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Surf Forecasts:

Porth Dinllaen surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 11 pm Monday 16 Mar 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Porth Dinllaen surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Dinllaen sea temperature is
8.6° C
 (Which is slightly warmer than usual)

How big are the waves at Porth Dinllaen today?

The current surf forecast for Porth Dinllaen at 5AM is: 1.9m 7s primary swell from a Southwest direction and 0.1m 15s secondary swell from a West direction (forecast issued at 11:00pm March 16). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (17 Mar)7ft (2.2m)8s
Afternoon (17 Mar)6ft (1.9m)8s
Evening (17 Mar)5ft (1.6m)8s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Tuesday
17
Wednesday
18
Thursday
19
9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 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
See all maps
Wave Height (m) & direction (?)
2
SW
1.9
SW
1.9
SW
2.1
SW
2.2
SW
2.1
SW
1.9
SW
1.8
SW
1.6
SW
1.3
SW
1
SW
0.8
SW
0.7
SW
0.6
SW
0.3
WSW
0.5
SW
0.2
WSW
0.4
SW
0.4
SW
0.3
SW
0.3
SW
0.1
W
0.2
WSW
0.1
W
Period(s) (?)7777888888888816715777716713
Wave
Graph
(?)Metric surfscale
Energy kJ (?)410371344432535560463398306250126905853502521201288554
Wind
(km/h)
35
SSW
35
S
40
S
50
S
50
S
45
S
40
SSW
30
S
25
S
20
S
15
SE
10
ESE
5
ENE
5
NE
0
ESE
10
NE
10
E
10
SE
10
SE
5
ESE
5
E
5
NNW
10
NW
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		crossglasscrosscross-
off		offoffcross-
off		cross-
off		cross-
on		onon
High Tide
/ height (m)
7:22PM
3.09
7:31AM
3.53
7:52PM
3.36
8:02AM
3.82
8:23PM
3.61
8:35AM
4.06
Low Tide
/ height (m)
2:02AM
0.57
2:29PM
0.24
2:38AM
0.31
3:04PM
-0.01
3:14AM
0.12
3:40PM
-0.16
Tuesday
17
Wednesday
18
Thursday
19
Sunrise----6:28-------6:26-------6:24---
Sunset-------6:24-------6:25-------6:28
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C9999910101011111010111415151514131111111212
Feels °C (?)221-2-1024677791214121312108991010
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 Porth Dinllaen 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 Porth Dinllaen at:
surf-forecast.com

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