Llangrannog surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 12 am Monday 11 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Llangrannog surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llangrannog sea temperature is
11.7° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Llangrannog today?

The current surf forecast for Llangrannog at 6AM is: 0.9m 4s primary swell from a North-northwest direction (forecast issued at 12:00am May 11). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (11 May)3.5ft (1.0m)5s
Afternoon (11 May)4.5ft (1.3m)6s
Evening (11 May)4.5ft (1.3m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Tue night. Very mild (max 12°C on Tue afternoon, min 8°C on Mon night). Winds increasing (light winds from the WNW on Tue afternoon, strong winds from the WNW by Wed morning).

Monday
11
Tuesday
12
Wednesday
13
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)
0.9
N
5
0.7
NNW
4
0.9
NNW
4
1.1
NNW
5
1.3
NNW
6
1.3
NNW
6
1.5
N
6
1.1
N
6
0.1
S
9
0.1
W
19
0.1
W
19
0.1
W
19
0.6
NW
4
0.6
NNW
5
0.1
W
18
0.1
W
18
1.2
NW
5
1.4
WNW
5
1.7
WNW
6
2
WNW
6
0.1
W
16
0.1
SW
16
1.3
NNW
6
0.6
WSW
6
Wave Graph
Metric surfscale
Energy kJ
37
17
25
50
109
109
146
72
1
7
7
8
12
17
6
6
62
99
180
275
5
10
127
30
Wind (km/h)
15
N
20
NW
30
NNW
35
NW
25
NNW
20
N
30
N
15
N
10
NW
15
W
15
WNW
20
WNW
25
NW
10
WNW
15
WSW
25
W
35
W
40
W
40
WNW
40
WNW
35
WNW
30
WNW
35
NW
35
NNW
cross-on
on
on
on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
cross
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
High Tide
3:25AM2.90m
4:16PM2.68m
4:40AM3.09m
5:22PM2.97m
5:39AM3.38m
6:13PM3.32m
Low Tide
10:48AM1.16m
11:00PM1.29m
11:46AM0.93m
11:59PM1.09m
12:37PM0.68m
clear
part cloud
cloud
cloud
clear
clear
clear
cloud
clear
cloud
clear
cloud
clear
clear
clear
clear
cloud
cloud
light rain
light rain
part cloud
light rain
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:30
5:28
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:58
9:00
9:01
1
1
1
1
1
Temp °C
9
9
9
10
9
11
9
8
8
8
8
10
11
11
12
11
9
9
9
9
10
11
10
10
4
4
3
3
3
6
2
4
4
4
4
5
6
8
8
6
1
1
0
0
2
4
2
2
Swell 1
Height (m)
Direction
Period (s)
0.7
N
5
0.4
NNW
4
0.3
N
4
0.1
S
9
0.1
S
9
0.3
W
4
0.6
N
5
0.5
N
5
0.1
W
18
0.1
W
18
0.1
W
17
0.1
W
16
0.1
W
16
0.1
SW
16
0.7
WSW
7
0.6
WSW
6
Energy kJ
24
7
3
1
1
3
19
13
6
6
6
5
5
10
45
30
Swell 2
Height (m)
Direction
Period (s)
0.1
S
9
0.1
S
9
0.1
SW
9
0.1
W
19
0.1
W
18
0.1
W
18
0.2
W
3
0.1
W
18
0.1
S
8
0.1
SW
16
0.1
W
16
Energy kJ
1
2
3
7
6
6
1
6
1
10
5
Swell 3
Height (m)
Direction
Period (s)
0.1
W
19
0.1
W
19
0.1
S
8
0.1
W
18
0.1
S
8
Energy kJ
7
7
1
6
1
Wind waves
Height (m)
Direction
Period (s)
0.9
N
5
0.7
NNW
4
0.9
NNW
4
1.1
NNW
5
1.3
NNW
6
1.3
NNW
6
1.5
N
6
1.1
N
6
0.3
WNW
3
0.6
WNW
3
0.6
NW
4
0.6
NNW
5
0.4
W
3
1.2
NW
5
1.4
WNW
5
1.7
WNW
6
2
WNW
6
1.9
NW
6
1.6
NW
6
1.3
NNW
6
1.8
NNW
6
Energy kJ
37
17
25
50
109
109
146
72
1
8
12
17
3
62
99
180
275
269
201
127
237
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
2
1
1
1
1
2
1
1
1
1
1
1
1
3
1
2
1
1
Distance (km)
125
152
202
372
53
376
376
64
190
181
190
352
419
359
379
359
345
364
708
720
994
1248
925
433
Best forecast wave conditions in Mid Wales
Rating
(10 max)
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
3
3
2
2
3
3
2
2
2
2
1
1
1
2
4
4
2
3
1
Header Global
Rating
(10 max)
5
8
6
5
4
5
5
5
5
5
5
9
9
9
9
9
7
5
7
7
6
6
7
9
  • 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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