Trearddur Bay (Holy Island) Surf Break

Trearddur Bay (Holy Island) 48 hour detailed Surf Forecast

Lat Long: 53.28° N 4.62° W

Issued: 12 am 05 Jul 2026 (local time)

Forecast update in  hr  min

Today's Trearddur Bay (Holy Island) sea temperature is
15.3° C

1.0°C warmer than normal for this time of year

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


How big are the waves at Trearddur Bay (Holy Island) today (05 Jul):

  • Morning surf: Morning surf (05 Jul, local time) - 2.5ft (0.8m), 4s period with WSW swell.
  • Afternoon surf: Afternoon surf (05 Jul, local time) - 2.5ft (0.7m), 4s period with SW swell.
  • Evening surf: Evening surf (05 Jul, local time) - 2.5ft (0.8m), 4s period with SW swell.

The current surf forecast for Trearddur Bay (Holy Island) at 4AM is: 0.9m 4s primary swell from a West-southwest direction (forecast issued at 12:00am July 05). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (05 Jul)2.5ft (0.8m)4s
Afternoon (05 Jul)2.5ft (0.7m)4s
Evening (05 Jul)2.5ft (0.8m)4s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 20°C on Tue afternoon, min 14°C on Sun night). Wind will be generally light.

Sunday
5
Monday
6
Tuesday
7
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
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
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)
0.9
WSW
5
0.9
WSW
4
0.8
WSW
4
0.7
WSW
4
0.7
SW
4
0.8
SW
4
0.8
SW
4
0.7
SW
4
0.7
SW
4
0.5
SW
4
0.4
SSW
4
0.4
NW
4
0.4
SW
5
0.5
SW
3
0.6
SSW
4
0.6
SW
4
0.6
SSW
4
0.5
SW
5
0.5
NW
4
0.5
NW
4
0.4
NW
4
0.2
WNW
4
0.3
SSW
2
0.1
S
12
Wave Graph
Metric surfscale
Energy kJ
33
32
19
13
15
21
21
18
17
9
7
4
8
4
9
14
13
10
8
8
4
2
1
3
Wind (km/h)
15
WSW
20
WSW
15
WSW
15
SW
20
SW
20
SSW
25
SSW
20
SSW
20
SW
10
SW
5
WSW
10
SW
15
SW
20
SSW
25
S
15
SSW
10
SW
10
WSW
10
WSW
10
SW
20
SW
15
SSW
20
SSW
15
S
Wind State
on
cross-on
on
on
on
cross-on
on
on
on
on
on
on
on
on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
High Tide
2:11AM5.22m
2:38PM4.79m
2:50AM5.14m
3:21PM4.72m
3:35AM5.04m
4:10PM4.65m
Low Tide
8:25AM1.20m
8:38PM1.52m
9:07AM1.25m
9:23PM1.62m
9:55AM1.33m
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
5:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:46
9:45
9:45
 mm
Temp °C
17
16
15
16
17
19
18
19
19
16
14
15
17
19
18
19
18
16
15
16
18
19
20
20
Feels °C
16
14
13
14
15
17
15
17
17
15
14
14
15
16
15
18
17
15
14
14
15
16
17
17
Swell 1
Height (m)
Direction
Period (s)
0.7
SW
5
0.4
NW
4
0.3
NW
4
0.3
NW
4
0.5
SW
4
0.4
SSW
4
0.4
NW
4
0.3
NW
4
0.2
WNW
3
0.6
SSW
4
0.5
SW
5
0.4
SSW
4
0.5
NW
4
0.4
NW
4
0.2
WNW
4
Energy kJ
25
6
2
2
9
7
4
2
1
13
10
8
8
4
1
Swell 2
Height (m)
Direction
Period (s)
0.2
WNW
4
0.4
NW
4
0.4
SW
4
0.1
S
12
Energy kJ
1
4
4
3
Swell 3
Height (m)
Direction
Period (s)
0.1
S
12
Energy kJ
3
Wind waves
Height (m)
Direction
Period (s)
0.9
WSW
5
0.9
WSW
4
0.8
WSW
4
0.7
WSW
4
0.7
SW
4
0.8
SW
4
0.8
SW
4
0.7
SW
4
0.7
SW
4
0.4
SW
4
0.4
SW
5
0.5
SW
3
0.6
SSW
4
0.6
SW
4
0.2
WNW
3
0.5
NW
4
0.5
NW
4
0.2
SSW
4
0.2
SSW
4
0.3
SSW
2
0.3
SSW
3
Energy kJ
33
32
19
13
15
21
21
18
17
4
8
4
9
14
1
7
8
2
2
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
192
192
194
195
347
305
305
292
285
285
285
292
251
251
358
246
251
251
251
251
358
356
356
246
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
2
Header Global
Rating
(10 max)
5
9
9
9
8
7
6
5
5
6
5
5
5
9
8
8
8
7
8
5
5
5
7
9
  • 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
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