Trefor surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 11 pm Thursday 29 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
7.5° C
(Which is slightly cooler than normal)


How big are the waves at Trefor today?

The current surf forecast for Trefor at 3AM is: 0.7m 9s primary swell from a Southwest direction and 0.4m 12s secondary swell from a West-southwest direction (forecast issued at 11:00pm January 29). An open ocean swell of 1.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (30 Jan)3.5ft (1.1m)19s
Afternoon (30 Jan)6ft (1.9m)16s
Evening (30 Jan)4.5ft (1.4m)16s

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

Updates in  hr  min  s Forecast update imminent
Friday
30
Saturday
31
Sunday
01
9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM
Rating
(10 max)
0
0
0
0
2
4
3
3
3
1
0
0
2
2
2
2
2
1
1
1
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SW
0.7
SW
0.7
SW
0.8
SW
1.1
WSW
2
SW
1.9
SW
1.7
WSW
1.4
SW
1.2
SW
1.2
SW
1.1
SW
1.2
WSW
1.2
WSW
1.2
WSW
1.2
WSW
1.1
SW
0.9
WSW
0.9
SW
0.9
SW
0.8
SW
0.9
SW
0.9
WSW
0.7
SW
Period(s) (?)11991119171616161615161516161615141413111099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1687373155913229320131443103170269355861664971765750936232225714713714174
Wind
(km/h)
45
ESE
45
ESE
35
ESE
35
ESE
20
SE
20
SE
20
SE
10
ESE
10
ENE
5
ENE
15
NNE
10
NE
0
ENE
5
SW
5
S
10
SSE
10
SE
10
SSE
10
SSE
15
SW
15
WSW
20
NW
10
W
5
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
glasscross-
off
cross-
off
offcross-
off
offoffcross-
off
crossoncross-
on
off
High Tide
/ height (m)
6:02AM
3.17
6:36PM
3.20
7:01AM
3.47
7:32PM
3.38
7:52AM
3.77
Low Tide
/ height (m)
12:51AM
0.82
1:25PM
0.58
1:50AM
0.56
2:20PM
0.24
2:39AM
0.31
3:08PM
-0.04
Friday
30
Saturday
31
Sunday
01
Sunrise----8:04-------8:03-------8:00---
Sunset------4:57-------4:59-------5:00-
cloud
light rain
light rain
light rain
cloud
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
part cloud
clear
clear
cloud
cloud
cloud
cloud
light rain
rain showers
clear
part cloud
Rain (mm)
-413------11--------11--
Temp. °C656667877766678767888787
Feels °C (?)-5-5-3-202334423556424555254
  • 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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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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