Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

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

information circle48hr Weather and Surf, issued 5 am Saturday 07 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 9AM is: 1.2m 12s primary swell from a South-southwest direction and 0.3m 17s secondary swell from a Southwest direction (forecast issued at 05:00am February 07). An open ocean swell of 0.2m 5s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (GMT) & DateWave HeightWave Period
Morning (07 Feb)4ft (1.2m)12s
Afternoon (07 Feb)3.5ft (1.1m)11s
Evening (07 Feb)3ft (0.9m)10s

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
Saturday
07
Sunday
08
Monday
09
Tue
10
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
2
2
2
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
SW
1.2
SW
1.2
SSW
1.1
SW
1.1
SW
0.9
SSW
0.9
SSW
0.9
SW
0.9
SW
0.8
SSW
0.7
SW
1.3
SSW
0.7
SW
0.6
SSW
0.6
SSW
1.2
S
1.2
S
1.2
S
1
SSW
1.4
S
1.4
SSW
1.6
SSW
1.9
SSW
1.7
SSW
Period(s) (?)13131212111010101010101010109566668899
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5254863843092681891891511421229628994615674869462134213331605495
Wind
(km/h)
10
E
10
E
10
ENE
25
ENE
15
ENE
5
ESE
10
SW
20
WSW
15
S
25
SSE
30
SSE
35
S
30
SSE
30
SSE
25
SSE
35
SSE
30
SSE
25
SSE
25
SE
30
ESE
35
SE
30
SE
25
SE
20
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		offcross-
off		cross-
off		glassononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		crosscross-
off		cross-
off		crosscrosscrosscross
High Tide
/ height (m)
1:26AM
5.07
1:40PM
5.24
2:03AM
4.84
2:18PM
4.92
2:43AM
4.59
3:02PM
4.58
Low Tide
/ height (m)
7:27AM
1.29
7:58PM
1.35
8:05AM
1.61
8:38PM
1.72
8:49AM
1.95
9:25PM
2.08
Saturday
07
Sunday
08
Monday
09
Tue
10
Sunrise--7:52-------7:50-------7:48-----
Sunset----5:12-------5:14-------5:15---
clear
clear
part cloud
light rain
rain showers
light rain
rain showers
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
Rain (mm)
---1111------------4411-
Temp. °C877788888889988999988999
Feels °C (?)544247535212322223410245
  • 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

Latest Updates

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal
travel
Surf Forecast

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal

Surf road trips just got even better. Surf-Forecast users can now save up to 20% on SIXT rental cars worldwide during the promotional period until March 31, 2026. Whether you’re planning a legendary California road trip, chasing waves along Europe’s coasts, or exploring remote surf destinations, this exclusive SIXT offer helps you travel smarter and cheaper. And if you want some inspiration on where to go, check out our article Five Iconic Surf Road Trips. Click and get your SIXT discount

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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 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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest