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Surf Forecasts:

Trefor surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 5 pm Monday 16 Mar 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
8.5° C
 (Which is slightly warmer than usual)

How big are the waves at Trefor today?

The current surf forecast for Trefor at 12AM is: 2.0m 7s primary swell from a Southwest direction and 0.1m 16s secondary swell from a Southwest direction (forecast issued at 05:00pm March 16). The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (17 Mar)7ft (2.2m)8s
Afternoon (17 Mar)6ft (1.9m)8s
Evening (17 Mar)5ft (1.6m)8s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
2
1
1
1
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.7
SW
2
SW
2
SW
2
SW
1.9
SW
2.1
SW
2.2
SW
2.1
SW
1.9
SW
1.8
SW
1.6
SW
1.3
SW
1
SW
0.8
SW
0.4
SW
0.3
WSW
0.3
WSW
0.5
SW
0.2
WSW
0.4
SW
0.4
SW
0.3
SW
0.3
SW
0.1
W
Period(s) (?)67777788888888181716715777716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)03664104003444205355034523983062191238878545025212013885
Wind
(km/h)
30
SSW
30
SSW
30
S
30
S
35
S
45
S
45
S
40
S
35
S
30
S
20
S
15
S
10
SE
10
ESE
5
E
0
E
0
SW
10
NE
10
E
10
ESE
10
SE
5
E
5
ENE
5
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		cross-
off		glassglasscross-
on		cross-
off		cross-
off		offcross-
off		glassglass
High Tide
/ height (m)
7:23PM
3.08
7:33AM
3.52
7:53PM
3.35
8:04AM
3.81
8:25PM
3.60
8:37AM
4.04
Low Tide
/ height (m)
1:55PM
0.55
2:03AM
0.56
2:30PM
0.23
2:39AM
0.30
3:06PM
-0.03
3:15AM
0.11
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Sunrise------6:28-------6:26-------6:22-
Sunset-6:22-------6:23-------6:25------
light rain
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
Rain (mm)
3-----------------------
Temp. °C9999999101110101091012151616151312111112
Feels °C (?)33332-10244566810141614131198910
  • 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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