Llanddwyn (Newborough) (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

Light rain changing to overcast in the afternoon.
Beach safety today
Large, powerful waves and strong wind
  • • only experts should take part in water activities

Tide: Next low tide (1.7m) at

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

7 day forecast for Llanddwyn (Newborough)

Today (18 September 2025)
Time
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Light rain Overcast Overcast Overcast Overcast Overcast Overcast Light rain Light rain Light rain
Chance of precipitation
70%
20%
10%
40%
40%
50%
50%
50%
60%
60%
Temperature
17°
18°
18°
18°
17°
17°
17°
17°
17°
17°
Feels like temperature (°C)
14°
14°
14°
14°
14°
14°
13°
13°
13°
13°
Wind direction and speed
SSW
20
SSW
20
SSW
21
SSW
21
SSW
22
SSW
22
SSW
22
SSW
22
SSW
22
SSW
22
Wind gust (mph)
37
38
39
39
40
40
40
41
40
38
Visibility
M
G
VG
VG
VG
VG
VG
VG
G
G
Humidity
96%
93%
92%
92%
92%
93%
93%
93%
94%
94%
UV 2 1 1 1 1 1 - - - -
Wind direction and speed
20
21
21
21
22
22
22
22
21
21
Height of waves offshore (m)
0.9
1.1
1.3
1.4
1.5
1.5
1.6
1.6
1.5
1.5
Period of waves offshore (s)
4
5
6
7
7
7
8
7
7
7
Direction of waves offshore
Friday (19 September 2025)
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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Light rain Light rain Heavy rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain
Chance of precipitation
70%
70%
70%
80%
90%
80%
80%
90%
90%
≥95%
≥95%
90%
80%
70%
70%
80%
70%
70%
60%
60%
60%
60%
70%
70%
Temperature (°C)
17°
17°
17°
17°
17°
17°
17°
16°
16°
16°
16°
16°
16°
16°
16°
16°
16°
16°
16°
16°
15°
15°
15°
15°
Feels like temperature (°C)
13°
14°
14°
13°
13°
13°
14°
14°
14°
14°
14°
15°
15°
15°
15°
15°
15°
15°
15°
15°
15°
14°
14°
14°
Wind direction and speed (mph)
SSW
21
SSW
20
SSW
20
SSW
20
SSW
20
SSW
19
SSW
18
SSW
17
SSW
16
SSW
15
SSW
14
SW
13
SW
12
SW
11
SW
11
SW
10
SW
10
SW
9
SW
9
SW
8
SSW
7
SSW
7
SSW
6
SSW
6
Wind gust (mph)
38
37
37
38
36
34
32
28
24
22
23
21
18
16
16
17
17
15
15
14
15
14
12
10
Visibility (description)
G
G
M
G
M
G
G
M
M
M
M
M
M
M
G
G
G
VG
VG
VG
G
G
G
M
Humidity
94%
94%
95%
94%
94%
94%
93%
94%
94%
96%
96%
95%
95%
94%
94%
93%
94%
94%
95%
95%
95%
95%
95%
95%
UV - - - - - - 1 1 1 1 1 1 2 1 2 1 1 1 1 1 - - - -
Wind direction and speed (mph)
21
21
21
20
20
19
18
17
16
15
14
13
13
12
11
11
10
10
9
7
6
6
5
5
Height of waves offshore (m)
1.5
1.5
1.6
1.5
1.5
1.5
1.5
1.4
1.4
1.3
1.2
1.1
1.1
1.0
1.0
1.0
0.9
0.9
0.9
0.8
0.8
0.8
0.7
0.7
Period of waves offshore (s)
7
7
7
8
8
8
8
8
8
8
8
8
8
8
8
8
7
7
9
9
9
9
9
9
Direction of waves offshore
Saturday (20 September 2025)
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 Light rain Light rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light shower day Heavy shower day Heavy shower day Heavy shower day Light rain Heavy rain Heavy rain Light rain Light rain
Chance of precipitation
70%
70%
70%
70%
70%
70%
70%
60%
80%
80%
80%
80%
80%
80%
70%
70%
70%
80%
80%
80%
80%
80%
80%
80%
Temperature (°C)
15°
14°
14°
14°
14°
13°
13°
13°
13°
14°
14°
15°
15°
15°
15°
15°
15°
15°
14°
14°
13°
13°
12°
12°
Feels like temperature (°C)
14°
14°
13°
13°
13°
13°
13°
12°
12°
13°
13°
13°
13°
13°
13°
13°
12°
12°
11°
11°
10°
10°
9°
9°
Wind direction and speed (mph)
S
6
S
6
ESE
6
NE
6
NE
6
NE
6
NE
6
NE
6
ENE
7
ENE
8
ENE
9
ENE
10
ENE
11
ENE
13
E
14
ESE
15
SE
16
SSE
16
WSW
17
WSW
17
WNW
18
W
19
W
18
WNW
18
Wind gust (mph)
10
10
10
11
12
11
13
13
15
16
17
19
19
24
26
29
30
30
28
28
26
27
28
28
Visibility (description)
M
G
M
M
M
G
G
G
G
M
M
M
G
G
G
VG
VG
E
VG
E
E
E
E
E
Humidity
96%
96%
96%
96%
96%
96%
96%
96%
95%
94%
92%
92%
91%
91%
90%
87%
86%
82%
86%
87%
88%
87%
87%
86%
UV - - - - - - - 1 1 1 1 1 1 2 2 1 1 1 1 1 - - - -
Wind direction and speed (mph)
5
5
5
5
6
6
6
6
7
8
9
10
12
13
14
15
16
17
17
18
19
20
20
20
Height of waves offshore (m)
0.6
0.6
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.7
0.9
1.2
1.1
Period of waves offshore (s)
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
5
Direction of waves offshore
Sunday (21 September 2025)
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 Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night
Chance of precipitation
80%
70%
80%
90%
90%
90%
80%
80%
70%
70%
70%
70%
80%
80%
80%
80%
80%
80%
80%
70%
70%
70%
60%
60%
Temperature (°C)
12°
11°
11°
11°
11°
10°
10°
10°
10°
11°
12°
12°
12°
13°
13°
13°
13°
12°
12°
11°
11°
10°
10°
10°
Feels like temperature (°C)
9°
8°
8°
8°
8°
7°
7°
8°
8°
8°
9°
10°
10°
10°
10°
10°
10°
10°
9°
9°
8°
8°
8°
8°
Wind direction and speed (mph)
NW
17
NW
16
NW
16
NW
15
NW
15
NNW
15
NW
14
NNW
13
NNW
12
NNW
12
NNW
12
NNW
12
N
13
N
13
N
13
N
13
N
14
N
13
N
13
N
12
N
11
N
10
NNE
10
NNE
10
Wind gust (mph)
28
30
31
31
31
32
31
29
31
32
30
29
28
28
28
33
30
30
26
26
23
21
20
19
Visibility (description)
E
E
E
E
VG
G
VG
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
Humidity
86%
86%
86%
86%
87%
88%
87%
88%
86%
83%
80%
78%
75%
73%
70%
68%
70%
73%
76%
81%
81%
82%
83%
82%
UV - - - - - - - 1 1 1 2 2 2 2 2 2 1 1 1 1 - - - -
Wind direction and speed (mph)
19
18
17
17
16
15
14
13
13
12
12
12
12
13
13
13
13
13
12
12
11
11
10
10
Height of waves offshore (m)
1.0
0.9
1.1
1.2
1.3
1.2
1.1
1.0
0.9
0.9
0.8
0.8
0.8
0.7
0.7
0.7
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.4
Period of waves offshore (s)
5
5
6
6
7
7
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
5
Direction of waves offshore
Monday (22 September 2025)
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 Sunny day Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
50%
40%
40%
40%
30%
30%
30%
30%
30%
20%
20%
20%
20%
10%
20%
20%
20%
20%
20%
20%
20%
20%
20%
30%
Temperature (°C)
10°
10°
10°
9°
9°
9°
9°
9°
9°
10°
12°
12°
13°
13°
13°
13°
13°
13°
12°
10°
9°
9°
9°
9°
Feels like temperature (°C)
8°
8°
8°
7°
7°
7°
7°
7°
7°
8°
10°
10°
10°
11°
11°
11°
11°
11°
10°
9°
8°
7°
7°
8°
Wind direction and speed (mph)
NNE
9
N
9
N
9
N
8
N
8
NNE
8
N
8
N
8
NNE
8
N
9
NNE
11
NNE
12
NNE
12
NNE
12
NNE
12
NNE
12
NNE
11
NNE
11
N
9
N
7
N
6
NNE
5
NNE
5
NNE
5
Wind gust (mph)
19
18
17
17
17
17
16
16
20
24
24
25
24
24
24
22
22
20
17
15
14
11
9
8
Visibility (description)
E
E
E
E
E
E
VG
VG
VG
VG
E
E
E
E
E
E
E
E
E
VG
VG
VG
VG
VG
Humidity
83%
83%
81%
83%
83%
83%
83%
81%
78%
73%
64%
57%
56%
54%
52%
52%
54%
56%
62%
73%
79%
80%
82%
84%
UV - - - - - - - 1 1 1 2 3 3 3 3 2 2 1 1 1 - - - -
Wind direction and speed (mph)
10
9
9
9
8
8
8
8
9
10
11
11
12
12
12
12
11
10
9
8
7
6
5
5
Height of waves offshore (m)
0.4
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
Period of waves offshore (s)
5
6
6
6
6
7
7
8
7
7
7
6
6
6
6
6
6
6
6
6
6
6
6
6
Direction of waves offshore
Tuesday (23 September 2025)
Time
00:00
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
20%
20%
20%
10%
10%
10%
<5%
10%
<5%
Temperature (°C)
8°
8°
8°
7°
12°
14°
14°
11°
9°
Feels like temperature (°C)
7°
7°
7°
6°
11°
12°
12°
10°
7°
Wind direction and speed (mph)
NNE
4
NNE
4
NE
4
NE
5
NNE
7
N
10
N
10
NNE
7
NE
5
Wind gust (mph)
8
6
6
6
13
13
13
8
5
Visibility (description)
VG
VG
VG
G
VG
VG
VG
VG
G
Humidity
84%
86%
88%
91%
71%
62%
62%
81%
94%
UV - - - 1 2 3 2 1 -
Wind direction and speed (mph)
4
4
4
5
8
9
10
7
5
Height of waves offshore (m)
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
Period of waves offshore (s)
6
6
10
10
6
6
8
12
12
Direction of waves offshore
Wednesday (24 September 2025)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
<5%
<5%
<5%
<5%
<5%
<5%
<5%
<5%
Temperature (°C)
8°
8°
7°
13°
15°
15°
11°
9°
Feels like temperature (°C)
7°
6°
6°
12°
13°
13°
10°
7°
Wind direction and speed (mph)
E
4
E
4
E
4
E
6
E
8
NE
9
NE
7
E
5
Wind gust (mph)
5
5
5
11
13
12
8
5
Visibility (description)
G
G
G
VG
VG
VG
VG
G
Humidity
96%
96%
97%
76%
63%
62%
84%
93%
UV - - 1 2 3 1 1 -
Wind direction and speed (mph)
4
 – – – – – – –
Height of waves offshore (m)
0.1
 – – – – – – –
Period of waves offshore (s)
12
 – – – – – – –
Direction of waves offshore
–
–
–
–
–
–
–

