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Trearddur Bay (Holy Island) location map

Trearddur Bay (Holy Island) surf Forecast / Wales – Anglesy / UK

12 Day Weather and Surf, issued 12 pm Thursday 18 Apr 2024 BST
Forecast update in  hr  min  s Update imminent
Trearddur Bay (Holy Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trearddur Bay (Holy Island) sea temperature is 9.8°C (Statistics for 18 Apr 1981-2005 - mean: 8.6 °C max: 9.5 °C min: 6.4 °C)
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
Trearddur Bay (Holy Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trearddur Bay (Holy Island) sea temperature is 9.8°C (Statistics for 18 Apr 1981-2005 - mean: 8.6 °C max: 9.5 °C min: 6.4 °C)


Best Forecast Surf Conditions for Trearddur Bay (Holy Island) this week:

The most powerful waves expected at Trearddur Bay (Holy Island) in the next 12 days are 1.3m 5s and forecast to arrive on Friday (Apr 19) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Friday (Apr 19) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1AM (Fri 19th Apr)4.5ft (1.3m) 5s

Table - best surf conditions forecast for Trearddur Bay (Holy Island) over the next 12 days.

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Quick surf report for Trearddur Bay (Holy Island):

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Updates in  hr  min  s Update imminent
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
WSW
0.8
WSW
1.3
WNW
0.3
SW
0.3
SW
0.1
S
0.6
NNW
0.1
S
0.2
ENE
0.1
N
0.4
NE
0.1
NE
0.1
N
0.1
N
0.3
N
0.4
N
0.4
NNW
0.1
SW
0.1
S
0.7
NNW
0.1
SW
0.1
SW
0.1
S
0.1
S
0.1
SW
0.1
SW
1
W
2.5
SW
0.7
SW
0.4
SW
3.5
NNW
0.1
SW
1.1
N
0.8
NNW
0.8
NNW
Period(s) (?)645551251222223-234316164141414141313467786645
Wave
Graph
(?)Metric surfscale
Energy (?)61874443030000000000105088847735486471902000
Wind
(km/h)
20
WSW
30
SW
35
WNW
30
NW
25
NNW
25
N
10
NE
15
NE
15
NE
10
NE
20
NE
10
NE
10
NNE
10
NE
5
WNW
20
NNE
20
N
10
NE
10
NE
20
NNE
10
NNW
20
NNE
15
N
10
N
20
NW
15
W
35
NNW
25
NNW
20
NNW
35
NNW
30
WNW
30
NNW
35
NE
40
NE
40
NNE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncrosscrosscross-
off
cross-
off
offoffoffoffoffoffoffoffglasscross-
off
cross-
off
offoffcross-
off
cross-
off
offcross-
off
cross-
off
crosscross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
off
offoffcross-
off
off
High Tide
/ height (m)
8:31PM
4.41
8:43AM
4.68
9:15PM
4.64
9:24AM
4.90
9:49PM
4.85
9:58AM
5.07
10:18PM
5.02
10:28AM
5.20
10:46PM
5.16
10:58AM
5.28
11:15PM
5.26
11:27AM
5.32
11:44PM
5.33
11:59AM
5.30
12:15AM
5.34
12:31PM
5.23
12:49AM
5.30
1:06PM
5.11
1:24AM
5.19
1:46PM
4.93
2:05AM
5.04
2:33PM
4.71
2:56AM
4.84
Low Tide
/ height (m)
2:08PM
1.82
2:27AM
2.11
2:57PM
1.56
3:11AM
1.81
3:36PM
1.32
3:46AM
1.54
4:08PM
1.14
4:17AM
1.31
4:37PM
1.01
4:46AM
1.14
5:05PM
0.93
5:16AM
1.03
5:35PM
0.92
5:47AM
0.99
6:06PM
0.98
6:20AM
1.01
6:38PM
1.09
6:56AM
1.11
7:14PM
1.27
7:35AM
1.26
7:54PM
1.50
8:21AM
1.45
8:43PM
1.76
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Sunrise6:11--6:09--6:07--6:03--6:01--6:00--5:58--5:56--5:54--5:50--5:48--5:47--
Sunset-8:24--8:25--8:28--8:30--8:31--8:34--8:35--8:37--8:38--8:40--8:43--8:44-
cloudlight raincloudlight rainclearclearclearclearclearpart cloudpart cloudpart cloudcloudcloudlight rainlight rainpart cloudpart cloudpart cloudpart cloudrain showersclearpart cloudpart cloudpart cloudrain showerspart cloudlight rainpart cloudpart cloudlight rainlight rainlight rainclearclearpart cloud
Rain (mm)
-1-1----------11----2----1-2--143---
Temp. °C8111199899899977910101098878881099998779109
Feels °C (?)3542316534454576574351353533430-1-2013

Short Range Forecast: Light rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 11°C on Thu afternoon, min 8°C on Thu morning). Winds decreasing (fresh winds from the WNW on Thu night, light winds from the NE by Fri night).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Mon night. Very mild (max 10°C on Tue morning, min 7°C on Mon morning). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Wed night. Very mild (max 10°C on Fri afternoon, min 7°C on Wed morning). Winds increasing (light winds from the N on Wed night, fresh winds from the NNW by Fri night).

Long Range Forecast: Moderate rain (total 10mm), heaviest on Sun afternoon. Very mild (max 10°C on Mon afternoon, min 6°C on Sun morning). Winds increasing (light winds from the NNW on Sat afternoon, strong winds from the NE by Sun night).

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Information about the Trearddur Bay (Holy Island) Surf forecast

The above surf forecast table for Trearddur Bay (Holy Island) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Trearddur Bay (Holy Island) can be found by selecting the local surf guide option on the grey menu. Our Trearddur Bay (Holy Island) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Trearddur Bay (Holy Island)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Trearddur Bay (Holy Island) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Anglesy? If you are looking for accommodation near Trearddur Bay (Holy Island), camping, hotels and holiday cottages in Anglesy, consider staying in Holyhead which is 4 km (2 miles) away. Other places in and around Anglesy where you can find information about places to rent, and car hire include Anglesey which is 7 km (4 miles) away, Bangor, Porthmadog and Llandudno.

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