Llandanwg surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 12 am Tuesday 12 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Llandanwg surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llandanwg sea temperature is
12.5° C
(Which is 2.2°C warmer than normal for this time of year)

How big are the waves at Llandanwg today?

The current surf forecast for Llandanwg at 5AM is: 0.1m 9s primary swell from a Southwest direction (forecast issued at 12:00am May 12). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 May)1.5ft (0.5m)3s
Afternoon (12 May)3ft (0.9m)4s
Evening (12 May)2.5ft (0.7m)4s

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 11mm), heaviest on Tue night. Very mild (max 12°C on Tue afternoon, min 6°C on Mon night). Winds increasing (calm on Mon night, strong winds from the WNW by Tue night).

Tuesday
12
Wednesday
13
Thursday
14
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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.1
W
9
0.1
SW
9
0.1
SW
9
0.5
WNW
3
0.9
NW
4
0.9
NW
4
0.7
WNW
4
0.7
W
4
1.2
W
5
1.5
W
6
1.7
WNW
6
1.7
WNW
7
1.7
WNW
7
1.4
WNW
6
0.6
WSW
7
0.4
WSW
6
1.4
NW
6
1.5
NW
6
1.6
NW
6
1.3
NW
6
1.1
NW
6
1
NW
5
0.8
NW
5
0.6
NW
5
Wave Graph
Metric surfscale
Energy kJ
1
3
3
6
24
29
16
12
70
141
242
268
234
145
35
15
151
183
220
136
90
56
35
14
Wind (km/h)
0
NNE
5
W
10
W
20
WNW
30
NW
20
WNW
20
WSW
25
W
35
W
40
W
40
WNW
40
WNW
40
NW
35
NW
30
NW
30
NW
25
NNW
25
NNW
20
NNW
25
NNW
25
NNW
20
NNW
20
N
10
NNE
glassy
glassy
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
4:52AM3.32m
5:33PM3.20m
5:50AM3.63m
6:23PM3.57m
6:39AM3.98m
7:09PM3.96m
Low Tide
11:17PM1.37m
12:02PM0.99m
00:17AM1.16m
12:54PM0.73m
1:11AM0.91m
1:43PM0.50m
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
part cloud
light rain
light rain
light rain
rain showers
rain showers
rain showers
clear
cloud
cloud
light rain
light rain
light rain
rain showers
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:22
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:00
9:02
9:05
1
2
1
1
1
1
1
1
1
1
Temp °C
7
6
8
9
11
12
11
11
9
8
8
9
10
10
10
9
8
8
8
9
9
10
11
8
5
4
5
4
4
6
6
5
1
-1
-1
0
1
2
4
2
2
2
3
3
3
5
6
4
Swell 1
Height (m)
Direction
Period (s)
0.2
WNW
3
0.1
SW
9
0.1
SW
9
0.1
SW
9
0.1
SW
9
0.1
SW
8
0.4
NNW
5
0.1
W
16
0.1
W
16
0.6
WSW
7
0.4
WSW
6
0.3
WSW
6
0.2
WSW
7
0.1
W
16
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
14
0.1
W
5
Energy kJ
1
3
3
3
3
3
9
5
5
35
15
7
4
5
5
4
4
4
1
Swell 2
Height (m)
Direction
Period (s)
0.1
W
9
0.1
SW
9
0.1
W
18
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
15
0.1
W
14
Energy kJ
1
3
6
5
5
5
5
4
4
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.5
WNW
3
0.9
NW
4
0.9
NW
4
0.7
WNW
4
0.7
W
4
1.2
W
5
1.5
W
6
1.7
WNW
6
1.7
WNW
7
1.7
WNW
7
1.4
WNW
6
1.1
NW
5
1.2
NW
5
1.4
NW
6
1.5
NW
6
1.6
NW
6
1.3
NW
6
1.1
NW
6
1
NW
5
0.8
NW
5
0.6
NW
5
Energy kJ
6
24
29
16
12
70
141
242
268
234
145
65
83
151
183
220
136
90
56
35
14
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
4
1
4
2
1
2
2
2
1
1
1
1
1
Distance (km)
226
217
217
294
300
298
298
294
285
294
294
632
1306
673
643
572
292
572
572
321
318
293
301
138
Best forecast wave conditions in Mid Wales
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
2
1
1
1
3
4
4
4
1
4
4
4
2
2
3
1
1
1
1
1
Header Global
Rating
(10 max)
9
9
5
8
8
9
9
9
9
6
9
9
7
7
6
9
8
9
5
5
5
5
5
5
  • 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

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