Trefor surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 11 pm Wednesday 28 Jan 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
7.7° C
(Which is normal for this time of year)


How big are the waves at Trefor today?

The current surf forecast for Trefor at 4AM is: 1.2m 11s primary swell from a Southwest direction and 0.4m 17s secondary swell from a West-southwest direction (forecast issued at 11:00pm January 28). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (29 Jan)4.5ft (1.3m)10s
Afternoon (29 Jan)3.5ft (1.1m)9s
Evening (29 Jan)2.5ft (0.8m)9s

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

Updates in  hr  min  s Forecast update imminent
Thursday
29
Friday
30
Saturday
31
9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM
Rating
(10 max)
1
1
1
1
0
0
0
0
0
0
0
0
2
2
2
3
1
1
1
1
2
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SW
1.1
SW
1.1
SW
1.3
SW
1.3
SW
1.1
SW
1.1
SW
1
SW
0.8
SW
0.8
SW
0.7
SW
0.9
SW
1.1
WSW
1.8
SW
1.7
SW
1.6
SW
1.3
WSW
1.2
WSW
1.2
WSW
1.2
WSW
1.2
WSW
1.1
SW
1.2
WSW
1.2
WSW
Period(s) (?)11111110101099912911191817161615151514141716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2682982933443182401881598816179213904195216971318853632600584530418771666
Wind
(km/h)
15
ESE
15
SE
15
ESE
20
ESE
25
SE
40
SE
45
SE
45
ESE
45
ESE
45
SE
30
ESE
25
SE
30
SE
30
SSE
20
SE
15
E
15
ENE
15
ENE
10
NNE
5
NE
5
S
10
SW
10
SSW
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
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
crosscrosscross-
on
cross-
on
glasscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
4:52AM
2.94
5:29PM
3.03
6:02AM
3.17
6:36PM
3.20
7:01AM
3.47
Low Tide
/ height (m)
11:37PM
1.00
12:17PM
0.91
12:51AM
0.82
1:25PM
0.58
1:50AM
0.56
2:20PM
0.24
Thursday
29
Friday
30
Saturday
31
Sunrise----8:06-------8:04-------8:03---
Sunset------4:54-------4:57-------4:59-
part cloud
cloud
part cloud
cloud
clear
clear
cloud
cloud
cloud
light rain
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
mod rain
light rain
light rain
cloud
cloud
cloud
part cloud
Rain (mm)
---------3------3751----
Temp. °C666557776666788777777788
Feels °C (?)211-1-2-2-3-3-5-4-20012334455454
  • 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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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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