Barmouth (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

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

7 day forecast for Barmouth (Beach)

Today (17 September 2025)
Time
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 Light rain Overcast Cloudy Sunny intervals Cloudy Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
≥95%
90%
90%
≥95%
≥95%
≥95%
90%
80%
50%
30%
20%
20%
10%
10%
10%
10%
10%
10%
10%
20%
Temperature
14°
14°
15°
16°
16°
17°
17°
17°
17°
18°
18°
18°
17°
17°
16°
16°
16°
15°
15°
15°
Feels like temperature (°C)
10°
10°
10°
11°
11°
12°
13°
13°
14°
14°
14°
14°
14°
13°
13°
13°
12°
12°
12°
12°
Wind direction and speed
SSE
20
S
24
S
27
SSW
27
SSW
27
SW
26
SW
24
SW
23
SW
21
SW
21
SW
20
SW
20
SW
20
SW
20
SW
19
SW
19
SW
18
SW
18
SW
17
SW
17
Wind gust (mph)
37
43
44
43
42
40
39
37
36
36
36
36
36
34
32
31
29
29
28
27
Visibility
P
P
M
M
M
M
M
G
E
E
E
E
E
E
E
E
E
E
E
E
Humidity
90%
90%
90%
92%
93%
92%
93%
93%
93%
93%
92%
88%
89%
86%
85%
85%
85%
85%
85%
85%
UV - - 1 1 1 1 1 2 2 3 3 2 2 1 1 1 - - - -
Wind direction and speed
20
24
27
27
27
26
24
23
22
21
21
20
20
20
20
19
18
18
18
17
Height of waves offshore (m)
1.0
1.1
1.4
1.8
2.1
2.2
2.2
2.2
2.1
2.1
2.1
2.2
2.2
2.3
2.2
2.2
2.1
2.0
1.9
1.8
Period of waves offshore (s)
5
5
5
6
7
8
8
8
8
8
9
9
9
9
10
10
10
10
10
7
Direction of waves offshore
Thursday (18 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 Cloudy Overcast Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
Chance of precipitation
20%
20%
40%
60%
60%
70%
70%
70%
80%
80%
70%
60%
60%
60%
40%
40%
40%
30%
30%
40%
40%
30%
30%
20%
Temperature (°C)
15°
15°
15°
15°
15°
15°
16°
16°
16°
16°
17°
17°
17°
18°
18°
18°
18°
18°
18°
18°
18°
18°
17°
17°
Feels like temperature (°C)
12°
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
14°
14°
14°
14°
14°
14°
15°
15°
15°
14°
14°
14°
Wind direction and speed (mph)
SW
17
SW
15
SW
14
SW
12
SW
13
SW
14
SSW
15
SSW
15
SSW
17
SSW
19
SSW
20
SSW
21
SSW
22
SSW
22
SSW
21
SSW
21
SSW
21
SSW
20
SSW
20
SSW
19
SSW
18
SSW
18
SSW
18
SSW
19
Wind gust (mph)
25
24
22
21
20
19
21
21
25
33
34
36
38
37
37
37
37
36
36
33
32
32
32
32
Visibility (description)
E
E
E
E
E
VG
G
G
G
G
G
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
85%
85%
85%
86%
87%
91%
93%
95%
96%
95%
95%
92%
91%
89%
90%
88%
87%
89%
90%
90%
91%
90%
89%
89%
UV - - - - - - 1 1 1 1 1 2 1 2 1 1 1 1 1 1 - - - -
Wind direction and speed (mph)
16
15
14
13
13
14
16
17
18
20
21
22
22
22
22
21
21
21
20
20
19
19
19
19
Height of waves offshore (m)
1.6
1.5
1.4
1.3
1.3
1.3
1.3
1.5
1.7
1.8
1.9
1.9
1.9
1.9
1.9
1.8
1.8
1.9
1.9
1.9
1.9
1.9
1.8
1.7
Period of waves offshore (s)
6
6
6
10
11
11
11
11
11
6
6
7
7
7
7
7
8
8
9
9
9
9
9
9
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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast 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%
20%
20%
20%
30%
30%
40%
40%
40%
50%
50%
50%
50%
60%
70%
70%
70%
60%
60%
60%
60%
70%
70%
Temperature (°C)
17°
17°
17°
17°
17°
17°
17°
16°
16°
16°
17°
17°
17°
18°
18°
17°
17°
17°
16°
16°
16°
16°
16°
15°
Feels like temperature (°C)
14°
14°
14°
14°
14°
13°
13°
13°
13°
13°
14°
14°
15°
15°
15°
15°
15°
15°
15°
14°
14°
14°
14°
14°
Wind direction and speed (mph)
SSW
19
SSW
18
S
18
S
18
S
19
S
20
S
19
S
19
S
19
S
18
S
17
S
17
S
16
SSW
16
SSW
15
SSW
14
SSW
14
SSW
13
SSW
13
SSW
13
SSW
12
SSW
11
SSW
10
SW
10
Wind gust (mph)
34
32
32
32
34
33
32
31
30
29
28
29
27
28
27
26
22
21
23
20
16
15
15
16
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
E
Humidity
90%
88%
86%
86%
86%
86%
87%
87%
87%
87%
86%
87%
87%
87%
88%
88%
90%
90%
91%
90%
91%
90%
89%
88%
UV - - - - - - 1 1 1 1 1 1 2 2 1 1 1 1 1 1 - - - -
Wind direction and speed (mph)
19
19
19
19
19
19
19
19
18
17
17
16
16
16
15
15
14
14
14
13
13
12
11
10
Height of waves offshore (m)
1.7
1.6
1.6
1.7
1.7
1.7
1.7
1.7
1.6
1.4
1.2
1.2
1.2
1.2
1.1
1.1
1.1
1.1
1.0
1.0
1.0
