Porth Dinllaen surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 5 pm Sunday 15 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
8.7° C
(Which is slightly warmer than usual)

How big are the waves at Porth Dinllaen today?

The current surf forecast for Porth Dinllaen at 12AM is: 2.1m 7s primary swell from a West direction (forecast issued at 05:00pm March 15). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (16 Mar)--
Afternoon (16 Mar)5.5ft (1.7m)6s
Evening (16 Mar)7ft (2.2m)6s

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


Updates in  hr  min  s Forecast update imminent
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.7
WSW
1.6
WSW
2.2
W
2.1
W
1.9
WSW
1.9
WSW
1.8
WSW
1.8
SW
2.1
SW
2.3
SW
2.2
SW
2.2
SW
2.1
SW
2.1
SW
2.2
SW
2.1
SW
1.9
SW
1.8
SW
1.5
SW
1.3
SW
1.1
SW
0.8
SW
0.7
SW
0.3
WSW
Period(s) (?)6667766677877788888888816
Wave
Graph
(?)Metric surfscale
Energy kJ (?)200154377401322280255253422552531516492492535560463398299196135845953
Wind
(km/h)
35
WNW
40
W
45
W
40
W
40
WSW
40
WSW
40
WSW
35
SSW
45
SSW
40
SSW
40
SSW
35
S
40
S
50
SSW
45
S
45
S
40
S
30
S
20
SSE
20
SSE
15
SE
10
ESE
10
E
5
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
off
High Tide
/ height (m)
6:51PM
2.83
7:01AM
3.21
7:22PM
3.09
7:31AM
3.53
7:52PM
3.36
8:02AM
3.82
Low Tide
/ height (m)
1:15PM
0.91
1:25AM
0.87
1:53PM
0.56
2:02AM
0.57
2:29PM
0.24
2:38AM
0.31
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise------6:31-------6:28-------6:26-
Sunset-6:21-------6:22-------6:24------
light rain
part cloud
rain showers
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
Rain (mm)
1-1----12---------------
Temp. °C886567889999999101111111010111315
Feels °C (?)0-1-5-5-3-2-1101121-2-113575781013
  • 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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