Gerrish Island, Portsmouth Harbor Sea Conditions and Tide Table

Gerrish 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 — and sunset is at 07:37 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 17°C on Sun night, min 6°C on Fri night). Wind will be generally light.

Days 5–7 Weather Summary

Moderate rain (total 13mm), heaviest on Tue morning. Cool air temperatures (max 16°C on Thu morning, min 3°C on Tue morning). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 14mm), heaviest on Sat night. Very mild (max 19°C on Thu afternoon, min 9°C on Sat afternoon). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Wed morning. Very mild (max 15°C on Sun afternoon, min 6°C on Sun night). Wind will be generally light.

Fri
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wed
8
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
1:34PM2.49m
1:33AM2.84m
2:14PM2.44m
2:14AM2.83m
2:59PM2.40m
3:00AM2.80m
3:49PM2.38m
3:53AM2.77m
4:45PM2.38m
4:53AM2.74m
5:47PM2.44m
5:58AM2.74m
6:50PM2.55m
7:06AM2.77m
7:51PM2.71m
8:12AM2.83m
8:47PM2.90m
9:13AM2.90m
9:40PM3.08m
10:11AM2.95m
10:31PM3.22m
11:05AM2.97m
11:19PM3.30m
Low Tide
7:22PM0.36m
7:59AM0.05m
8:02PM0.40m
8:42AM0.07m
8:47PM0.44m
9:31AM0.10m
9:39PM0.46m
10:25AM0.12m
10:38PM0.47m
11:25AM0.13m
11:43PM0.43m
12:27PM0.11m
00:51AM0.32m
1:29PM0.05m
1:57AM0.16m
2:27PM-0.02m
2:59AM-0.03m
3:22PM-0.09m
3:56AM-0.21m
4:13PM-0.13m
4:50AM-0.35m
5:03PM-0.13m
5:42AM-0.42m
Wave
height (m) 
direction
period (s) 
0.5
ESE
8
0.4
ESE
8
0.3
ESE
8
0.4
ESE
7
0.4
ESE
8
0.4
ESE
10
0.6
ESE
10
0.6
ESE
9
0.4
ESE
9
0.3
ESE
9
0.4
ESE
10
0.8
ENE
4
0.6
ENE
5
0.4
ESE
9
0.3
ESE
9
0.3
ESE
11
0.3
ESE
11
0.3
ESE
10
0.4
ESE
10
0.4
SSE
5
0.3
ESE
9
0.3
ESE
9
0.4
SSE
4
0.4
SE
11
0.4
ESE
11
0.4
SE
8
0.5
E
5
0.4
ESE
5
0.4
ESE
5
0.3
ESE
6
0.5
E
6
0.4
ESE
7
0.4
ESE
7
0.5
E
6
0.3
ESE
6
0.3
ESE
9
clear
clear
clear
part cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
light rain
light rain
mod rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
heavy rain
cloud
part cloud
part cloud
clear
cloud
part cloud
part cloud
cloud
cloud
light rain
clear
clear
clear
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
light rain
light rain
mod rain
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
heavy rain
cloudy
some clouds
some clouds
clear
cloudy
some clouds
some clouds
cloudy
cloudy
light rain
 km/h
20
SSE
10
WSW
10
ESE
15
SE
10
SSW
15
SSW
15
SSE
10
W
10
ESE
10
SSE
5
NE
20
ENE
10
ENE
5
NNE
5
ESE
10
S
5
SW
10
SSE
10
SSE
10
WSW
10
E
10
ESE
5
E
10
NE
15
NE
5
SW
10
NW
5
S
15
WNW
10
W
5
SSE
10
NW
15
ENE
15
E
10
NW
10
NW
 mm 
4
3
6
2.0
12
3
max°C
9
9
10
10
10
9
14
17
15
13
13
4
3
5
8
9
9
16
19
17
16
15
12
10
10
11
11
15
14
12
14
12
11
10
8
8
Moonrise
10:59
12:04
1:01
1:49
2:27
2:57
3:23
3:46
4:08
4:30
4:55
5:25
Moonset
6:47
7:27
8:18
9:21
10:32
11:49
1:07
2:25
3:43
5:01
6:21
7:42
9:02
Sunrise
5:41
5:39
5:37
5:37
5:35
5:33
5:33
5:31
5:30
5:28
5:26
5:26
Sunset
7:37
7:38
7:40
7:42
7:43
7:44
7:45
7:45
7:46
7:49
7:50
7:51
Today's sea temperature in Gerrish Island, Portsmouth Harbor is 7.3 °C (Statistics for 26 Apr 1981-2005 – mean: 6.3 max: 7.5 min: 4.8°C)
Nearest