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 06 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 (06 Jun):

  • Afternoon surf: Afternoon surf (06 Jun, local time) - 5ft (1.5m), 10s period with SSW swell.
  • Evening surf: Evening surf (06 Jun, local time) - 4ft (1.2m), 10s period with SSW swell.

The current surf forecast for Trearddur Bay (Holy Island) at 11PM is: 1.1m 10s primary swell from a Southwest direction and 0.4m 13s secondary swell from a Southwest direction, 0.6m 4s secondary swell from a West direction (forecast issued at 06:00pm June 06). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (06 Jun)--
Afternoon (06 Jun)5ft (1.5m)10s
Evening (06 Jun)4ft (1.2m)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 17mm), heaviest on Sun night. Very mild (max 14°C on Sat afternoon, min 10°C on Mon morning). Winds increasing (light winds from the NW on Sat afternoon, strong winds from the SSW by Sun afternoon).

Sat
6
Sunday
7
Monday
8
Tue
9
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)
1
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)
1.5
SSW
10
1.2
SW
10
1.1
SW
10
1.2
SW
10
1.6
SW
6
1.7
SW
6
1.7
SSW
6
2
SSW
6
2.1
SSW
6
2.2
SSW
7
2.2
SSW
7
2
SSW
7
1.5
SW
7
1.1
SW
7
0.9
SW
7
0.8
WSW
7
0.9
SSW
7
1.2
SW
5
1.4
SW
6
1.5
SW
6
1.6
SW
6
1.7
SW
6
1.9
WSW
6
1.6
WSW
6
Wave Graph
Metric surfscale
Energy kJ
394
275
216
264
171
223
196
293
351
440
453
372
204
112
73
66
81
76
126
177
182
195
260
190
Wind (km/h)
15
NW
25
W
30
W
25
SW
35
SSW
40
SSW
40
SSW
40
SSW
45
SSW
45
SSW
40
SSW
35
SSW
25
NW
25
WNW
25
W
20
WSW
30
SSW
30
SW
30
WSW
30
WSW
35
WSW
40
WSW
40
WSW
30
W
Wind State
cross
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross
cross
cross-on
cross-on
on
on
cross-on
cross-on
on
on
on
cross-on
High Tide
3:06PM4.51m
3:20AM4.84m
3:57PM4.42m
4:12AM4.75m
4:55PM4.39m
5:10AM4.71m
Low Tide
9:05PM1.87m
9:40AM1.58m
9:58PM1.96m
10:35AM1.61m
10:57PM1.99m
11:35AM1.57m
part cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
light rain
mod rain
rain showers
clear
clear
part cloud
rain showers
light rain
rain showers
clear
cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:52
4:52
4:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:39
9:40
9:42
9:43
 mm
1
1
3
6
1
1
2
1
1
Temp °C
14
13
13
12
12
12
13
13
13
13
13
13
11
11
10
11
12
12
13
11
10
10
11
12
Feels °C
12
9
7
6
6
5
6
6
5
5
5
7
6
5
5
6
5
5
7
4
3
1
2
5
Swell 1
Height (m)
Direction
Period (s)
1.5
SSW
10
1.2
SW
10
1.1
SW
10
0.4
NW
4
1.5
SW
7
1.1
SW
7
0.9
SW
7
0.7
SW
7
0.3
NW
4
0.1
SW
12
0.1
SW
12
0.1
NW
6
Energy kJ
394
275
216
4
204
112
73
50
2
5
5
2
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
14
0.5
SW
13
0.4
SW
13
0.1
SW
12
0.1
SW
12
0.1
SW
12
0.5
NW
4
Energy kJ
116
88
58
6
6
6
7
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
12
Energy kJ
6
Wind waves
Height (m)
Direction
Period (s)
0.6
W
4
1.2
SW
10
1.6
SW
6
1.7
SW
6
1.7
SSW
6
2
SSW
6
2.1
SSW
6
2.2
SSW
7
2.2
SSW
7
2
SSW
7
1.3
SW
7
0.7
WNW
4
0.6
WNW
4
0.8
WSW
7
0.9
SSW
7
1.2
SW
5
1.4
SW
6
1.5
SW
6
1.6
SW
6
1.7
SW
6
1.9
WSW
6
1.6
WSW
6
Energy kJ
10
264
171
223
196
293
351
440
453
372
169
13
10
66
81
76
126
177
182
195
260
190
Nearest Offshore or Glassy
Rating
(10 max)
3
1
1
1
1
1
3
2
1
1
2
1
1
1
1
1
1
2
1
2
2
1
1
2
Distance (km)
51
246
246
246
246
250
455
275
246
246
234
101
210
50
51
51
246
249
251
246
246
246
391
589
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
1
2
3
3
2
3
3
3
3
4
2
4
2
1
3
3
2
4
4
3
3
2
Header Global
Rating
(10 max)
9
9
9
6
5
6
7
8
8
8
9
8
7
6
7
5
7
5
9
9
9
9
6
6
  • 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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