Porth Dinllaen surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 5 am Monday 12 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
8.6° 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 12PM is: 2.0m 11s primary swell from a Southwest direction (forecast issued at 05:00am January 12). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (12 Jan)7ft (2.1m)11s
Afternoon (12 Jan)6ft (1.9m)11s
Evening (12 Jan)7ft (2.1m)7s

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

Updates in  hr  min  s Forecast update imminent
Monday
12
Tuesday
13
Wednesday
14
Thu
15
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
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 (?)
3
SW
2.5
SW
2.1
SW
2
SW
1.9
SW
2.1
SW
2.1
SW
2
SW
1.8
SW
1.6
SW
1.3
SW
0.7
SW
0.8
SW
0.7
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.9
SW
0.1
SW
0.1
W
2.1
SSW
2.2
SSW
Period(s) (?)101011111177611116111110101010101010141478
Wave
Graph
(?)Metric surfscale
Energy kJ (?)14781129972969898386410326743617119117134108827961616316374373587
Wind
(km/h)
45
SW
40
SW
35
SSW
35
SSW
35
SSW
40
SW
35
SSW
35
SSW
30
SSW
30
SSW
30
W
25
NNW
25
NNW
25
NW
25
NW
20
WNW
20
WNW
15
WSW
20
SW
30
SSW
35
S
45
S
50
S
35
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
ononononcross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
3:11AM
2.61
3:38PM
2.71
4:24AM
2.61
4:51PM
2.67
5:28AM
2.71
5:54PM
2.74
Low Tide
/ height (m)
9:45AM
1.35
10:33PM
1.28
11:10AM
1.38
11:50PM
1.29
12:28PM
1.27
Monday
12
Tuesday
13
Wednesday
14
Thu
15
Sunrise--8:26-------8:25-------8:23-----
Sunset----4:25-------4:28-------4:29---
cloud
light rain
cloud
light rain
rain showers
rain showers
part cloud
cloud
cloud
light rain
light rain
rain showers
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
light rain
light rain
Rain (mm)
-1-111---131----------32
Temp. °C10101010101010109988877777788779
Feels °C (?)01333223331110012211-1-3-42
  • 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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