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 04:07 PM.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Icy conditions (max 13°C on Fri morning, min -3°C on Tue night). Winds increasing (light winds from the WSW on Wed night, strong winds from the S by Fri morning).

Days 5–7 Weather Summary

Moderate rain (total 10mm), heaviest on Fri afternoon. Icy conditions (max 13°C on Fri afternoon, min -7°C on Sun night). Winds decreasing (fresh winds from the S on Fri afternoon, light winds from the W by Sat afternoon).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Wed morning, min -9°C on Mon night). Winds decreasing (fresh winds from the NW on Mon afternoon, calm by Thu morning).

Days 11–13 Weather Summary

A dusting of snow turning to light rain (total 2mm) on Fri afternoon. Freeze-thaw conditions (max 7°C on Fri night, min -8°C on Sat night). Winds increasing (light winds from the SW on Fri morning, fresh winds from the NW by Sat afternoon).

Tue
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sun
28
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
9:01PM2.35m
9:06AM2.68m
9:45PM2.36m
9:45AM2.71m
10:25PM2.37m
10:22AM2.74m
11:02PM2.37m
10:58AM2.76m
11:38PM2.37m
11:34AM2.76m
00:14AM2.37m
12:10PM2.76m
00:51AM2.38m
12:49PM2.75m
1:29AM2.41m
1:30PM2.72m
2:10AM2.45m
2:15PM2.69m
2:55AM2.52m
3:05PM2.63m
3:42AM2.60m
4:00PM2.58m
4:34AM2.69m
Low Tide
2:48PM0.18m
2:51AM0.43m
3:31PM0.13m
3:30AM0.42m
4:11PM0.10m
4:08AM0.42m
4:48PM0.08m
4:44AM0.41m
5:24PM0.07m
5:19AM0.40m
5:59PM0.06m
5:56AM0.39m
6:34PM0.06m
6:35AM0.38m
7:12PM0.06m
7:17AM0.36m
7:51PM0.06m
8:02AM0.34m
8:34PM0.07m
8:53AM0.31m
9:21PM0.09m
9:48AM0.25m
10:11PM0.11m
10:48AM0.18m
Wave
height (m) 
direction
period (s) 
0.4
SE
10
0.7
SSW
4
1.1
SSW
4
0.9
SSW
4
0.7
W
3
0.2
ESE
10
0.6
S
3
0.9
SE
5
1.7
SE
6
3
SE
9
1.6
SE
10
1.2
SE
10
0.9
SE
10
0.8
SE
10
0.9
ESE
11
0.8
ESE
11
0.9
ESE
11
0.9
ESE
11
0.9
NW
4
0.6
ESE
10
0.4
ESE
10
0.4
ESE
10
0.7
SW
4
0.7
W
3
0.9
NW
4
0.4
WNW
3
0.3
NW
2
0.1
SE
10
0.4
S
3
0.2
SSE
4
0.4
S
3
0.7
SSE
6
0.5
WNW
3
0.7
NW
3
0.9
NW
4
0.7
WNW
4
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
light rain
mod rain
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
clear
part cloud
clear
part cloud
part cloud
cloud
light snow
cloud
light rain
light rain
part cloud
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
cloudy
light rain
mod rain
clear
clear
some clouds
cloudy
clear
clear
clear
clear
clear
clear
cloudy
cloudy
clear
some clouds
clear
some clouds
some clouds
cloudy
light snow
cloudy
light rain
light rain
some clouds
clear
clear
clear
 km/h
15
SSW
25
SW
30
SW
25
WSW
25
WNW
10
S
20
S
10
S
35
S
35
S
35
W
30
WNW
20
WNW
25
SSW
20
WSW
20
WSW
30
WNW
35
NW
35
NW
25
WNW
15
WNW
20
SW
20
WSW
30
NW
35
NW
20
WNW
10
NW
10
SSW
15
SW
5
SW
15
SSW
25
WSW
25
NW
30
NW
35
NW
30
WNW
 mm 
2
10
1
1
max°C
0
-1
5
6
4
3
4
10
13
13
4
-1
-1
3
6
5
-1
-4
-5
-7
-3
0
0
2
-3
-6
-4
-2
-1
3
5
7
2
-2
-6
-6
Moonrise
5:10
6:13
7:11
8:03
8:47
9:22
9:52
10:16
10:37
10:57
11:18
11:39
Moonset
2:03
2:41
3:28
4:23
5:26
6:33
7:42
8:51
10:00
11:10
12:21
Sunrise
7:07
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:13
7:13
7:13
Sunset
4:07
4:08
4:08
4:09
4:09
4:09
4:10
4:12
4:12
4:13
4:13
4:14
Today's sea temperature in Jaffrey Point, Portsmouth Harbor is
7.2° C
(Statistics for 16 Dec 1981-2005 – mean: 7.0 max: 8.7 min: 5.6°C)
Issued (local time): 6 pm Tuesday 16 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest