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

Overcast.
Beach safety today
Large, powerful waves and strong wind
  • • only experts should take part in water activities

Tide: Next high tide (4.3m) at

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

7 day forecast for Dyffryn (Llanenddwyn) (Beach)

Today (18 September 2025)
Time
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
Chance of precipitation
10%
10%
10%
20%
30%
30%
50%
50%
50%
Temperature
18°
18°
18°
18°
18°
17°
17°
17°
17°
Feels like temperature (°C)
13°
14°
14°
14°
13°
13°
13°
13°
13°
Wind direction and speed
SSW
23
SSW
23
SSW
22
SSW
23
SSW
23
SSW
24
SSW
24
S
24
S
24
Wind gust (mph)
36
36
37
37
36
36
36
36
35
Visibility
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
92%
89%
87%
89%
90%
91%
92%
92%
92%
UV 1 1 1 1 1 - - - -
Wind direction and speed
23
23
22
23
23
24
24
24
24
Height of waves offshore (m)
1.4
1.4
1.4
1.4
1.5
1.5
1.5
1.5
1.4
Period of waves offshore (s)
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 Light rain Light rain 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
Chance of precipitation
50%
50%
50%
50%
60%
50%
60%
70%
70%
70%
70%
70%
80%
70%
50%
60%
60%
60%
60%
70%
60%
60%
60%
70%
Temperature (°C)
17°
17°
17°
17°
17°
17°
17°
16°
16°
16°
16°
17°
17°
17°
17°
17°
17°
17°
16°
16°
16°
15°
15°
15°
Feels like temperature (°C)
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
14°
14°
15°
15°
15°
15°
15°
15°
15°
14°
14°
14°
Wind direction and speed (mph)
S
24
S
24
S
24
S
24
S
24
S
23
S
22
S
21
S
21
S
20
S
19
S
19
S
18
SSW
16
SSW
14
SSW
13
SSW
12
SW
12
SW
11
SW
11
SW
10
SSW
9
S
9
SSE
9
Wind gust (mph)
35
34
34
35
33
31
30
29
28
26
26
26
25
23
21
20
18
15
14
14
13
11
9
10
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
G
G
G
G
VG
VG
VG
VG
VG
VG
G
G
VG
G
M
Humidity
91%
91%
92%
91%
91%
89%
89%
90%
91%
91%
91%
91%
91%
91%
91%
89%
89%
89%
90%
90%
90%
89%
90%
89%
UV - - - - - - 1 1 1 1 1 1 1 2 1 2 1 1 1 1 - - - -
Wind direction and speed (mph)
24
24
24
24
24
23
22
21
21
20
19
19
18
16
14
13
12
12
11
11
10
9
9
9
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 Heavy rain Heavy rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Light rain Heavy rain Heavy rain Heavy shower day Heavy shower day Heavy shower day Light shower day Light shower night Heavy shower night Light rain Light rain Heavy rain
Chance of precipitation
70%
70%
70%
70%
70%
70%
70%
70%
70%
80%
80%
80%
80%
80%
80%
80%
80%
80%
70%
80%
70%
70%
80%
90%
Temperature (°C)
15°
15°
15°
15°
15°
14°
14°
14°
14°
14°
15°
15°
15°
15°
15°
15°
15°
15°
14°
14°
14°
13°
13°
13°
Feels like temperature (°C)
14°
14°
14°
14°
13°
13°
13°
13°
12°
12°
13°
13°
13°
13°
12°
12°
12°
11°
10°
10°
Wind direction and speed (mph)
S
9
SSW
9
E
9
E
9
ENE
9
NE
9
ENE
10
ENE
10
NE
10
NE
12
NE
12
ENE
13
ENE
14
NE
15
NE
17
SSW
19
S
20
SW
22
SW
24
SW
25
WSW
26
W
27
WNW
26
NW
25
Wind gust (mph)
9
9
11
12
13
14
13
16
16
17
17
18
22
25
26
28
29
32
31
30
30
28
29
28
Visibility (description)
M
M
M
M
M
M
M
M
M
M
M
M
M
G
G
VG
VG
E
E
E
E
E
E
E
Humidity
90%
90%
90%
90%
91%
91%
89%
87%
87%
87%
86%
88%
86%
86%
85%
83%
82%
79%
79%
80%
81%
81%
82%
81%
UV - - - - - - - 1 1 1 1 1 1 2 2 2 1 1 1 1 - - - -
Wind direction and speed (mph)
9
9
9
9
9
9
10
10
11
11
12
13
14
15
17
19
20
22
24
25
26
26
26
26
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
0.6
0.8
0.9
0.8
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
6
4
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 Light rain Light rain Heavy rain Heavy rain Light rain Light 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 Partly cloudy night
Chance of precipitation
80%
70%
70%
80%
90%
90%
80%
80%
70%
70%
70%
70%
70%
70%
70%
70%
70%
60%
60%
60%
60%
60%
60%
50%
Temperature (°C)
12°
12°
12°
11°
11°
11°
11°
10°
10°
11°
11°
12°
12°
13°
13°
13°
13°
12°
12°
12°
11°
11°
10°
10°
Feels like temperature (°C)
10°
10°
Wind direction and speed (mph)
NW
25
NW
25
NNW
24
NNW
23
NNW
23
NNW
22
N
21
N
19
N
18
N
18
NNW
18
N
17
N
17
N
17
N
17
N
17
N
16
N
16
N
15
N
15
NNE
15
NNE
14
NNE
14
NNE
14
Wind gust (mph)
28
27
28
26
24
24
26
24
24
26
28
27
28
26
26
26
25
24
21
21
21
21
21
19
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
82%
82%
80%
81%
82%
83%
81%
81%
79%
78%
75%
74%
74%
72%
72%
72%
71%
73%
69%
69%
73%
73%
74%
74%
UV - - - - - - - 1 1 1 2 3 3 3 2 2 1 1 1 1 - - - -
Wind direction and speed (mph)
25
25
24
24
23
22
20
19
19
18
18
18
17
17
17
16
16
16
15
15
15
14
14
13
Height of waves offshore (m)
0.7
0.6
0.7
0.9
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)
6
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 day Sunny day Clear night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
40%
30%
30%
20%
20%
20%
20%
20%
20%
10%
10%
10%
20%
10%
10%
20%
20%
20%
10%
20%
20%
20%
10%
10%
Temperature (°C)
10°
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°
Wind direction and speed (mph)
NNE
13
NNE
12
NNE
11
NNE
11
NNE
11
NNE
11
NNE
11
NNE
11
NNE
11
NNE
11
NNE
13
NNE
14
NNE
14
N
15
N
14
N
15
N
15
N
15
N
15
N
13
NNE
11
NNE
9
NNE
9
NNE
8
Wind gust (mph)
16
15
15
16
16
15
15
15
16
19
21
22
22
22
22
22
22
22
20
18
16
14
13
12
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
74%
74%
74%
74%
74%
74%
73%
73%
73%
71%
66%
63%
57%
57%
54%
52%
53%
56%
57%
59%
63%
65%
65%
65%
UV - - - - - - - 1 1 1 2 3 4 4 3 2 2 1 1 1 - - - -
Wind direction and speed (mph)
13
12
12
12
11
11
11
11
11
12
13
13
14
15
15
15
15
14
14
13
12
10
9
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
10%
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
6
NE
7
N
9
NNW
10
N
11
N
10
NNE
7
Wind gust (mph)
11
10
9
9
11
12
13
10
8
Visibility (description)
E
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
66%
66%
67%
68%
67%
61%
58%
66%
69%
UV - - - 1 2 4 1 1 -
Wind direction and speed (mph)
7
7
6
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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