Llangrannog Surf Break

Lat Long: 52.16° N 4.47° W

Llangrannog 48 hour detailed Surf Forecast

Issued: 6 pm 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llangrannog sea temperature is
17.6°C
2.2° 

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


How big are the waves at Llangrannog today (20 Sep):

  • Afternoon surf: Afternoon surf (20 Sep, local time) - 1.5ft (0.5m), 7s period with WSW swell.
  • Evening surf: Evening surf (20 Sep, local time) - 1.5ft (0.4m), 7s period with SW swell.

The current surf forecast for Llangrannog at 10PM is: 0.4m 7s primary swell from a Southwest direction (forecast issued at 06:00pm September 20). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (20 Sep)--
Afternoon (20 Sep)1.5ft (0.5m)7s
Evening (20 Sep)1.5ft (0.4m)7s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Mon morning, min 13°C on Sun afternoon). Wind will be generally light.

Sun
20
Monday
21
Tuesday
22
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
WSW
7
0.4
WSW
7
0.4
SW
7
0.4
SW
7
0.3
WSW
7
0.2
WSW
7
0.1
W
13
0.4
SW
4
0.4
SW
6
0.3
WSW
6
0.4
SW
6
0.2
WSW
6
0.2
WSW
6
0.2
WSW
6
0.1
W
13
0.1
W
13
0.2
WSW
6
0.2
W
12
0.3
WSW
12
Wave Graph
Metric surfscale
Energy kJ
18
18
12
12
9
4
4
4
10
8
10
4
4
4
4
4
4
11
27
Wind (km/h)
10
NW
5
WNW
5
SSW
10
SSE
10
S
10
S
10
S
15
WSW
15
W
10
WSW
10
SW
10
SSW
5
S
5
SSW
5
SSW
5
WNW
5
NW
5
NW
0
SSE
Wind State
on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
glassy
on
on
glassy
glassy
High Tide
3:41PM2.50m
5:04AM2.41m
5:37PM2.69m
6:12AM2.65m
6:27PM3.00m
Low Tide
10:57PM1.60m
11:28AM1.59m
00:23AM1.36m
12:37PM1.32m
clear
clear
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:20
7:16
 mm
Temp °C
14
13
13
14
14
15
16
19
19
19
18
17
16
16
17
19
18
17
17
Feels °C
12
12
11
11
11
13
15
18
18
19
18
17
16
16
18
20
19
18
18
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Llangrannog surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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