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 07:42 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Thu night. Warm air temperatures (max 22°C on Sat morning, min 8°C on Wed night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Sat night. Warm air temperatures (max 22°C on Sat afternoon, min 7°C on Mon morning). Winds decreasing (fresh winds from the S on Sat afternoon, calm by Mon night).

Days 8–10 Weather Summary

Mostly dry. Warm (max 20°C on Wed morning, min 11°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Some drizzle, heaviest during Sun night. Very mild (max 18°C on Fri afternoon, min 7°C on Fri night). Winds decreasing (fresh winds from the NW on Fri afternoon, light winds from the SW by Mon afternoon).

Wed
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
Friday
9
Saturday
10
Sunday
11
Mon
12
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
2:16PM2.71m
2:24AM3.07m
3:12PM2.59m
3:21AM2.92m
4:12PM2.47m
4:22AM2.75m
5:16PM2.37m
5:28AM2.59m
6:22PM2.32m
6:36AM2.47m
7:26PM2.32m
7:43AM2.41m
8:25PM2.36m
8:44AM2.38m
9:17PM2.42m
9:38AM2.37m
10:02PM2.48m
10:26AM2.38m
10:41PM2.54m
11:09AM2.38m
11:18PM2.58m
11:49AM2.38m
11:51PM2.60m
Low Tide
8:07PM-0.02m
8:52AM-0.34m
9:03PM0.11m
9:51AM-0.18m
10:03PM0.24m
10:53AM-0.02m
11:08PM0.36m
11:58AM0.12m
00:18AM0.43m
1:02PM0.20m
1:26AM0.43m
2:03PM0.25m
2:30AM0.38m
2:57PM0.28m
3:25AM0.31m
3:45PM0.30m
4:13AM0.23m
4:27PM0.31m
4:56AM0.16m
5:05PM0.33m
5:35AM0.11m
5:39PM0.35m
6:11AM0.08m
Wave
height (m) 
direction
period (s) 
0.6
ESE
9
0.4
SE
9
0.3
ESE
9
0.7
SSE
4
0.7
SSE
5
0.6
SE
5
0.6
SE
5
0.7
SE
6
0.7
SE
7
1.4
SSE
6
1
SSE
7
0.6
SSE
7
0.5
SE
7
0.5
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.5
SE
8
0.7
SE
8
0.7
SE
8
0.6
ESE
8
0.6
SE
8
0.9
SE
4
0.8
SE
6
0.6
SE
8
0.7
NW
3
0.4
SE
8
0.4
SE
8
0.3
SE
8
0.3
SE
7
0.3
SE
7
0.4
SSE
4
0.4
SSE
6
0.2
SSE
7
clear
part cloud
clear
part cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
light rain
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
part cloud
clear
some clouds
clear
some clouds
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
rain shwrs
light rain
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
light rain
some clouds
 km/h
20
WNW
5
NW
10
S
25
SSE
15
S
10
SSE
5
SE
10
SSW
20
SSW
30
S
15
W
15
W
15
WNW
15
NW
10
NE
10
ESE
5
NW
10
ESE
15
SSE
10
WSW
5
ENE
10
SE
5
S
15
SSE
25
SSE
15
WSW
25
NW
25
NW
15
WNW
20
NW
15
WNW
10
WSW
10
SW
20
WSW
10
WNW
10
NW
 mm 
1
3
1
1
max°C
16
13
12
12
11
11
19
21
22
22
19
15
16
15
11
13
12
11
12
12
20
20
16
13
16
17
20
18
13
10
16
14
13
18
15
13
Moonrise
7:15
8:16
9:26
10:39
11:51
12:59
2:05
3:08
4:10
5:12
6:15
7:19
8:25
Moonset
11:57
12:55
1:39
2:13
2:38
3:00
3:18
3:35
3:52
4:10
4:30
4:54
Sunrise
5:37
5:35
5:33
5:33
5:31
5:30
5:28
5:28
5:26
5:24
5:24
5:22
Sunset
7:42
7:43
7:44
7:45
7:46
7:47
7:49
7:50
7:51
7:52
7:52
7:53
Today's sea temperature in Portsmouth Naval Shipyard (disputed waters) is 6.9 °C (Statistics for 30 Apr 1981-2005 – mean: 6.7 max: 8.1 min: 5.3°C)
Issued (local time): 1 pm Wednesday 30 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest