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 07:01 AM and sunset is at 06:45 PM.

Days 1–3 Weather Summary

Light rain (total 5mm), mostly falling on Fri night. Icy conditions (max 13°C on Thu morning, min -4°C on Sat night). Winds increasing (light winds from the W on Fri morning, fresh winds from the W by Sat afternoon).

Days 4–6 Weather Summary

Heavy rain (total 31mm), heaviest during Mon morning. Icy conditions (max 14°C on Mon night, min -4°C on Sun morning). Winds increasing (light winds from the E on Sun morning, strong winds from the S by Mon night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Fri afternoon, min -3°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 26°C on Mon afternoon, min 1°C on Sat morning). Wind will be generally light.

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Fri
27
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
AM
PM
Wave Height Map
High Tide
6:10AM2.38m
7:02PM2.07m
7:12AM2.39m
8:03PM2.11m
8:12AM2.45m
8:57PM2.21m
9:05AM2.55m
9:43PM2.35m
9:52AM2.68m
10:23PM2.52m
10:35AM2.79m
11:01PM2.69m
11:17AM2.89m
11:38PM2.86m
11:58AM2.95m
00:16AM3.00m
12:41PM2.96m
00:57AM3.10m
1:26PM2.93m
1:40AM3.13m
2:14PM2.83m
2:28AM3.11m
3:07PM2.71m
3:20AM3.02m
4:06PM2.56m
4:20AM2.91m
5:13PM2.44m
5:29AM2.80m
6:27PM2.38m
Low Tide
12:45PM0.48m
00:49AM0.67m
1:47PM0.45m
1:51AM0.62m
2:42PM0.37m
2:46AM0.51m
3:29PM0.26m
3:35AM0.35m
4:09PM0.13m
4:19AM0.18m
4:48PM0.01m
5:01AM0.01m
5:25PM-0.09m
5:43AM-0.15m
6:03PM-0.15m
6:26AM-0.27m
6:43PM-0.17m
7:11AM-0.33m
7:26PM-0.14m
7:59AM-0.33m
8:12PM-0.05m
8:50AM-0.26m
9:03PM0.06m
9:48AM-0.15m
10:00PM0.20m
10:52AM-0.02m
11:06PM0.32m
12:04PM0.08m
Wave
height (m) 
direction
period (s) 
1.1
SE
7
0.8
SE
8
0.7
SE
8
0.4
SE
9
0.5
SE
10
1.3
SSE
6
0.9
SE
8
1
W
4
0.7
WNW
4
0.1
SE
9
0.4
SE
3
1
SSE
5
2.3
SE
8
2.3
SE
9
2.5
SE
9
1.6
SE
10
1.3
SE
11
1.1
SE
10
1
SE
10
1
SE
10
0.9
SE
10
0.8
SE
9
0.8
SE
9
0.8
SE
9
0.9
SE
8
1.1
SE
5
0.8
ESE
8
1
ESE
10
1.1
ESE
10
1.1
ESE
10
1.2
ESE
9
1.4
ESE
9
1
ESE
10
0.7
ESE
10
0.6
ESE
10
0.7
ESE
10
0.9
ENE
4
0.8
ENE
5
0.5
E
5
0.7
SE
6
0.7
SSE
6
0.8
W
3
1
W
4
0.9
WNW
4
0.6
NW
3
0.4
NW
3
0.4
SE
9
cloud
light rain
clear
part cloud
cloud
light rain
part cloud
part cloud
clear
part cloud
cloud
light rain
heavy rain
mod rain
mod rain
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
heavy rain
snow showers
clear
clear
clear
clear
part cloud
cloudy
light rain
clear
some clouds
cloudy
light rain
some clouds
some clouds
clear
some clouds
cloudy
light rain
heavy rain
mod rain
mod rain
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
cloudy
heavy rain
snow shwrs
clear
clear
clear
clear
some clouds
 km/h
30
W
25
NW
25
WNW
15
WSW
15
SSW
20
SSW
30
W
35
WNW
30
WNW
5
E
20
SSE
25
SSE
25
S
30
S
40
S
30
W
25
W
15
WNW
20
W
25
WNW
10
NNW
10
E
15
SE
10
S
25
S
20
S
15
W
5
NNE
15
SSE
15
S
20
SSW
25
SW
20
SW
20
WSW
15
W
20
NE
25
ENE
15
NE
5
SSE
5
SSE
25
WNW
30
W
40
WNW
35
NW
25
WNW
20
NW
15
NW
 mm 
1
4
2
16
6
7
11
4
max°C
13
2
0
1
4
5
3
5
1
-1
0
3
9
12
14
0
4
1
-1
2
1
-2
-2
0
2
4
4
4
6
3
10
19
17
20
26
22
5
2
6
11
9
3
-1
1
-2
-1
4
Moonrise
3:31
4:16
4:53
5:23
5:48
6:11
6:32
6:53
7:15
7:40
8:11
8:50
9:40
10:42
11:53
1:09
Moonset
11:48
12:49
1:57
3:07
4:18
5:30
6:43
7:57
9:14
10:34
11:55
1:12
2:20
3:16
3:59
Sunrise
7:01
6:58
6:56
6:54
6:54
6:52
6:50
6:48
6:47
6:45
6:43
6:41
6:39
6:37
6:35
6:33
Sunset
6:45
6:45
6:46
6:47
6:49
6:51
6:52
6:52
6:53
6:54
6:55
6:58
6:59
7:00
7:00
7:01
Today's sea temperature in Jaffrey Point, Portsmouth Harbor is
3.3° C
(Statistics for 12 Mar 1981-2005 – mean: 3.0 max: 4.2 min: 1.4°C)
Issued (local time): 1 am Thursday 12 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest