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 — and sunset is at 04:52 PM.

Days 1–4 Weather Summary

Light rain (total 8mm), mostly falling on Thu morning. Cool air temperatures (max 14°C on Tue night, min 4°C on Thu morning). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Cool air temperatures (max 19°C on Sun morning, min 3°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 17°C on Sun afternoon, min -3°C on Tue night). Winds decreasing (fresh winds from the WNW on Sun night, light winds from the WNW by Tue night).

Days 11–13 Weather Summary

Mostly dry. Mild temperatures (max 8°C on Thu afternoon, min 2°C on Wed night). Wind will be generally light.

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
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
7:54AM1.04m
8:19PM0.79m
8:48AM1.05m
Low Tide
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
2:42PM-0.10m
2:31AM-0.16m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
light rain
clear
clear
clear
cloud
cloud
mod rain
part cloud
cloud
part cloud
cloud
rain showers
cloud
part cloud
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
some clouds
some clouds
light rain
clear
clear
clear
cloudy
cloudy
mod rain
some clouds
cloudy
some clouds
cloudy
rain shwrs
cloudy
some clouds
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
 km/h
5
E
10
SSW
15
SW
20
WSW
15
W
15
N
15
NNE
5
E
5
SSE
10
WSW
20
NNE
15
ENE
10
ESE
10
NNE
10
NNE
5
NNE
10
S
20
WSW
25
WNW
30
WNW
25
WNW
25
NW
25
WNW
25
NW
20
NW
10
WNW
15
SW
20
SW
15
W
10
NW
15
WSW
20
WSW
15
NW
15
ENE
5
NNW
15
NE
 mm 
2
6
1
1
max°C
5
7
9
11
14
12
10
7
7
10
8
6
7
8
9
10
14
19
17
11
1
2
-1
2
3
0
5
7
5
6
8
7
8
6
4
3
Moonrise
9:58
10:27
10:53
11:18
11:43
12:09
12:40
1:16
2:01
2:57
4:04
Moonset
7:16
8:20
9:24
10:28
11:33
12:39
1:49
3:03
4:19
5:36
6:46
7:46
Sunrise
7:15
7:15
7:15
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:18
7:18
Sunset
4:52
4:52
4:53
4:53
4:54
4:55
4:55
4:57
4:58
4:58
4:59
5:00
Today's sea temperature in Portsmouth, Norfolk Naval Shipyard is
6.8° C
(Statistics for 22 Dec 1981-2005 – mean: 13.3 max: 15.6 min: 10.0°C)
Issued (local time): 6 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest