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Surf Forecasts:

Llangrannog surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 11 am Wednesday 18 Mar 2026 GMT
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
8.9° C
 (Which is slightly warmer than usual)

How big are the waves at Llangrannog today?

The current surf forecast for Llangrannog at 5PM is: 0.5m 15s primary swell from a West direction and 0.5m 10s secondary swell from a West-southwest direction (forecast issued at 11:00am March 18). The wind direction is predicted to be offshore.

Time (GMT) & DateWave HeightWave Period
Morning (18 Mar)1.5ft (0.5m)17s
Afternoon (18 Mar)1.5ft (0.5m)16s
Evening (18 Mar)1.5ft (0.4m)14s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Saturday
21
9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM
Rating
(10 max)
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
W
0.6
W
0.5
W
0.4
WSW
0.4
WSW
0.3
WSW
0.3
WSW
0.3
WSW
0.3
WSW
0.3
WSW
0.2
W
0.2
WSW
0.2
WSW
0.2
WSW
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
Period(s) (?)1716161514141313981188812121515151515141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)15419012673693933331514107763344444444
Wind
(km/h)
10
E
10
E
15
ESE
10
E
10
ESE
10
E
10
ESE
10
ESE
10
ESE
10
ESE
10
ENE
10
ENE
10
SE
10
SE
10
SE
5
SE
5
SE
5
NE
5
NNE
5
NNE
5
E
5
E
5
E
0
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffglassglasscross-
on		glassglassglassglassglass
High Tide
/ height (m)
7:21AM
4.10
7:41PM
3.93
7:56AM
4.38
8:16PM
4.16
8:32AM
4.54
8:53PM
4.29
Low Tide
/ height (m)
2:22PM
0.13
2:29AM
0.23
2:56PM
-0.01
3:03AM
0.13
3:29PM
-0.03
3:36AM
0.13
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise6:26-------6:24-------6:20-------
Sunset---6:25-------6:28-------6:30----
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
cloud
part cloud
Rain (mm)
------------------------
Temp. °C101417151412111111131514121110910111211101099
Feels °C (?)811141312108881012129877891098877
  • 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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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.

View detailed surf forecast for Llangrannog at:
surf-forecast.com

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