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Surf Forecasts:

Porth Dinllaen surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 11 pm Monday 19 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
8.1° 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 8AM is: 0.8m 5s primary swell from a Southwest direction and 0.1m 17s secondary swell from a Southwest direction (forecast issued at 11:00pm January 19). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (GMT) & DateWave HeightWave Period
Morning (20 Jan)3ft (0.9m)6s
Afternoon (20 Jan)6ft (1.9m)8s
Evening (20 Jan)3.5ft (1.0m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
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
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SW
0.2
WSW
0.8
SW
0.7
SW
0.9
SW
1
SW
1.9
SSW
1.2
SSW
1
SW
1.5
SSW
1.5
SW
1.3
SW
1.2
SW
0.9
SW
0.7
SW
0.7
SW
0.7
SW
0.9
SW
0.6
SW
0.5
WSW
0.7
WSW
0.6
WSW
0.6
WSW
0.5
WSW
Period(s) (?)616556788888898889981617161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)81263527469346117512927428425021012069717310758146243169162128
Wind
(km/h)
35
SSE
25
S
25
SSE
35
SE
55
SE
60
SE
40
SSE
25
SSE
35
SSE
45
S
40
SSE
35
SE
40
ESE
50
ESE
45
SE
50
SE
45
SE
30
SE
30
SE
35
SE
35
SE
30
SE
25
ESE
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		offoffoffoffcross-
off		cross-
off		offcross-
off		offoffoffoffoffoffoffoffoffoffoffoffoffcross-
off
High Tide
/ height (m)
9:11PM
3.33
9:27AM
3.75
9:44PM
3.38
10:00AM
3.84
10:18PM
3.41
10:34AM
3.87
Low Tide
/ height (m)
4:06AM
0.37
4:35PM
0.23
4:41AM
0.33
5:11PM
0.19
5:16AM
0.35
5:48PM
0.22
Tuesday
20
Wednesday
21
Thursday
22
Sunrise----8:18-------8:17-------8:15---
Sunset------4:38-------4:40-------4:43-
cloud
cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
part cloud
clear
cloud
cloud
cloud
light rain
light rain
light rain
light rain
part cloud
part cloud
rain showers
part cloud
light rain
rain showers
Rain (mm)
------453-----3411--1-11
Temp. °C8878898777776810101010999998
Feels °C (?)0210-4-4-11-1-3-2-1-3-31013221233
  • 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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