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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 11 am Thursday 05 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
8.1° 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 8PM is: 0.4m 18s primary swell from a Southwest direction and 0.5m 9s secondary swell from a Southwest direction, 0.4m 14s secondary swell from a Southwest direction (forecast issued at 11:00am February 05). An open ocean swell of 1.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (05 Feb)1ft (0.3m)15s
Afternoon (05 Feb)1.5ft (0.4m)14s
Evening (05 Feb)1.5ft (0.4m)18s

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
Thursday
05
Friday
06
Saturday
07
Sunday
08
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
0
0
0
0
0
0
0
0
0
2
1
2
1
2
1
0
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.3
SW
0.3
SW
0.3
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.6
SW
0.7
SW
1.1
SW
1.2
SW
1.2
SW
1.2
SSW
1.1
SW
0.9
SSW
0.9
SSW
0.9
SW
0.9
SW
0.8
SSW
Period(s) (?)152120191818171710101010141414131212121111101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)346971968410889841021009898116203492509456384309204200157145125
Wind
(km/h)
50
E
50
E
45
E
40
E
40
E
40
ENE
40
ENE
40
ENE
35
E
30
E
30
E
30
E
20
E
10
ESE
15
ESE
15
E
15
E
15
E
15
E
15
ENE
10
E
10
SSW
20
WSW
15
SW
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		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		ononon
High Tide
/ height (m)
12:29PM
5.77
12:51AM
5.28
1:05PM
5.53
1:26AM
5.07
1:40PM
5.24
2:03AM
4.84
Low Tide
/ height (m)
6:13AM
0.84
6:44PM
0.72
6:50AM
1.03
7:21PM
1.01
7:27AM
1.29
7:58PM
1.35
Thursday
05
Friday
06
Saturday
07
Sunday
08
Sunrise7:56-------7:54-------7:52-------
Sunset--5:07-------5:09-------5:12-----
cloud
light rain
light rain
rain showers
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
cloud
part cloud
cloud
rain showers
light rain
light rain
rain showers
rain showers
Rain (mm)
-131--3321111------12111
Temp. °C656665567777788989998999
Feels °C (?)-5-6-4-4-3-4-4-3-1000254545555656
  • 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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