Surf Break

Lat Long: 53.13° N 4.42° W

Llanddwyn Island 48 hour detailed Surf Forecast

Issued: 12 am 19 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 (19 Oct):

  • Morning surf: Morning surf (19 Oct, local time) - 0.5ft (0.1m), 17s period with W swell.
  • Afternoon surf: Afternoon surf (19 Oct, local time) - 1.5ft (0.5m), 3s period with SE swell.
  • Evening surf: Evening surf (19 Oct, local time) - 2ft (0.6m), 4s period with SSE swell.

The current surf forecast for Llanddwyn Island at 7AM is: 0.1m 12s primary swell from a West direction and 0.1m 7s secondary swell from a West direction (forecast issued at 12:00am October 19). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (BST) & DateWave HeightWave Period
Morning (19 Oct)0.5ft (0.1m)17s
Afternoon (19 Oct)1.5ft (0.5m)3s
Evening (19 Oct)2ft (0.6m)4s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Wed morning. Very mild (max 13°C on Mon morning, min 8°C on Wed morning). Winds increasing (calm on Tue morning, near gales from the WNW by Wed morning).

Monday
19
Tuesday
20
Wednesday
21
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)
0.2
NNE
2
0.1
W
12
0.1
W
12
0.1
W
17
0.4
SE
2
0.5
SE
3
0.6
SSE
4
0.6
SSE
4
0.6
S
4
0.5
S
5
0.4
SSW
4
0.3
SSW
4
0.4
SW
5
0.4
SW
5
0.4
SSW
4
0.6
SSW
4
1
SSW
5
1.3
SW
6
2.2
WSW
6
2.5
W
7
3
W
8
2.5
W
8
2.5
W
7
2.1
W
7
Wave Graph
Metric surfscale
Energy kJ
0
3
3
6
0
6
9
9
12
11
6
4
6
6
8
13
51
118
386
723
906
844
670
414
Wind (km/h)
20
ENE
20
NE
25
NE
15
ENE
20
ESE
20
SE
15
ESE
15
ESE
15
SE
10
ESE
5
ESE
5
ESE
5
SSE
10
SSE
10
SSE
15
SE
20
SE
20
SE
50
WNW
50
WNW
50
W
45
W
35
W
25
WSW
Wind State
off
off
off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:26AM2.60m
5:01PM2.85m
6:08AM2.69m
6:20PM3.01m
7:05AM2.89m
7:09PM3.23m
Low Tide
10:06PM1.48m
10:29AM1.65m
11:34PM1.47m
11:56AM1.59m
00:49AM1.28m
1:04PM1.38m
clear
clear
cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
light rain
cloud
part cloud
clear
part cloud
light rain
light rain
light rain
light rain
light rain
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
7:50
—
—
—
—
—
—
—
7:52
—
—
—
—
—
—
—
7:54
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:14
—
—
—
—
—
—
—
6:12
—
—
—
—
—
—
—
6:08
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
1
—
—
—
—
1
1
3
5
1
—
—
Temp °C
10
9
9
11
13
13
12
11
10
9
9
9
9
9
10
9
10
10
9
8
9
11
10
10
Feels °C
6
4
4
8
8
9
8
7
6
6
6
7
7
6
7
5
5
5
-1
-3
-2
1
2
4
  • 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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