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Surf Forecasts:

Porth Dinllaen surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 5 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 11PM is: 0.4m 9s primary swell from a Southwest direction (forecast issued at 05:00pm January 10). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (10 Jan)--
Afternoon (10 Jan)1.5ft (0.5m)8s
Evening (10 Jan)1.5ft (0.4m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
10
Sunday
11
Monday
12
Tuesday
13
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 (?)
0.5
SW
0.5
SW
0.4
SW
0.4
SW
0.1
W
2.2
SSW
2.5
SSW
2.4
SSW
2.3
SSW
2.5
SSW
3
SW
3
SW
3
SW
2.5
SW
2.3
SW
2.2
SW
2.1
SW
2.1
SW
1.9
SW
1.6
SW
1.4
SW
1.3
SW
1.1
SW
0.9
SW
Period(s) (?)899913788881010101011111111111111111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)30402020351375975968710181838172915741260113211211072990860617466377263194
Wind
(km/h)
15
S
20
S
35
SSE
45
SSE
55
SSE
55
SSE
60
S
55
S
50
S
60
S
60
SW
60
SW
50
SW
45
SW
35
SSW
40
SSW
35
SSW
40
SW
30
SW
25
SSW
30
S
30
S
15
SSE
35
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		crosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		on
High Tide
/ height (m)
1:26PM
3.15
2:03AM
2.70
2:26PM
2.89
3:11AM
2.61
3:38PM
2.71
4:24AM
2.61
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
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Sunrise------8:26-------8:26-------8:25-
Sunset4:22-------4:24-------4:25-------
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
cloud
cloud
cloud
cloud
cloud
rain showers
rain showers
part cloud
rain showers
cloud
cloud
light rain
mod rain
Rain (mm)
---11111122-----11-1--19
Temp. °C67666889101111111010101010101099997
Feels °C (?)12-2-4-6-4-4-200-1-1012222433350
  • 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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