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 04 Jun 2026 (local time)

Forecast update in  hr  min

Today's Trearddur Bay (Holy Island) sea temperature is
12.8° 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 (04 Jun):

  • Afternoon surf: Afternoon surf (04 Jun, local time) - 5.5ft (1.7m), 5s period with WSW swell.
  • Evening surf: Evening surf (04 Jun, local time) - 2ft (0.6m), 13s period with SW swell.

The current surf forecast for Trearddur Bay (Holy Island) at 10PM is: 0.6m 13s primary swell from a Southwest direction and 0.9m 6s secondary swell from a Southwest direction, 1.2m 5s secondary swell from a West-northwest direction (forecast issued at 06:00pm June 04). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (04 Jun)--
Afternoon (04 Jun)5.5ft (1.7m)5s
Evening (04 Jun)2ft (0.6m)13s

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

Light rain (total 6mm), mostly falling on Fri night. Very mild (max 14°C on Thu afternoon, min 10°C on Thu night). Winds increasing (light winds from the N on Sat morning, fresh winds from the SSW by Sun morning).

Thu
4
Friday
5
Saturday
6
Sun
7
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
1
2
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)
1.7
WSW
5
0.8
SW
13
0.6
SW
13
0.6
SW
13
1.5
W
5
1.3
WSW
5
0.9
SW
7
0.9
SSW
7
0.9
SSW
4
0.9
SSW
4
0.9
SSW
5
1
SSW
6
1.5
S
6
1.6
S
7
1.7
SSW
9
1.4
SSW
9
1.3
SSW
10
1.4
SW
13
1
SW
10
1.1
SW
10
1.5
SW
5
1.6
SW
6
1.6
SSW
6
1.9
SSW
6
Wave Graph
Metric surfscale
Energy kJ
156
250
138
108
124
94
86
88
31
30
33
63
176
277
446
348
307
594
200
213
115
159
171
279
Wind (km/h)
35
W
35
W
35
W
35
W
30
W
25
WSW
25
SW
25
SSW
30
SSW
25
S
25
SSE
30
SE
35
ESE
30
ESE
20
ESE
15
N
15
NW
20
W
15
WSW
25
SSW
35
SSW
35
SSW
35
SSW
40
SSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
on
on
on
cross-on
cross-on
cross-on
High Tide
1:40PM4.75m
1:52AM5.08m
2:21PM4.63m
2:34AM4.96m
3:06PM4.51m
3:20AM4.84m
Low Tide
7:39PM1.61m
8:08AM1.43m
8:19PM1.75m
8:51AM1.52m
9:05PM1.87m
9:40AM1.58m
rain showers
light rain
rain showers
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
4:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:37
9:38
9:39
9:40
 mm
1
1
1
1
2
Temp °C
14
13
12
11
11
10
11
12
12
12
12
12
11
12
13
14
14
13
13
13
12
13
13
13
Feels °C
7
6
5
4
4
4
6
6
6
6
6
6
4
6
9
12
11
9
10
8
6
8
7
6
Swell 1
Height (m)
Direction
Period (s)
0.8
SW
13
0.9
SW
6
0.9
SW
6
0.4
SW
13
0.4
SW
13
0.6
WNW
5
0.4
NW
4
0.2
WNW
4
0.4
SW
7
0.4
SW
7
1
SSW
6
0.1
SW
13
1.6
S
7
1.7
SSW
9
1.4
SSW
9
1.3
SSW
10
1.4
SW
13
1
SW
10
Energy kJ
250
52
58
61
44
14
4
1
12
12
63
7
277
446
348
307
594
200
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
13
0.6
SW
13
0.3
NNW
5
0.2
WSW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.3
SW
14
0.7
SW
14
0.1
NE
4
0.2
NNE
4
Energy kJ
138
108
6
17
7
7
7
7
7
32
184
1
1
Swell 3
Height (m)
Direction
Period (s)
0.5
SW
8
0.3
SW
13
0.2
NNW
5
Energy kJ
30
28
2
Wind waves
Height (m)
Direction
Period (s)
1.7
WSW
5
1.4
W
5
1.2
WNW
5
1.3
WNW
5
1.5
W
5
1.3
WSW
5
0.9
SW
7
0.9
SSW
7
0.9
SSW
4
0.9
SSW
4
0.9
SSW
5
0.6
SE
3
1.5
S
6
1.4
SE
5
0.2
ENE
5
0.3
NE
6
0.3
NE
4
0.4
NW
2
0.4
W
3
1.1
SW
10
1.5
SW
5
1.6
SW
6
1.6
SSW
6
1.9
SSW
6
Energy kJ
156
102
72
92
124
94
86
88
31
30
33
7
176
106
3
5
3
2
3
213
115
159
171
279
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
3
2
2
2
2
1
2
2
2
4
1
2
2
3
1
1
1
1
1
1
Distance (km)
399
438
438
101
174
174
174
246
246
114
246
249
249
219
59
0
101
51
101
246
252
250
250
246
Best forecast wave conditions in Anglesy
Rating
(10 max)
2
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
1
2
3
4
4
3
4
4
4
4
4
3
2
3
3
3
2
4
3
3
2
4
Header Global
Rating
(10 max)
5
5
5
5
5
5
9
9
9
9
8
8
8
8
9
9
9
9
9
6
6
8
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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