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 04:50 AM and sunset is at 09:44 PM.

Days 1–3 Weather Summary

Heavy rain (total 20mm), heaviest during Mon night. Warm air temperatures (max 21°C on Sat morning, min 12°C on Sun night). Winds increasing (light winds from the NNE on Sat morning, fresh winds from the SW by Sun afternoon).

Days 4–6 Weather Summary

Heavy rain (total 23mm), heaviest during Tue morning. Cool air temperatures (max 15°C on Tue morning, min 12°C on Wed night). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 17°C on Sat morning, min 13°C on Fri night). Winds decreasing (fresh winds from the SW on Fri morning, light winds from the WSW by Fri night).

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm (max 21°C on Wed afternoon, min 12°C on Tue night). Wind will be generally light.

Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wednesday
2
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
5:11PM4.02m
5:43AM4.32m
6:15PM4.26m
6:44AM4.47m
7:13PM4.50m
7:42AM4.59m
8:08PM4.70m
8:38AM4.66m
9:02PM4.85m
9:32AM4.68m
9:53PM4.94m
10:23AM4.65m
10:41PM4.96m
11:09AM4.56m
11:26PM4.90m
11:53AM4.42m
00:09AM4.75m
12:35PM4.22m
00:50AM4.53m
1:17PM3.99m
1:34AM4.26m
2:02PM3.76m
2:20AM3.98m
Low Tide
12:02PM1.20m
00:30AM1.36m
1:00PM1.14m
1:32AM1.23m
1:59PM1.10m
2:36AM1.10m
2:59PM1.07m
3:37AM0.97m
3:56PM1.04m
4:32AM0.85m
4:47PM1.02m
5:22AM0.78m
5:34PM1.02m
6:07AM0.77m
6:17PM1.06m
6:51AM0.83m
6:57PM1.16m
7:33AM0.97m
7:38PM1.31m
8:16AM1.17m
8:18PM1.50m
9:01AM1.40m
9:00PM1.70m
Wave
height (m) 
direction
period (s) 
0.1
SW
10.0
0.2
WSW
9.0
0.4
SW
3.0
0.9
SW
4.0
1.2
SW
6.0
1.2
WSW
7.0
1.1
WSW
5.0
1.1
SW
5.0
1
SW
6.0
1
WSW
6.0
0.9
SW
6.0
0.8
WSW
6.0
0.6
WSW
6.0
0.5
SW
4.0
0.6
WSW
5.0
0.7
SW
4.0
1.2
WSW
5.0
1.3
WSW
6.0
1.4
WSW
7.0
1.3
WSW
6.0
0.7
SW
7.0
0.4
WSW
6.0
0.4
WSW
5.0
0.6
WSW
4.0
0.7
SW
4.0
0.8
WSW
5.0
0.7
SW
5.0
0.7
SW
4.0
0.9
SW
5.0
0.7
W
4.0
0.6
WNW
4.0
0.4
NNW
2.0
0.2
WSW
9.0
0.1
W
9.0
0.1
W
9.0
0.4
ESE
2.0
cloud
part cloud
part cloud
light rain
rain showers
rain showers
part cloud
part cloud
rain showers
mod rain
cloud
cloud
light rain
part cloud
rain showers
rain showers
rain showers
light rain
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
light rain
part cloud
clear
clear
clear
clear
clear
cloudy
some clouds
some clouds
light rain
rain shwrs
rain shwrs
some clouds
some clouds
rain shwrs
mod rain
cloudy
cloudy
light rain
some clouds
rain shwrs
rain shwrs
rain shwrs
light rain
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
light rain
some clouds
clear
clear
clear
clear
clear
 km/h
5
SW
15
WSW
10
SSW
30
SW
35
SW
30
W
30
W
30
SW
25
SW
25
WSW
20
SW
15
SW
20
SW
20
WSW
15
WSW
25
SW
35
SW
30
SW
30
SW
30
WSW
10
WSW
10
S
15
SW
15
SSW
20
SSW
20
SW
20
SSW
20
SSW
25
SW
20
NW
15
N
15
N
15
E
5
ESE
5
WSW
20
E
 mm 
2
3
2
13
6
1
6
2
3
5
2
max°C
21
20
15
16
15
15
14
15
15
15
15
15
15
15
13
14
15
15
16
16
15
17
17
16
17
17
17
18
17
15
16
18
14
19
21
17
Moonrise
1:47
2:03
2:28
3:04
4:00
5:16
6:43
8:10
9:35
10:53
12:09
1:21
Moonset
5:14
6:50
8:22
9:42
10:40
11:18
11:43
12:00
12:12
12:21
12:30
Sunrise
4:50
4:50
4:52
4:52
4:52
4:52
4:52
4:54
4:54
4:54
4:56
4:56
Sunset
9:44
9:44
9:44
9:44
9:44
9:44
9:44
9:44
9:44
9:43
9:43
9:43
Today's sea temperature in Barmouth is 16.0 °C (Statistics for 21 Jun 1981-2005 – mean: 13.4 max: 14.8 min: 12.1°C)
Issued (local time): 6 am Saturday 21 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest