Trearddur Bay (Holy Island) Surf Break

Trearddur Bay (Holy Island) 48 hour detailed Surf Forecast

Lat Long: 53.28° N 4.62° W

Issued: 6 pm 06 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 (06 Jul):

  • Afternoon surf: Afternoon surf (06 Jul, local time) - 2ft (0.6m), 5s period with SSW swell.
  • Evening surf: Evening surf (06 Jul, local time) - 2.5ft (0.7m), 5s period with SW swell.

The current surf forecast for Trearddur Bay (Holy Island) at 11PM is: 0.7m 5s primary swell from a Southwest direction (forecast issued at 06:00pm July 06). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (06 Jul)--
Afternoon (06 Jul)2ft (0.6m)5s
Evening (06 Jul)2.5ft (0.7m)5s

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 Wed afternoon, min 14°C on Mon night). Wind will be generally light.

Mon
6
Tuesday
7
Wednesday
8
Thu
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)
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)
0.6
SSW
5
0.8
SSW
4
0.7
SW
5
0.7
SSW
5
0.6
SSW
5
0.7
NW
4
0.6
NW
4
0.5
NW
4
0.4
NW
4
0.4
SSW
3
0.1
S
12
0.4
SW
4
0.1
S
12
0.2
SSW
4
0.2
SSW
3
0.2
WNW
3
0.1
S
11
0.1
S
11
0.1
S
11
Wave Graph
Metric surfscale
Energy kJ
14
24
23
21
16
20
16
9
4
4
4
3
3
1
1
1
0
0
0
0
0
3
3
3
Wind (km/h)
20
SSW
20
SSW
15
SSW
10
WSW
20
W
20
W
15
WSW
15
SSW
20
SSW
20
SSW
20
S
15
SSW
10
SSW
5
WSW
5
WNW
5
WNW
10
WSW
10
SSW
10
SSW
10
S
10
SW
5
NNW
15
NW
10
NW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
on
glassy
cross
cross
High Tide
3:21PM4.72m
3:35AM5.04m
4:10PM4.65m
4:27AM4.93m
5:07PM4.59m
5:27AM4.83m
Low Tide
9:23PM1.62m
9:55AM1.33m
10:15PM1.72m
10:50AM1.43m
11:15PM1.80m
11:52AM1.51m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
5:00
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:45
9:45
9:45
9:44
 mm
Temp °C
18
18
18
16
14
14
14
16
18
19
19
18
17
16
17
19
20
20
20
19
17
16
17
19
Feels °C
15
15
17
15
11
11
11
13
15
16
17
17
17
17
17
19
20
19
19
18
16
16
16
18
Swell 1
Height (m)
Direction
Period (s)
0.2
WNW
3
0.7
SSW
5
0.6
SSW
5
0.5
SW
5
0.6
NW
4
0.5
NW
4
0.4
NW
4
0.2
WNW
4
0.1
S
12
0.3
SW
4
0.2
SSW
4
0.2
SSW
3
0.1
S
11
0.1
S
11
Energy kJ
1
21
16
11
16
9
4
1
3
2
1
1
3
3
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
4
0.1
S
12
0.1
S
11
Energy kJ
5
3
3
Swell 3
Height (m)
Direction
Period (s)
0.1
S
12
0.1
S
12
Energy kJ
3
3
Wind waves
Height (m)
Direction
Period (s)
0.6
SSW
5
0.8
SSW
4
0.7
SW
5
0.4
NW
4
0.7
WNW
4
0.7
NW
4
0.4
SW
4
0.4
SSW
3
0.4
SSW
3
0.4
SSW
3
0.4
SW
4
0.2
WNW
3
0.2
WNW
3
0.2
WNW
3
0.2
WNW
3
Energy kJ
14
24
23
3
16
20
5
3
4
4
3
1
1
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
250
323
251
251
285
236
236
235
407
368
251
246
246
246
246
246
284
284
249
246
246
241
184
246
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
2
2
2
2
2
2
2
2
1
2
1
1
1
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
9
8
8
8
7
6
7
5
5
7
9
9
9
8
7
6
8
9
9
8
7
6
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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