Trefor surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 6 am Friday 10 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
9.6° C
(Which is 1.3°C warmer than normal for this time of year)

How big are the waves at Trefor today?

The current surf forecast for Trefor at 9AM is: 0.6m 5s primary swell from a West-southwest direction and 0.5m 5s secondary swell from a Northwest direction (forecast issued at 06:00am April 10). The wind direction is predicted to be offshore.

Time (BST) & DateWave HeightWave Period
Morning (10 Apr)2ft (0.6m)5s
Afternoon (10 Apr)0.5ft (0.1m)14s
Evening (10 Apr)6ft (1.9m)6s

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


Updates in  hr  min  s Forecast update imminent
Friday
10
Saturday
11
Sunday
12
Mon
13
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.1
W
0.7
SW
0.5
SW
0.3
SW
0.1
W
0.1
W
2
SSW
2.5
SSW
1.7
SW
1.5
SW
1.9
SW
2.5
SW
3
SW
3.5
SW
3.5
WSW
3.5
WSW
2.5
WSW
2.4
WSW
2.1
WSW
1.9
SW
1.7
SW
1.5
SW
1.1
SW
1.2
SW
Period(s) (?)55561414789968910111187766688
Wave
Graph
(?)Metric surfscale
Energy kJ (?)692913684339798440357252699140524372441246310316034152872120166182
Wind
(km/h)
20
W
5
WSW
15
S
30
SSE
35
SSE
40
SSE
50
SSE
45
SSE
10
WSW
25
WSW
35
SW
45
SSW
60
SSW
65
SSW
50
SW
45
SW
45
SW
40
WSW
35
WSW
40
SW
35
SSW
25
SSW
20
S
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crossoffoffoffoffoffoffcrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
2:13AM
2.60
3:01PM
2.31
3:58AM
2.48
5:20PM
2.31
Low Tide
/ height (m)
9:44AM
1.41
10:10PM
1.52
11:15AM
1.39
11:40PM
1.43
Friday
10
Saturday
11
Sunday
12
Mon
13
Sunrise-6:31-------6:28-------6:26------
Sunset-----8:07-------8:08-------8:10--
cloud
cloud
cloud
cloud
light rain
cloud
cloud
light rain
mod rain
light rain
clear
rain showers
rain showers
light rain
thunderstorm
light rain
light rain
clear
clear
clear
part cloud
light rain
rain showers
light rain
Rain (mm)
----1--362-111211----111
Temp. °C767878885567888877799877
Feels °C (?)2320-1-1-3-21-2-3-4-5-6-3-2-3-3-201223
  • 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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