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 pm 12 Jul 2026 (local time)

Forecast update in  hr  min

Today's Trearddur Bay (Holy Island) sea temperature is
15.9° C
1.2° 

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


Time (BST) & DateWave HeightWave Period
Morning (13 Jul)--
Afternoon (13 Jul)0.5ft (0.1m)19s
Evening (13 Jul)0.5ft (0.1m)15s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Sun afternoon, min 15°C on Sun night). Mainly fresh winds.

Sun
12
Monday
13
Tuesday
14
Wed
15
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
1 AM
4 AM
7 AM
10 AM
1 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
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)
0.8
NE
4
1
NE
4
0.8
NE
5
0.7
NE
5
0.7
NE
5
0.8
NE
4
0.1
SE
4
0.8
NE
4
0.1
S
19
0.1
S
15
0.1
S
15
0.1
S
15
0.1
S
15
0.8
NE
4
0.1
S
18
0.1
SW
18
0.1
SW
18
0.1
SW
18
0.1
S
18
0.1
SW
14
0.1
SW
14
0.1
S
13
0.1
SW
16
0.1
SW
16
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
1
0
7
4
4
4
4
0
6
12
12
12
6
7
7
3
10
10
Wind (km/h)
30
NE
30
NE
25
ENE
30
ENE
30
ENE
30
ENE
35
ENE
30
ENE
30
NE
30
NE
35
ENE
25
ENE
25
ENE
30
NE
30
ENE
25
ENE
30
NE
35
NE
35
ENE
30
ENE
25
ENE
25
ENE
20
ENE
15
ENE
Wind State
off
off
off
cross-off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
9:34PM5.14m
10:03AM5.23m
10:28PM5.42m
10:57AM5.41m
11:18PM5.67m
11:48AM5.52m
Low Tide
3:11PM1.28m
3:45AM1.10m
4:08PM1.09m
4:40AM0.77m
4:59PM0.91m
5:31AM0.52m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:07
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:42
9:40
9:39
9:38
 mm
Temp °C
24
24
23
19
16
15
15
18
20
19
18
19
17
15
16
20
22
22
21
20
18
17
19
22
Feels °C
19
19
19
14
10
9
8
11
14
13
12
14
12
9
11
15
16
16
14
16
14
13
16
19
  • 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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