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Surf Forecasts:

Llangrannog surfForecast / Wales – Mid / UK

information circle16 Day Weather and Surf, issued 11 pm Thursday 19 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
9.2° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Llangrannog this week:

The most powerful waves expected at Llangrannog in the next 16 days are 2.0m 7s and forecast to arrive on Friday (Mar 27) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Wednesday (Mar 25) at 9AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 3AM (Fri 27th Mar)6.5ft (2.0m) 7s

Table - best surf conditions forecast for Llangrannog over the next 16 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Mostly dry. Very mild (max 13°C on Thu night, min 8°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Wed afternoon. Very mild (max 11°C on Tue morning, min 4°C on Sun night). Winds increasing (calm on Mon morning, strong winds from the W by Wed afternoon).

Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thu
26
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
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 (?)
0.2
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
1.1
N
0.1
W
0.1
W
0.1
W
0.8
WSW
1.5
WSW
1.5
W
1.9
WNW
1.1
W
1.4
NW
0.7
WSW
1.4
WSW
Period(s) (?)81215141413131412512121246765556
Wave
Graph
(?)Metric surfscale
Energy kJ (?)634443343534332413419806711923131
Wind
(km/h)
10
ESE
5
SE
5
N
0
ENE
5
ESE
5
NNW
0
SSW
5
WSW
10
N
30
N
5
ENE
5
WSW
10
SSW
25
SSW
40
SW
30
WNW
35
W
45
W
40
WNW
35
NW
20
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offcross-
on		glassglassglassglassglasscross-
on		cross-
on		cross-
off		cross-
on		cross-
off		cross-
off		crosscross-
on		cross-
on		cross-
on		ononon
High Tide
/ height (m)
8:32AM
4.54
8:53PM
4.29
9:10AM
4.57
9:31PM
4.29
9:50AM
4.43
10:11PM
4.16
10:33AM
4.15
10:54PM
3.91
11:20AM
3.75
11:43PM
3.57
12:15PM
3.30
12:43AM
3.21
1:28PM
2.89
Low Tide
/ height (m)
3:03AM
0.13
3:29PM
-0.03
3:36AM
0.13
4:03PM
0.08
4:11AM
0.22
4:37PM
0.31
4:47AM
0.40
5:13PM
0.61
5:31AM
0.67
5:58PM
0.96
6:36AM
0.97
7:11PM
1.29
8:15AM
1.20
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thu
26
Sunrise-6:20--6:18--6:16--6:13--6:11--6:09--6:07-
Sunset--6:30--6:30--6:32--6:35--6:37--6:37--6:39
clear
clear
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
part cloud
clear
part cloud
Rain (mm)
-----------------2---
Temp. °C1313121012129111087771111978689
Feels °C (?)101210910107970543432-2-2-314
  • 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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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

Information about the Llangrannog Surf forecast

The above surf forecast table for Llangrannog provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Llangrannog can be found by selecting the local surf guide option on the grey menu. Our Llangrannog surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Llangrannog) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Llangrannog may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Llangrannog is 8 km (5 miles) from Aberporth. If you plan a holiday in Mid Wales, look for hotels and other accommodation in Aberporth. Aberporth has rooms for a wide range of budgets as well as car hire and transport links.

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