Fort Point, Portsmouth Harbor Sea Conditions and Tide Table

Fort 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 07:22 PM.

Days 1–4 Weather Summary

Moderate rain (total 13mm), heaviest on Wed night. Warm air temperatures (max 22°C on Fri afternoon, min 7°C on Wed night). Wind will be generally light.

Days 5–7 Weather Summary

Moderate rain (total 10mm), heaviest on Sun afternoon. Cool air temperatures (max 13°C on Sun afternoon, min 1°C on Mon morning). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 14°C on Wed afternoon, min 2°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 16mm), heaviest on Sun night. Very mild (max 11°C on Fri afternoon, min 3°C on Sat night). Winds decreasing (fresh winds from the WNW on Sat afternoon, calm by Sun morning).

Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thu
30
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
night
AM
Wave Height Map
High Tide
9:50PM2.69m
10:12AM2.76m
10:33PM2.89m
10:59AM2.86m
11:15PM3.07m
11:46AM2.92m
11:59PM3.21m
12:33PM2.94m
00:44AM3.29m
1:23PM2.91m
1:33AM3.30m
2:16PM2.84m
2:25AM3.24m
3:13PM2.74m
3:23AM3.14m
4:15PM2.65m
4:26AM3.01m
5:21PM2.59m
5:34AM2.90m
6:28PM2.58m
6:44AM2.82m
7:33PM2.61m
7:53AM2.78m
8:32PM2.69m
8:55AM2.76m
9:25PM2.76m
9:51AM2.74m
Low Tide
3:58AM0.10m
4:17PM0.05m
4:45AM-0.09m
5:00PM-0.05m
5:30AM-0.26m
5:43PM-0.11m
6:17AM-0.38m
6:28PM-0.13m
7:05AM-0.44m
7:16PM-0.09m
7:56AM-0.41m
8:07PM-0.01m
8:51AM-0.34m
9:03PM0.10m
9:51AM-0.22m
10:05PM0.21m
10:55AM-0.09m
11:12PM0.29m
12:02PM0.00m
00:23AM0.31m
1:08PM0.07m
1:32AM0.27m
2:09PM0.10m
2:35AM0.19m
3:04PM0.13m
3:32AM0.10m
3:53PM0.16m
Wave
height (m) 
direction
period (s) 
0.6
SE
5
0.5
SE
8
0.4
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.4
SE
8
0.4
ESE
6
0.6
E
4
0.5
E
4
0.4
E
4
0.4
SE
7
0.5
E
5
0.6
ESE
5
0.6
ESE
5
0.5
ESE
6
0.7
WNW
3
0.6
WNW
3
0.4
SE
7
0.3
SE
7
0.8
SSE
4
1.1
SSE
6
0.8
SSE
7
0.5
SE
7
0.4
SE
7
0.4
SE
6
0.4
SSE
3
0.6
SE
5
1
SSE
5
0.8
SSE
6
0.6
SSE
7
0.6
WNW
3
0.6
WNW
3
0.4
WNW
2
0.2
ESE
13
0.3
ESE
14
0.9
ESE
4
1.2
SE
7
0.9
SE
7
0.8
SE
8
0.6
SE
8
0.4
SE
7
0.3
SE
7
0.4
WNW
2
0.4
NW
3
0.3
WNW
2
0.1
SE
13
rain showers
cloud
cloud
mod rain
cloud
part cloud
light rain
part cloud
thunderstorm
part cloud
part cloud
part cloud
cloud
cloud
mod rain
rain showers
part cloud
cloud
clear
part cloud
clear
part cloud
cloud
cloud
clear
clear
clear
part cloud
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
light rain
heavy rain
light rain
cloud
part cloud
clear
cloud
part cloud
clear
clear
part cloud
cloud
rain shwrs
cloudy
cloudy
mod rain
cloudy
some clouds
light rain
some clouds
risk tstorm
some clouds
some clouds
some clouds
cloudy
cloudy
mod rain
rain shwrs
some clouds
cloudy
clear
some clouds
clear
some clouds
cloudy
cloudy
clear
clear
clear
some clouds
light rain
light rain
light rain
cloudy
cloudy
some clouds
cloudy
light rain
heavy rain
light rain
cloudy
some clouds
clear
cloudy
some clouds
clear
clear
some clouds
cloudy
 km/h
10
W
10
E
10
SE
10
SE
10
ENE
15
E
0
NNW
15
W
20
ENE
5
NE
10
E
15
SE
10
SSE
15
SSE
20
WNW
20
W
25
WNW
25
NW
15
W
10
SW
20
S
25
SSW
20
WSW
15
W
15
W
15
WNW
10
S
15
SSW
25
SSW
10
WSW
20
WNW
30
WNW
25
NW
15
WNW
5
SSE
15
SSE
25
E
15
N
20
W
30
WNW
25
NW
20
WNW
15
W
25
NW
20
NW
15
WNW
5
ENE
 mm 
1
8
1
3
7
3
3
4
1
1
28
1
max°C
17
8
8
8
9
9
10
21
22
9
9
9
6
9
13
7
4
6
4
7
11
9
11
14
11
9
12
10
8
11
11
7
10
7
5
6
5
5
8
7
11
14
11
11
14
11
8
Moonrise
4:54
5:16
5:40
6:09
6:46
7:33
8:33
9:43
10:59
12:15
1:28
2:39
3:46
4:52
5:58
Moonset
5:32
6:49
8:09
9:32
10:54
12:09
1:10
1:58
2:35
3:03
3:27
3:47
4:06
4:25
4:45
Sunrise
6:01
6:00
5:58
5:56
5:54
5:52
5:52
5:50
5:48
5:47
5:45
5:43
5:41
5:41
5:39
5:37
Sunset
7:22
7:23
7:25
7:27
7:28
7:29
7:30
7:30
7:32
7:34
7:35
7:36
7:37
7:37
7:39
7:40
Today's sea temperature in Fort Point, Portsmouth Harbor is
4.7° C
(Statistics for 14 Apr 1981-2005 – mean: 4.8 max: 6.6 min: 3.2°C)
Issued (local time): 7 pm Tuesday 14 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest