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 — and sunset is at 07:07 PM.

Days 1–4 Weather Summary

Heavy rain (total 34mm), heaviest during Mon night. Icy conditions (max 12°C on Mon morning, min -2°C on Tue night). Mainly fresh winds.

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Wed night. Cool air temperatures (max 18°C on Fri morning, min 1°C on Wed afternoon). Winds decreasing (fresh winds from the SSW on Thu morning, calm by Sat morning).

Days 8–10 Weather Summary

Moderate rain (total 15mm), heaviest on Sun afternoon. Freeze-thaw conditions (max 9°C on Mon afternoon, min -1°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Fri morning. Freeze-thaw conditions (max 9°C on Thu afternoon, min -1°C on Tue night). Winds decreasing (fresh winds from the W on Tue afternoon, calm by Fri morning).

Sun
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Fri
11
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
9:36PM5.18ft
10:00AM4.3ft
10:25PM5.12ft
10:49AM4.04ft
11:17PM4.89ft
11:41AM3.74ft
00:14AM4.56ft
12:40PM3.45ft
1:17AM4.23ft
1:47PM3.25ft
2:27AM3.94ft
3:03PM3.15ft
3:41AM3.74ft
4:17PM3.25ft
4:47AM3.71ft
5:19PM3.41ft
5:42AM3.71ft
6:08PM3.64ft
6:27AM3.74ft
6:49PM3.87ft
7:06AM3.74ft
7:25PM4.07ft
7:41AM3.77ft
Low Tide
3:15PM-0.26ft
3:58AM-0.23ft
4:01PM-0.2ft
4:49AM-0.07ft
4:50PM0ft
5:44AM0.26ft
5:42PM0.3ft
6:43AM0.59ft
6:41PM0.59ft
7:50AM0.85ft
7:50PM0.85ft
9:02AM1.02ft
9:07PM1.02ft
10:12AM1.05ft
10:22PM1.05ft
11:11AM0.98ft
11:26PM0.95ft
11:58AM0.85ft
00:17AM0.82ft
12:36PM0.75ft
1:01AM0.69ft
1:10PM0.62ft
1:39AM0.59ft
Wave
height (ft) 
direction
period (s) 
cloud
part cloud
part cloud
cloud
heavy rain
part cloud
clear
clear
clear
part cloud
light rain
light rain
cloud
cloud
cloud
part cloud
clear
cloud
cloud
light rain
light rain
mod rain
light rain
light rain
cloud
part cloud
clear
cloud
clear
part cloud
cloud
clear
clear
clear
rain showers
light rain
cloudy
some clouds
some clouds
cloudy
heavy rain
some clouds
clear
clear
clear
some clouds
light rain
light rain
cloudy
cloudy
cloudy
some clouds
clear
cloudy
cloudy
light rain
light rain
mod rain
light rain
light rain
cloudy
some clouds
clear
cloudy
clear
some clouds
cloudy
clear
clear
clear
rain shwrs
light rain
 mph
5
E
5
SSE
20
SSW
10
SSW
10
SW
15
NNW
10
NW
10
N
5
ESE
10
SSE
20
SE
20
SSW
15
SW
10
SW
5
WSW
10
WNW
5
N
5
N
10
SSW
5
SSW
5
SE
10
E
5
NE
5
SSW
15
WSW
10
NW
10
WNW
20
W
10
W
15
W
15
W
10
W
10
W
10
SW
10
SSW
5
SSW
 in 
1.3
0.08
0.08
0.04
0.08
0.4
0.04
0.08
0.04
0.1
max°F
39
48
54
54
52
46
54
46
36
37
43
50
54
61
64
63
59
46
46
43
43
41
41
43
48
43
37
41
36
36
45
41
41
48
43
43
Moonrise
6:57
7:25
8:00
8:43
9:37
10:39
11:48
12:58
2:07
3:13
4:16
5:18
6:18
Moonset
9:05
10:28
11:49
1:04
2:07
2:58
3:38
4:08
4:33
4:54
5:13
5:31
Sunrise
6:30
6:28
6:26
6:24
6:22
6:22
6:20
6:18
6:16
6:15
6:13
6:11
Sunset
7:07
7:07
7:08
7:09
7:10
7:13
7:14
7:15
7:15
7:16
7:17
7:19
Today's sea temperature in Portsmouth is 44 °F (Statistics for 30 Mar 1981-2005 – mean: 41 max: 44 min: 38°F)
Issued (local time): 1 pm Sunday 30 Mar 2025
Forecast update inUpdates in 2 hr 52 min 45 sUpdate imminent
Nearest