Portsmouth, Southern Branch Sea Conditions and Tide Table

Portsmouth, Southern Branch 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 05:47 PM.

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Wed afternoon. Icy conditions (max 5°C on Tue afternoon, min -7°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 7°C on Mon morning, min -3°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 16°C on Tue afternoon, min 6°C on Mon night). Winds decreasing (fresh winds from the W on Tue night, light winds from the ENE by Wed night).

Days 11–13 Weather Summary

Heavy rain (total 24mm), heaviest during Thu afternoon. Very mild (max 14°C on Thu night, min 1°C on Fri night). Winds decreasing (fresh winds from the NW on Fri morning, light winds from the ESE by Sun afternoon).

Tue
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
1
Sun
2
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
1:14AM2.56ft
1:28PM2.2ft
2:01AM2.53ft
2:17PM2.1ft
2:56AM2.49ft
3:15PM2.03ft
3:59AM2.53ft
4:20PM2.03ft
5:03AM2.66ft
5:24PM2.17ft
6:02AM2.82ft
6:23PM2.33ft
6:56AM3.02ft
7:17PM2.59ft
7:46AM3.18ft
8:06PM2.85ft
8:32AM3.28ft
8:53PM3.08ft
9:18AM3.31ft
9:40PM3.28ft
10:04AM3.28ft
10:27PM3.41ft
10:50AM3.15ft
Low Tide
6:55PM0.16ft
7:43AM0.46ft
7:37PM0.3ft
8:36AM0.59ft
8:26PM0.36ft
9:37AM0.66ft
9:23PM0.39ft
10:43AM0.62ft
10:27PM0.33ft
11:44AM0.52ft
11:30PM0.2ft
12:39PM0.33ft
00:29AM0.03ft
1:27PM0.1ft
1:24AM-0.16ft
2:11PM-0.13ft
2:17AM-0.36ft
2:53PM-0.33ft
3:07AM-0.52ft
3:35PM-0.49ft
3:58AM-0.59ft
4:17PM-0.56ft
4:48AM-0.56ft
Wave
height (ft) 
direction
period (s) 
part cloud
clear
light snow
heavy snow
mod snow
light snow
part cloud
clear
part cloud
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
clear
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
cloud
heavy rain
light rain
part cloud
clear
clear
cloud
part cloud
cloud
light rain
some clouds
clear
light snow
heavy snow
mod snow
light snow
some clouds
clear
some clouds
clear
clear
some clouds
cloudy
some clouds
some clouds
cloudy
clear
some clouds
some clouds
some clouds
cloudy
clear
clear
clear
clear
clear
cloudy
heavy rain
light rain
some clouds
clear
clear
cloudy
some clouds
cloudy
light rain
 mph
10
NNE
10
NE
10
NNE
10
NNE
10
NNE
10
NW
10
NW
10
WNW
10
NW
5
WNW
5
NNW
5
NNW
5
S
10
SSW
5
W
0
NNE
0
NNW
5
SSW
10
SSW
10
SW
10
SW
15
SSW
20
W
10
WNW
10
WNW
5
NNW
5
ESE
10
E
15
W
20
WNW
20
NW
5
W
10
SW
15
SSW
15
SSW
10
W
 in 
0.5
0.1
0.1
max°F
41
34
25
25
27
27
30
25
30
37
34
28
32
36
39
41
39
45
46
45
57
61
59
54
55
50
50
54
57
46
46
43
48
52
50
50
Moonrise
11:51
12:52
1:54
2:55
3:51
4:41
5:24
6:01
6:33
7:02
7:30
7:57
Moonset
9:30
9:58
10:32
11:12
12:01
1:00
2:06
3:17
4:31
5:44
6:58
8:11
9:25
Sunrise
6:48
6:47
6:46
6:45
6:43
6:41
6:41
6:39
6:37
6:37
6:35
6:33
Sunset
5:47
5:49
5:50
5:51
5:52
5:52
5:53
5:54
5:55
5:57
5:58
5:59
Today's sea temperature in Portsmouth, Southern Branch is 45 °F (Statistics for 18 Feb 1981-2005 – mean: 51 max: 56 min: 44°F)
Issued (local time): 6 pm Tuesday 18 Feb 2025
Forecast update inUpdates in 2 hr 37 min 13 sUpdate imminent
Nearest