Jaffrey Point, Portsmouth Harbor Sea Conditions and Tide Table

Jaffrey Point, 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 07:25 PM.

Days 1–4 Weather Summary

Light rain (total 5mm), mostly falling on Fri afternoon. Cool air temperatures (max 15°C on Fri morning, min 5°C on Sat afternoon). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 21mm), heaviest during Sun afternoon. Cool air temperatures (max 12°C on Wed morning, min 2°C on Sun night). Mainly fresh winds.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 14°C on Wed afternoon, min 6°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Very mild (max 14°C on Tue afternoon, min 5°C on Sat night). Wind will be generally light.

Thu
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
11:03PM3.08m
11:34AM2.92m
11:46PM3.21m
12:21PM2.94m
00:32AM3.28m
1:10PM2.91m
1:19AM3.28m
2:01PM2.84m
2:10AM3.22m
2:57PM2.73m
3:06AM3.09m
3:59PM2.62m
4:09AM2.95m
5:06PM2.55m
5:18AM2.83m
6:13PM2.52m
6:28AM2.73m
7:19PM2.56m
7:38AM2.69m
8:22PM2.64m
8:42AM2.69m
9:15PM2.74m
9:38AM2.69m
10:02PM2.82m
10:27AM2.69m
10:43PM2.88m
11:13AM2.67m
Low Tide
4:47PM-0.07m
5:18AM-0.28m
5:31PM-0.12m
6:05AM-0.40m
6:17PM-0.13m
6:54AM-0.45m
7:04PM-0.10m
7:44AM-0.43m
7:54PM-0.02m
8:37AM-0.34m
8:48PM0.10m
9:36AM-0.20m
9:50PM0.22m
10:40AM-0.07m
10:57PM0.32m
11:47AM0.03m
00:08AM0.36m
12:54PM0.10m
1:20AM0.34m
1:58PM0.12m
2:27AM0.25m
2:55PM0.12m
3:25AM0.14m
3:44PM0.13m
4:14AM0.04m
4:28PM0.16m
5:00AM-0.02m
5:08PM0.20m
Wave
height (m) 
direction
period (s) 
0.3
SE
8
0.4
SE
8
0.6
SE
8
0.6
E
4
0.4
SE
8
0.8
E
4
1
E
6
1
E
7
1
E
7
0.9
ESE
7
0.7
E
8
0.5
E
7
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.9
SSE
4
1.1
S
5
0.6
SE
6
0.4
SE
7
0.3
ESE
7
0.3
ESE
7
0.5
E
7
0.4
SE
4
0.7
NNE
5
0.8
NNE
4
0.9
NE
5
1.2
ENE
6
0.9
ENE
7
0.6
ENE
7
0.7
NE
6
0.9
ENE
8
0.8
ENE
9
1.5
ENE
7
1.2
E
8
0.8
E
10
0.7
E
11
0.7
E
10
0.6
E
10
0.6
E
9
0.7
E
9
1
E
4
1.7
E
6
1.4
ESE
7
1.1
E
7
0.7
E
6
0.6
E
6
0.4
ESE
6
part cloud
rain showers
cloud
light rain
part cloud
cloud
cloud
cloud
light rain
heavy rain
rain showers
clear
light rain
clear
part cloud
part cloud
rain showers
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
some clouds
rain shwrs
cloudy
light rain
some clouds
cloudy
cloudy
cloudy
light rain
heavy rain
rain shwrs
clear
light rain
clear
some clouds
some clouds
rain shwrs
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
clear
clear
cloudy
clear
clear
clear
clear
clear
clear
clear
cloudy
cloudy
light rain
light rain
light rain
cloudy
cloudy
cloudy
some clouds
 km/h
10
ESE
10
WNW
20
NE
10
NE
10
NE
20
ENE
15
ENE
5
SE
15
SSW
25
NW
20
W
15
WNW
20
NW
10
NNW
10
SSE
30
SSE
20
SSW
20
NW
0
NW
0
WNW
10
SSE
15
SSE
15
WNW
20
NNE
25
NNE
20
N
15
NNE
15
NE
15
NNW
20
NNE
15
NNE
15
NNW
25
ENE
10
SE
10
W
5
SE
15
SSE
5
ESE
20
E
15
E
25
NE
30
NNE
20
N
10
NW
15
N
10
NNW
10
N
 mm 
1
3
1
12
5
1
3
5
2
2
max°C
10
14
15
12
13
7
6
6
9
11
4
6
7
5
5
6
7
12
14
12
9
10
11
9
12
9
8
10
10
11
13
12
8
8
7
13
14
12
9
7
6
5
5
6
10
13
12
Moonrise
5:40
6:09
6:46
7:33
8:33
9:43
10:59
12:15
1:28
2:39
3:46
4:52
5:58
7:03
8:09
Moonset
6:49
8:09
9:32
10:54
12:08
1:10
1:58
2:35
3:03
3:27
3:47
4:06
4:25
4:45
5:07
Sunrise
5:58
5:56
5:54
5:52
5:52
5:50
5:48
5:47
5:46
5:43
5:43
5:41
5:39
5:37
5:37
Sunset
7:25
7:27
7:28
7:29
7:30
7:30
7:32
7:34
7:35
7:36
7:37
7:37
7:39
7:40
7:42
7:43
Today's sea temperature in Jaffrey Point, Portsmouth Harbor is
5.5° C
(Statistics for 16 Apr 1981-2005 – mean: 5.0 max: 6.7 min: 3.3°C)
Issued (local time): 1 pm Thursday 16 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest