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 06:56 AM and sunset is at 06:46 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Cool air temperatures (max 17°C on Sun afternoon, min 1°C on Fri morning). Winds increasing (calm on Fri morning, fresh winds from the S by Sun night).

Days 4–6 Weather Summary

Light rain (total 5mm), mostly falling on Mon morning. Cool air temperatures (max 13°C on Mon morning, min 4°C on Tue morning). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 6mm), mostly falling on Thu night. Freeze-thaw conditions (max 10°C on Thu afternoon, min -3°C on Fri night). Winds increasing (light winds from the SSE on Thu morning, fresh winds from the W by Fri afternoon).

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Tue morning. Freeze-thaw conditions (max 14°C on Mon afternoon, min -1°C on Sun morning). Mainly fresh winds.

Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
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
12:12PM9.12ft
00:32AM8.99ft
12:49PM8.96ft
1:05AM9.02ft
1:25PM8.73ft
1:36AM8.99ft
2:00PM8.43ft
2:07AM8.86ft
2:36PM8.1ft
2:41AM8.66ft
3:16PM7.71ft
3:20AM8.43ft
4:01PM7.35ft
4:06AM8.24ft
4:53PM7.05ft
4:58AM8.1ft
5:49PM6.92ft
5:56AM8.07ft
6:51PM6.96ft
7:00AM8.24ft
7:54PM7.28ft
8:05AM8.6ft
8:50PM7.87ft
Low Tide
5:59AM0.16ft
6:19PM0.1ft
6:37AM0.1ft
6:52PM0.26ft
7:12AM0.1ft
7:23PM0.49ft
7:46AM0.2ft
7:55PM0.75ft
8:22AM0.36ft
8:28PM1.08ft
9:01AM0.62ft
9:07PM1.41ft
9:44AM0.89ft
9:50PM1.71ft
10:34AM1.15ft
10:41PM1.94ft
11:29AM1.28ft
11:36PM2.03ft
12:29PM1.28ft
00:37AM1.94ft
1:32PM1.05ft
1:42AM1.57ft
2:30PM0.62ft
2:43AM0.98ft
Wave
height (ft) 
direction
period (s) 
3
ESE
9
3.5
ESE
9
3
ESE
10
3
ESE
10
3.5
ESE
10
3
ESE
10
3.5
SE
5
4
SE
6
5
SE
7
3.5
SE
8
3.5
SE
8
3
SE
8
2.5
SE
10
2.5
SE
9
2.5
SE
9
2.5
SE
9
2.5
SE
9
2.5
SE
9
3.5
ESE
13
4.5
ESE
12
5
SE
7
4.5
SE
8
4.5
ESE
10
4
ESE
10
3.5
ESE
10
3.5
ESE
10
2.5
ESE
10
2.5
ESE
9
1.5
ESE
9
1.5
E
9
1.5
ESE
10
1.5
ESE
9
2.5
SSE
5
4.5
SSE
6
4.5
SSE
8
3.5
SE
10
clear
clear
part cloud
clear
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
part cloud
part cloud
cloud
cloud
clear
part cloud
clear
clear
cloud
cloud
light rain
light rain
rain showers
rain showers
clear
clear
some clouds
clear
some clouds
some clouds
cloudy
cloudy
light rain
light rain
light rain
cloudy
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
light rain
some clouds
some clouds
cloudy
cloudy
clear
some clouds
clear
clear
cloudy
cloudy
light rain
light rain
rain shwrs
rain shwrs
 mph
5
ESE
5
SSE
5
SSW
10
S
10
SSE
10
SSW
10
S
15
S
20
S
10
SSW
10
NW
5
NNW
5
S
10
S
5
WSW
5
ENE
10
SE
5
SSE
10
SSE
15
SSE
10
S
20
W
25
W
20
WSW
20
WSW
20
WSW
15
WSW
15
W
15
WSW
10
SW
10
WSW
10
SW
10
S
20
SSW
15
SW
10
SW
 in 
0.1
0.1
0.08
0.2
0.04
0.04
0.2
0.1
0.04
max°F
37
41
41
45
50
46
54
63
59
55
55
48
43
54
54
45
46
46
48
50
48
39
39
30
30
37
32
37
50
43
48
57
52
54
55
54
Moonrise
7:24
8:26
9:29
10:33
11:38
12:43
1:46
2:44
3:35
4:17
4:51
Moonset
7:05
7:22
7:39
7:58
8:20
8:47
9:20
10:02
10:55
11:58
1:09
2:25
Sunrise
6:56
6:54
6:54
6:52
6:50
6:48
6:47
6:45
6:43
6:41
6:39
6:37
Sunset
6:46
6:47
6:49
6:51
6:52
6:52
6:53
6:54
6:57
6:58
6:59
7:00
Today's sea temperature in Jaffrey Point, Portsmouth Harbor is 38 °F (Statistics for 14 Mar 1981-2005 – mean: 38 max: 40 min: 35°F)
Issued (local time): 7 am Friday 14 Mar 2025
Forecast update inUpdates in 3 hr 38 min 19 sUpdate imminent
Nearest