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Surf Forecasts:

Trefor surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 11 am Tuesday 13 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
7.8° C
 (Which is slightly cooler than normal)

How big are the waves at Trefor today?

The current surf forecast for Trefor at 4PM is: 0.8m 10s primary swell from a Southwest direction and 0.7m 4s secondary swell from a Northwest direction (forecast issued at 11:00am January 13). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (13 Jan)4.5ft (1.4m)11s
Afternoon (13 Jan)3ft (0.9m)11s
Evening (13 Jan)2ft (0.6m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM
Rating
(10 max)
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
SW
1.1
SW
0.9
SW
0.8
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.7
SW
1
SW
0.1
SW
0.1
W
0.2
WSW
2
SSW
1.6
SW
1.4
SW
1.2
SW
1.1
SW
0.9
SW
0.8
SW
0.7
SW
0.6
SW
0.5
SW
0.3
WSW
Period(s) (?)11111110101010101010141410788888888816
Wave
Graph
(?)Metric surfscale
Energy kJ (?)42325416312780796161961927493743002261691291098064533251
Wind
(km/h)
25
WSW
20
NNW
20
NW
25
NW
15
NW
15
WNW
10
WSW
15
SSW
20
S
30
S
30
S
40
SSE
35
S
35
S
20
SW
20
SW
15
SW
15
SSW
5
SSE
5
ESE
5
SE
10
S
15
S
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossoncross-
on		oncross-
on		cross-
on		crosscross-
off		cross-
off		offcross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		glasscross-
off		glasscross-
off		offoff
High Tide
/ height (m)
4:53PM
2.66
5:30AM
2.70
5:56PM
2.73
6:24AM
2.86
6:47PM
2.85
Low Tide
/ height (m)
11:12AM
1.37
11:52PM
1.27
12:29PM
1.26
12:55AM
1.17
1:25PM
1.07
1:42AM
1.00
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Sunrise8:25-------8:23-------8:22-------
Sunset--4:27-------4:28-------4:30-----
light rain
rain showers
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
light rain
rain showers
clear
light rain
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
Rain (mm)
31----------22-1--------
Temp. °C978766666665588778766666
Feels °C (?)323111210-1-2-4-303234534321
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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