Surf Break

Lat Long: 53.28° N 4.62° W

Trearddur Bay (Holy Island) 48 hour detailed Surf Forecast

Issued: 5 pm 14 Nov 2026 (local time)

Forecast update in  hr  min

Today's Trearddur Bay (Holy Island) sea temperature is
13.2°C
1.3° 

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 (14 Nov):

  • Afternoon surf: Afternoon surf (14 Nov, local time) - 6ft (1.9m), 6s period with SSW swell.
  • Evening surf: Evening surf (14 Nov, local time) - 7.5ft (2.3m), 7s period with SSW swell.

The current surf forecast for Trearddur Bay (Holy Island) at 11PM is: 2.3m 7s primary swell from a South-southwest direction and 0.2m 11s secondary swell from a West-southwest direction (forecast issued at 05:00pm November 14). The wind direction is predicted to be cross-onshore.

Time (GMT) & DateWave HeightWave Period
Morning (14 Nov)--
Afternoon (14 Nov)6ft (1.9m)6s
Evening (14 Nov)7.5ft (2.3m)7s

Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)


Short Range Forecast

Heavy rain (total 23mm), heaviest during Mon night. Very mild (max 12°C on Mon night, min 6°C on Mon afternoon). Winds decreasing (near gales from the NNW on Sun afternoon, light winds from the WNW by Mon morning).

Sat
14
Sunday
15
Monday
16
Tue
17
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SSW
6
2.1
SSW
6
2.3
SSW
7
2.3
SSW
7
2.1
SSW
7
1.8
SSW
7
1.6
SSW
7
1.4
SSW
7
1
SSW
7
0.7
SW
7
0.6
SSW
7
0.5
SW
7
0.6
SW
8
0.6
SW
10
0.6
SW
9
0.6
SSW
9
0.6
SSW
9
0.5
SW
9
1.1
SSE
4
2
SSE
6
2.5
S
7
2.2
SSW
8
Wave Graph
Metric surfscale
Energy kJ
272
370
476
473
374
289
237
203
111
54
37
27
49
74
70
55
54
38
46
239
787
635
Wind (km/h)
45
SSW
40
SSW
45
S
45
S
40
S
40
SSE
35
S
30
NW
45
NNW
55
NNW
45
NW
35
NW
35
NW
30
NW
20
NW
10
WNW
10
SSE
25
ESE
30
SE
40
ESE
50
SSE
45
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross-off
cross
cross
cross
cross
cross-on
cross-off
cross-off
cross-off
cross
on
High Tide
12:54PM5.13m
1:21AM4.68m
1:38PM4.95m
2:11AM4.46m
2:29PM4.76m
3:11AM4.30m
Low Tide
7:10PM1.79m
7:23AM2.09m
7:57PM1.99m
8:12AM2.32m
8:53PM2.13m
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
mod rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:41
—
—
—
—
—
—
—
7:43
—
—
—
—
—
—
—
7:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:23
—
—
—
—
—
—
—
4:22
—
—
—
—
—
—
—
4:21
—
—
—
—
4:20
 mm
—
—
—
—
—
—
1
5
1
—
—
—
—
—
—
—
—
—
—
7
4
3
Temp °C
11
11
10
10
10
9
9
11
10
8
7
7
7
7
7
7
7
6
6
6
9
12
Feels °C
2
1
-1
1
2
1
2
5
0
-4
-4
-2
-2
-2
1
3
3
-1
-2
-4
-1
3
  • 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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