Trefor surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 5 am Monday 23 Mar 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Trefor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trefor sea temperature is
9.4° C
(Which is 1.6°C warmer than normal for this time of year)

How big are the waves at Trefor today?

The current surf forecast for Trefor at 12PM is: 0.3m 9s primary swell from a Southwest direction (forecast issued at 05:00am March 23). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (23 Mar)1ft (0.3m)10s
Afternoon (23 Mar)1.5ft (0.4m)9s
Evening (23 Mar)--

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


Updates in  hr  min  s Forecast update imminent
Monday
23
Tuesday
24
Wednesday
25
Thu
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
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
SW
0.2
WSW
0.3
SW
0.3
SW
0.4
SSW
0.7
SSW
1.1
SW
1.5
SW
1.6
SW
1.8
SW
2
SW
2.3
SW
2.4
SW
1.8
SW
2.2
WSW
2.2
W
3
WNW
2.5
WNW
2.3
WNW
2.2
WNW
1.7
WNW
1.8
NW
1.6
NW
1.4
NW
Period(s) (?)101010994466677887777776667
Wave
Graph
(?)Metric surfscale
Energy kJ (?)410151432000193244347537614368487414823687565446238263203173
Wind
(km/h)
10
NNE
10
ENE
5
SSE
10
S
20
S
25
S
25
S
30
SSW
30
SSW
30
SSW
35
SSW
40
SSW
45
SW
30
WSW
45
WNW
45
WNW
55
NW
50
WNW
55
NW
45
NW
45
NW
40
NW
35
NW
30
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crossglasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
on
High Tide
/ height (m)
11:11AM
3.83
11:32PM
3.60
11:59AM
3.48
12:22AM
3.31
12:57PM
3.07
Low Tide
/ height (m)
5:53AM
0.26
6:20PM
0.46
6:42AM
0.52
7:12PM
0.80
7:44AM
0.80
8:18PM
1.11
Monday
23
Tuesday
24
Wednesday
25
Thu
26
Sunrise--6:13-------6:11-------6:09-----
Sunset-----6:35-------6:37-------6:38--
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
light rain
mod rain
rain showers
rain showers
cloud
light rain
light rain
rain showers
light rain
light rain
rain showers
part cloud
clear
Rain (mm)
-----------2632-211111--
Temp. °C77899989101010101097654466666
Feels °C (?)34654423443212-3-5-8-8-9-5-5-4-3-2
  • 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

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 Trefor 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.


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