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 05 Jun 2026 (local time)

Forecast update in  hr  min

Today's Trearddur Bay (Holy Island) sea temperature is
12.8° 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 (06 Jun):

  • Morning surf: Morning surf (06 Jun, local time) - 6ft (1.8m), 8s period with SSW swell.
  • Afternoon surf: Afternoon surf (06 Jun, local time) - 4.5ft (1.4m), 9s period with SSW swell.
  • Evening surf: Evening surf (06 Jun, local time) - 4.5ft (1.3m), 10s period with SW swell.

The current surf forecast for Trearddur Bay (Holy Island) at 3AM is: 1.5m 6s primary swell from a South direction and 0.1m 13s secondary swell from a Southwest direction, 0.1m 13s secondary swell from a Southwest direction (forecast issued at 06:00pm June 05). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (06 Jun)6ft (1.8m)8s
Afternoon (06 Jun)4.5ft (1.4m)9s
Evening (06 Jun)4.5ft (1.3m)10s

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

Moderate rain (total 14mm), heaviest on Mon morning. Very mild (max 13°C on Sat morning, min 10°C on Mon morning). Winds increasing (light winds from the NW on Sat afternoon, strong winds from the SSW by Sun morning).

Fri
5
Saturday
6
Sunday
7
Mon
8
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
2
1
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
SSW
4
1
SSW
5
1
SSW
5
1.3
SSW
6
1.6
S
6
1.6
SSW
7
1.9
SSW
9
1.6
SSW
9
1.3
SSW
9
1.2
SSW
10
1.3
SW
10
1.4
SW
9
1.7
SW
6
1.7
SW
6
1.9
SSW
6
2.2
SSW
6
2.3
SSW
7
2.4
SSW
7
1.9
SSW
7
1.8
SSW
6
2.1
SSW
6
1.7
SW
7
1.3
SSW
7
0.9
SSW
7
Wave Graph
Metric surfscale
Energy kJ
38
46
54
109
206
280
530
424
299
241
334
343
216
216
268
399
508
595
342
249
341
268
147
90
Wind (km/h)
30
SSW
30
S
30
S
30
SE
35
SE
40
ESE
25
ESE
15
ENE
15
NW
30
W
20
WSW
30
SW
30
SSW
35
SSW
40
SSW
45
SSW
45
SSW
40
SSW
30
S
35
S
40
S
45
S
30
WNW
25
WSW
Wind State
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
off
cross
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
2:21PM4.63m
2:34AM4.96m
3:06PM4.51m
3:20AM4.84m
3:57PM4.42m
4:12AM4.75m
Low Tide
8:19PM1.75m
8:51AM1.52m
9:05PM1.87m
9:40AM1.58m
9:58PM1.96m
10:35AM1.61m
part cloud
cloud
cloud
light rain
light rain
light rain
cloud
light rain
part cloud
part cloud
clear
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
light rain
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:52
4:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:38
9:39
9:40
9:42
 mm
1
1
1
1
2
2
1
5
Temp °C
12
12
12
11
11
12
13
13
13
13
13
12
12
12
13
13
13
13
13
13
13
13
10
11
Feels °C
5
6
6
5
4
4
8
10
11
8
9
6
6
6
6
5
5
6
7
7
5
5
3
5
Swell 1
Height (m)
Direction
Period (s)
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
0.1
SW
13
1.6
SSW
7
1.9
SSW
9
1.6
SSW
9
1.3
SSW
9
1.2
SSW
10
0.4
SW
13
0.4
SW
13
0.4
SW
12
0.1
SW
13
0.1
SW
12
1.7
SW
7
1.3
SSW
7
0.9
SSW
7
Energy kJ
7
7
7
7
7
280
530
424
299
241
58
44
39
7
6
268
147
90
Swell 2
Height (m)
Direction
Period (s)
0.2
WNW
4
0.1
SW
13
0.1
W
13
0.2
SSW
14
0.7
SW
14
0.6
SW
13
0.1
SW
12
0.1
SW
12
0.6
NW
4
Energy kJ
1
7
3
19
179
106
6
6
11
Swell 3
Height (m)
Direction
Period (s)
0.2
ENE
6
Energy kJ
3
Wind waves
Height (m)
Direction
Period (s)
1
SSW
4
1
SSW
5
1
SSW
5
1.3
SSW
6
1.6
S
6
0.9
SE
5
0.2
ENE
5
0.8
SE
5
1.3
SW
10
1.4
SW
9
1.7
SW
6
1.7
SW
6
1.9
SSW
6
2.2
SSW
6
2.3
SSW
7
2.4
SSW
7
1.9
SSW
7
1.8
SSW
6
2.1
SSW
6
0.7
NW
4
0.6
WNW
4
Energy kJ
38
46
54
109
206
45
3
26
334
343
216
216
268
399
508
595
342
249
341
17
11
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
4
2
2
1
1
1
1
1
1
1
1
1
1
2
1
1
3
1
1
Distance (km)
246
246
249
249
249
219
167
0
101
88
246
246
246
246
250
251
251
234
234
246
234
292
280
307
Best forecast wave conditions in Anglesy
Rating
(10 max)
2
Best forecast wave conditions in United Kingdom
Rating
(10 max)
4
4
3
4
4
4
3
3
2
2
2
2
3
1
3
4
4
3
3
4
3
3
4
3
Header Global
Rating
(10 max)
9
9
8
8
8
8
9
9
9
9
9
8
6
8
8
8
8
8
9
8
7
6
7
7
  • 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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