Portishead Sea Conditions and Tide Table

Portishead 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 08:15 AM and sunset is at 04:06 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 5°C on Sat afternoon, min -1°C on Thu night). Mainly fresh winds.

Days 4–6 Weather Summary

Mostly dry. Air temperatures will be slightly above freezing (max 4°C on Sun afternoon, min 1°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Some drizzle, heaviest during Thu morning. Freeze-thaw conditions (max 5°C on Thu morning, min 0°C on Thu night). Winds increasing (calm on Wed afternoon, strong winds from the N by Thu afternoon).

Days 10–12 Weather Summary

A dusting of snow giving way to moderate rain (total 12mm) heaviest on Mon morning. Freeze-thaw conditions (max 8°C on Tue morning, min -1°C on Sat night). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
12:20PM10.00m
00:44AM9.68m
1:07PM9.90m
1:33AM9.54m
1:57PM9.73m
2:27AM9.37m
2:53PM9.54m
3:25AM9.23m
3:53PM9.40m
4:26AM9.18m
4:54PM9.36m
5:27AM9.26m
5:56PM9.44m
6:27AM9.47m
6:56PM9.62m
7:25AM9.76m
7:53PM9.85m
8:20AM10.09m
8:47PM10.07m
9:12AM10.37m
9:38PM10.22m
10:01AM10.55m
10:26PM10.26m
Low Tide
6:11AM1.05m
6:35PM1.00m
6:52AM1.16m
7:18PM1.11m
7:37AM1.36m
8:05PM1.31m
8:27AM1.62m
8:59PM1.57m
9:25AM1.89m
10:03PM1.83m
10:35AM2.08m
11:19PM1.95m
11:57AM2.03m
00:38AM1.83m
1:14PM1.71m
1:47AM1.51m
2:18PM1.27m
2:45AM1.13m
3:13PM0.85m
3:36AM0.81m
4:02PM0.55m
4:22AM0.61m
4:47PM0.43m
5:05AM0.57m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
clear
clear
cloud
part cloud
cloud
light snow
cloud
light rain
cloud
part cloud
part cloud
light rain
cloud
mod rain
clear
clear
clear
clear
clear
clear
clear
cloudy
some clouds
some clouds
cloudy
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
rain shwrs
clear
clear
cloudy
some clouds
cloudy
light snow
cloudy
light rain
cloudy
some clouds
some clouds
light rain
cloudy
mod rain
 km/h
35
NE
35
ENE
25
NE
20
NE
25
NE
20
NE
30
NE
30
NE
25
NE
15
NE
20
NE
15
NE
10
NE
15
NNE
10
NNE
5
N
5
NNW
10
NNE
5
NNE
5
NW
10
W
30
N
40
N
25
N
5
NNE
10
WSW
10
SSE
15
SE
10
NE
5
SE
10
NW
5
N
5
SSE
10
SSE
15
SSE
10
SSW
 mm 
1
1
4
7
max°C
3
3
1
2
3
1
4
5
5
3
4
4
1
2
3
3
4
4
3
4
4
5
3
1
2
3
3
1
1
3
6
6
5
3
4
7
Moonrise
11:15
11:27
11:38
11:51
12:06
12:25
12:53
1:36
2:38
3:58
5:28
6:58
Moonset
10:05
11:24
12:44
2:08
3:37
5:10
6:40
7:57
8:54
9:31
9:57
Sunrise
8:15
8:15
8:15
8:15
8:15
8:15
8:15
8:15
8:15
8:15
8:15
8:15
Sunset
4:06
4:07
4:07
4:07
4:08
4:09
4:10
4:12
4:13
4:15
4:15
4:16
Today's sea temperature in Portishead is
8.4° C
(Statistics for 25 Dec 1981-2005 – mean: 10.9 max: 11.8 min: 10.0°C)
Issued (local time): 5 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest