Llandanwg Surf Break

Llandanwg 48 hour detailed Surf Forecast

Lat Long: 52.83° N 4.13° W

Issued: 12 am 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Llandanwg sea temperature is
15.3° C

2.2°C warmer than normal for this time of year

Llandanwg surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Llandanwg today (17 Jun):

  • Morning surf: Morning surf (17 Jun, local time) - 2.5ft (0.8m), 5s period with SW swell.
  • Afternoon surf: Afternoon surf (17 Jun, local time) - 2ft (0.6m), 4s period with SW swell.
  • Evening surf: Evening surf (17 Jun, local time) - 3ft (0.9m), 5s period with SW swell.

The current surf forecast for Llandanwg at 7AM is: 0.9m 5s primary swell from a Southwest direction and 0.2m 10s secondary swell from a West-southwest direction (forecast issued at 12:00am June 17). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 Jun)2.5ft (0.8m)5s
Afternoon (17 Jun)2ft (0.6m)4s
Evening (17 Jun)3ft (0.9m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 10mm), heaviest on Thu morning. Very mild (max 19°C on Fri morning, min 13°C on Wed night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
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)
0.6
SW
5
0.8
SW
5
0.9
SW
5
0.7
SW
5
0.6
SW
5
0.6
SW
4
0.8
SW
5
0.9
SW
5
0.7
SW
5
0.6
SW
5
0.5
SW
4
0.8
SSW
4
1.1
SW
6
1.1
SW
6
1
SW
6
0.9
SW
7
0.7
SW
7
0.6
SW
7
0.7
SW
7
0.7
SW
6
0.8
SW
6
1
SW
6
1
SW
7
0.9
SW
7
Wave Graph
Metric surfscale
Energy kJ
19
26
35
25
20
12
25
39
25
18
9
22
69
88
83
63
46
42
54
33
53
79
88
71
Wind (km/h)
20
S
20
SSW
25
SSW
20
SSW
20
SSW
20
SW
20
SW
15
SSW
15
S
15
SSE
20
SSE
25
S
25
SSW
20
S
15
SSW
10
S
10
SSE
15
SSE
15
SSE
20
S
20
SSW
20
SSW
20
SSW
20
SW
Wind State
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
High Tide
10:18AM4.35m
10:39PM4.67m
11:07AM4.15m
11:28PM4.53m
11:56AM3.88m
Low Tide
5:16AM0.13m
5:32PM0.43m
6:08AM0.15m
6:20PM0.53m
6:59AM0.27m
7:09PM0.68m
light rain
light rain
light rain
light rain
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
light rain
rain showers
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:50
4:50
4:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:43
9:44
9:44
 mm
1
1
1
1
1
3
1
2
Temp °C
14
15
14
14
15
15
15
14
13
14
14
16
16
17
17
16
16
17
17
18
19
19
18
15
Feels °C
12
12
11
11
12
12
11
12
11
12
11
12
13
15
16
16
15
16
16
16
17
17
16
12
Swell 1
Height (m)
Direction
Period (s)
0.1
SW
11
0.2
WSW
10
0.2
WSW
10
0.2
WSW
10
0.1
SW
10
0.2
W
10
0.1
SW
10
0.7
SW
5
0.6
SW
5
0.5
SW
4
0.1
SW
9
0.1
W
10
0.9
SW
7
0.7
SW
7
0.6
SW
7
0.5
WSW
8
0.7
SW
6
0.9
SW
7
Energy kJ
5
11
10
10
4
8
4
25
18
9
3
2
63
46
42
35
33
71
Swell 2
Height (m)
Direction
Period (s)
0.1
W
11
0.2
WSW
10
0.1
SW
10
0.1
SW
9
0.1
SW
9
0.2
WSW
8
Energy kJ
2
10
4
3
3
6
Swell 3
Height (m)
Direction
Period (s)
0.1
W
9
0.1
SW
7
Energy kJ
2
2
Wind waves
Height (m)
Direction
Period (s)
0.6
SW
5
0.8
SW
5
0.9
SW
5
0.7
SW
5
0.6
SW
5
0.6
SW
4
0.8
SW
5
0.9
SW
5
0.3
SSE
3
0.8
SSW
4
1.1
SW
6
1.1
SW
6
1
SW
6
0.2
SSE
2
0.7
SW
7
0.4
SSE
3
0.8
SW
6
1
SW
6
1
SW
7
0.8
WSW
7
Energy kJ
19
26
35
25
20
12
25
39
1
22
69
88
83
1
54
3
53
79
88
62
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
244
244
244
262
262
262
256
136
136
136
148
150
150
262
205
78
136
136
1
136
136
262
262
262
Best forecast wave conditions in Mid Wales
Rating
(10 max)
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
2
3
3
2
2
2
2
2
2
2
2
3
2
2
2
2
2
1
1
2
1
2
Header Global
Rating
(10 max)
6
5
5
4
5
4
4
4
5
8
9
9
6
5
5
6
5
7
7
6
9
4
7
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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