Trefor surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 6 am Monday 13 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 1.2°C warmer than normal for this time of year)

How big are the waves at Trefor today?

The current surf forecast for Trefor at 11AM is: 0.5m 8s primary swell from a Southwest direction (forecast issued at 06:00am April 13). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (BST) & DateWave HeightWave Period
Morning (13 Apr)1.5ft (0.5m)8s
Afternoon (13 Apr)1.5ft (0.4m)7s
Evening (13 Apr)2ft (0.6m)7s

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


Updates in  hr  min  s Forecast update imminent
Monday
13
Tuesday
14
Wednesday
15
Thu
16
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SW
0.8
SW
0.5
SW
0.4
SW
0.4
SW
0.4
SW
0.6
SW
0.6
SW
0.3
SW
0.6
SSW
0.7
SSW
0.7
SW
0.9
SW
0.9
SSW
0.8
SW
0.1
W
1.5
SSW
1.5
SSW
1.5
SSW
1.6
SSW
1.4
SW
1.8
SW
2.1
SW
2.1
SW
Period(s) (?)8888777774556771767777677
Wave
Graph
(?)Metric surfscale
Energy kJ (?)777328201413443071221305878526175192204229211231397452
Wind
(km/h)
10
SE
15
SSE
20
SSE
20
S
20
SSW
15
SSW
10
SSE
15
SSE
15
SE
15
SE
20
SE
25
SE
25
SSE
25
SSE
30
SSE
35
SSE
25
SSE
30
S
30
S
35
S
35
SSW
35
SSW
35
SSW
30
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffcross-
off
cross-
off
offoffoffcross-
off
cross-
off
offoffoffoffoffoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
Low Tide
/ height (m)
Monday
13
Tuesday
14
Wednesday
15
Thu
16
Sunrise-6:24-------6:22-------6:20------
Sunset-----8:12-------8:14-------8:15--
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
cloud
part cloud
cloud
cloud
light rain
cloud
cloud
light rain
light rain
light rain
cloud
light rain
rain showers
clear
part cloud
part cloud
Rain (mm)
------------1--221-34---
Temp. °C76899977679991111111111111111101010
Feels °C (?)323345432243465565554334
  • 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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