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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

Sunny intervals changing to heavy showers by early evening.
Beach safety today
Use caution in the sea. Waves can be bigger or stronger than you expect, strong rips likely, strong wind may blow you off course
  • • unsafe for novice surfers
  • • paddle boarding/kayaking not recommended at any level

Tide: Next low tide (0.9m) at

Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
L Pollen

7 day forecast for Barmouth (Beach)

Today (8 September 2025)
Time
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
Weather symbols Sunny intervals Sunny intervals Sunny intervals Light shower day Heavy shower night Light shower night Clear night Clear night
Chance of precipitation
10%
10%
30%
60%
70%
50%
40%
20%
Temperature
16°
16°
16°
15°
14°
13°
13°
13°
Feels like temperature (°C)
13°
13°
13°
12°
12°
11°
10°
10°
Wind direction and speed
SSW
14
SW
15
SW
14
SW
14
SSW
14
S
13
SSE
13
SSE
13
Wind gust (mph)
26
25
23
21
20
20
20
19
Visibility
E
E
E
E
E
E
E
VG
Humidity
69%
66%
66%
67%
68%
69%
73%
76%
UV 2 1 1 1 - - - -
Wind direction and speed
15
15
14
14
14
13
13
13
Height of waves offshore (m)
1.0
1.1
1.1
1.0
1.0
1.0
1.0
0.9
Period of waves offshore (s)
5
5
5
5
5
5
5
9
Direction of waves offshore
Tuesday (9 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 Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
10%
10%
<5%
<5%
20%
20%
10%
10%
<5%
<5%
10%
10%
10%
30%
40%
40%
30%
30%
30%
20%
30%
20%
30%
30%
Temperature (°C)
12°
13°
12°
13°
12°
13°
13°
13°
13°
15°
16°
17°
18°
18°
18°
18°
18°
18°
17°
17°
16°
15°
15°
15°
Feels like temperature (°C)
10°
10°
10°
10°
10°
10°
10°
10°
11°
12°
13°
14°
15°
15°
15°
15°
15°
15°
14°
14°
13°
13°
13°
12°
Wind direction and speed (mph)
SSE
13
SSE
14
SSE
13
SSE
14
SSE
14
SE
14
SE
14
SE
14
SE
14
SE
14
SSE
15
SSE
16
SSE
16
S
16
S
16
SSE
15
SSE
15
SSE
14
SSE
14
SE
14
SE
13
SE
13
SE
14
SE
15
Wind gust (mph)
20
20
20
20
21
21
23
23
24
27
29
30
31
31
30
29
28
27
25
25
26
27
28
28
Visibility (description)
VG
VG
VG
VG
E
VG
VG
VG
VG
VG
VG
VG
VG
E
E
E
E
E
E
E
E
E
E
E
Humidity
77%
76%
76%
76%
76%
76%
76%
76%
75%
75%
74%
67%
66%
65%
64%
65%
66%
67%
69%
72%
73%
74%
75%
76%
UV - - - - - - 1 1 1 2 2 3 3 4 4 3 2 1 1 1 - - - -
Wind direction and speed (mph)
13
13
13
13
13
13
13
13
13
13
14
15
15
16
15
15
14
14
13
13
13
13
14
15
Height of waves offshore (m)
0.9
0.9
0.9
0.8
0.8
0.7
0.8
0.7
0.7
0.8
0.9
1.0
1.0
1.1
1.1
1.1
1.1
1.1
1.2
1.2
1.3
1.3
1.3
1.2
Period of waves offshore (s)
8
8
7
7
5
5
5
5
5
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
Direction of waves offshore
Wednesday (10 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 Light shower night Light rain Light rain Light rain Heavy rain Light rain Light rain Heavy rain Heavy rain Light rain Light rain Light shower day Light shower day Light shower day Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
Chance of precipitation
30%
30%
40%
30%
40%
50%
50%
50%
70%
70%
70%
80%
90%
≥95%
≥95%
90%
80%
70%
50%
50%
50%
50%
40%
50%
Temperature (°C)
15°
15°
15°
15°
14°
15°
14°
14°
14°
15°
15°
16°
16°
16°
16°
16°
16°
16°
16°
16°
16°
16°
15°
15°
Feels like temperature (°C)
12°
12°
12°
12°
12°
12°
12°
12°
12°
12°
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
13°
12°
12°
12°
Wind direction and speed (mph)
SE
15
SE
15
SE
14
SE
14
SE
14
SE
14
SE
15
SE
14
SSE
14
SSE
14
S
14
S
15
S
16
S
16
S
17
S
18
S
18
SSW
18
SSW
18
SW
18
WSW
18
WSW
18
W
18
W
18
Wind gust (mph)
27
26
25
25
24
24
24
23
25
25
26
27
28
29
29
29
31
30
28
28
25
25
24
25
Visibility (description)
E
E
E
E
E
E
E
E
E
E
VG
VG
VG
G
G
G
E
E
E
E
E
E
E
E
Humidity
77%
80%
82%
82%
83%
84%
84%
84%
84%
83%
82%
83%
82%
82%
84%
84%
85%
84%
81%
78%
76%
71%
68%
67%
UV - - - - - - 1 1 1 1 2 2 2 3 2 2 1 1 1 1 - - - -
Wind direction and speed (mph)
15
15
 – –
14
 – –
14
 – –
15
 – –
16
 – –
18
 – –
19
 – –
19
 –
Height of waves offshore (m)
1.2
1.1
 – –
0.9
 – –
0.9
 – –
1.0
 – –
1.2
 – –
1.2
 – –
1.7
 – –
1.4
 –
Period of waves offshore (s)
9
9
 – –
9
 – –
5
 – –
9
 – –
9
 – –
5
 – –
6
 – –
6
 –
Direction of waves offshore
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Thursday (11 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 Light shower night Light shower night Partly cloudy night Light shower night Light shower night Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy 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
Chance of precipitation
40%
50%
50%
50%
50%
60%
70%
80%
80%
80%
80%
80%
70%
70%
80%
80%
70%
70%
70%
70%
70%
60%
60%
60%
Temperature (°C)
15°
14°
14°
14°
14°
14°
13°
13°
13°
13°
14°
14°
15°
15°
15°
15°
15°
15°
15°
14°
14°
14°
14°
14°
Feels like temperature (°C)
11°
11°
11°
11°
11°
10°
10°
10°
10°
10°
11°
11°
12°
11°
12°
11°
11°
11°
11°
11°
11°
11°
10°
10°
Wind direction and speed (mph)
W
18
WSW
17
WSW
17
WSW
17
WSW
17
WSW
17
SW
17
SW
16
SW
16
SW
16
SW
16
SW
16
WSW
16
WSW
17
WSW
18
WSW
19
WSW
19
WSW
20
WSW
19
WSW
18
W
17
W
18
W
18
W
18
Wind gust (mph)
23
22
24
24
21
23
23
24
25
28
30
29
31
33
36
34
35
34
30
27
27
25
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
67%
66%
68%
67%
67%
67%
67%
68%
70%
69%
67%
69%
68%
68%
67%
67%
67%
68%
68%
67%
67%
65%
66%
66%
UV - - - - - - 1 1 1 1 2 3 3 5 4 3 1 1 1 1 - - - -
Wind direction and speed (mph) –
18
 – –
17
 – –
17
 – –
16
 – –
17
 – –
18
 – –
18
 – –
18
 –
Height of waves offshore (m) –
1.5
 – –
1.4
 – –
1.2
 – –
1.1
 – –
1.2
 – –
1.2
 – –
1.3
 – –
1.3
 –
Period of waves offshore (s) –
6
 – –
9
 – –
9
 – –
7
 – –
6
 – –
6
 – –
6
 – –
6
 –
Direction of waves offshore
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Friday (12 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 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 day Light shower day Light shower night Light shower night Light shower night Light shower night
Chance of precipitation
60%
60%
50%
60%
60%
60%
60%
60%
60%
50%
50%
50%
60%
60%
60%
60%
50%
50%
60%
60%
60%
60%
60%
60%
Temperature (°C)
13°
13°
13°
13°
13°
13°
13°
12°
13°
14°
14°
15°
15°
15°
15°
15°
15°
15°
15°
15°
14°
14°
14°
14°
Feels like temperature (°C)
10°
10°
10°
10°
10°
10°
10°
10°
10°
11°
11°
12°
12°
12°
12°
12°
12°
12°
11°
11°
11°
11°
11°
10°
Wind direction and speed (mph)
W
18
W
18
WSW
17
WSW
17
WSW
16
WSW
16
WSW
15
WSW
15
WSW
15
WSW
15
WSW
15
WSW
15
WSW
16
WSW
16
WSW
17
WSW
17
SW
17
WSW
18
SW
18
SW
18
WSW
18
SW
17
SW
17
SW
16
Wind gust (mph)
25
26
25
25
23
22
23
22
23
24
27
28
30
31
30
30
30
30
30
28
26
25
24
24
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
67%
68%
67%
69%
69%
69%
67%
66%
66%
66%
66%
66%
65%
66%
66%
66%
67%
68%
67%
68%
68%
72%
71%
73%
UV - - - - - - 1 1 1 1 3 4 4 4 3 1 2 1 1 1 - - - -
Wind direction and speed (mph) –
17
 – –
16
 – –
14
 – –
15
 – –
17
 – –
17
 – –
18
 – –
16
 –
Height of waves offshore (m) –
1.8
 – –
1.8
 – –
1.4
 – –
1.1
 – –
1.1
 – –
1.1
 – –
1.1
 – –
1.1
 –
Period of waves offshore (s) –
7
 – –
7
 – –
7
 – –
8
 – –
8
 – –
7
 – –
6
 – –
6
 –
Direction of waves offshore
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Saturday (13 September 2025)
Time
00:00
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Light shower night Light shower night Light shower night Light shower day Light shower day Light rain Light rain Light rain Light rain
Chance of precipitation
70%
70%
70%
60%
60%
70%
60%
60%
70%
Temperature (°C)
13°
13°
13°
13°
15°
16°
16°
15°
15°
Feels like temperature (°C)
11°
10°
10°
10°
12°
13°
13°
13°
12°
Wind direction and speed (mph)
SW
16
SW
15
SW
15
SSW
14
SSW
14
SSW
16
SSW
16
SSW
16
SSW
16
Wind gust (mph)
25
29
28
26
27
28
28
27
26
Visibility (description)
E
VG
VG
G
VG
G
G
M
G
Humidity
74%
76%
82%
83%
82%
84%
87%
90%
91%
UV - - - 1 2 2 1 1 -
Wind direction and speed (mph) –
14
14
14
14
14
17
17
17
Height of waves offshore (m) –
1.2
1.2
1.2
1.1
1.1
1.0
0.9
0.8
Period of waves offshore (s) –
6
7
8
8
8
9
8
7
Direction of waves offshore
–
Sunday (14 September 2025)
Time
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
Weather symbols Light rain Light shower night Light shower day Light shower day Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
Chance of precipitation
80%
60%
60%
60%
50%
30%
20%
30%
Temperature (°C)
15°
15°
14°
15°
15°
16°
15°
14°
Feels like temperature (°C)
12°
11°
10°
11°
11°
12°
11°
11°
Wind direction and speed (mph)
SSW
17
SW
19
WSW
19
WSW
19
WSW
21
WSW
20
WSW
19
WSW
18
Wind gust (mph)
24
30
32
35
34
35
33
32
Visibility (description)
M
G
VG
G
VG
VG
VG
VG
Humidity
90%
88%
80%
79%
76%
76%
77%
77%
UV - - 1 2 4 2 1 -
Wind direction and speed (mph)
19
 – – – – – – –
Height of waves offshore (m) – – – – – – – –
Period of waves offshore (s) – – – – – – – –
Direction of waves offshore
–
–
–
–
–
–
–

Tide times

Monday 8 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 8 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 8 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 8 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 9 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 9 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 9 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 9 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 10 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 10 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 10 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 10 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 11 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 11 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 11 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 11 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 12 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 12 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 12 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 12 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 13 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 13 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 13 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 13 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 14 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 14 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 14 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 14 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 explained
News

Wind and rain marking a change in the UK weather

Warnings have been issued as the weather across the UK becomes increasingly mild but wet and windy.

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Forecast for 16:00, Mon
Updated 14:00 (UTC+1) on Mon 8 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:

A day of sunny spells and scattered showers.

Today:

A bright start to the day, with a scattering of showers. Showers becoming more widespread and frequent as the day progresses, some heavy with the risk of thunder. Breezy and feeling a little fresher than the weekend. Maximum temperature 20 °C.

Tonight:

Showers tending to fade away through the evening and overnight. Most places dry with lengthy clear spells developing. Turning a little chilly as winds fall light. Minimum temperature 8 °C.

Tuesday:

A bright start to the morning, though tending to become cloudier from the west as the day progresses. The risk of showers moving into western areas from the afternoon. Breezy. Maximum temperature 20 °C.

Outlook for Wednesday to Friday:

An unsettled period, with sunny spells and frequent blustery showers, some heavy with hail and thunder. Rather breezy throughout and turning a little cooler.

Updated:

UK long range weather forecast

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