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 07:13 AM and sunset is at 04:52 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Tue afternoon, min 1°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Fri afternoon. Warm air temperatures (max 21°C on Fri afternoon, min 1°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Sun morning. Freeze-thaw conditions (max 16°C on Sun afternoon, min -2°C on Mon night). Winds increasing (light winds from the ESE on Sat afternoon, fresh winds from the NW by Mon morning).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 12°C on Thu afternoon, min -1°C on Tue morning). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
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
9:57AM0.91m
10:18PM0.70m
10:36AM0.91m
10:59PM0.71m
11:15AM0.89m
11:40PM0.72m
11:56AM0.87m
00:22AM0.74m
12:38PM0.84m
1:07AM0.77m
1:24PM0.80m
1:56AM0.81m
2:16PM0.77m
2:52AM0.84m
3:14PM0.73m
3:54AM0.89m
4:19PM0.72m
4:58AM0.94m
5:24PM0.72m
5:59AM0.98m
6:23PM0.74m
6:58AM1.01m
7:22PM0.76m
Low Tide
4:26PM0.01m
4:11AM0.02m
5:03PM0.01m
4:51AM0.04m
5:41PM0.01m
5:35AM0.05m
6:21PM0.00m
6:26AM0.07m
7:05PM-0.00m
7:23AM0.08m
7:53PM-0.01m
8:26AM0.08m
8:43PM-0.03m
9:29AM0.06m
9:36PM-0.05m
10:33AM0.04m
10:31PM-0.07m
11:38AM0.02m
11:30PM-0.09m
12:44PM-0.02m
00:31AM-0.11m
1:46PM-0.06m
1:33AM-0.13m
Wave
height (m) 
direction
period (s) 
part cloud
cloud
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
clear
light rain
rain showers
clear
part cloud
part cloud
light rain
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
some clouds
cloudy
clear
clear
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
some clouds
clear
light rain
rain shwrs
clear
some clouds
some clouds
light rain
some clouds
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
 km/h
15
W
15
N
20
N
10
NNE
5
E
15
S
20
SW
20
WSW
15
W
20
N
15
NNE
10
E
15
SSE
15
SSW
15
SW
25
SW
25
WSW
25
N
15
NE
10
ENE
10
S
20
SW
20
W
20
NNW
25
NNW
25
NNW
20
NNW
15
SW
20
SW
25
WSW
20
NNW
20
NNE
5
SE
15
SSW
15
SW
15
SSW
 mm 
1
1
2
max°C
12
10
5
3
5
6
9
13
13
11
7
7
10
16
16
19
21
10
3
3
6
12
16
11
2
2
0
4
6
5
5
1
2
10
12
11
Moonrise
8:46
9:25
9:58
10:27
10:53
11:18
11:43
12:09
12:40
1:16
2:01
2:57
Moonset
6:13
7:16
8:20
9:24
10:28
11:33
12:39
1:49
3:03
4:19
5:36
Sunrise
7:13
7:13
7:15
7:15
7:15
7:16
7:16
7:16
7:16
7:16
7:16
7:16
Sunset
4:52
4:52
4:52
4:53
4:53
4:54
4:55
4:55
4:57
4:58
4:58
4:59
Today's sea temperature in Portsmouth, Norfolk Naval Shipyard is
6.7° C
(Statistics for 21 Dec 1981-2005 – mean: 13.4 max: 15.6 min: 10.0°C)
Issued (local time): 12 pm Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest