Seavey Island, Portsmouth Harbor Sea Conditions and Tide Table

Seavey Island, Portsmouth Harbor 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 05:47 AM and sunset is at 07:35 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Wed morning. Icy conditions (max 12°C on Tue afternoon, min -3°C on Wed night). Winds increasing (light winds from the SW on Tue morning, fresh winds from the WNW by Wed afternoon).

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Sun morning. Cool air temperatures (max 14°C on Sun afternoon, min 5°C on Fri morning). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 12mm), heaviest on Tue night. Warm (max 20°C on Wed afternoon, min 8°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 15°C on Sat afternoon, min 9°C on Thu night). Wind will be generally light.

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
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
Wave Height Map
High Tide
12:03PM2.44m
00:11AM2.58m
12:39PM2.42m
00:44AM2.62m
1:14PM2.39m
1:18AM2.64m
1:52PM2.36m
1:55AM2.65m
2:31PM2.32m
2:36AM2.64m
3:17PM2.26m
3:23AM2.61m
4:11PM2.22m
4:20AM2.57m
5:13PM2.21m
5:24AM2.55m
6:17PM2.26m
6:31AM2.55m
7:20PM2.37m
7:38AM2.59m
8:21PM2.52m
8:43AM2.66m
9:16PM2.70m
Low Tide
5:48AM0.14m
5:59PM0.28m
6:24AM0.09m
6:32PM0.30m
7:00AM0.06m
7:06PM0.33m
7:38AM0.05m
7:43PM0.36m
8:19AM0.06m
8:24PM0.40m
9:05AM0.09m
9:11PM0.45m
9:57AM0.13m
10:06PM0.49m
10:56AM0.15m
11:08PM0.49m
11:57AM0.16m
00:13AM0.45m
12:57PM0.13m
1:18AM0.34m
1:58PM0.09m
2:24AM0.19m
2:56PM0.02m
3:25AM0.01m
Wave
height (m) 
direction
period (s) 
0.4
ESE
10
1
SE
4
0.7
SE
4
1
ESE
10
1.3
ESE
10
1.1
ESE
9
0.6
ESE
9
0.4
ESE
8
0.4
ESE
9
0.3
ESE
9
0.7
SSE
3
0.5
ESE
8
0.3
ESE
8
0.4
ESE
8
0.4
ESE
11
0.6
ESE
10
0.5
ESE
10
0.4
ESE
9
0.5
SE
6
0.5
SE
6
0.4
ESE
9
0.4
ESE
8
0.4
ESE
8
0.6
SE
4
0.4
ESE
8
0.4
ESE
8
0.4
ESE
13
0.3
ESE
12
0.5
ESE
12
0.8
ENE
6
0.9
ENE
7
0.7
ENE
7
0.6
E
7
0.6
E
7
0.8
E
7
0.6
E
8
clear
clear
part cloud
light rain
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
light rain
light rain
part cloud
cloud
cloud
cloud
cloud
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
some clouds
light rain
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
light rain
light rain
some clouds
cloudy
cloudy
cloudy
cloudy
rain shwrs
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
 km/h
15
S
25
SSE
10
S
15
SSW
35
WNW
20
WNW
15
NW
15
NW
10
N
5
ESE
20
SSE
5
W
5
SE
15
SSE
15
SSW
15
SSW
10
SSE
5
SSW
10
ENE
10
E
5
NE
5
SSE
15
SSE
10
WSW
15
NW
20
NW
15
NW
5
N
15
NE
10
NNE
15
NE
5
ESE
5
NNW
10
ESE
15
SSE
10
SW
 mm 
3
3
1.0
1.0
10
1.0
max°C
11
12
7
7
12
3
5
11
10
9
11
8
12
13
12
9
14
13
10
10
8
11
14
15
19
20
14
14
14
12
10
13
12
14
15
14
Moonrise
7:34
8:41
9:51
10:59
12:04
1:02
1:49
2:27
2:57
3:23
3:46
Moonset
5:30
5:51
6:16
6:47
7:27
8:19
9:21
10:32
11:49
1:07
2:25
3:43
Sunrise
5:47
5:46
5:43
5:43
5:41
5:39
5:37
5:37
5:35
5:33
5:33
5:31
Sunset
7:35
7:36
7:37
7:38
7:39
7:40
7:42
7:43
7:44
7:45
7:46
7:47
Today's sea temperature in Seavey Island, Portsmouth Harbor is 7.2 °C (Statistics for 23 Apr 1981-2005 – mean: 6.0 max: 7.0 min: 4.8°C)
Nearest