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Surf Forecasts:

Trearddur Bay (Holy Island) surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 11 am Wednesday 11 Feb 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Trearddur Bay (Holy Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trearddur Bay (Holy Island) sea temperature is
8.2° C
 (Which is normal for this time of year)

How big are the waves at Trearddur Bay (Holy Island) today?

The current surf forecast for Trearddur Bay (Holy Island) at 7PM is: 1.8m 14s primary swell from a Southwest direction (forecast issued at 11:00am February 11). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (11 Feb)2.5ft (0.8m)9s
Afternoon (11 Feb)6ft (1.8m)14s
Evening (11 Feb)5ft (1.6m)14s

Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
11
Thursday
12
Friday
13
Saturday
14
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
2
3
2
2
2
0
2
2
2
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
SSW
1.8
SW
1.8
SW
1.9
SW
1.6
SW
1.4
SW
1.2
SW
0.9
SSW
0.6
SW
0.7
SW
1.4
SW
1.5
SW
1.3
SW
1.3
SW
1.2
SW
0.8
SW
0.7
SW
0.9
SW
0.8
SW
0.6
SW
0.5
SW
0.4
SSW
0.4
SW
0.4
SW
Period(s) (?)91414141413139171716151514141313121010101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)110129012361292961711517154183287102710287677265262081632051177645362322
Wind
(km/h)
10
S
20
SSW
25
SSW
20
S
15
SE
10
E
25
NE
25
NE
25
NE
25
ENE
20
ENE
20
ENE
25
ENE
25
E
30
ENE
35
ENE
45
ENE
45
NE
40
NE
35
NE
25
NE
20
NNE
15
N
20
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		ononcross-
on		crosscross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffoffcross-
off		cross-
off
High Tide
/ height (m)
5:34PM
4.09
6:24AM
4.22
7:17PM
4.19
7:42AM
4.47
8:19PM
4.44
Low Tide
/ height (m)
11:09AM
2.49
12:03AM
2.47
12:50PM
2.42
1:24AM
2.32
1:59PM
2.13
2:18AM
2.05
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunrise7:45-------7:43-------7:41-------
Sunset--5:20-------5:22-------5:23-----
cloud
light rain
cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
clear
clear
clear
clear
part cloud
Rain (mm)
-1--132--------1221-----
Temp. °C999998766655555433444445
Feels °C (?)6445661000-10-1-1-2-4-7-7-6-5-3-2-1-2
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Trearddur Bay (Holy Island) 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 Trearddur Bay (Holy Island) at:
surf-forecast.com

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