Portsmouth Naval Shipyard (disputed waters) Sea Conditions and Tide Table

Portsmouth Naval Shipyard (disputed waters) 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 07:03 AM and sunset is at 06:42 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Thu morning. Icy conditions (max 21°C on Tue afternoon, min -2°C on Thu night). Winds increasing (light winds from the WSW on Tue night, fresh winds from the W by Thu morning).

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Fri night. Icy conditions (max 11°C on Sun night, min -3°C on Fri morning). Winds increasing (calm on Sun morning, fresh winds from the S by Sun night).

Days 7–9 Weather Summary

Light rain (total 8mm) at first, then becoming colder with a dusting of snow on Mon night. Freeze-thaw conditions (max 13°C on Mon morning, min -10°C on Tue night). Winds decreasing (fresh winds from the S on Mon morning, light winds from the WNW by Wed night).

Days 10–12 Weather Summary

Some drizzle, heaviest during Fri afternoon. Freeze-thaw conditions (max 5°C on Thu afternoon, min -10°C on Sun morning). Mainly fresh winds.

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
Monday
23
Tuesday
24
Wed
25
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
PM
Wave Height Map
High Tide
5:24PM2.05m
5:34AM2.28m
6:22PM1.97m
6:33AM2.23m
7:25PM1.94m
7:35AM2.23m
8:26PM1.98m
8:35AM2.30m
9:20PM2.07m
9:28AM2.39m
10:06PM2.21m
10:15AM2.51m
10:46PM2.36m
10:58AM2.62m
11:24PM2.53m
11:40AM2.71m
00:01AM2.68m
12:21PM2.76m
00:39AM2.81m
1:04PM2.78m
1:20AM2.90m
1:49PM2.74m
2:03AM2.94m
2:37PM2.65m
2:51AM2.91m
3:30PM2.54m
3:43AM2.83m
4:29PM2.40m
Low Tide
11:08AM0.32m
11:14PM0.54m
12:05PM0.41m
00:11AM0.61m
1:08PM0.45m
1:12AM0.62m
2:10PM0.42m
2:14AM0.58m
3:05PM0.35m
3:09AM0.47m
3:52PM0.24m
3:58AM0.33m
4:32PM0.12m
4:42AM0.17m
5:11PM0.01m
5:24AM0.01m
5:48PM-0.08m
6:06AM-0.14m
6:26PM-0.14m
6:49AM-0.25m
7:06PM-0.16m
7:34AM-0.31m
7:49PM-0.13m
8:22AM-0.31m
8:35PM-0.05m
9:13AM-0.24m
9:26PM0.06m
10:11AM-0.14m
Wave
height (m) 
direction
period (s) 
0.5
ESE
8
0.5
ESE
8
0.5
ESE
8
1
E
5
0.8
E
6
1.1
SE
6
1
SE
8
0.7
SE
8
0.7
SE
8
0.4
SE
8
0.8
SSE
4
1.3
SSE
5
0.8
SE
7
0.7
SE
7
0.5
SE
7
0.2
ESE
7
0.7
SE
4
1.5
SE
6
2
SE
8
1.6
SE
9
1.1
SE
10
1.1
SE
10
1
SE
10
0.9
SE
9
0.9
SE
9
0.8
SE
9
0.5
SE
9
0.6
SE
9
0.9
SE
9
1
SE
9
1.2
SSE
5
1.1
SE
6
0.8
ESE
8
0.9
ESE
10
0.9
ESE
10
0.7
ESE
10
0.6
ESE
10
0.5
ESE
10
0.3
ESE
10
1.3
SSE
5
1.1
SE
6
0.9
SE
7
0.6
ESE
6
0.4
ESE
6
0.7
ENE
3
1.5
E
6
1.4
E
6
clear
clear
part cloud
cloud
cloud
cloud
light rain
cloud
part cloud
clear
cloud
light rain
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
snow showers
part cloud
cloud
clear
part cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
light rain
clear
clear
clear
clear
clear
clear
snow showers
light snow
light snow
part cloud
part cloud
part cloud
light snow
light snow
light snow
clear
clear
some clouds
cloudy
cloudy
cloudy
light rain
cloudy
some clouds
clear
cloudy
light rain
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
light rain
light rain
snow shwrs
some clouds
cloudy
clear
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
cloudy
light rain
clear
clear
clear
clear
clear
clear
snow shwrs
light snow
light snow
some clouds
some clouds
some clouds
light snow
light snow
light snow
 km/h
15
SW
15
SW
15
NNE
20
ENE
10
ENE
25
SSW
30
W
25
NW
25
NW
10
W
25
SSE
25
SSE
25
W
20
W
20
W
10
S
25
SE
30
S
35
SSW
20
W
25
W
25
WNW
25
WNW
25
WNW
25
WNW
20
W
10
SW
15
SW
20
S
20
SSW
30
SSW
25
WSW
25
WNW
30
NW
30
NW
20
WNW
25
NW
20
NW
10
SE
30
SSE
5
W
15
SW
15
WSW
10
WNW
20
ENE
25
ENE
20
E
 mm 
1
5
3
3
3
2
1
max°C
16
21
18
3
3
15
11
6
-1
1
3
2
5
6
3
0
2
11
13
13
5
-3
0
-2
-6
-2
-1
1
5
2
2
4
3
-4
-2
-5
-7
-1
-1
0
1
8
10
11
10
-2
-2
Moonrise
1:40
2:39
3:32
4:16
4:53
5:23
5:49
6:11
6:32
6:53
7:15
7:40
8:11
8:50
9:40
10:42
Moonset
10:08
10:54
11:48
12:49
1:57
3:07
4:18
5:30
6:43
7:57
9:15
10:34
11:55
1:12
2:20
Sunrise
7:03
7:01
7:01
6:58
6:56
6:54
6:54
6:52
6:50
6:48
6:47
6:45
6:43
6:41
6:39
6:37
Sunset
6:42
6:43
6:45
6:45
6:46
6:47
6:49
6:51
6:52
6:52
6:53
6:54
6:57
6:58
6:59
7:00
Today's sea temperature in Portsmouth Naval Shipyard (disputed waters) is
2.6° C
(Statistics for 10 Mar 1981-2005 – mean: 3.0 max: 4.2 min: 1.4°C)
Issued (local time): 7 am Tuesday 10 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest