Lleiniog Beach, Penmon (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

Light rain.
Beach safety today
Caution: strong winds may affect your paddling
  • • paddleboarding not recommended for beginners/intermediate
  • • experienced paddlers should use caution

Tide: Next high tide (6.8m) at

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

7 day forecast for Lleiniog Beach, Penmon (Beach)

Today (19 September 2025)
Time
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 Light rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Light rain Heavy rain
Chance of precipitation
80%
60%
70%
60%
60%
70%
80%
90%
90%
≥95%
90%
90%
90%
90%
90%
90%
90%
Temperature
16°
16°
16°
17°
17°
17°
17°
17°
17°
17°
17°
17°
16°
16°
16°
15°
15°
Feels like temperature (°C)
13°
13°
13°
14°
14°
14°
14°
14°
14°
14°
15°
15°
15°
15°
14°
14°
14°
Wind direction and speed
SSW
20
SSW
20
SSW
20
SSW
19
SSW
19
SSW
19
SSW
19
SSW
19
SSW
18
SSW
17
SSW
15
SSW
14
SW
12
SW
10
SW
9
WSW
8
WSW
7
Wind gust (mph)
33
34
34
34
32
31
31
30
30
27
24
21
18
15
13
14
14
Visibility
M
M
G
VG
VG
VG
VG
G
G
M
G
G
G
G
G
M
M
Humidity
90%
90%
87%
86%
86%
85%
85%
85%
86%
86%
89%
91%
92%
92%
93%
93%
92%
UV 1 1 1 2 2 2 3 2 2 1 1 1 1 - - - -
Wind direction and speed
20
20
20
20
19
19
19
18
17
16
15
14
12
10
9
7
6
Height of waves offshore (m)
0.3
0.3
0.3
0.2
0.2
0.2
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.1
0.0
0.0
Period of waves offshore (s)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
10
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 Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Heavy shower day Light shower day Light shower day Light shower day Light shower day Heavy rain Heavy rain Heavy shower night Heavy rain Heavy rain
Chance of precipitation
90%
≥95%
≥95%
≥95%
≥95%
90%
80%
70%
60%
60%
60%
60%
60%
70%
70%
60%
60%
60%
60%
70%
80%
80%
80%
80%
Temperature (°C)
15°
14°
14°
14°
13°
13°
13°
12°
12°
13°
13°
14°
14°
15°
15°
15°
15°
14°
14°
13°
13°
13°
12°
12°
Feels like temperature (°C)
14°
13°
13°
13°
12°
12°
11°
11°
12°
12°
12°
13°
13°
13°
13°
13°
13°
12°
11°
11°
10°
10°
9°
8°
Wind direction and speed (mph)
WSW
6
W
7
WNW
7
WNW
7
W
6
WNW
7
W
7
NW
6
WNW
6
NW
6
N
7
N
8
NNE
10
N
10
NNE
11
NNW
12
N
12
NNW
13
NW
14
NW
15
NW
15
NW
16
NW
18
NNW
20
Wind gust (mph)
13
13
14
13
12
13
12
11
11
9
10
12
12
13
15
17
19
19
21
21
22
24
24
22
Visibility (description)
M
M
M
M
M
M
M
G
VG
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
Humidity
91%
91%
91%
90%
90%
89%
88%
87%
87%
86%
84%
82%
80%
79%
81%
80%
80%
77%
79%
79%
81%
81%
81%
82%
UV - - - - - - 1 1 1 1 1 2 2 2 1 1 1 1 1 1 - - - -
Wind direction and speed (mph)
6
6
6
5
5
6
6
6
6
7
8
9
10
11
12
12
12
13
14
15
15
16
18
20
Height of waves offshore (m)
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.4
0.5
0.6
0.6
0.5
0.5
0.4
0.4
0.4
0.5
0.5
0.4
0.5
0.6
0.6
Period of waves offshore (s)
3
3
4
4
4
4
4
4
4
3
3
3
3
3
3
3
2
2
3
3
3
3
3
2
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 Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light shower day Light shower day Light shower day Sunny intervals Sunny intervals Sunny intervals 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 Partly cloudy night
Chance of precipitation
80%
90%
80%
80%
90%
90%
80%
80%
70%
70%
60%
50%
50%
50%
50%
60%
50%
60%
70%
60%
60%
60%
60%
50%
Temperature (°C)
12°
11°
11°
11°
11°
10°
10°
10°
10°
11°
11°
12°
12°
13°
13°
13°
13°
12°
12°
11°
11°
11°
11°
11°
Feels like temperature (°C)
8°
8°
8°
7°
7°
7°
7°
7°
7°
7°
8°
8°
9°
9°
10°
10°
9°
9°
9°
8°
8°
8°
8°
8°
Wind direction and speed (mph)
NW
20
NW
20
NNW
20
N
21
N
21
N
21
N
21
N
21
N
21
N
20
N
20
N
19
N
18
N
18
N
17
N
17
N
17
N
16
N
16
N
16
N
16
NNE
16
NNE
15
NNE
15
Wind gust (mph)
25
28
33
35
35
36
36
34
34
34
34
33
32
31
31
31
31
31
28
27
28
28
26
25
Visibility (description)
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
Humidity
80%
83%
84%
81%
80%
77%
75%
69%
70%
68%
67%
64%
63%
61%
59%
60%
61%
60%
63%
63%
61%
63%
62%
63%
UV - - - - - - - 1 1 1 2 3 3 3 3 2 2 1 1 1 - - - -
Wind direction and speed (mph)
20
20
21
21
21
21
21
21
20
20
20
19
18
18
17
17
17
17
16
16
16
16
15
15
Height of waves offshore (m)
0.6
0.1
0.1
0.1
0.1
0.3
0.5
0.8
0.9
1.1
1.2
1.1
0.9
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
Period of waves offshore (s)
2
3
4
5
6
5
5
4
5
5
6
6
6
5
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 Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day 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
30%
30%
20%
20%
20%
20%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
20%
20%
20%
30%
30%
30%
Temperature (°C)
10°
10°
10°
10°
10°
9°
9°
9°
10°
11°
12°
12°
13°
13°
13°
13°
13°
13°
13°
12°
11°
11°
11°
11°
Feels like temperature (°C)
7°
7°
7°
7°
7°
7°
6°
6°
7°
8°
9°
10°
10°
11°
11°
11°
11°
11°
11°
10°
9°
9°
9°
9°
Wind direction and speed (mph)
NNE
15
NE
14
NNE
13
NNE
13
NE
13
NNE
12
NNE
12
NNE
12
NNE
12
NNE
12
NNE
13
NNE
13
NNE
13
NNE
12
NNE
12
NNE
11
N
11
N
10
N
10
N
10
N
9
N
9
N
9
N
8
Wind gust (mph)
21
20
21
20
20
19
19
18
19
21
21
22
22
22
21
20
20
18
16
16
16
16
15
15
Visibility (description)
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
Humidity
60%
62%
61%
61%
60%
57%
58%
59%
58%
57%
56%
56%
56%
56%
56%
55%
56%
56%
55%
57%
58%
59%
62%
63%
UV - - - - - - - 1 1 1 2 3 3 3 3 2 1 1 1 1 - - - -
Wind direction and speed (mph)
15
15
14
13
13
12
12
11
12
12
12
12
12
12
12
11
11
10
10
10
9
9
9
8
Height of waves offshore (m)
0.7
0.7
0.7
0.6
0.6
0.6
0.5
0.5
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
Period of waves offshore (s)
5
5
5
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
Direction of waves offshore
Tuesday (23 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 intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
30%
30%
20%
20%
20%
20%
20%
20%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
Temperature (°C)
10°
10°
10°
10°
10°
10°
10°
9°
10°
11°
13°
13°
14°
14°
14°
14°
14°
14°
13°
12°
11°
10°
10°
9°
Feels like temperature (°C)
9°
9°
9°
9°
8°
8°
8°
8°
8°
10°
11°
12°
12°
12°
12°
12°
12°
12°
12°
10°
9°
8°
8°
7°
Wind direction and speed (mph)
WNW
8
NW
7
W
7
WSW
7
W
7
WNW
7
W
7
WNW
7
S
7
N
8
NNE
9
NE
9
NE
10
NNE
10
NNE
10
NNE
10
NNE
10
NNE
9
NNE
9
NNE
8
NE
8
E
8
SSE
7
SSE
7
Wind gust (mph)
14
13
12
11
11
12
11
11
11
11
13
14
15
15
15
15
14
13
11
10
10
9
10
10
Visibility (description)
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
65%
67%
68%
69%
69%
69%
70%
69%
68%
68%
67%
65%
65%
64%
64%
64%
63%
63%
63%
64%
64%
64%
64%
65%
UV - - - - - - - 1 1 1 2 3 3 3 3 2 1 1 1 1 - - - -
Wind direction and speed (mph)
8
7
7
7
7
7
7
7
8
8
9
9
10
10
10
10
9
9
9
8
8
8
7
7
Height of waves offshore (m)
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
Period of waves offshore (s)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Direction of waves offshore
Wednesday (24 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 Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
10%
<5%
10%
<5%
10%
<5%
<5%
<5%
<5%
Temperature (°C)
9°
9°
8°
7°
13°
15°
15°
12°
10°
Feels like temperature (°C)
7°
7°
6°
6°
11°
13°
14°
11°
9°
Wind direction and speed (mph)
SSE
6
SE
6
S
5
SSE
6
ESE
7
E
9
ENE
8
ENE
8
E
6
Wind gust (mph)
10
6
6
6
10
11
9
8
8
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
66%
67%
69%
74%
73%
68%
66%
68%
68%
UV - - - 1 2 4 1 1 -
Wind direction and speed (mph)
6
6
6
6
7
9
8
8
6
Height of waves offshore (m)
0.2
0.2
0.1
0.1
0.1
 – – – –
Period of waves offshore (s)
3
3
3
3
2
 – – – –
Direction of waves offshore
–
–
–
Thursday (25 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
10%
10%
10%
10%
10%
10%
<5%
10%
Temperature (°C)
9°
8°
8°
13°
16°
16°
13°
11°
Feels like temperature (°C)
7°
7°
6°
12°
14°
14°
12°
9°
Wind direction and speed (mph)
ESE
6
SE
6
ESE
6
SE
8
ESE
9
E
9
E
8
ESE
8
Wind gust (mph)
7
7
7
10
11
10
9
8
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
73%
76%
79%
77%
72%
69%
72%
73%
UV - - 1 2 4 1 1 -
Wind direction and speed (mph)
6
 – – – – – – –
Height of waves offshore (m) – – – – – – – –
Period of waves offshore (s) – – – – – – – –
Direction of waves offshore
–
–
–
–
–
–
–
–

Tide times

Friday 19 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 19 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 19 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 19 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 20 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 20 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 20 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 20 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 21 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 21 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 21 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 21 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 22 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 22 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 22 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 22 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 23 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 23 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 23 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 23 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 24 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 24 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 24 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 24 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 25 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 25 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 25 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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 25 September

Tide times and heights are from Trwyn Dinmor tidal station which is 1.8 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
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

Lleiniog Beach, Penmon (Beach) weather map

View the weather with our interactive map

Loading map...
Forecast for 07:00, Fri
Updated 04:00 (UTC+1) on Fri 19 Sep 2025

Wales weather forecast

Headline:

Increasingly wet and windy on Saturday.

Today:

A drier, brighter and warmer day for most with sunny spells, these most prevalent in the east. Rain at times across Anglesey and rain edging into other western regions later, heavy at times. Winds gradually easing. Maximum temperature 21 °C.

Tonight:

Remaining cloudy, with outbreaks of rain and drizzle turning more widespread overnight, perhaps heavy at times. Breezy at times along coasts. Feeling humid. Minimum temperature 15 °C.

Saturday:

Becoming increasingly windy, with strong winds and coastal gales possible, especially later. Cloudy with outbreaks of rain, perhaps heavy at times, giving localised flooding and travel disruption. Maximum temperature 18 °C.

Outlook for Sunday to Tuesday:

Sunny intervals with scattered showers on Sunday. Strong winds gradually easing, but feeling considerably cooler. Much drier from Monday, with plenty of sunny spells, though the odd shower still possible.

Updated:

UK long range weather forecast

More from the Met Office