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Surf Forecasts:

Trefor surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 11 am Wednesday 14 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: 0.1m 14s primary swell from a Southwest direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 11:00am January 14). An open ocean swell of 1.5m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (GMT) & DateWave HeightWave Period
Morning (14 Jan)3ft (0.9m)10s
Afternoon (14 Jan)0.5ft (0.1m)14s
Evening (14 Jan)6ft (1.9m)6s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
14
Thursday
15
Friday
16
Saturday
17
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
0
0
1
1
1
1
1
0
0
0
0
0
0
0
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SW
0.1
SW
0.1
SW
0.1
W
1.9
SSW
1.8
SW
1.6
SW
1.5
SW
1.3
SW
1.1
SW
0.9
SW
0.8
SW
0.3
WSW
0.8
SW
0.5
SW
0.4
SW
0.4
SW
0.4
SW
1.1
SW
0.4
SW
0.9
SW
1
SW
1.1
SW
1
SW
Period(s) (?)101414146788888818888886178888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)163874292365305262191159115846080332625257273104129145129
Wind
(km/h)
20
SSW
30
S
30
S
35
S
40
SSE
25
S
25
SW
20
SW
20
SW
10
SSW
0
WNW
5
NNW
10
SSW
15
S
20
S
25
SSE
25
SSE
30
SSE
30
SSE
25
SE
25
SE
25
SE
20
SE
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glassglasscross-
off		cross-
off		offoffoffoffoffoffoffoffcross-
off		cross-
off
High Tide
/ height (m)
5:56PM
2.73
6:24AM
2.86
6:47PM
2.85
7:09AM
3.05
7:30PM
3.00
Low Tide
/ height (m)
12:29PM
1.26
12:55AM
1.17
1:25PM
1.07
1:42AM
1.00
2:09PM
0.86
2:22AM
0.80
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunrise8:23-------8:22-------8:22-------
Sunset--4:28-------4:30-------4:31-----
cloud
cloud
cloud
light rain
light rain
rain showers
rain showers
rain showers
cloud
cloud
cloud
cloud
clear
part cloud
light rain
light rain
rain showers
light rain
rain showers
light rain
cloud
part cloud
part cloud
part cloud
Rain (mm)
---12211------121111----
Temp. °C767668877877766678888766
Feels °C (?)1-1-1-2-32222555421011122101
  • 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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