24
9
8
7
16
29
43
63
53
65
96
Wind (km/h)
25
SSW
25
SSW
25
SSW
20
SSW
20
SSW
15
NW
10
NNW
10
NW
5
WNW
10
SSW
15
SSW
15
SSW
15
SSW
20
SW
25
SW
25
SSW
25
SSW
20
SSW
20
S
Wind State
cross-on
cross-on
cross-on
cross-on
on
cross
cross-off
cross
cross
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
High Tide
9:01PM3.83m
9:23AM3.66m
9:29PM4.06m
9:50AM3.87m
9:58PM4.25m
Low Tide
3:14PM0.70m
3:39AM0.35m
3:48PM0.45m
4:12AM0.11m
4:23PM0.24m
part cloud
clear
part cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:07
—
—
—
—
—
—
—
7:09
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:12
—
—
—
—
—
—
—
7:09
—
—
—
—
—
—
—
7:07
—
 mm
—
—
—
—
—
2
1
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
16
15
16
15
16
14
13
13
13
13
13
13
13
13
14
15
16
15
14
Feels °C
12
12
13
12
14
12
12
11
11
11
10
10
10
9
9
10
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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