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 05:03 AM and sunset is at 08:22 PM.

Days 1–3 Weather Summary

Light rain (total 5mm), mostly falling on Fri night. Warm air temperatures (max 26°C on Thu morning, min 14°C on Sat night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Sun night. Warm air temperatures (max 26°C on Mon afternoon, min 12°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 27°C on Thu afternoon, min 14°C on Fri night). Winds increasing (calm on Wed morning, fresh winds from the S by Thu afternoon).

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Sat night. Warm (max 26°C on Sat afternoon, min 16°C on Sun night). Winds increasing (light winds from the S on Sat afternoon, fresh winds from the NW by Sun afternoon).

Days 13–16 Weather Summary

Heavy rain (total 29mm), heaviest during Thu night. Warm (max 28°C on Tue afternoon, min 14°C on Thu night). Wind will be generally light.

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Fri
26
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
8:19AM2.32m
8:40PM2.70m
9:19AM2.37m
9:34PM2.83m
10:17AM2.43m
10:28PM2.94m
11:13AM2.48m
11:23PM3.02m
12:11PM2.53m
00:19AM3.05m
1:07PM2.56m
1:15AM3.04m
2:03PM2.57m
2:11AM2.97m
2:58PM2.56m
3:08AM2.86m
3:55PM2.55m
4:07AM2.72m
4:53PM2.53m
5:08AM2.56m
5:49PM2.51m
6:08AM2.41m
6:44PM2.50m
7:09AM2.29m
7:38PM2.48m
8:11AM2.19m
8:32PM2.47m
9:10AM2.15m
Low Tide
2:15PM0.16m
3:03AM-0.02m
3:11PM0.11m
3:59AM-0.16m
4:05PM0.06m
4:54AM-0.28m
5:00PM0.02m
5:50AM-0.36m
5:56PM-0.01m
6:46AM-0.39m
6:53PM-0.02m
7:40AM-0.38m
7:50PM0.00m
8:34AM-0.33m
8:47PM0.05m
9:29AM-0.24m
9:47PM0.11m
10:25AM-0.12m
10:50PM0.17m
11:21AM0.01m
11:52PM0.21m
12:15PM0.14m
00:54AM0.24m
1:10PM0.26m
1:57AM0.24m
2:05PM0.36m
2:55AM0.22m
2:59PM0.41m
Wave
Height (m)
Direction
Period (s)
0.4
SE
6
0.4
SE
7
0.4
SE
8
0.4
SE
8
0.4
SE
7
0.4
SE
8
0.4
ESE
8
0.4
ESE
8
0.4
SE
8
0.4
ESE
8
0.6
SE
4
0.7
SE
5
0.5
SE
5
0.5
ESE
8
0.5
ESE
7
0.4
ESE
7
0.5
ESE
7
0.4
ESE
6
0.3
ESE
7
0.4
ESE
6
0.6
SE
6
0.5
ESE
6
1.6
SSE
6
0.9
SSE
6
0.6
SE
6
0.4
SE
6
0.4
SE
8
0.4
SE
6
0.4
SSE
3
0.8
SSE
5
0.7
SE
6
0.7
NW
4
0.5
WNW
3
0.4
WNW
3
0.4
NW
3
0.2
SSE
8
0.2
SSE
7
0.2
SSE
7
0.3
SE
7
0.3
SE
7
0.4
SSE
4
0.4
SSE
6
0.5
E
4
0.4
E
4
0.4
E
4
0.4
SE
4
0.4
SE
5
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
light rain
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
light rain
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
rain showers
rain showers
part cloud
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
light rain
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
clear
rain shwrs
rain shwrs
some clouds
km/h
5
NW
10
ESE
5
SW
10
E
10
E
5
NE
10
E
10
SE
10
ESE
15
SE
15
SE
15
SW
5
WSW
15
W
15
W
15
W
15
WNW
5
W
5
SW
5
WSW
10
SW
20
SSW
30
S
15
SW
25
WNW
15
WNW
10
W
15
WNW
10
S
15
S
30
W
25
WNW
20
WNW
25
WNW
20
NW
15
W
15
WNW
15
WNW
10
N
10
SW
15
WSW
10
NNE
15
E
15
ESE
5
ESE
5
WNW
15
NW
5
1
3
16
13
max °C
26
24
20
24
21
17
23
21
18
17
18
22
23
26
22
19
23
19
20
24
22
25
27
22
24
24
21
22
26
22
26
23
18
21
26
22
24
28
25
25
28
25
17
18
18
17
24
Moonrise
2:03
2:31
3:09
3:58
5:01
6:16
7:38
8:59
10:15
11:27
12:36
1:42
2:48
3:53
4:58
6:02
Moonset
4:33
5:54
7:17
8:33
9:37
10:26
11:03
11:32
11:56
12:16
12:36
12:55
1:16
1:40
2:08
Sunrise
5:03
5:03
5:03
5:03
5:01
5:01
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
Sunset
8:22
8:22
8:22
8:22
8:22
8:23
8:23
8:24
8:24
8:24
8:24
8:25
8:25
8:25
8:25
8:25
Today's sea temperature in Portsmouth is
14.1° C
(Statistics for 11 Jun 1981-2005 – mean: 13.2 max: 15.3 min: 11.3°C)
Issued (local time): 1 am Thursday 11 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest