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Surf Forecasts:

Porth Dinllaen surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 5 pm Tuesday 17 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 11PM is: 1.4m 8s primary swell from a Southwest direction (forecast issued at 05:00pm March 17). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (17 Mar)--
Afternoon (17 Mar)6.5ft (2.0m)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
Friday
20
3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 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
1.8
SW
1.6
SW
1.4
SW
1.1
SW
0.9
SW
0.8
SW
0.3
WSW
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
0.1
W
0.1
W
0.1
W
0.1
W
0.1
W
0.1
SW
Period(s) (?)888888817167157777167131313161578
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5074373142771451077154502521201278554335413
Wind
(km/h)
40
S
35
S
30
S
20
S
15
SSE
10
SE
5
E
10
NE
10
N
15
NNE
10
ENE
5
ESE
0
NNW
0
NE
5
S
5
SW
5
NW
10
N
5
E
5
SE
5
SE
5
ESE
5
ESE
0
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		crosscross-
on		crosscross-
off		glassglassglasscross-
off		glassoncross-
on		cross-
off		offoffoffoffglass
High Tide
/ height (m)
7:52PM
3.36
8:02AM
3.82
8:23PM
3.61
8:35AM
4.06
8:56PM
3.80
9:10AM
4.20
Low Tide
/ height (m)
2:29PM
0.24
2:38AM
0.31
3:04PM
-0.01
3:14AM
0.12
3:40PM
-0.16
3:50AM
0.01
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise------6:26-------6:24-------6:22-
Sunset-6:24-------6:25-------6:28------
cloud
cloud
cloud
part cloud
cloud
clear
cloud
part cloud
part cloud
clear
cloud
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C101010101010111315161515131211121213131211101010
Feels °C (?)23457791112131314121191091111109778
  • 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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