Barmouth Sea Conditions and Tide Table

Barmouth Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at —.

Days 1–4 Weather Summary

Moderate rain (total 14mm), heaviest on Thu night. Low air temperatures (max 9°C on Thu night, min 6°C on Fri night). Winds decreasing (strong winds from the SW on Thu night, light winds from the ESE by Sun afternoon).

Days 5–7 Weather Summary

Mostly dry. Low air temperatures (max 7°C on Sun night, min 4°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Mild temperatures (max 7°C on Fri morning, min 3°C on Thu afternoon). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 3mm), mostly falling on Mon morning. Temperatures will be slightly above freezing (max 4°C on Tue morning, min 1°C on Sun night). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
7:17PM4.39m
7:41AM4.57m
7:54PM4.46m
8:16AM4.68m
8:30PM4.49m
8:51AM4.76m
9:06PM4.50m
9:27AM4.79m
9:42PM4.48m
10:02AM4.79m
10:18PM4.42m
10:39AM4.76m
10:57PM4.33m
11:18AM4.68m
11:38PM4.22m
12:01PM4.57m
00:24AM4.09m
12:50PM4.44m
1:18AM3.98m
1:48PM4.32m
2:20AM3.92m
2:55PM4.26m
3:32AM4.00m
4:07PM4.33m
Low Tide
2:20AM1.43m
2:39PM1.44m
2:54AM1.39m
3:16PM1.36m
3:30AM1.36m
3:55PM1.29m
4:07AM1.36m
4:33PM1.25m
4:44AM1.38m
5:11PM1.24m
5:21AM1.43m
5:51PM1.27m
6:00AM1.50m
6:34PM1.33m
6:43AM1.61m
7:22PM1.42m
7:34AM1.72m
8:20PM1.51m
8:40AM1.80m
9:27PM1.55m
9:53AM1.78m
10:33PM1.50m
11:01AM1.66m
Wave
height (m) 
direction
period (s) 
1.5
WSW
6
1.8
WSW
8
1.5
WSW
9
1.1
SW
6
1.2
SW
7
1.3
WSW
8
1
WSW
11
0.8
WSW
16
0.6
WSW
16
0.5
WSW
9
0.6
WSW
8
0.4
WSW
9
0.4
SW
8
0.4
SW
7
0.2
WSW
12
0.3
WSW
13
0.4
SSW
4
0.5
E
3
0.4
ENE
3
0.3
ENE
3
0.2
ENE
3
0.2
NNE
3
0.1
SW
8
0.2
W
4
0.4
NE
2
0.4
ENE
3
0.5
E
3
0.4
ENE
2
0.2
WSW
11
0.2
WSW
6
0.1
W
14
0.2
WSW
13
0.2
WSW
12
0.2
ESE
3
0.3
E
2
0.1
W
4
rain showers
rain showers
rain showers
rain showers
part cloud
cloud
light rain
cloud
light rain
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
light rain
light rain
part cloud
cloud
cloud
rain shwrs
rain shwrs
rain shwrs
rain shwrs
some clouds
cloudy
light rain
cloudy
light rain
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
light rain
light rain
some clouds
cloudy
cloudy
 km/h
35
SW
35
WSW
30
SW
15
SSE
30
SSE
35
SE
15
SE
15
E
15
ESE
10
E
10
ESE
10
E
15
ENE
10
ENE
10
ENE
20
ENE
20
ENE
25
ENE
25
ENE
20
ENE
15
NE
15
ENE
10
NNE
10
NNW
25
NE
25
ENE
25
ENE
25
E
15
ENE
10
ENE
10
ENE
10
E
10
E
15
E
15
ENE
10
NE
 mm 
5
3
2
1
2
1
1
1
max°C
9
9
9
8
9
9
8
9
8
7
7
7
6
7
7
7
6
6
5
5
5
5
7
7
7
5
3
3
3
3
2
2
2
3
4
3
Moonrise
8:35
9:28
10:08
10:36
10:56
11:11
11:23
11:34
11:43
11:54
12:08
12:25
Moonset
2:51
3:45
4:53
6:09
7:29
8:49
10:08
11:29
12:51
2:16
3:48
Sunrise
8:23
8:25
8:25
8:26
8:26
8:26
8:26
8:26
8:26
8:26
8:27
8:27
Sunset
4:00
4:01
4:01
4:02
4:02
4:04
4:05
4:05
4:06
4:07
4:07
4:08
Today's sea temperature in Barmouth is
9.4° C
(Statistics for 18 Dec 1981-2005 – mean: 10.2 max: 11.2 min: 9.3°C)
Issued (local time): 11 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest