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 05:01 AM and sunset is at 09:15 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Thu morning, min 17°C on Sat night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Sun morning, min 14°C on Mon night). Mainly strong winds.

Days 7–9 Weather Summary

Mostly dry. Warm (max 27°C on Fri morning, min 19°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 33°C on Mon morning, min 18°C on Mon night). Wind will be generally light.

Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
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
12:18PM4.21m
00:25AM4.29m
12:59PM4.32m
1:02AM4.34m
1:37PM4.39m
1:37AM4.38m
2:12PM4.44m
2:11AM4.39m
2:46PM4.47m
2:47AM4.39m
3:24PM4.48m
3:31AM4.37m
4:11PM4.46m
4:24AM4.30m
5:06PM4.41m
5:25AM4.21m
6:03PM4.33m
6:28AM4.11m
7:02PM4.24m
7:32AM4.02m
8:06PM4.16m
8:45AM3.99m
9:18PM4.16m
Low Tide
5:27PM1.43m
5:48AM1.13m
6:05PM1.35m
6:24AM1.03m
6:41PM1.29m
6:59AM0.95m
7:17PM1.23m
7:36AM0.89m
7:56PM1.18m
8:16AM0.87m
8:38PM1.17m
9:00AM0.91m
9:25PM1.22m
9:48AM1.02m
10:17PM1.32m
10:44AM1.21m
11:19PM1.47m
11:49AM1.41m
00:31AM1.57m
1:02PM1.57m
1:47AM1.59m
2:19PM1.61m
3:01AM1.48m
Wave
height (m) 
direction
period (s) 
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
0
WNW
20
SW
10
ENE
15
SE
15
S
10
E
15
E
15
SE
10
ENE
15
ESE
15
SSE
5
NW
25
W
40
WSW
25
WNW
15
W
30
SW
15
NW
0
E
15
SSW
5
ESE
20
ESE
15
SE
5
N
10
ESE
15
SSE
5
N
10
ENE
15
S
5
NW
0
WNW
15
SSW
15
NW
15
NNW
25
WSW
20
NNW
 mm 
max°C
25
25
25
23
24
22
23
23
21
23
23
21
22
21
17
19
21
20
22
23
21
22
25
23
27
27
26
29
30
28
30
31
28
33
32
25
Moonrise
9:44
10:14
10:36
10:52
11:06
11:19
11:32
11:46
12:03
12:27
1:00
Moonset
3:51
5:03
6:22
7:44
9:06
10:27
11:49
1:12
2:38
4:07
5:35
6:57
Sunrise
5:01
5:03
5:03
5:05
5:05
5:07
5:07
5:09
5:11
5:11
5:13
5:13
Sunset
9:15
9:15
9:15
9:14
9:13
9:12
9:10
9:09
9:08
9:07
9:07
9:06
Today's sea temperature in Portsmouth is 19.0 °C (Statistics for 10 Jul 1981-2005 – mean: 15.3 max: 17.2 min: 13.9°C)
Issued (local time): 6 am Thursday 10 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest