Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 6 am 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's Llanddwyn Island sea temperature is
15.3°C
1.6° 

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 (18 Oct):

  • Morning surf: Morning surf (18 Oct, local time) - 0.5ft (0.1m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Oct, local time) - 0.5ft (0.1m), 6s period with W swell.
  • Evening surf: Evening surf (18 Oct, local time) - 0.5ft (0.1m), 8s period with W swell.

The current surf forecast for Llanddwyn Island at 2PM is: 0.1m 6s primary swell from a West direction (forecast issued at 06:00am October 18). The wind direction is predicted to be offshore.

Time (BST) & DateWave HeightWave Period
Morning (18 Oct)0.5ft (0.1m)6s
Afternoon (18 Oct)0.5ft (0.1m)6s
Evening (18 Oct)0.5ft (0.1m)8s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Tue morning. Very mild (max 14°C on Mon afternoon, min 8°C on Sun morning). Winds increasing (calm on Tue morning, strong winds from the SSW by Tue night).

Sunday
18
Monday
19
Tuesday
20
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
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)
0.1
W
11
0.1
W
10
0.1
W
6
0.1
W
6
0.1
W
6
0.1
W
8
0.1
W
6
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
17
0.1
W
16
0.3
SE
3
0.4
SE
3
0.1
W
15
0.1
W
11
0.1
W
11
0.1
W
13
0.1
W
11
0.1
W
11
0.1
W
10
0.1
W
10
0.6
S
4
Wave Graph
Metric surfscale
Energy kJ
2
2
1
1
1
1
1
3
3
3
6
5
1
2
4
2
2
4
2
2
2
2
9
Wind (km/h)
10
E
10
E
10
E
10
NE
15
NE
15
NNE
15
NNE
20
NE
20
NE
25
NE
15
ENE
15
ESE
15
ESE
10
E
10
ESE
5
ESE
5
ENE
5
E
0
SSE
10
SW
15
SSW
15
SSE
20
SE
Wind State
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
on
cross-on
cross-on
cross
High Tide
3:07PM2.89m
4:26AM2.60m
5:01PM2.85m
6:08AM2.69m
6:20PM3.01m
Low Tide
9:14AM1.54m
10:06PM1.48m
10:29AM1.65m
11:34PM1.47m
11:56AM1.59m
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:48
—
—
—
—
—
—
—
7:50
—
—
—
—
—
—
—
7:52
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:15
—
—
—
—
—
—
—
6:14
—
—
—
—
—
—
—
6:12
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
3
2
—
—
Temp °C
8
8
8
10
11
11
11
10
9
10
11
13
14
13
12
11
11
10
10
10
11
10
10
Feels °C
5
5
5
7
7
7
7
6
4
5
8
10
11
10
9
9
9
9
10
8
8
7
6
  • 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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