Trearddur Bay (Beach) (Isle of Anglesey) weather

Here are our top tips to keep you, your friends and family safe at the beach with links to Royal National Lifeboat Institution (RNLI) and Met Office advice.

Forecast days

Yellow weather warning.
Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
No pollen data.

7 day forecast for Trearddur Bay (Beach)

Today (12 March 2026)
Time
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Cloudy Overcast Overcast Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Cloudy Light rain Light rain Light shower night Partly cloudy night
Chance of precipitation
10%
30%
40%
50%
60%
60%
80%
≥95%
≥95%
≥95%
≥95%
90%
60%
50%
60%
70%
50%
40%
Temperature
10°
10°
10°
10°
11°
11°
11°
11°
11°
10°
10°
9°
9°
8°
8°
7°
7°
6°
Feels like temperature (°C)
5°
5°
5°
5°
6°
6°
6°
6°
6°
6°
6°
5°
5°
5°
4°
3°
2°
1°
Wind direction and speed
SSW
30
SSW
31
SSW
31
SSW
32
SSW
33
SSW
34
SSW
34
SSW
34
SW
32
SW
26
SW
22
SW
20
WSW
19
WSW
18
WSW
19
WSW
21
WSW
22
WSW
24
Wind gust (mph)
55
55
57
59
59
59
61
62
50
46
40
39
36
36
40
44
46
46
Visibility
M
M
M
M
M
M
M
M
M
M
M
M
M
G
G
G
G
G
Humidity
84%
85%
86%
88%
91%
90%
90%
90%
91%
89%
90%
86%
83%
78%
76%
76%
77%
72%
UV 1 1 1 1 1 1 1 1 1 1 1 1 1 - - - - -
Wind direction and speed –
31
31
32
33
34
34
34
32
26
22
20
19
18
19
21
22
24
Height of waves offshore (m) –
2.8
3.0
3.1
3.3
3.5
3.6
3.6
3.8
3.7
3.4
3.0
2.7
2.4
2.2
2.2
2.2
2.3
Period of waves offshore (s) –
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
Direction of waves offshore
–
Friday (13 March 2026)
Time
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Light shower day Light shower day Light shower day Partly cloudy night Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
20%
10%
<5%
<5%
<5%
<5%
<5%
10%
10%
10%
20%
30%
30%
40%
50%
50%
50%
50%
50%
30%
30%
20%
<5%
<5%
Temperature (°C)
5°
5°
5°
5°
5°
5°
5°
5°
5°
5°
6°
6°
7°
7°
7°
7°
7°
7°
7°
6°
6°
6°
6°
6°
Feels like temperature (°C)
0°
-1°
-1°
-1°
-1°
-1°
-1°
-1°
-1°
0°
0°
1°
2°
2°
3°
3°
3°
3°
3°
3°
2°
2°
2°
2°
Wind direction and speed (mph)
WSW
24
WSW
25
WSW
25
WSW
26
WSW
26
WSW
26
WSW
26
WSW
26
WSW
26
WSW
25
WSW
24
WSW
22
WSW
21
WSW
20
WSW
19
WSW
17
WSW
16
W
15
W
14
WNW
13
WNW
13
WNW
13
WNW
13
NW
13
Wind gust (mph)
46
47
48
48
48
48
47
46
45
42
41
38
36
36
34
34
29
29
27
27
27
28
28
28
Visibility (description)
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
70%
65%
64%
64%
65%
66%
66%
66%
67%
67%
68%
67%
67%
66%
70%
70%
71%
74%
76%
78%
79%
81%
79%
80%
UV - - - - - - 1 1 1 1 2 2 2 1 1 1 1 1 1 - - - - -
Wind direction and speed (mph)
24
25
25
26
26
26
26
26
26
25
24
22
21
20
19
17
16
15
14
13
13
13
13
13
Height of waves offshore (m)
2.4
2.5
2.6
2.6
2.7
2.7
2.8
2.8
2.7
2.6
2.4
2.3
2.2
2.1
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.3
Period of waves offshore (s)
10
10
8
8
8
8
8
8
8
8
9
8
8
9
10
10
10
10
10
10
10
10
10
10
Direction of waves offshore
Saturday (14 March 2026)
Time
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Clear night Clear night Clear night Clear night Clear night Clear night Clear night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Cloudy Cloudy Partly cloudy night Cloudy Cloudy
Chance of precipitation
10%
<5%
<5%
<5%
<5%
<5%
<5%
<5%
<5%
10%
10%
<5%
<5%
<5%
10%
20%
20%
20%
30%
30%
30%
20%
20%
10%
Temperature (°C)
6°
6°
5°
5°
5°
5°
5°
5°
6°
7°
7°
7°
8°
8°
8°
8°
8°
8°
7°
7°
7°
7°
7°
7°
Feels like temperature (°C)
2°
2°
2°
2°
1°
1°
1°
1°
3°
3°
4°
5°
5°
5°
5°
5°
5°
5°
4°
4°
4°
4°
4°
4°
Wind direction and speed (mph)
NW
13
NW
13
WNW
12
WNW
11
WNW
11
WNW
11
WNW
10
WNW
10
W
10
W
10
W
10
W
10
WSW
10
WSW
11
WSW
11
SW
11
SW
11
SW
12
SW
12
SW
12
SW
12
SW
12
SW
13
SW
13
Wind gust (mph)
27
27
26
25
24
23
22
21
20
20
20
20
20
20
19
21
20
22
22
22
23
25
23
25
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
G
G
G
Humidity
78%
79%
81%
82%
83%
83%
84%
84%
79%
74%
71%
70%
69%
66%
64%
64%
65%
67%
74%
75%
77%
82%
81%
81%
UV - - - - - - 1 1 1 1 2 2 2 2 1 1 1 1 1 - - - - -
Wind direction and speed (mph)
13
13
12
11
11
11
10
10
10
10
10
10
10
11
11
11
11
12
12
12
12
12
13
13
Height of waves offshore (m)
1.2
1.2
1.1
1.1
1.1
1.1
1.1
1.0
1.0
0.9
0.8
0.8
0.7
0.9
0.9
0.8
0.8
0.8
0.8
0.8
0.8
0.9
0.9
0.9
