Porth Dinllaen surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 5 pm Monday 23 Mar 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
9.4° C
(Which is 1.6°C warmer than normal for this time of year)

Time (GMT) & DateWave HeightWave Period
Morning (23 Mar)--
Afternoon (23 Mar)1.5ft (0.4m)9s
Evening (23 Mar)--

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


Updates in  hr  min  s Forecast update imminent
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
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
SSW
0.8
SSW
1.2
SW
1.6
SW
1.6
SW
1.5
SW
1.8
SW
2.2
SW
2.5
SW
2.4
WSW
2.4
WSW
2.5
W
2.1
NW
2.5
WNW
2.4
WNW
2.2
WNW
1.9
WNW
1.7
WNW
1.6
NW
1.4
NW
1.1
NW
0.8
NW
0.6
NW
0.4
WNW
Period(s) (?)945666678887777766676544
Wave
Graph
(?)Metric surfscale
Energy kJ (?)32001491711612634758227507517873936866044713002311771738531155
Wind
(km/h)
25
SSW
30
S
35
SSW
35
SSW
35
SSW
35
SW
40
SSW
45
SSW
55
SSW
55
WSW
55
W
55
W
55
NW
65
NW
50
WNW
50
NW
50
NW
45
NW
45
NW
40
NNW
35
NNW
30
NW
25
NW
20
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
onononononononcross-
on
onononcross-
on
High Tide
/ height (m)
11:31PM
3.61
11:58AM
3.49
12:20AM
3.32
12:55PM
3.08
1:23AM
3.02
Low Tide
/ height (m)
6:18PM
0.47
6:41AM
0.53
7:10PM
0.81
7:42AM
0.81
8:16PM
1.12
9:03AM
1.01
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Sunrise------6:11-------6:09-------6:07-
Sunset-6:35-------6:37-------6:38------
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
rain showers
light rain
part cloud
light rain
light rain
part cloud
light rain
light rain
light rain
light rain
rain showers
clear
part cloud
part cloud
clear
Rain (mm)
---------11-11-11111----
Temp. °C999910101010101087555667767666
Feels °C (?)43223421-1-1-5-5-7-10-7-6-6-4-4-3-2-200
  • 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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