Porth Dinllaen surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 11 pm Saturday 10 Jan 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
8.8° C
(Which is normal for this time of year)


How big are the waves at Porth Dinllaen today?

The current surf forecast for Porth Dinllaen at 4AM is: 2.1m 6s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a West direction (forecast issued at 11:00pm January 10). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (11 Jan)8ft (2.5m)8s
Afternoon (11 Jan)7ft (2.2m)8s
Evening (11 Jan)10ft (3.0m)10s

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

Updates in  hr  min  s Forecast update imminent
Sunday
11
Monday
12
Tuesday
13
9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM
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
Wave Height (m) & direction (?)
0.4
SW
0.3
SW
2
SSW
2.2
SSW
2.5
SSW
2.5
SSW
2.2
SSW
2.5
SSW
3
SW
3
SW
3
SW
2.5
SW
2.3
SW
2.1
SW
2.1
SW
2.2
SW
2
SW
1.8
SW
1.6
SW
1.3
SW
1.1
SW
0.7
SW
1
SW
0.9
SW
Period(s) (?)996788881010101011117711111111111177
Wave
Graph
(?)Metric surfscale
Energy kJ (?)20122905287598176519791801169314781210115410353984669357436294292981219175
Wind
(km/h)
35
SSE
50
SSE
55
SSE
55
SSE
60
S
55
S
55
S
60
S
55
SW
55
SW
50
SW
40
SSW
40
SSW
40
SSW
40
SW
45
SW
35
SW
35
SSW
35
SSW
25
W
20
NNW
25
NW
30
WNW
35
WNW
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
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
on
onononcross-
on
High Tide
/ height (m)
2:03AM
2.70
2:26PM
2.89
3:11AM
2.61
3:38PM
2.71
4:24AM
2.61
4:51PM
2.67
Low Tide
/ height (m)
8:32PM
0.91
8:40AM
1.19
9:25PM
1.14
9:45AM
1.35
10:33PM
1.28
11:10AM
1.38
Sunday
11
Monday
12
Tuesday
13
Sunrise----8:26-------8:26-------8:25---
Sunset------4:24-------4:25-------4:28-
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
light rain
cloud
rain showers
rain showers
rain showers
light rain
light rain
light rain
light rain
light rain
clear
part cloud
Rain (mm)
-11111132---1-11111232--
Temp. °C66688101111111010101010101010101087777
Feels °C (?)-2-5-6-4-5-100-1-2012221333321-1-2
  • 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

Latest Updates

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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 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.


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