0.9
0.9
0.9
Period of waves offshore (s)
8
8
8
8
9
9
9
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 Light rain Light rain Light rain Light shower day Light shower day Light shower day Light shower day Light shower day Sunny intervals Sunny intervals Partly cloudy night Light shower night Light shower night Light shower night Light shower night
Chance of precipitation
60%
60%
60%
60%
50%
50%
50%
60%
50%
60%
50%
60%
60%
60%
70%
60%
50%
50%
50%
50%
60%
60%
60%
60%
Temperature (°C)
15°
15°
15°
14°
14°
14°
14°
14°
13°
14°
14°
15°
15°
15°
15°
15°
15°
15°
14°
14°
13°
13°
13°
12°
Feels like temperature (°C)
13°
13°
13°
13°
13°
13°
12°
12°
12°
12°
12°
13°
13°
12°
13°
12°
12°
12°
12°
11°
11°
10°
10°
Wind direction and speed (mph)
SSW
10
SW
9
SW
9
WSW
9
WSW
9
WSW
9
SW
9
SW
10
WSW
10
WSW
10
W
11
W
11
WSW
12
W
13
W
13
W
15
WNW
14
W
14
W
14
W
14
W
14
WNW
14
NW
14
NNW
15
Wind gust (mph)
12
12
13
13
13
12
10
11
11
13
15
15
15
17
20
21
21
17
18
18
18
19
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
88%
89%
87%
84%
84%
84%
84%
84%
84%
83%
81%
81%
82%
81%
81%
77%
77%
75%
75%
75%
74%
76%
80%
78%
UV - - - - - - 1 1 1 1 1 2 2 3 2 2 1 1 1 1 - - - -
Wind direction and speed (mph)
10
10
9
9
9
9
10
10
10
10
11
11
12
13
13
14
14
14
14
14
14
14
14
14
Height of waves offshore (m)
0.8
0.8
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
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
7
6
4
4
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 shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower day Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy 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
60%
60%
60%
60%
60%
60%
60%
50%
50%
40%
40%
40%
40%
40%
40%
50%
40%
40%
30%
40%
30%
30%
30%
20%
Temperature (°C)
12°
12°
12°
11°
11°
11°
10°
10°
10°
11°
12°
12°
13°
13°
13°
13°
13°
13°
12°
12°
11°
10°
10°
Feels like temperature (°C)
10°
10°
10°
10°
10°
10°
10°
10°
Wind direction and speed (mph)
N
15
N
14
N
14
NNE
14
NNE
14
N
14
N
14
N
14
NNE
14
N
14
N
14
N
15
N
15
N
15
NNW
15
N
16
N
15
N
14
N
14
NNE
13
NNE
12
NNE
11
NE
11
NE
10
Wind gust (mph)
19
17
17
18
19
20
19
19
18
21
21
21
25
25
27
26
25
25
21
19
19
19
17
17
Visibility (description)
E
E
E
E
E
E
E
E
E
E
E
E
E
E
VG
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
78%
79%
78%
77%
78%
77%
78%
78%
77%
75%
75%
73%
70%
69%
67%
68%
67%
66%
67%
68%
69%
70%
70%
70%
UV - - - - - - - 1 1 1 2 3 3 4 3 2 2 1 1 1 - - - -
Wind direction and speed (mph)
14
14
14
14
14
14
14
14
14
14
15
15
15
15
15
15
15
14
14
13
12
12
11
10
Height of waves offshore (m)
0.4
0.4
0.5
0.5
0.6
0.7
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.4
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
Monday (22 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 Sunny intervals Cloudy Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
20%
10%
<5%
<5%
<5%
<5%
<5%
<5%
<5%
Temperature (°C)
12°
14°
14°
11°
Feels like temperature (°C)
10°
11°
12°
Wind direction and speed (mph)
NE
10
NE
10
ENE
10
NNE
9
NE
10
NNE
11
NNE
10
NNE
10
NNE
8
Wind gust (mph)
15
16
14
14
16
15
15
15
12
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
70%
70%
71%
71%
67%
59%
57%
60%
65%
UV - - - 1 2 4 2 1 -
Wind direction and speed (mph)
10
10
10
9
10
11
10
10
8
Height of waves offshore (m)
0.4
0.4
0.4
0.3
0.3
Period of waves offshore (s)
3
3
3
3
2
Direction of waves offshore
Tuesday (23 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%
10%
10%
10%
10%
<5%
Temperature (°C)
12°
14°
14°
12°
Feels like temperature (°C)
10°
12°
13°
10°
Wind direction and speed (mph)
NE
7
NE
7
NE
7
NE
9
NE
10
NNE
10
NNE
9
NE
7
Wind gust (mph)
10
10
10
13
13
13
11
9
Visibility (description)
VG
VG
VG
VG
VG
VG
VG
VG
Humidity
68%
69%
71%
70%
64%
64%
67%
71%
UV - - 1 2 4 1 1 -
Wind direction and speed (mph)
7
Height of waves offshore (m)
Period of waves offshore (s)
Direction of waves offshore

Tide times

Wednesday 17 September

Tide times and heights are from Barmouth tidal station which is 0.4 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 17 September

Tide times and heights are from Barmouth tidal station which is 0.4 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 17 September

Tide times and heights are from Barmouth tidal station which is 0.4 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 17 September

Tide times and heights are from Barmouth tidal station which is 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 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 0.4 miles away. So times may be different at this beach. What does this mean?

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

UK video forecast

Barmouth (Beach) weather map

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WARNING
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Flood alerts in force for Wales
Flood alerts in force for Wales

Wales weather forecast

Headline:

Heavy and persistent rain.

Today:

Heaviest and most persistent rain clearing eastwards through the morning, though remaining cloudy with outbreaks of patchy rain and drizzle throughout the day, turning heavy at times over the hills. Breezy. Maximum temperature 19 °C.

Tonight:

Rain persisting throughout this evening and overnight, this turning heavy at times especially over the hills and mountains. Windy for all, especially along the coasts, and feeling humid. Minimum temperature 8 °C.

Thursday:

A cloudy, damp and mild start to Thursday. Cloud breaking in the east but drizzle persisting over the hills in the west. Staying windy. Maximum temperature 18 °C.

Outlook for Friday to Sunday:

Remaining changeable with showers or longer spells of rain at times. Some brighter periods are also likely, mainly on Friday. Temperatures close to average but turning colder later Sunday. Breezy.

Updated:

UK long range weather forecast

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