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 08:23 AM and sunset is at 04:00 PM.

Days 1–3 Weather Summary

Moderate rain (total 11mm), heaviest on Sun afternoon. Low air temperatures (max 9°C on Fri morning, min 6°C on Fri night). Winds decreasing (fresh winds from the SE on Sat night, calm by Sun night).

Days 4–6 Weather Summary

Mostly dry. Low air temperatures (max 8°C on Mon morning, min 3°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 7°C on Sat afternoon, min 2°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Mild temperatures (max 8°C on Tue morning, min 3°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
Tuesday
30
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
night
Wave Height Map
High Tide
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
4:43AM4.20m
Low Tide
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
11:35PM1.41m
Wave
height (m) 
direction
period (s) 
1.7
WSW
8
1.5
WSW
7
1.1
SW
6
1
WSW
7
1.2
SW
8
1
WSW
10
0.8
WSW
16
0.6
WSW
16
0.4
WSW
9
0.4
WSW
9
0.5
SW
8
0.5
SW
5
0.4
SW
6
0.3
WSW
10
0.4
WSW
15
0.4
WSW
9
0.4
SW
5
0.4
SW
6
0.2
WSW
8
0.2
WSW
8
0.1
SW
9
0.2
ENE
2
0.4
NE
3
0.4
NE
3
0.3
NE
2
0.3
NE
2
0.3
NE
2
0.3
NE
2
0.3
ENE
2
0.1
W
15
0.1
W
14
0.1
W
13
0.2
NNW
2
0.2
N
2
0.3
NNE
2
0.3
NNE
2
rain showers
rain showers
clear
clear
cloud
rain showers
cloud
light rain
light rain
cloud
cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
rain shwrs
rain shwrs
clear
clear
cloudy
rain shwrs
cloudy
light rain
light rain
cloudy
cloudy
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
 km/h
35
WSW
30
SW
15
SSE
20
SE
35
SE
25
SE
15
E
10
ENE
0
SSE
10
E
15
SE
15
E
15
ENE
15
ENE
10
NE
20
ENE
20
ENE
15
ENE
15
NE
15
NE
10
ENE
20
ENE
20
ENE
25
ENE
20
NE
15
NE
20
NE
25
NE
15
ENE
10
ENE
10
NE
10
NNE
10
NNE
10
NNE
20
NNE
20
NNE
 mm 
3
2
1
3
2
max°C
9
9
9
9
8
9
9
8
8
8
8
6
7
8
7
6
6
4
4
4
3
5
6
6
6
7
7
6
6
3
4
6
6
8
7
6
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
9.6° C
(Statistics for 19 Dec 1981-2005 – mean: 10.2 max: 11.2 min: 9.3°C)
Issued (local time): 5 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest