Trearddur Bay (Holy Island) Surf Break
Lat Long: 53.28° N 4.62° W

Trearddur Bay (Holy Island) 48 hour detailed Surf Forecast

Weather Forecast for Trearddur Bay (Holy Island)

Issued: 6 pm 07 Jun 2026 (local time)

Forecast update in  hr  min

Today's Trearddur Bay (Holy Island) sea temperature is
12.9° C

Slightly warmer than usual

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 (08 Jun):

  • Morning surf: Morning surf (08 Jun, local time) - 3ft (0.9m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (08 Jun, local time) - 3ft (0.9m), 7s period with SSW swell.
  • Evening surf: Evening surf (08 Jun, local time) - 4.5ft (1.4m), 6s period with SW swell.

The current surf forecast for Trearddur Bay (Holy Island) at 2AM is: 2.2m 7s primary swell from a Southwest direction and 1.9m 7s secondary swell from a Southwest direction, 0.1m 13s secondary swell from a Southwest direction (forecast issued at 06:00pm June 07). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (08 Jun)3ft (0.9m)7s
Afternoon (08 Jun)3ft (0.9m)7s
Evening (08 Jun)4.5ft (1.4m)6s

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

Heavy rain (total 20mm), heaviest during Sun night. Very mild (max 13°C on Sun afternoon, min 10°C on Sun night). Winds decreasing (strong winds from the S on Sun night, light winds from the WSW by Tue afternoon).

Sun
7
Monday
8
Tuesday
9
Wed
10
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)
2.4
SSW
7
2.5
SSW
7
2.5
SSW
7
2.2
SW
7
1.6
SW
7
1.2
SSW
7
0.9
SSW
7
0.8
SSW
7
0.9
SSW
7
1.3
SSW
5
1.4
SW
6
1.5
SW
6
1.6
SW
6
1.7
WSW
6
1.7
WSW
6
1.5
WSW
6
1.3
SW
6
1.3
SW
6
1.1
SW
6
1
SW
7
1.2
WSW
4
1.2
WSW
4
1.2
WSW
5
1.1
WSW
5
Wave Graph
Metric surfscale
Energy kJ
525
581
661
489
254
138
90
64
83
97
131
161
182
170
176
154
108
100
85
85
55
54
59
59
Wind (km/h)
50
SSW
50
SSW
50
S
20
WNW
15
WSW
20
WNW
25
WNW
15
WSW
30
SSW
35
SW
25
WSW
30
WSW
30
WSW
35
WSW
35
WSW
30
WSW
20
W
15
WSW
25
W
20
WNW
25
W
30
W
30
W
25
W
Wind State
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
3:57PM4.42m
4:12AM4.75m
4:55PM4.39m
5:10AM4.71m
5:58PM4.44m
6:13AM4.75m
Low Tide
9:58PM1.96m
10:35AM1.61m
10:57PM1.99m
11:35AM1.57m
00:01AM1.93m
12:37PM1.47m
cloud
cloud
cloud
light rain
light rain
clear
clear
clear
clear
light rain
light rain
light rain
rain showers
part cloud
part cloud
cloud
rain showers
rain showers
light rain
light rain
light rain
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:52
4:52
4:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:40
9:42
9:43
9:44
 mm
5
5
1
2
1
1
1
1
1
1
1
Temp °C
13
13
13
11
10
11
10
11
12
12
13
11
10
10
11
12
13
13
13
11
10
10
11
12
Feels °C
4
4
4
7
6
6
5
7
5
5
7
5
3
2
3
6
8
9
7
7
5
4
5
6
Swell 1
Height (m)
Direction
Period (s)
2.2
SW
7
1.6
SW
7
1.2
SSW
7
0.9
SSW
7
0.5
NW
4
0.3
NW
4
0.1
SW
12
0.1
SW
12
0.6
WNW
5
1.1
SW
6
1
SW
7
Energy kJ
489
254
138
90
8
2
5
6
15
85
85
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
13
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.1
SW
12
Energy kJ
7
6
6
6
6
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
12
Energy kJ
6
Wind waves
Height (m)
Direction
Period (s)
2.4
SSW
7
2.5
SSW
7
2.5
SSW
7
0.6
WNW
4
0.7
WNW
4
0.8
SSW
7
0.9
SSW
7
1.3
SSW
5
1.4
SW
6
1.5
SW
6
1.6
SW
6
1.7
WSW
6
1.7
WSW
6
1.5
WSW
6
1.3
SW
6
1.3
SW
6
0.5
WNW
4
0.7
WNW
4
1.2
WSW
4
1.2
WSW
4
1.2
WSW
5
1.1
WSW
5
Energy kJ
525
581
661
11
15
64
83
97
131
161
182
170
176
154
108
100
8
15
55
54
59
59
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
2
1
1
1
1
1
1
2
1
2
1
2
3
1
1
1
2
2
3
Distance (km)
246
246
253
101
51
174
174
51
251
251
251
251
246
246
309
838
556
326
51
51
251
195
384
548
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
3
3
3
3
4
3
2
2
2
3
3
3
4
4
3
2
3
3
2
2
Header Global
Rating
(10 max)
8
8
9
9
7
6
6
5
6
8
6
9
9
8
7
6
5
7
6
5
5
5
8
8
  • 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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