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 — and sunset is at 06:45 PM.

Days 1–4 Weather Summary

Light rain (total 5mm), mostly falling on Fri night. Icy conditions (max 6°C on Sat afternoon, min -3°C on Thu night). Mainly fresh winds.

Days 5–7 Weather Summary

Heavy rain (total 21mm), heaviest during Mon morning. Icy conditions (max 15°C on Mon night, min -5°C on Tue night). Winds decreasing (strong winds from the S on Mon night, light winds from the WNW by Wed morning).

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Fri afternoon. Freeze-thaw conditions (max 4°C on Fri afternoon, min -5°C on Sat morning). Winds increasing (calm on Thu night, fresh winds from the WNW by Sat morning).

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon afternoon, min -10°C on Tue morning). Winds decreasing (fresh winds from the WNW on Sat night, calm by Sun night).

Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sat
28
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
night
AM
Wave Height Map
High Tide
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
4:43AM2.72m
5:36PM2.29m
5:52AM2.62m
6:50PM2.23m
Low Tide
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
10:23PM0.19m
11:15AM-0.02m
11:29PM0.30m
12:27PM0.08m
Wave
height (m) 
direction
period (s) 
0.8
SE
8
0.4
SE
9
0.5
SE
10
1.4
SSE
6
0.9
SE
7
0.8
WSW
3
0.7
WNW
3
0.1
SE
9
0.4
SE
3
0.9
SSE
4
2
SE
7
1.8
SE
8
2.5
SE
8
1.9
SE
10
1.4
SE
10
1.2
SE
11
0.8
SE
10
0.8
SE
10
0.9
SE
10
0.7
SE
9
0.6
SE
9
0.6
SE
8
0.7
SE
8
1.1
ESE
8
1.3
ESE
10
0.9
ESE
10
1
W
4
0.8
WNW
4
0.6
WNW
4
0.5
W
3
0.1
SE
10
0.2
ESE
14
0.6
NNW
3
0.6
NW
3
0.4
SE
9
0.3
SE
8
0.9
SSE
5
0.4
SSE
6
0.4
SE
6
0.5
E
4
0.5
E
4
0.6
ENE
4
0.9
ENE
5
1.3
ENE
6
1.5
E
7
1.5
E
8
1.3
E
9
part cloud
part cloud
cloud
rain showers
part cloud
part cloud
clear
clear
cloud
cloud
mod rain
light rain
mod rain
light rain
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
rain showers
clear
clear
clear
clear
cloud
snow showers
part cloud
part cloud
clear
cloud
cloud
light snow
part cloud
cloud
cloud
cloud
light snow
mod snow
mod snow
cloud
part cloud
cloud
some clouds
some clouds
cloudy
rain shwrs
some clouds
some clouds
clear
clear
cloudy
cloudy
mod rain
light rain
mod rain
light rain
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
rain shwrs
clear
clear
clear
clear
cloudy
snow shwrs
some clouds
some clouds
clear
cloudy
cloudy
light snow
some clouds
cloudy
cloudy
cloudy
light snow
mod snow
mod snow
cloudy
some clouds
cloudy
 km/h
25
WNW
15
W
20
SW
25
SSE
25
W
30
W
25
WNW
10
ESE
20
SE
20
SSE
25
S
25
S
45
S
30
W
30
W
30
WNW
15
WNW
20
SE
15
S
15
SSE
15
SE
5
SE
20
SSW
20
SW
30
WNW
35
WNW
35
WNW
30
WNW
25
WNW
20
WNW
5
NW
10
WNW
25
NW
20
NW
10
WNW
10
S
20
S
10
WSW
5
NW
10
E
15
ENE
15
NE
20
NNE
25
NNE
20
NE
15
NE
10
E
 mm 
5
8
5
6
2
1
1
max°C
0
0
3
4
5
6
1
-1
0
3
8
12
15
8
3
-1
-3
1
-1
1
1
1
2
4
3
-3
0
-3
-4
1
0
0
2
-3
-7
0
1
7
16
3
2
1
1
0
2
3
0
Moonrise
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
11:53
1:09
2:24
Moonset
12:49
1:57
3:07
4:18
5:30
6:43
7:57
9:15
10:34
11:55
1:12
2:20
3:16
3:59
4:33
Sunrise
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
6:35
6:33
6:31
Sunset
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
7:00
7:01
Today's sea temperature in Portsmouth Naval Shipyard (disputed waters) is
3.3° C
(Statistics for 12 Mar 1981-2005 – mean: 3.0 max: 4.2 min: 1.4°C)
Issued (local time): 7 pm Thursday 12 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest