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

Heavy rain (total 51mm), heaviest during Sun afternoon. Cool air temperatures (max 11°C on Fri afternoon, min 7°C on Thu night). Winds decreasing (near gales from the SSE on Fri afternoon, light winds from the SE by Sat night).

Days 5–7 Weather Summary

Heavy rain (total 68mm), heaviest during Tue afternoon. Cool air temperatures (max 13°C on Tue morning, min 9°C on Sun night). Mainly fresh winds.

Days 8–10 Weather Summary

Moderate rain (total 16mm), heaviest on Fri morning. Very mild (max 12°C on Thu morning, min 8°C on Wed night). Mainly fresh winds.

Days 11–13 Weather Summary

Heavy rain (total 22mm), heaviest during Tue morning. Very mild (max 11°C on Sat night, min 8°C on Mon afternoon). Winds increasing (light winds from the W on Mon morning, near gales from the WSW by Tue afternoon).

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tue
16
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
7:23PM5.22m
7:47AM5.24m
8:15PM5.22m
8:38AM5.30m
9:06PM5.12m
9:28AM5.27m
9:58PM4.94m
10:18AM5.15m
10:48PM4.71m
11:07AM4.96m
11:37PM4.43m
11:56AM4.71m
00:27AM4.14m
12:47PM4.44m
1:20AM3.87m
1:42PM4.17m
2:21AM3.69m
2:45PM3.99m
3:33AM3.66m
3:58PM3.95m
4:43AM3.80m
5:02PM4.04m
5:37AM4.01m
5:54PM4.17m
Low Tide
2:42AM0.98m
3:13PM0.95m
3:31AM1.00m
4:03PM0.91m
4:19AM1.05m
4:53PM0.92m
5:06AM1.16m
5:41PM1.01m
5:53AM1.31m
6:32PM1.16m
6:41AM1.50m
7:26PM1.35m
7:35AM1.71m
8:27PM1.53m
8:37AM1.88m
9:37PM1.64m
9:49AM1.96m
10:47PM1.66m
11:01AM1.93m
11:46PM1.62m
12:00PM1.84m
00:34AM1.57m
12:48PM1.73m
Wave
height (m) 
direction
period (s) 
0.8
WSW
10
0.8
WSW
8
1.7
S
5
2.1
WSW
10
2.2
WSW
12
2.3
WSW
13
1.5
WSW
14
0.8
WSW
11
0.8
WSW
10
1
WSW
8
1.4
SW
6
1
WSW
11
1
WSW
17
0.9
WSW
17
1.1
WSW
14
1
WSW
13
0.9
WSW
13
1.2
WSW
12
1
WSW
12
1.1
SW
7
1.2
SW
8
1.4
WSW
11
1.6
WSW
12
1.5
WSW
19
1.7
WSW
17
1.4
WSW
15
1.2
WSW
14
1.4
SW
8
1.1
WSW
11
0.9
WSW
10
0.8
WSW
10
0.5
WSW
9
0.5
WSW
9
0.4
WSW
12
1.1
SW
5
1.7
WSW
8
rain showers
cloud
mod rain
heavy rain
light rain
light rain
part cloud
light rain
heavy rain
rain showers
rain showers
light rain
light rain
heavy rain
heavy rain
heavy rain
rain showers
rain showers
rain showers
part cloud
part cloud
light rain
rain showers
rain showers
rain showers
cloud
rain showers
light rain
rain showers
rain showers
light rain
part cloud
clear
part cloud
mod rain
rain showers
rain shwrs
cloudy
mod rain
heavy rain
light rain
light rain
some clouds
light rain
heavy rain
rain shwrs
rain shwrs
light rain
light rain
heavy rain
heavy rain
heavy rain
rain shwrs
rain shwrs
rain shwrs
some clouds
some clouds
light rain
rain shwrs
rain shwrs
rain shwrs
cloudy
rain shwrs
light rain
rain shwrs
rain shwrs
light rain
some clouds
clear
some clouds
mod rain
rain shwrs
 km/h
15
SW
20
SSE
55
SSE
35
SSW
40
WSW
45
WSW
25
WSW
20
E
15
SSE
20
SW
25
SW
20
SSW
15
ESE
20
S
20
S
15
S
20
NW
25
WSW
15
S
20
SSE
30
SE
30
SSE
20
SSE
25
S
30
S
20
S
25
S
30
S
20
SSW
20
SW
20
SW
10
W
15
W
10
S
25
S
40
WSW
 mm 
2
7
11
5
4
5
17
1
5
3
4
16
19
14
4
2
1
4
7
1
2
1
5
2
2
3
8
1
max°C
7
9
11
10
10
11
10
10
11
11
11
11
12
13
13
13
10
10
10
12
12
12
12
12
12
12
12
11
10
10
9
9
9
8
9
8
Moonrise
3:51
5:04
6:32
8:02
9:29
10:51
12:08
1:22
2:35
3:48
5:02
Moonset
9:26
10:34
11:18
11:46
12:05
12:18
12:29
12:38
12:47
12:56
1:08
1:22
Sunrise
8:10
8:11
8:12
8:14
8:15
8:15
8:17
8:18
8:18
8:19
8:21
8:22
Sunset
4:01
4:01
4:00
4:00
4:00
4:00
4:00
4:00
4:00
4:00
4:00
4:00
Today's sea temperature in Barmouth is
9.8° C
(Statistics for 04 Dec 1981-2005 – mean: 11.0 max: 12.2 min: 9.6°C)
Issued (local time): 11 pm Thursday 04 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest