Portsmouth, Norfolk Naval Shipyard Sea Conditions and Tide Table

Portsmouth, Norfolk Naval Shipyard 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 07:26 AM and sunset is at 07:06 PM.

Days 1–3 Weather Summary

Moderate rain (total 14mm), heaviest on Sun night. Warm air temperatures (max 25°C on Tue afternoon, min 17°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Thu morning. Warm air temperatures (max 28°C on Wed afternoon, min 4°C on Thu night). Winds decreasing (fresh winds from the SSW on Wed night, light winds from the WSW by Thu night).

Days 7–9 Weather Summary

Light rain (total 5mm), mostly falling on Mon afternoon. Warm (max 23°C on Mon morning, min 8°C on Sat night). Mainly fresh winds.

Days 10–12 Weather Summary

Light rain (total 9mm) at first, then becoming colder with a dusting of snow on Wed morning. Freeze-thaw conditions (max 8°C on Mon night, min 0°C on Tue morning). Wind will be generally light.

Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Mon
23
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
Wave Height Map
High Tide
12:27PM0.76m
00:52AM0.84m
1:07PM0.71m
1:35AM0.80m
1:51PM0.67m
2:25AM0.77m
2:43PM0.64m
3:25AM0.75m
3:46PM0.62m
4:32AM0.76m
4:54PM0.65m
5:34AM0.79m
5:53PM0.69m
6:25AM0.83m
6:42PM0.76m
7:11AM0.87m
7:26PM0.84m
7:53AM0.91m
8:08PM0.91m
8:35AM0.93m
8:51PM0.97m
9:18AM0.93m
9:34PM1.02m
10:01AM0.93m
10:19PM1.05m
10:47AM0.91m
11:06PM1.05m
11:33AM0.87m
Low Tide
6:27PM0.06m
7:17AM0.13m
7:09PM0.10m
8:07AM0.17m
7:59PM0.13m
9:03AM0.20m
8:55PM0.15m
10:00AM0.20m
9:54PM0.15m
10:58AM0.19m
10:55PM0.13m
11:53AM0.15m
11:55PM0.10m
12:44PM0.10m
00:53AM0.05m
1:29PM0.04m
1:45AM0.00m
2:11PM-0.01m
2:33AM-0.05m
2:51PM-0.06m
3:18AM-0.08m
3:30PM-0.09m
4:02AM-0.10m
4:09PM-0.10m
4:48AM-0.09m
4:51PM-0.10m
5:36AM-0.05m
5:37PM-0.07m
Wave
height (m) 
direction
period (s) 
cloud
thunderstorm
rain showers
rain showers
rain showers
clear
clear
clear
clear
part cloud
part cloud
cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
thunderstorm
light rain
light rain
part cloud
part cloud
cloud
light snow
light rain
cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
mod rain
rain showers
part cloud
clear
cloudy
risk tstorm
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
clear
some clouds
some clouds
cloudy
rain shwrs
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
risk tstorm
light rain
light rain
some clouds
some clouds
cloudy
light snow
light rain
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
some clouds
mod rain
rain shwrs
some clouds
clear
 km/h
25
SW
15
W
10
SSE
5
W
5
ESE
10
S
10
SW
10
S
10
S
20
SSW
20
SW
30
SSW
35
WNW
35
WNW
15
WNW
20
SSW
25
SSW
25
SW
15
W
20
NE
15
E
20
ESE
20
SE
25
SSW
30
SSW
15
NNW
25
N
25
N
20
NNE
15
E
15
ENE
15
NNE
15
N
15
N
10
NNE
5
ENE
10
SSE
20
SSW
25
SSW
25
WSW
20
NNE
15
E
15
E
10
ENE
5
W
10
N
 mm 
5
7
1
1
1
1
4
5
3
1
8
3
max°C
23
23
19
20
21
19
24
25
20
26
28
21
11
11
7
13
16
12
18
14
10
15
17
18
23
12
8
1
2
2
3
5
5
7
8
8
11
13
13
19
12
11
7
8
9
15
Moonrise
12:38
1:38
2:36
3:28
4:14
4:54
5:29
5:59
6:26
6:52
7:18
7:45
8:16
8:52
9:36
Moonset
9:43
10:17
10:57
11:44
12:37
1:37
2:40
3:45
4:52
5:58
7:06
8:15
9:27
10:41
11:56
Sunrise
7:26
6:24
6:22
6:20
6:20
6:18
6:16
6:16
6:13
6:13
6:11
6:09
6:07
6:07
6:05
6:03
Sunset
7:06
6:07
6:07
6:07
6:08
6:09
6:10
6:12
6:13
6:14
6:15
6:15
6:16
6:16
6:17
Today's sea temperature in Portsmouth, Norfolk Naval Shipyard is
7.7° C
(Statistics for 08 Mar 1981-2005 – mean: 10.8 max: 14.0 min: 7.6°C)
Issued (local time): 12 am Sunday 08 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest