Portsmouth Sea Conditions and Tide Table

Portsmouth 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 05:09 AM and sunset is at 08:09 PM.

Days 1–3 Weather Summary

Light rain (total 9mm), mostly falling on Thu afternoon. Warm air temperatures (max 27°C on Tue afternoon, min 8°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 23mm), heaviest during Fri night. Cool air temperatures (max 16°C on Sun afternoon, min 8°C on Fri morning). Winds increasing (calm on Fri morning, fresh winds from the NE by Sat night).

Days 7–9 Weather Summary

Mostly dry. Warm (max 23°C on Mon afternoon, min 10°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 15mm), heaviest on Sat night. Very mild (max 17°C on Sat morning, min 11°C on Thu night). Wind will be generally light.

Days 13–16 Weather Summary

Light rain (total 3mm), mostly falling on Sun morning. Warm (max 21°C on Sun morning, min 12°C on Sun night). Wind will be generally light.

Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wed
10
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
PM
Wave Height Map
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High Tide
8:42AM2.32m
9:09PM2.51m
9:39AM2.29m
9:56PM2.55m
10:29AM2.27m
10:39PM2.57m
11:15AM2.26m
11:19PM2.58m
11:59AM2.25m
11:58PM2.57m
12:40PM2.23m
00:36AM2.56m
1:19PM2.22m
1:13AM2.55m
1:57PM2.20m
1:50AM2.52m
2:34PM2.18m
2:27AM2.49m
3:13PM2.16m
3:07AM2.46m
3:53PM2.17m
3:50AM2.42m
4:37PM2.19m
4:38AM2.37m
5:21PM2.25m
5:28AM2.34m
6:06PM2.34m
6:21AM2.31m
6:54PM2.44m
Low Tide
2:44PM0.23m
3:24AM0.16m
3:34PM0.28m
4:14AM0.10m
4:19PM0.32m
5:00AM0.06m
5:00PM0.35m
5:42AM0.05m
5:40PM0.38m
6:22AM0.05m
6:19PM0.40m
7:00AM0.06m
6:56PM0.41m
7:36AM0.08m
7:33PM0.43m
8:12AM0.10m
8:11PM0.45m
8:50AM0.13m
8:51PM0.46m
9:29AM0.16m
9:35PM0.47m
10:11AM0.18m
10:24PM0.46m
10:55AM0.19m
11:15PM0.42m
11:40AM0.19m
00:08AM0.35m
12:28PM0.19m
Wave
Height (m)
Direction
Period (s)
0.9
SE
8
0.9
SE
8
0.7
SE
8
0.5
SE
7
0.5
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.7
ENE
4
0.6
ENE
5
0.6
E
6
1.3
SSE
5
1.2
SE
6
1.4
ESE
6
1.8
E
7
1.5
E
7
1.1
E
7
0.8
E
7
0.6
E
7
0.8
E
8
0.5
E
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.3
ESE
8
0.5
SE
3
0.4
SE
3
0.5
E
3
0.5
E
4
0.5
SE
4
0.5
SE
9
0.5
SE
9
0.4
SE
8
0.4
SE
8
0.6
SE
8
0.6
ESE
7
0.7
ESE
8
0.8
ESE
8
0.8
ESE
8
0.7
ESE
8
0.7
ESE
8
0.6
ESE
8
0.5
ESE
8
0.5
ESE
8
0.4
ESE
7
0.5
E
7
0.5
ESE
7
clear
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
light rain
light rain
cloud
cloud
mod rain
rain showers
rain showers
mod rain
clear
rain showers
rain showers
cloud
cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
mod rain
rain showers
thunderstorm
part cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
clear
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
light rain
light rain
cloudy
cloudy
mod rain
rain shwrs
rain shwrs
mod rain
clear
rain shwrs
rain shwrs
cloudy
cloudy
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
clear
mod rain
rain shwrs
risk tstorm
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
km/h
5
WSW
10
SSW
15
WSW
15
WNW
20
NNW
5
NNE
10
E
10
E
10
NE
0
E
15
SE
30
SSE
5
S
20
NNE
25
N
15
NE
10
S
20
WNW
20
W
30
WNW
15
WNW
15
NW
15
WNW
10
W
5
NE
15
SE
15
E
15
ESE
10
E
5
NE
10
ENE
10
E
5
NNW
10
SE
15
SSE
5
WNW
10
N
10
ESE
10
N
10
NE
15
ENE
10
NW
5
SE
10
S
5
WNW
20
NW
15
NE
1
3
5
7
5
2
7
1
1
9
7
2
max °C
24
27
24
24
26
21
15
13
11
10
11
11
14
11
9
15
16
16
20
23
16
18
21
18
19
17
16
12
12
12
12
13
12
17
17
17
21
19
16
17
17
15
17
18
16
20
18
Moonrise
3:50
4:56
6:01
7:06
8:09
9:09
10:01
10:45
11:22
11:51
12:16
12:38
12:58
1:18
1:39
Moonset
2:31
2:50
3:12
3:37
4:07
4:43
5:28
6:21
7:21
8:25
9:31
10:37
11:44
12:52
2:02
3:15
Sunrise
5:09
5:09
5:07
5:07
5:07
5:07
5:05
5:05
5:05
5:05
5:03
5:03
5:03
5:03
5:03
5:03
Sunset
8:09
8:10
8:10
8:12
8:13
8:14
8:15
8:15
8:15
8:16
8:17
8:19
8:19
8:20
8:20
8:21
Today's sea temperature in Portsmouth is
11.0° C
(Statistics for 26 May 1981-2005 – mean: 10.5 max: 13.0 min: 8.3°C)
Issued (local time): 1 am Tuesday 26 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest