Porth Dinllaen surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 5 am Friday 23 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
7.7° C
(Which is slightly cooler than normal)


How big are the waves at Porth Dinllaen today?

The current surf forecast for Porth Dinllaen at 11AM is: 0.5m 9s primary swell from a Southwest direction and 0.2m 19s secondary swell from a West-southwest direction (forecast issued at 05:00am January 23). 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 (23 Jan)1.5ft (0.5m)9s
Afternoon (23 Jan)2ft (0.6m)17s
Evening (23 Jan)3.5ft (1.1m)16s

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

Updates in  hr  min  s Forecast update imminent
Friday
23
Saturday
24
Sunday
25
Mon
26
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
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.6
SW
0.6
SW
0.5
SW
0.2
WSW
0.6
WSW
0.8
WSW
1.1
SW
1.1
SW
0.7
WSW
0.6
WSW
1
SW
1
SW
0.5
WSW
0.5
WSW
0.6
WSW
0.5
WSW
0.6
WSW
0.4
SW
1.2
SSW
0.8
SW
0.4
WSW
0.7
WSW
0.8
WSW
0.7
SW
Period(s) (?)9991917161616161511111818161514118818171616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)536841372003476025802201542332281881781791351383117178121258330248
Wind
(km/h)
25
SE
30
ESE
40
ESE
45
ESE
40
ESE
45
ESE
50
ESE
55
ESE
50
SE
45
ESE
50
ESE
50
ESE
50
ESE
45
ESE
60
ESE
50
ESE
35
SE
25
ESE
25
ESE
20
E
20
ENE
15
ENE
15
ENE
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
cross-
off
cross-
off
offcross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
11:11AM
3.83
11:34PM
3.33
11:52AM
3.71
12:18AM
3.22
12:38PM
3.52
Low Tide
/ height (m)
6:26PM
0.31
6:30AM
0.59
7:07PM
0.47
7:13AM
0.77
7:53PM
0.67
Friday
23
Saturday
24
Sunday
25
Mon
26
Sunrise--8:15-------8:12-------8:11-----
Sunset----4:45-------4:45-------4:47---
part cloud
cloud
cloud
cloud
clear
clear
cloud
cloud
part cloud
cloud
part cloud
clear
cloud
part cloud
cloud
light rain
light rain
clear
clear
clear
cloud
part cloud
part cloud
clear
Rain (mm)
---------------11-------
Temp. °C777787777777776777677777
Feels °C (?)1-1-2-3-1-4-5-5-4-4-4-4-4-4-7-4-11-112333
  • 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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