Period of waves offshore (s)
10
10
10
9
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
8
7
4
4
4
Direction of waves offshore
Sunday (15 March 2026)
Time
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Cloudy Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
20%
40%
50%
60%
60%
60%
60%
60%
60%
50%
40%
50%
70%
70%
70%
70%
70%
60%
60%
50%
40%
40%
20%
20%
Temperature (°C)
7°
8°
8°
7°
8°
8°
8°
8°
8°
9°
9°
10°
10°
10°
10°
9°
9°
9°
8°
7°
7°
6°
6°
6°
Feels like temperature (°C)
4°
4°
4°
3°
3°
3°
4°
4°
4°
5°
5°
6°
6°
6°
6°
5°
5°
5°
3°
2°
2°
1°
0°
0°
Wind direction and speed (mph)
SW
14
SW
15
SSW
17
SSW
19
SSW
20
SSW
21
SSW
21
SSW
21
SSW
21
SW
21
SW
20
SW
20
SW
19
SW
19
SW
18
WSW
18
WSW
18
W
19
W
20
W
21
W
21
W
22
W
22
W
22
Wind gust (mph)
25
27
29
32
35
38
38
37
36
36
34
33
34
33
34
38
39
39
42
42
41
43
41
41
Visibility (description)
G
G
G
G
M
M
M
M
M
M
M
M
M
G
G
G
G
G
G
G
G
G
G
G
Humidity
84%
83%
85%
86%
89%
92%
94%
95%
94%
95%
92%
89%
81%
81%
77%
75%
74%
72%
72%
73%
73%
72%
70%
73%
UV - - - - - - 1 1 1 1 1 1 2 2 1 1 1 1 1 - - - - -
Wind direction and speed (mph)
14
15
17
19
20
21
21
21
21
21
20
20
19
19
18
18
18
19
20
21
21
22
22
22
Height of waves offshore (m)
1.0
1.1
1.1
1.2
1.3
1.5
1.7
1.9
1.9
1.9
1.7
1.6
1.5
1.4
1.5
1.5
1.5
1.6
1.6
1.7
1.9
2.0
2.1
2.2
Period of waves offshore (s)
4
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
Direction of waves offshore
Monday (16 March 2026)
Time
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Overcast Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain
Chance of precipitation
20%
20%
10%
10%
10%
10%
10%
10%
10%
10%
20%
20%
40%
50%
70%
70%
70%
70%
60%
50%
50%
60%
60%
50%
Temperature (°C)
5°
5°
5°
5°
5°
5°
5°
6°
6°
7°
7°
8°
8°
8°
9°
9°
9°
9°
9°
9°
9°
9°
10°
10°
Feels like temperature (°C)
0°
0°
0°
0°
0°
0°
0°
1°
1°
2°
3°
3°
4°
4°
4°
4°
4°
4°
4°
4°
5°
5°
5°
5°
Wind direction and speed (mph)
W
22
W
22
W
22
W
21
WSW
20
WSW
20
WSW
20
WSW
19
WSW
19
WSW
20
SW
21
SW
21
SW
21
SSW
22
SSW
22
SSW
23
SSW
24
SSW
26
SSW
27
SSW
28
SSW
28
SSW
28
SSW
27
SSW
27
Wind gust (mph)
41
40
39
38
38
37
36
36
35
35
35
37
36
37
39
42
46
49
50
49
49
50
50
49
Visibility (description)
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
M
M
M
M
M
M
M
M
Humidity
73%
72%
74%
74%
73%
74%
74%
74%
74%
71%
72%
69%
69%
74%
77%
84%
87%
91%
91%
92%
92%
92%
92%
92%
UV - - - - - - 1 1 1 1 1 2 2 1 1 1 1 1 1 - - - - -
Wind direction and speed (mph)
22
22
22
21
20
20
20
19
19
20
21
21
21
22
22
23
24
26
27
28
28
28
27
27
Height of waves offshore (m)
2.4
2.5
2.4
2.5
2.5
2.4
2.4
2.3
2.2
2.1
2.0
1.9
1.9
1.9
1.8
1.8
2.0
2.1
2.2
2.4
2.5
2.7
2.9
3.0
Period of waves offshore (s)
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
6
6
6
7
7
7
8
8
8
Direction of waves offshore
Tuesday (17 March 2026)
Time
00:00
03:00
06:00
09:00
12:00
15:00
18:00
21:00
Weather symbols Light rain Light rain Light rain Light shower day Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
60%
50%
50%
50%
40%
30%
30%
20%
Temperature (°C)
10°
10°
10°
10°
10°
11°
9°
9°
Feels like temperature (°C)
5°
6°
5°
5°
6°
7°
5°
5°
Wind direction and speed (mph)
SSW
27
SSW
26
SSW
27
SSW
25
SSW
26
SSW
24
SSW
20
SSW
17
Wind gust (mph)
46
46
45
46
43
40
33
27
Visibility (description)
M
M
M
M
G
G
G
G
Humidity
92%
92%
92%
88%
82%
75%
80%
84%
UV - - 1 1 2 1 1 -
Wind direction and speed (mph)
27
26
27
25
26
24
20
17
Height of waves offshore (m)
3.0
3.0
3.0
3.1
3.3
3.2
2.5
1.9
Period of waves offshore (s)
8
8
8
9
9
9
9
10
Direction of waves offshore
Wednesday (18 March 2026)
Time
00:00
03:00
06:00
09:00
12:00
15:00
18:00
21:00
Weather symbols Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
Chance of precipitation
20%
10%
10%
10%
10%
10%
20%
20%
Temperature (°C)
8°
8°
7°
9°
11°
10°
9°
8°
Feels like temperature (°C)
5°
5°
5°
7°
9°
9°
7°
6°
Wind direction and speed (mph)
SSW
13
SSW
9
SSW
7
SSW
6
SSW
8
NNE
9
NE
8
NE
7
Wind gust (mph)
21
15
11
14
17
17
12
13
Visibility (description)
G
G
G
G
VG
VG
VG
G
Humidity
84%
89%
92%
82%
70%
71%
83%
91%
UV - - 1 1 2 1 1 -
Wind direction and speed (mph)
13
 – – – – – – –
Height of waves offshore (m)
1.5
 – – – – – – –
Period of waves offshore (s)
10
 – – – – – – –
Direction of waves offshore
–
–
–
–
–
–
–

