Trearddur Bay (Holy Island) Surf Break

Lat Long: 53.28° N 4.62° W

Trearddur Bay (Holy Island) 48 hour detailed Surf Forecast

Issued: 6 am 23 Jul 2026 (local time)

Forecast update in  hr  min

Today's Trearddur Bay (Holy Island) sea temperature is
16.5° C
1.3° 

Trearddur Bay (Holy Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Short Range Forecast

Light rain (total 4mm), mostly falling on Sat morning. Very mild (max 16°C on Thu afternoon, min 13°C on Thu night). Winds increasing (light winds from the NNE on Thu night, fresh winds from the WNW by Sat night).

Thursday
23
Friday
24
Saturday
25
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
N
6
1
N
6
1.1
N
6
1.1
N
6
0.9
N
6
0.8
N
5
0.6
N
5
0.5
N
5
0.5
N
5
0.4
N
4
0.1
S
13
0.1
S
13
0.1
S
13
0.1
S
13
0.1
S
13
0.4
WSW
3
0.4
W
3
0.6
W
4
0.8
W
4
0.9
WSW
4
1
WSW
5
0.8
WSW
4
0.8
WSW
4
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
4
3
9
19
36
40
21
20
Wind (km/h)
25
N
20
N
25
N
25
N
20
N
20
N
15
NNE
15
NNE
10
NNE
5
NNE
10
W
15
W
15
SW
15
SW
20
SSW
20
WSW
20
W
25
WSW
25
SW
25
WSW
20
WSW
20
WSW
20
WSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-on
cross-on
on
on
on
cross-on
cross-on
on
on
on
on
on
cross-on
High Tide
5:49AM4.42m
6:33PM4.31m
7:10AM4.28m
7:50PM4.38m
8:27AM4.33m
8:53PM4.58m
Low Tide
12:17PM2.03m
00:48AM2.22m
1:29PM2.12m
2:05AM2.17m
2:34PM2.05m
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
cloud
cloud
cloud
light rain
light rain
light rain
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:20
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:28
9:27
9:25
 mm
1
1
1
Temp °C
14
14
14
15
16
16
15
14
14
13
14
14
16
16
16
16
16
15
14
15
15
16
16
Feels °C
11
11
11
11
12
13
13
12
13
12
13
12
14
13
13
13
13
10
10
12
12
14
14
  • 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
How to use the Wavefinder 

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