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 07:03 AM and sunset is at 06:42 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Thu morning. Icy conditions (max 21°C on Tue afternoon, min -2°C on Thu night). Winds increasing (light winds from the ESE on Wed night, fresh winds from the W by Thu morning).

Days 4–6 Weather Summary

A dusting of snow turning to light rain (total 4mm) on Fri night. Icy conditions (max 12°C on Sun night, min -2°C on Fri morning). Winds increasing (calm on Sat night, fresh winds from the S by Sun night).

Days 7–9 Weather Summary

Moderate rain (total 11mm), heaviest on Mon morning. Freeze-thaw conditions (max 14°C on Mon afternoon, min -7°C on Tue night). Winds decreasing (fresh winds from the S on Mon morning, light winds from the WNW by Wed night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 7°C on Fri afternoon, min -2°C on Thu morning). Winds decreasing (fresh winds from the SSE on Thu afternoon, calm by Sun morning).

Tuesday
10
Wednesday
11
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
Wed
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
5:01PM2.19m
5:11AM2.43m
5:59PM2.10m
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
Low Tide
10:45AM0.34m
10:51PM0.58m
11:42AM0.44m
11:48PM0.65m
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
Wave
height (m) 
direction
period (s) 
0.5
ESE
8
0.5
ESE
8
0.5
ESE
8
1
ENE
5
0.8
E
6
1.1
SE
6
1
SE
8
0.7
SE
8
0.6
SE
8
0.4
SE
8
0.8
SSE
3
1.5
SSE
6
1
SE
7
0.8
SE
7
0.4
ESE
7
0.3
ESE
8
0.9
SSE
4
1.4
SE
6
2
SE
8
2.1
SE
9
1.3
SE
9
1.1
SE
9
1.1
SE
10
0.9
SE
10
0.9
SE
10
0.8
SE
9
0.6
SE
9
0.6
SE
8
1.3
SSE
5
0.9
SE
9
0.9
ESE
8
0.8
ESE
8
0.7
SE
9
0.9
ESE
10
0.9
ESE
10
0.7
ESE
10
0.6
ESE
9
0.6
ESE
9
0.5
ESE
8
1
ENE
6
0.8
ENE
6
0.4
ESE
8
0.4
ESE
8
0.3
ESE
8
0.4
SE
3
1
SE
5
1.1
SE
7
clear
part cloud
part cloud
cloud
cloud
part cloud
light rain
part cloud
part cloud
clear
cloud
light snow
part cloud
part cloud
part cloud
cloud
cloud
light rain
mod rain
light rain
light rain
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
light snow
light snow
light snow
light rain
clear
some clouds
some clouds
cloudy
cloudy
some clouds
light rain
some clouds
some clouds
clear
cloudy
light snow
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
mod rain
light rain
light rain
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
light snow
light snow
light snow
light rain
 km/h
15
SW
20
WSW
15
NNE
20
NE
15
E
25
SSW
30
W
25
WNW
25
WNW
15
W
25
SSE
30
SSE
25
WNW
25
W
10
NW
10
SSE
25
SSE
30
S
40
S
35
SSW
25
W
30
W
25
WNW
20
WNW
25
WNW
20
WNW
10
S
15
SSW
30
SSE
15
SSW
25
SSW
20
SW
15
W
25
WNW
15
NW
5
NE
10
SSE
5
SSW
10
NW
15
NE
15
SSE
10
WNW
0
SE
10
SSE
15
S
20
S
15
WSW
 mm 
1
3
1
6
2
3
1
4
max°C
16
21
18
2
3
15
12
5
-1
1
4
5
4
7
2
1
4
12
13
14
8
-1
1
-2
-4
0
0
1
3
2
2
7
5
4
7
5
4
9
8
-3
-2
-3
-2
-2
0
3
7
Moonrise
1:40
2:39
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
Moonset
10:08
10:54
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
Sunrise
7:03
7:01
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
Sunset
6:42
6:43
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
Today's sea temperature in Jaffrey Point, Portsmouth Harbor is
2.6° C
(Statistics for 10 Mar 1981-2005 – mean: 3.0 max: 4.2 min: 1.4°C)
Issued (local time): 1 am Tuesday 10 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest