Llangrannog surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 6 pm 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
11.6° 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 10PM is: 0.8m 5s primary swell from a North direction and 0.1m 8s secondary swell from a South direction (forecast issued at 06:00pm May 11). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (11 May)--
Afternoon (11 May)3.5ft (1.1m)5s
Evening (11 May)2.5ft (0.8m)5s

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 9mm), mostly falling on Tue night. Very mild (max 13°C on Tue afternoon, min 8°C on Mon night). Winds increasing (light winds from the WSW on Mon night, strong winds from the NNW by Wed night).

Mon
11
Tuesday
12
Wednesday
13
Thu
14
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
1 AM
4 AM
7 AM
10 AM
1 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
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.1
NNW
5
1
N
5
0.8
N
5
0.1
S
9
0.1
W
19
0.1
W
19
0.6
WNW
4
0.7
NW
4
0.6
NNW
4
0.1
W
18
0.1
W
18
1.4
WNW
5
1.6
WNW
6
2
WNW
6
0.1
W
16
0.1
W
16
0.1
W
16
0.7
WSW
7
0.6
WSW
6
0.1
W
16
0.1
W
16
0.1
W
16
0.1
SW
15
0.6
W
5
Wave Graph
Metric surfscale
Energy kJ
74
55
32
1
7
7
8
16
15
6
6
100
161
289
5
5
5
47
30
5
5
5
9
21
Wind (km/h)
30
NNW
25
N
15
N
10
NW
10
WSW
10
W
20
WNW
25
NW
15
NW
20
WSW
30
W
35
W
40
W
40
WNW
40
WNW
35
NW
30
NW
35
NW
40
NW
45
NNW
45
NW
45
NNW
40
NNW
35
NNW
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
High Tide
4:16PM2.68m
4:40AM3.09m
5:22PM2.97m
5:39AM3.38m
6:13PM3.32m
6:29AM3.71m
Low Tide
11:00PM1.29m
11:46AM0.93m
11:59PM1.09m
12:37PM0.68m
00:52AM0.85m
clear
clear
cloud
clear
part cloud
clear
cloud
clear
clear
clear
clear
cloud
part cloud
rain showers
light rain
clear
cloud
rain showers
rain showers
light rain
light rain
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:26
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:58
9:00
9:01
9:02
1
1
1
1
1
1
1
1
1
Temp °C
10
10
8
8
8
8
10
11
12
13
11
9
9
9
8
10
11
10
9
8
8
9
9
9
3
4
3
4
5
5
5
5
8
9
5
1
0
0
-1
1
4
2
0
-2
-2
-1
0
0
Swell 1
Height (m)
Direction
Period (s)
0.1
S
8
0.5
N
5
0.3
N
4
0.2
N
4
0.1
S
9
0.1
S
9
0.3
W
4
0.7
N
5
0.6
N
5
0.1
W
18
0.1
W
17
0.1
W
16
0.1
W
16
0.1
W
16
0.7
WSW
7
0.6
WSW
6
0.1
W
16
0.1
W
16
0.1
W
16
0.1
SW
15
0.6
W
5
Energy kJ
1
11
3
1
1
1
2
25
20
6
6
5
5
5
47
30
5
5
5
9
21
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
0.3
W
4
0.1
W
18
0.1
S
8
0.1
SW
16
0.1
W
16
0.1
SW
15
Energy kJ
1
2
3
7
6
6
2
6
1
10
5
8
Swell 3
Height (m)
Direction
Period (s)
0.1
W
19
0.1
W
19
0.1
SW
8
0.1
W
18
0.1
S
8
Energy kJ
7
7
3
6
1
Wind waves
Height (m)
Direction
Period (s)
1.1
NNW
5
1
N
5
0.8
N
5
0.3
W
2
0.6
WNW
4
0.7
NW
4
0.6
NNW
4
0.5
W
3
1.4
WNW
5
1.6
WNW
6
2
WNW
6
2.2
WNW
6
2.2
NW
7
1.8
NW
7
1.3
NNW
6
2
NNW
6
2.3
NNW
7
2.4
NNW
7
2.3
NNW
7
2.5
NNW
7
2.2
NNW
7
Energy kJ
74
55
32
1
8
16
15
5
100
161
289
406
414
271
136
319
459
546
523
581
457
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
1
1
1
2
4
2
1
1
1
2
1
1
1
Distance (km)
376
376
290
190
181
190
251
419
374
373
359
345
359
359
721
705
721
800
501
501
501
903
953
290
Best forecast wave conditions in Mid Wales
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
3
3
2
2
2
1
1
1
2
4
4
4
4
2
4
2
4
4
Header Global
Rating
(10 max)
5
5
9
9
9
5
5
6
9
9
9
8
5
8
8
6
6
9
9
8
9
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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