Trefor surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 6 pm Saturday 11 Apr 2026 BST
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
9.5° C
(Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Trefor today?

The current surf forecast for Trefor at 3AM is: 3.0m 11s primary swell from a Southwest direction (forecast issued at 06:00pm April 11). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (12 Apr)7ft (2.2m)10s
Afternoon (12 Apr)5ft (1.5m)9s
Evening (12 Apr)4ft (1.2m)9s

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


Updates in  hr  min  s Forecast update imminent
Saturday
11
Sunday
12
Monday
13
Tuesday
14
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
3
SW
3.5
SW
3
SW
3
WSW
2.5
WSW
2.4
WSW
2.1
WSW
1.8
WSW
1.5
WSW
1.3
WSW
1.1
SW
0.9
WSW
0.9
SW
0.5
SW
0.4
SW
0.4
SW
0.4
SW
0.6
SW
0.5
SW
0.5
SW
0.4
SW
0.3
SW
0.5
SW
0.4
SW
Period(s) (?)910101011101069999888877777666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)150819152040208616611093798246378258189132107341816143324231171910
Wind
(km/h)
50
SSW
60
SSW
45
SSW
40
SW
35
SW
35
SW
35
WSW
30
WSW
25
SW
20
SSW
15
SW
15
S
20
SSE
20
SSE
25
SSE
20
S
15
SW
10
S
10
SSE
10
SSE
15
SSE
10
SE
15
SE
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
offoffoffcross-
off
cross-
off
cross-
off
offoffoffcross-
off
cross-
off
off
High Tide
/ height (m)
5:20PM
2.31
Low Tide
/ height (m)
11:40PM
1.43
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Sunrise-----6:26-------6:24-------6:22--
Sunset-8:08-------8:10-------8:12------
thunderstorm
light rain
light rain
rain showers
light rain
rain showers
clear
clear
rain showers
part cloud
part cloud
part cloud
light rain
cloud
cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
cloud
Rain (mm)
112111--1---1--1--------
Temp. °C8788888899876689997776912
Feels °C (?)-3-6-2-100-103433102356343257
  • 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

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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