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

Mostly dry. Low air temperatures (max 6°C on Tue night, min 2°C on Wed afternoon). Mainly fresh winds.

Days 5–7 Weather Summary

Mostly dry. Low air temperatures (max 6°C on Sat morning, min 2°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Some drizzle, heaviest during Wed night. Mild temperatures (max 8°C on Wed night, min 2°C on Tue night). Mainly fresh winds.

Days 11–13 Weather Summary

Moderate rain (total 14mm), heaviest on Sat morning. Very mild (max 10°C on Fri morning, min 4°C on Sun night). Winds increasing (calm on Thu night, near gales from the NW by Sun morning).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sun
4
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
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
5:15PM4.49m
5:47AM4.45m
6:18PM4.62m
6:46AM4.75m
7:17PM4.80m
7:42AM5.01m
8:11PM4.93m
8:34AM5.22m
Low Tide
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
12:04PM1.49m
00:27AM1.33m
1:05PM1.32m
1:31AM1.23m
2:10PM1.13m
2:31AM1.12m
3:09PM0.94m
3:26AM1.02m
4:01PM0.80m
Wave
height (m) 
direction
period (s) 
0.2
ENE
2
0.2
ENE
2
0.2
ENE
2
0.2
ENE
2
0.4
NE
2
0.5
ENE
3
0.4
ENE
3
0.2
ENE
2
0.2
ENE
2
0.2
ENE
2
0.1
NE
2
0.2
ENE
2
0.1
SW
14
0.1
W
13
0.1
W
15
0.1
W
15
0
W
14
0.1
W
14
0.1
W
22
0.2
WSW
19
0.4
W
8
0.2
WSW
16
0.1
W
14
0.5
NW
3
0.8
NW
4
0.8
NW
4
0.3
NW
3
0.4
NW
3
0.5
NW
3
0.5
W
3
0.7
W
4
1.1
WSW
6
1
WSW
6
1.1
W
4
1.4
WNW
5
1.5
WNW
5
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
cloud
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
mod rain
part cloud
light rain
rain showers
rain showers
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
clear
clear
cloudy
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
mod rain
some clouds
light rain
rain shwrs
rain shwrs
 km/h
20
ENE
20
ENE
15
ENE
20
ENE
25
ENE
35
ENE
25
ENE
15
ENE
20
ENE
15
ENE
15
ENE
20
ENE
15
ENE
10
ENE
5
NE
5
E
5
ENE
5
N
5
ENE
5
NE
10
NNW
15
NE
5
NNE
20
NNW
20
NNW
20
NNW
10
NNW
10
NNW
15
NNW
25
WNW
25
W
25
WSW
20
NW
35
WNW
45
NW
50
NW
 mm 
1
1
6
2
2
2
max°C
6
3
3
3
4
4
2
4
5
4
6
6
4
3
4
2
3
4
4
5
7
5
3
6
8
7
8
8
10
9
9
9
9
8
7
5
Moonrise
11:11
11:23
11:34
11:43
11:54
12:08
12:25
12:52
1:32
2:34
3:55
5:27
Moonset
8:49
10:08
11:29
12:51
2:16
3:48
5:22
6:54
8:11
9:07
9:43
Sunrise
8:26
8:26
8:26
8:26
8:26
8:27
8:27
8:27
8:26
8:26
8:26
8:26
Sunset
4:04
4:05
4:05
4:06
4:07
4:07
4:08
4:09
4:10
4:12
4:13
4:15
Today's sea temperature in Barmouth is
9.6° C
(Statistics for 23 Dec 1981-2005 – mean: 10.0 max: 11.2 min: 8.9°C)
Issued (local time): 11 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest