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Dyffryn (Llanenddwyn) (Beach) (Gwynedd) 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 (1.5m) at

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

7 day forecast for Dyffryn (Llanenddwyn) (Beach)

Today (18 September 2025)
Time
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 Overcast Light rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
Chance of precipitation
40%
70%
50%
20%
10%
10%
20%
30%
30%
30%
40%
40%
Temperature
17°
17°
17°
18°
18°
18°
18°
18°
17°
17°
17°
17°
Feels like temperature (°C)
13°
13°
13°
14°
14°
14°
14°
13°
13°
13°
13°
13°
Wind direction and speed
SW
22
SW
24
SSW
23
SSW
23
SSW
23
SSW
23
SSW
23
SSW
23
SSW
23
S
24
S
24
S
25
Wind gust (mph)
37
37
36
36
37
37
36
35
36
36
35
36
Visibility
M
M
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
96%
95%
93%
90%
86%
86%
86%
88%
90%
91%
91%
91%
UV 1 1 1 1 1 1 1 1 - - - -
Wind direction and speed
22
24
23
23
23
23
23
23
23
24
24
25
Height of waves offshore (m)
1.1
1.3
1.4
1.4
1.4
1.4
1.4
1.5
1.5
1.5
1.5
1.4
Period of waves offshore (s)
11
5
6
6
6
7
7
8
8
8
8
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 Overcast Overcast Light 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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain
Chance of precipitation
40%
50%
50%
60%
50%
50%
70%
70%
70%
70%
80%
80%
80%
70%
70%
70%
70%
70%
80%
80%
70%
70%
70%
70%
Temperature (°C)
17°
17°
17°
17°
17°
17°
16°
16°
16°
16°
16°
16°
17°
17°
17°
17°
17°
17°
16°
16°
16°
16°
15°
15°
Feels like temperature (°C)
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
14°
14°
14°
15°
15°
15°
15°
15°
15°
15°
15°
15°
Wind direction and speed (mph)
S
25
S
25
S
24
S
24
S
23
S
23
S
22
S
21
S
20
S
20
S
19
S
18
SSW
17
SSW
16
SSW
15
SSW
14
SSW
12
SSW
11
SSW
11
SW
9
SSW
8
SSW
7
S
6
S
7
Wind gust (mph)
36
34
34
34
32
31
30
29
28
26
26
26
25
23
22
19
16
14
11
11
11
11
9
9
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
G
G
G
G
G
G
G
G
G
M
M
G
M
M
Humidity
91%
91%
90%
91%
90%
88%
89%
89%
91%
92%
91%
92%
92%
92%
91%
91%
92%
92%
92%
92%
92%
92%
92%
90%
UV - - - - - - 1 1 1 1 1 1 1 1 1 2 1 1 1 1 - - - -
Wind direction and speed (mph)
25
25
24
24
24
23
23
22
20
19
18
17
16
16
15
13
12
11
11
9
8
7
6
7
Height of waves offshore (m)
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.5
1.5
1.4
1.3
1.3
1.2
1.1
1.1
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.9
0.9
Period of waves offshore (s)
7
7
7
7
8
8
8
9
9
9
9
9
9
9
9
9
9
9
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 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 shower day Light shower day Light shower day Light rain Light rain Heavy rain Heavy rain Light rain Heavy rain
Chance of precipitation
60%
60%
60%
50%
60%
60%
60%
60%
70%
80%
90%
90%
70%
80%
70%
70%
70%
70%
70%
80%
90%
80%
80%
90%
Temperature (°C)
15°
15°
15°
15°
15°
15°
15°
15°
15°
15°
15°
15°
16°
16°
16°
16°
16°
15°
15°
14°
14°
13°
13°
13°
Feels like temperature (°C)
14°
14°
14°
14°
14°
13°
13°
13°
13°
13°
13°
13°
14°
14°
14°
13°
12°
12°
11°
10°
Wind direction and speed (mph)
S
7
S
7
ESE
7
E
7
ENE
8
ENE
9
ESE
9
E
9
E
10
E
10
E
10
ESE
11
ESE
12
E
14
SE
16
SSE
18
SSW
21
SSW
22
SSW
23
SSW
25
SSW
27
SW
28
W
28
W
28
Wind gust (mph)
9
10
11
11
13
14
16
16
15
15
15
16
17
19
21
22
21
24
30
30
30
30
33
30
Visibility (description)
M
G
M
G
G
G
G
G
G
M
M
M
G
VG
VG
E
E
E
E
E
E
E
E
E
Humidity
90%
90%
90%
90%
89%
89%
88%
86%
86%
86%
86%
87%
87%
86%
84%
83%
82%
82%
82%
81%
84%
83%
83%
83%
UV - - - - - - - 1 1 1 1 1 1 2 2 2 1 1 1 1 - - - -
Wind direction and speed (mph)
7
7
7
7
8
8
9
9
10
10
10
12
13
14
16
18
21
22
23
25
26
27
28
27
Height of waves offshore (m)
0.8
0.7
0.6
0.6
0.5
0.5
0.5
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
0.8
1.2
1.7
1.6
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
6
7
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 Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light shower day Light shower day Light shower day Light shower day Light shower day Heavy shower day Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Partly cloudy night Partly cloudy night
Chance of precipitation
90%
80%
80%
80%
80%
80%
80%
80%
80%
80%
70%
70%
80%
80%
80%
80%
80%
70%
70%
60%
60%
50%
50%
50%
Temperature (°C)
12°
12°
12°
11°
11°
11°
11°
11°
11°
11°
12°
12°
12°
12°
12°
13°
12°
12°
12°
11°
11°
10°
10°
10°
Feels like temperature (°C)
10°
10°
10°
Wind direction and speed (mph)
W
27
WNW
27
NW
25
NW
25
NW
25
NW
24
NW
24
NW
22
NW
21
NW
19
NNW
18
NNW
17
NNW
17
NNW
16
NNW
15
N
15
N
14
N
15
N
15
N
15
N
15
NNE
14
NNE
14
NNE
14
Wind gust (mph)
30
32
28
28
26
26
29
28
26
27
28
25
24
26
26
24
24
23
21
18
17
18
17
18
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
83%
83%
82%
83%
83%
84%
83%
83%
82%
79%
76%
76%
72%
73%
74%
72%
73%
72%
73%
72%
73%
73%
73%
74%
UV - - - - - - - 1 1 1 2 3 3 3 2 2 1 1 1 1 - - - -
Wind direction and speed (mph)
27
27
26
26
25
24
23
22
21
19
18
17
17
16
16
15
14
15
15
15
15
15
14
14
Height of waves offshore (m)
1.5
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.6
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
Period of waves offshore (s)
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
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 intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
40%
30%
30%
30%
20%
20%
20%
20%
20%
20%
20%
20%
10%
10%
20%
10%
10%
10%
10%
10%
10%
10%
10%
20%
Temperature (°C)
10°
10°
10°
11°
12°
13°
13°
14°
14°
14°
13°
12°
11°
10°
Feels like temperature (°C)
10°
10°
10°
11°
11°
11°
10°
10°
Wind direction and speed (mph)
NNE
14
NNE
13
NNE
12
NNE
12
NNE
12
NNE
12
NNE
12
NNE
11
NNE
11
NNE
11
NNE
12
NNE
13
N
14
N
14
N
15
N
15
N
15
N
15
N
14
N
13
NNE
11
NNE
9
NNE
8
NNE
8
Wind gust (mph)
15
15
16
16
16
15
15
15
15
17
19
21
24
24
24
24
23
22
17
16
14
14
12
11
Visibility (description)
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
VG
VG
VG
Humidity
75%
75%
74%
74%
74%
74%
74%
74%
74%
72%
67%
64%
59%
57%
55%
54%
54%
56%
57%
58%
62%
64%
65%
65%
UV - - - - - - - 1 1 1 2 3 4 4 3 2 2 1 1 1 - - - -
Wind direction and speed (mph)
14
13
13
12
12
12
12
11
12
12
12
13
14
14
15
15
15
14
13
13
11
10
8
8
Height of waves offshore (m)
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Period of waves offshore (s)
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
7
7
9
11
13
13
13
13
13
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 Sunny intervals Cloudy Cloudy Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
20%
10%
10%
10%
10%
10%
<5%
<5%
<5%
Temperature (°C)
12°
14°
14°
12°
Feels like temperature (°C)
10°
12°
12°
10°
Wind direction and speed (mph)
NNE
7
NNE
7
NE
7
NE
7
NNW
9
N
10
N
11
N
10
NNE
7
Wind gust (mph)
10
10
9
8
11
12
13
10
8
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
65%
66%
67%
68%
67%
61%
58%
66%
69%
UV - - - 1 2 4 1 1 -
Wind direction and speed (mph)
7
7
7
7
9
10
11
10
7
Height of waves offshore (m)
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Period of waves offshore (s)
13
13
13
13
13
13
13
13
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 Cloudy Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
<5%
<5%
<5%
<5%
<5%
<5%
<5%
<5%
Temperature (°C)
13°
15°
15°
12°
10°
Feels like temperature (°C)
11°
13°
13°
10°
Wind direction and speed (mph)
NNE
6
NE
6
ENE
6
ENE
8
E
9
N
8
NE
8
ENE
6
Wind gust (mph)
7
6
6
9
10
10
9
6
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
72%
74%
74%
73%
65%
63%
68%
69%
UV - - 1 2 4 2 1 -
Wind direction and speed (mph)
6
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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 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 Barmouth tidal station which is 5.7 miles away. So times may be different at this beach. What does this mean?

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

Dyffryn (Llanenddwyn) (Beach) weather map

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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

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