Tide times

Thursday 18 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 18 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 18 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 18 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 19 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 19 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 19 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 19 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 20 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 20 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 20 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 20 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 21 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 21 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 21 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 21 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 22 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 22 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 22 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 22 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 23 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 23 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 23 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 23 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 24 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 24 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 24 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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 24 September

Tide times and heights are from Llanddwyn Island tidal station which is 1.3 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
News

Unsettled Weather Ahead

Heavy rain, strong winds, and marked temperature contrasts are expected across the UK over the coming days.

Read more

UK video forecast

Llanddwyn (Newborough) weather map

View the weather with our interactive map

Loading map...
Forecast for 14:00, Thu
Updated 11:00 (UTC+1) on Thu 18 Sep 2025
WARNING
Flood alerts icon
Flood alerts in force for Wales
Flood alerts in force for Wales

Natural Resources Wales

Updated:

Wales weather forecast

Headline:

Often cloudy with patchy rain at times.

Today:

A cloudy, damp and mild start to Thursday. Cloud breaking in the east with some brighter spells, but drizzle persisting over the hills in the west. Staying windy and humid. Maximum temperature 20 °C.

Tonight:

Remaining cloudy in the west overnight with drizzle persisting over hills. Drier in the east with a few clear spells. Windy in the northwest, but winds easing elsewhere by dawn. Minimum temperature 12 °C.

Friday:

Cloudy in the west with rain and drizzle, turning heavy at times over hills and mountains. Some brighter and drier intervals in the east. Winds continue to ease. Feeling humid. Maximum temperature 20 °C.

Outlook for Saturday to Monday:

Remaining changeable with showers or longer spells of rain on Saturday. Turning colder through Sunday as showery rain clears southeast, leaving sunny spells and showers on Monday.

Updated:

UK long range weather forecast

More from the Met Office