Tide times

Thursday 12 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Thursday 12 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Thursday 12 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Thursday 12 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Friday 13 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Friday 13 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Friday 13 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Friday 13 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Saturday 14 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Saturday 14 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Saturday 14 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Saturday 14 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Sunday 15 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Sunday 15 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Sunday 15 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Sunday 15 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Monday 16 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Monday 16 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Monday 16 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Monday 16 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Tuesday 17 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Tuesday 17 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Tuesday 17 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Tuesday 17 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Wednesday 18 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Wednesday 18 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Wednesday 18 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times

Wednesday 18 March

Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

Tide times explained

UK video forecast

Trearddur Bay (Beach) weather map

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Forecast for 7am Thursday
Updated 05:00 (UTC) on Thu 12 Mar 2026

Wales weather forecast

Headline:

Wet and windy today with severe gales in places.

Today:

Often wet and windy today with the rain occasionally heavy and persistent, especially later on this afternoon. Gales are likely with severe gales possible in parts of North Wales. A mild day, but feeling unpleasant in the wind and rain. Maximum temperature 13 °C.

Tonight:

Very wet and windy this evening with clearer skies arriving overnight. Turning colder with a slight frost forming in rural spots later, and perhaps the odd wintry shower. Winds easing. Minimum temperature 3 °C.

Friday:

Friday will bring a brighter but much colder day with a mixture of cloudy periods and sunny spells. Passing blustery showers are possible, these wintry over higher ground. Maximum temperature 8 °C.

Outlook for Saturday to Monday:

A frosty start for some on Saturday, then bright spells and well scattered showers. Changeable on Sunday and Monday with occasional rain. Gradually turning somewhat milder though windy at times.

Updated:

UK long range weather forecast

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