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Surf Forecasts:

Trefor surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 5 am Sunday 11 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
8.1° C
 (Which is slightly cooler than normal)

How big are the waves at Trefor today?

The current surf forecast for Trefor at 9AM is: 2.5m 8s primary swell from a South-southwest direction (forecast issued at 05:00am January 11). The wind direction is predicted to be offshore.

Time (GMT) & DateWave HeightWave Period
Morning (11 Jan)8ft (2.5m)8s
Afternoon (11 Jan)7ft (2.2m)8s
Evening (11 Jan)10ft (3.0m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
11
Monday
12
Tuesday
13
Wed
14
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
1
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2
SSW
2.3
SSW
2.5
SSW
2.4
SSW
2.2
SSW
3
SSW
3
SW
3
SW
3
SW
2.5
SW
2.3
SW
2.1
SW
2.1
SW
2
SW
1.8
SW
1.6
SW
1.6
SW
1.3
SW
1.2
SW
0.7
SW
1
SW
0.8
SW
1.7
NW
1.8
NW
Period(s) (?)67888810910101111117111111111111111167
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2905578088296671043159714641460118511329991017357792617629422332117216134205271
Wind
(km/h)
45
SSE
50
SSE
50
S
50
S
45
S
50
S
50
SSW
50
SSW
40
SSW
35
SSW
30
SSW
30
SSW
30
SSW
30
SSW
30
SSW
25
SSW
25
S
20
SSW
30
WNW
25
NW
25
NW
30
NW
30
WNW
30
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
2:05AM
2.68
2:28PM
2.87
3:13AM
2.59
3:40PM
2.70
4:26AM
2.60
4:53PM
2.66
Low Tide
/ height (m)
8:42AM
1.18
9:27PM
1.13
9:47AM
1.34
10:35PM
1.27
11:12AM
1.37
11:52PM
1.27
Sunday
11
Monday
12
Tuesday
13
Wed
14
Sunrise--8:26-------8:26-------8:25-----
Sunset----4:23-------4:24-------4:27---
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
light rain
light rain
light rain
light rain
light rain
clear
clear
clear
clear
Rain (mm)
11211211111112111132----
Temp. °C7789101111101010101010109999777766
Feels °C (?)-3-4-3-1111013443433341110-2-1
  • 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.

View detailed surf forecast for Trefor at:
surf-forecast.com

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