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 05:16 AM and sunset is at 08:01 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Tue night. Very warm air temperatures (max 34°C on Tue afternoon, min 11°C on Wed night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 19°C on Fri afternoon, min 9°C on Thu morning). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 28mm), heaviest during Mon night. Warm (max 26°C on Tue afternoon, min 10°C on Sun morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 24°C on Wed afternoon, min 16°C on Wed night). Wind will be generally light.

Days 13–16 Weather Summary

Light rain (total 4mm), mostly falling on Mon night. Warm (max 29°C on Sun afternoon, min 15°C on Tue night). Wind will be generally light.

Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tue
2
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
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High Tide
12:56PM2.87m
1:03AM3.36m
1:51PM2.83m
1:59AM3.28m
2:49PM2.77m
2:58AM3.15m
3:50PM2.72m
4:01AM3.00m
4:53PM2.68m
5:07AM2.84m
5:57PM2.67m
6:14AM2.72m
6:58PM2.69m
7:21AM2.63m
7:56PM2.73m
8:23AM2.57m
8:48PM2.77m
9:19AM2.55m
9:36PM2.81m
10:10AM2.53m
10:19PM2.83m
10:55AM2.52m
10:58PM2.84m
11:37AM2.51m
11:35PM2.83m
12:15PM2.49m
00:11AM2.83m
12:52PM2.46m
Low Tide
6:38AM-0.47m
6:46PM-0.03m
7:32AM-0.43m
7:41PM0.03m
8:28AM-0.34m
8:40PM0.11m
9:27AM-0.22m
9:43PM0.20m
10:29AM-0.09m
10:50PM0.27m
11:31AM0.03m
11:58PM0.30m
12:33PM0.12m
1:06AM0.29m
1:32PM0.20m
2:09AM0.24m
2:27PM0.26m
3:05AM0.18m
3:17PM0.31m
3:56AM0.12m
4:03PM0.34m
4:41AM0.08m
4:44PM0.38m
5:22AM0.05m
5:22PM0.41m
6:00AM0.06m
5:59PM0.43m
6:37AM0.08m
6:34PM0.45m
Wave
Height (m)
Direction
Period (s)
0.4
SE
8
0.4
SE
8
0.5
SE
4
0.5
SE
9
0.6
SE
9
0.6
SSE
7
0.5
SE
8
0.6
W
3
0.5
SE
9
0.5
NE
5
0.7
SSE
3
0.4
SE
9
0.2
ESE
9
0.6
SSE
3
0.4
SE
10
0.4
ENE
3
0.4
ENE
3
0.3
ESE
3
0.2
ESE
9
0.3
SE
9
0.5
SE
8
0.6
SE
8
0.7
SE
8
1.3
SE
6
1
SE
7
1
ESE
8
0.9
SE
8
0.8
SE
8
0.6
SE
8
0.7
ESE
8
0.6
ESE
8
0.7
SE
8
0.6
ESE
8
0.4
SE
8
0.4
SE
8
0.2
ESE
7
0.2
ESE
8
0.4
SSE
3
0.3
ESE
8
0.3
ESE
10
0.4
ESE
10
0.4
ESE
9
0.4
ESE
9
0.4
ESE
8
0.3
ESE
8
0.4
ESE
8
0.3
ESE
8
cloud
clear
clear
clear
part cloud
rain showers
clear
clear
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
heavy rain
rain showers
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
thunderstorm
part cloud
clear
cloudy
clear
clear
clear
some clouds
rain shwrs
clear
clear
some clouds
cloudy
some clouds
clear
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
heavy rain
rain shwrs
some clouds
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
risk tstorm
some clouds
clear
km/h
15
ESE
15
ESE
5
SW
20
SW
20
SW
15
SW
25
W
30
WNW
15
WNW
5
SE
10
S
10
N
10
SW
10
SSW
10
NNE
15
E
10
E
10
WSW
10
SE
10
SE
10
ESE
10
SE
15
SE
20
SSW
10
WSW
10
W
15
W
20
NW
5
ENE
10
NNW
10
SSE
20
SSE
15
SW
10
E
10
SE
5
NW
5
S
15
SSE
10
W
0
SW
10
SSE
15
W
15
WNW
20
WNW
5
N
10
ENE
15
SSE
1
5
21
2
4
max °C
17
17
21
30
34
27
29
30
21
12
15
15
14
19
19
12
12
11
12
11
10
10
12
15
18
26
23
22
24
21
19
20
19
22
21
20
24
25
24
28
29
28
28
29
24
17
18
Moonrise
6:17
7:25
8:42
10:01
11:18
12:30
1:39
2:45
3:50
4:55
6:01
7:06
8:09
9:08
10:01
Moonset
10:56
11:51
12:33
1:05
1:31
1:52
2:12
2:31
2:50
3:12
3:37
4:07
4:43
5:28
6:21
Sunrise
5:16
5:15
5:15
5:13
5:13
5:11
5:11
5:09
5:09
5:09
5:07
5:07
5:07
5:07
5:05
5:05
Sunset
8:01
8:02
8:04
8:05
8:06
8:07
8:07
8:08
8:08
8:09
8:10
8:12
8:13
8:14
8:15
8:15
Today's sea temperature in Jaffrey Point, Portsmouth Harbor is
8.8° C
(Statistics for 18 May 1981-2005 – mean: 9.2 max: 11.2 min: 7.5°C)
Issued (local time): 7 am Monday 18 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest