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 04:05 PM.

Days 1–4 Weather Summary

Mostly dry. Low air temperatures (max 6°C on Sat morning, min 1°C on Thu night). Winds decreasing (fresh winds from the ENE on Thu afternoon, light winds from the ENE by Sun morning).

Days 5–7 Weather Summary

Mostly dry. Low air temperatures (max 6°C on Wed morning, min 1°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

A dusting of snow giving way to moderate rain (total 10mm) heaviest on Fri afternoon. Mild temperatures (max 9°C on Fri night, min 1°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the WNW by Fri night).

Days 11–13 Weather Summary

Heavy rain (total 22mm), heaviest during Mon night. Mild temperatures (max 8°C on Sat afternoon, min 3°C on Sun night). Winds decreasing (fresh winds from the NW on Sat night, light winds from the E by Sun night).

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
AM
Wave Height Map
High Tide
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
9:01PM5.00m
9:22AM5.33m
9:47PM4.98m
10:06AM5.33m
Low Tide
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
4:14AM0.95m
4:47PM0.72m
4:58AM0.94m
Wave
height (m) 
direction
period (s) 
0.6
ENE
3
0.5
E
3
0.2
ENE
2
0.2
ENE
2
0.1
NE
2
0.2
ENE
2
0.2
ENE
2
0.3
E
2
0.1
W
7
0.1
W
17
0.1
W
16
0.1
W
14
0
W
14
0.1
SE
3
0.1
W
18
0.1
W
16
0.1
W
15
0.1
W
14
0.5
WNW
3
0.7
NW
4
0.4
NNW
3
0.4
NW
3
0.1
SW
9
0.4
W
4
0.7
WSW
4
1.2
WSW
6
0.9
WNW
4
0.8
W
4
0.8
W
4
0.9
WNW
4
0.4
WNW
4
0.1
SW
9
0.2
WSW
9
0.9
SSW
4
1.4
SW
7
0.8
WSW
8
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
cloud
rain showers
part cloud
clear
clear
snow showers
cloud
light rain
light rain
part cloud
light rain
light rain
rain showers
part cloud
part cloud
cloud
light rain
heavy rain
rain showers
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
cloudy
rain shwrs
some clouds
clear
clear
snow shwrs
cloudy
light rain
light rain
some clouds
light rain
light rain
rain shwrs
some clouds
some clouds
cloudy
light rain
heavy rain
rain shwrs
 km/h
35
ENE
30
ENE
15
ENE
15
ENE
15
ENE
15
ENE
20
ENE
15
ENE
10
ENE
10
ENE
10
ENE
10
ENE
5
NE
10
ENE
10
ENE
5
NNE
0
NNE
5
NE
20
NW
20
NNW
10
N
10
NNW
0
ESE
10
W
25
W
35
NW
30
NW
25
NW
25
WNW
20
N
15
N
10
NE
10
SE
25
S
30
SSE
25
NW
 mm 
1
2
3
4
1
3
1
1
15
1
max°C
4
3
4
4
3
6
5
5
3
4
2
3
4
5
5
5
5
6
7
6
5
5
4
7
8
9
8
8
8
8
6
3
4
4
8
8
Moonrise
11:34
11:43
11:54
12:08
12:25
12:52
1:32
2:34
3:55
5:27
6:59
Moonset
10:08
11:29
12:51
2:16
3:48
5:22
6:54
8:11
9:07
9:43
10:06
10:23
Sunrise
8:26
8:26
8:26
8:27
8:27
8:27
8:26
8:26
8:26
8:26
8:26
8:26
Sunset
4:05
4:05
4:06
4:07
4:07
4:08
4:09
4:10
4:12
4:13
4:15
4:15
Today's sea temperature in Barmouth is
9.8° C
(Statistics for 25 Dec 1981-2005 – mean: 9.8 max: 10.7 min: 8.8°C)
Issued (local time): 5 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest