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Surf Forecasts:

Porth Dinllaen surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 11 pm Thursday 12 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
8.5° 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: 3.0m 9s primary swell from a West-southwest direction (forecast issued at 11:00pm March 12). The wind direction is predicted to be cross-shore.

Time (GMT) & DateWave HeightWave Period
Morning (13 Mar)10ft (3.0m)9s
Afternoon (13 Mar)7ft (2.1m)7s
Evening (13 Mar)4ft (1.2m)9s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Friday
13
Saturday
14
Sunday
15
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 (?)
2.5
WSW
2.5
WSW
3
WSW
3.5
WSW
3
WSW
2.5
WSW
2.1
WSW
1.6
WSW
1.2
SW
1.1
SW
0.9
SW
0.7
SW
1
W
1
W
0.9
WSW
0.5
SW
0.6
SW
0.6
SW
0.6
SW
1.1
SW
1.5
SW
1.4
SW
1.6
WSW
1.8
WSW
Period(s) (?)10108998799999554888746666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1369124994718671474824401389242186115794543343250464200127162222
Wind
(km/h)
45
WSW
45
WSW
55
WSW
60
WSW
55
WSW
45
WSW
40
WSW
25
W
30
NW
35
NW
30
NW
25
WNW
20
WNW
20
WNW
20
WSW
15
WSW
15
W
15
W
25
WSW
30
SSW
40
SSW
40
WSW
40
W
40
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		crosscrosscross-
on		crosscross-
on		cross-
on		ononononcross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		crosscross-
off		cross-
off		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
4:06AM
2.41
5:12PM
2.37
5:41AM
2.61
6:14PM
2.58
6:28AM
2.90
Low Tide
/ height (m)
9:51PM
1.62
11:06AM
1.51
11:40PM
1.48
12:27PM
1.25
12:42AM
1.19
1:15PM
0.91
Friday
13
Saturday
14
Sunday
15
Sunrise----6:37-------6:35-------6:33---
Sunset-------6:16-------6:19-------6:21
light rain
light rain
rain showers
part cloud
cloud
cloud
cloud
light rain
light rain
clear
part cloud
light rain
clear
part cloud
part cloud
light rain
light rain
cloud
cloud
cloud
light rain
cloud
part cloud
cloud
Rain (mm)
221----11--1---11---1---
Temp. °C775666557776777887778988
Feels °C (?)-3-3-8-8-6-5-5-10-1-1-112134210-10-1-2
  • 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 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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