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 04:27 PM.

Days 1–4 Weather Summary

Moderate rain (total 12mm), heaviest on Mon morning. Cool air temperatures (max 14°C on Sat morning, min 5°C on Sat night). Winds decreasing (fresh winds from the SSW on Fri afternoon, calm by Sat night).

Days 5–7 Weather Summary

Some drizzle, heaviest during Mon afternoon. Icy conditions (max 9°C on Mon afternoon, min -1°C on Mon night). Winds increasing (light winds from the WNW on Mon afternoon, fresh winds from the W by Tue afternoon).

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Sun morning. Freeze-thaw conditions (max 9°C on Sun morning, min -2°C on Fri night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 3mm), mostly falling on Sun afternoon. Freeze-thaw conditions (max 10°C on Sun afternoon, min -1°C on Mon night). Mainly fresh winds.

Fri
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wed
19
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
00:21AM2.88m
12:30PM3.33m
1:18AM2.77m
1:27PM3.19m
2:19AM2.66m
2:29PM3.02m
3:23AM2.57m
3:35PM2.85m
4:30AM2.53m
4:44PM2.72m
5:35AM2.53m
5:52PM2.63m
6:36AM2.58m
6:55PM2.59m
7:29AM2.64m
7:52PM2.57m
8:17AM2.70m
8:43PM2.55m
8:59AM2.75m
9:28PM2.54m
9:37AM2.78m
10:09PM2.52m
10:12AM2.79m
Low Tide
6:04PM-0.51m
6:13AM-0.06m
6:59PM-0.41m
7:09AM0.05m
7:58PM-0.27m
8:09AM0.19m
9:00PM-0.12m
9:15AM0.30m
10:05PM0.02m
10:25AM0.37m
11:10PM0.11m
11:35AM0.38m
00:12AM0.17m
12:41PM0.33m
1:08AM0.21m
1:39PM0.26m
1:58AM0.23m
2:30PM0.18m
2:43AM0.26m
3:15PM0.11m
3:23AM0.30m
3:56PM0.07m
4:00AM0.33m
Wave
height (m) 
direction
period (s) 
0.6
S
3.0
1.2
SSE
6.0
0.6
SSE
8.0
0.6
SSE
8.0
0.4
SSE
7.0
0.6
SE
6.0
1
ESE
4.0
1.5
ESE
6.0
1.3
ESE
7.0
1.1
ESE
7.0
1.1
SE
8.0
0.7
SE
8.0
0.8
SE
9.0
0.7
WSW
4.0
0.7
SW
4.0
0.8
SW
4.0
0.6
SW
3.0
0.4
SE
10.0
0.4
SE
10.0
0.4
WNW
3.0
0.4
SE
9.0
0.4
WNW
2.0
0.4
NE
5.0
0.2
ESE
8.0
0.3
ESE
16.0
0.2
E
15.0
0.3
ESE
16.0
0.4
SE
4.0
0.7
W
3.0
0.7
W
3.0
0.7
W
3.0
0.7
W
3.0
0.6
W
3.0
0.6
WNW
3.0
0.7
WNW
3.0
0.4
WNW
3.0
cloud
light rain
part cloud
clear
part cloud
cloud
light rain
light rain
light rain
light rain
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
light rain
cloud
light rain
light rain
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
cloudy
light rain
some clouds
clear
some clouds
cloudy
light rain
light rain
light rain
light rain
clear
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
light rain
cloudy
light rain
light rain
clear
some clouds
clear
clear
clear
clear
some clouds
cloudy
 km/h
25
S
25
SW
15
WSW
15
WNW
5
NNW
15
ESE
25
ESE
25
E
20
N
5
WNW
25
WSW
25
W
30
W
25
WSW
25
SW
25
SW
25
W
20
W
15
W
20
WNW
15
NW
20
WNW
10
WNW
10
W
15
SW
5
NW
10
SE
5
WSW
30
W
30
WNW
25
WNW
30
W
30
WNW
30
WNW
25
W
20
WNW
 mm 
2
2
5
3
1
1
2
2
max°C
11
12
14
12
6
9
10
11
9
9
5
4
2
1
6
5
6
9
7
4
6
4
-1
5
2
5
9
10
10
6
4
2
5
4
0
4
Moonrise
5:49
6:54
8:08
9:24
10:38
11:48
12:55
1:59
3:02
4:06
5:09
6:14
Moonset
9:20
10:31
11:27
12:09
12:41
1:06
1:27
1:46
2:04
2:21
2:41
3:03
3:30
Sunrise
6:26
6:26
6:28
6:30
6:31
6:31
6:33
6:35
6:35
6:37
6:39
6:39
Sunset
4:27
4:25
4:24
4:22
4:22
4:21
4:20
4:19
4:19
4:17
4:16
4:15
Today's sea temperature in Jaffrey Point, Portsmouth Harbor is 11.6 °C (Statistics for 07 Nov 1981-2005 – mean: 10.4 max: 11.6 min: 9.3°C)
Issued (local time): 6 pm Friday 07 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest