Chepstow Sea Conditions and Tide Table

Chepstow 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

Light rain (total 2mm), mostly falling on Sat afternoon. Cool air temperatures (max 11°C on Mon afternoon, min 4°C on Fri night). Mainly fresh winds.

Days 5–7 Weather Summary

Some drizzle, heaviest during Thu afternoon. Cool air temperatures (max 14°C on Tue morning, min 8°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 4mm), mostly falling on Fri morning. Very mild (max 12°C on Sun afternoon, min 4°C on Sat night). Mainly fresh winds.

Days 11–13 Weather Summary

Heavy rain (total 28mm), heaviest during Tue afternoon. Very mild (max 16°C on Mon afternoon, min 3°C on Mon night). Winds increasing (calm on Sun night, near gales from the WNW by Tue morning).

Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sun
12
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
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
Wave Height Map
High Tide
4:45AM8.63m
5:21PM8.44m
5:53AM8.74m
6:26PM8.72m
6:53AM9.17m
7:21PM9.25m
7:46AM9.74m
8:11PM9.85m
8:33AM10.30m
8:55PM10.40m
9:16AM10.75m
9:37PM10.81m
9:56AM11.01m
10:16PM11.03m
10:35AM11.08m
10:54PM11.02m
11:12AM10.93m
11:31PM10.81m
11:49AM10.59m
00:07AM10.42m
12:26PM10.12m
00:45AM9.90m
1:05PM9.54m
1:26AM9.31m
1:50PM8.93m
2:17AM8.72m
2:48PM8.39m
Low Tide
9:32PM3.53m
12:28PM3.53m
1:15AM3.46m
1:54PM2.93m
2:22AM2.75m
2:49PM2.19m
3:11AM2.04m
3:33PM1.55m
3:52AM1.48m
4:11PM1.11m
4:27AM1.12m
4:44PM0.89m
4:58AM0.95m
5:13PM0.85m
5:25AM0.93m
5:36PM0.93m
5:46AM1.03m
5:55PM1.08m
6:05AM1.17m
6:14PM1.27m
6:26AM1.37m
6:38PM1.50m
6:53AM1.64m
7:08PM1.80m
7:27AM1.99m
7:45PM2.18m
8:08AM2.40m
8:29PM2.61m
Wave
height (m) 
direction
period (s) 
clear
part cloud
rain showers
part cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
light rain
cloud
light rain
light rain
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
mod rain
mod rain
heavy rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
rain showers
cloud
cloud
part cloud
cloud
clear
some clouds
rain shwrs
some clouds
cloudy
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
light rain
cloudy
light rain
light rain
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
clear
mod rain
mod rain
heavy rain
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
light rain
rain shwrs
cloudy
cloudy
some clouds
cloudy
 km/h
20
NW
25
NW
30
NW
10
WNW
25
WSW
35
WSW
15
W
25
NW
25
NW
10
SW
15
WNW
15
NW
5
WNW
10
W
10
SW
15
SW
20
WSW
25
WSW
10
W
10
ENE
15
SSW
30
WSW
25
WNW
20
NW
5
SSW
10
SSW
20
SSW
5
S
10
SSE
25
S
20
S
50
WNW
45
NNW
35
N
20
N
20
NE
5
NE
5
ESE
5
SSW
5
SSW
5
ENE
10
NNE
15
N
20
NNE
20
N
15
N
15
N
 mm 
1
1
1
2
2
6
8
11
3
1
2
1
max°C
8
8
8
6
9
8
10
10
11
10
14
14
12
14
14
10
12
12
9
7
10
10
10
10
7
10
12
7
15
16
11
5
6
6
6
8
6
10
11
8
11
11
9
9
10
8
9
Moonrise
1:08
3:32
4:52
6:09
7:25
8:40
9:56
11:11
12:25
1:34
2:33
3:20
3:55
4:20
4:39
Moonset
4:27
5:45
5:59
6:10
6:21
6:32
6:44
6:58
7:17
7:42
8:16
9:03
10:03
11:12
12:28
1:46
Sunrise
5:54
6:52
5:50
5:48
5:46
5:43
5:41
5:39
5:37
5:33
5:31
5:30
5:28
5:24
5:22
5:20
Sunset
6:37
7:38
6:39
6:42
6:44
6:45
6:46
6:49
6:50
6:52
6:53
6:54
6:57
6:59
7:00
Today's sea temperature in Chepstow is
9.8° C
(Statistics for 27 Mar 1981-2005 – mean: 9.4 max: 10.5 min: 7.5°C)
Issued (local time): 11 pm Friday 27 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest