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 06:31 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 16°C on Thu afternoon, min 13°C on Wed night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Tue morning, min 15°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Warm (max 27°C on Tue afternoon, min 12°C on Wed morning). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 16mm), heaviest on Mon afternoon. Warm (max 23°C on Fri afternoon, min 14°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the SE by Mon morning).

Wed
27
Thursday
28
Friday
29
Saturday
30
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Mon
9
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
10:04PM3.12m
10:37AM2.97m
10:59PM3.20m
11:26AM3.12m
11:51PM3.21m
12:14PM3.21m
00:42AM3.15m
1:01PM3.22m
1:32AM3.03m
1:48PM3.16m
2:24AM2.87m
2:36PM3.04m
3:17AM2.69m
3:28PM2.89m
4:14AM2.51m
4:23PM2.74m
5:14AM2.37m
5:23PM2.61m
6:18AM2.30m
6:27PM2.53m
7:20AM2.28m
7:30PM2.51m
8:16AM2.32m
Low Tide
3:45PM-0.04m
4:22AM-0.23m
4:42PM-0.21m
5:11AM-0.30m
5:35PM-0.34m
5:59AM-0.31m
6:26PM-0.39m
6:46AM-0.25m
7:17PM-0.37m
7:34AM-0.12m
8:08PM-0.28m
8:22AM0.04m
9:00PM-0.14m
9:12AM0.22m
9:55PM0.03m
10:07AM0.39m
10:54PM0.18m
11:06AM0.52m
11:57PM0.30m
12:10PM0.60m
1:00AM0.36m
1:13PM0.60m
1:59AM0.36m
Wave
height (m) 
direction
period (s) 
0.8
ESE
8
0.7
ESE
8
0.8
ESE
9
0.8
ESE
9
0.7
ESE
8
0.7
ESE
8
0.7
ESE
8
0.6
ESE
12
0.6
ESE
11
0.7
SE
11
0.8
SE
10
0.8
SE
10
1
SE
10
1.1
SE
10
1
ESE
10
0.9
ESE
9
0.9
ESE
9
0.8
ESE
9
0.8
ESE
8
0.9
ESE
8
1.2
E
5
1.1
E
6
0.8
ESE
11
0.8
ESE
11
0.9
SE
16
1
SE
15
1
ESE
15
0.9
ESE
14
0.8
ESE
13
0.8
ESE
12
0.9
ESE
12
0.9
ESE
12
1
ESE
12
1.1
ESE
12
1.1
ESE
12
1.8
SE
6
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
rain showers
mod rain
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
mod rain
 km/h
10
E
5
NW
5
E
10
SE
5
NW
5
ESE
5
E
10
N
10
NE
10
ESE
10
NW
5
ENE
10
SSE
5
WNW
5
ENE
10
SE
10
SW
10
SW
5
SW
25
NE
20
ENE
15
ENE
5
SSE
10
S
15
SSE
5
WSW
5
SSE
10
SE
5
SW
10
S
20
SSE
15
SSW
15
S
25
SSE
20
SSE
25
SSE
 mm 
2.0
8
max°C
15
14
15
16
15
14
15
14
15
17
16
17
20
18
20
21
19
23
27
24
12
12
14
17
19
19
21
23
22
22
23
20
17
19
18
17
Moonrise
5:59
6:23
6:45
7:08
7:34
8:04
8:40
9:24
10:17
11:16
12:19
1:23
Moonset
3:59
5:20
6:40
7:59
9:17
10:34
11:49
12:58
1:59
2:49
3:29
4:01
4:27
Sunrise
6:35
6:37
6:37
6:39
6:39
6:41
6:41
6:43
6:45
6:46
6:47
6:48
Sunset
6:31
6:30
6:28
6:25
6:23
6:22
6:21
6:19
6:16
6:15
6:14
6:12
Today's sea temperature in Gerrish Island, Portsmouth Harbor is 16.1 °C (Statistics for 27 Sep 1981-2005 – mean: 15.2 max: 16.4 min: 13.8°C)
Nearest