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 06:07 AM and sunset is at 05:38 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Icy conditions (max 15°C on Mon afternoon, min -1°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Thu afternoon. Warm air temperatures (max 20°C on Tue afternoon, min 3°C on Wed morning). Winds increasing (calm on Tue night, fresh winds from the S by Thu afternoon).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 11°C on Sat morning, min -3°C on Thu night). Winds decreasing (fresh winds from the W on Thu night, light winds from the N by Sun morning).

Days 10–12 Weather Summary

Mild with light rain (total 2mm) on Mon night. Becoming colder with a light covering of snow, mostly falling on Mon night. Freeze-thaw conditions (max 14°C on Mon afternoon, min -4°C on Tue night). Mainly strong winds.

Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sun
22
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
1:49PM2.61m
2:00AM2.75m
2:32PM2.45m
3:41AM2.65m
3:18PM2.31m
3:27AM2.55m
4:10PM2.19m
4:19AM2.46m
5:09PM2.12m
5:17AM2.41m
6:11PM2.10m
6:19AM2.41m
7:12PM2.14m
7:20AM2.47m
8:07PM2.23m
8:15AM2.56m
8:54PM2.37m
9:03AM2.68m
9:35PM2.52m
9:48AM2.79m
10:14PM2.69m
10:30AM2.88m
10:51PM2.86m
11:11AM2.94m
11:29PM3.00m
11:54AM2.95m
00:10AM3.10m
12:39PM2.91m
Low Tide
7:35AM-0.04m
7:45PM0.18m
8:18AM0.08m
8:26PM0.31m
9:04AM0.20m
9:10PM0.44m
9:55AM0.31m
10:01PM0.55m
10:52AM0.40m
10:58PM0.63m
11:53AM0.43m
00:01AM0.65m
12:54PM0.41m
1:02AM0.60m
1:50PM0.34m
1:58AM0.49m
2:38PM0.23m
2:47AM0.34m
3:20PM0.12m
3:32AM0.17m
3:59PM0.01m
4:14AM0.00m
4:37PM-0.09m
4:56AM-0.15m
5:15PM-0.15m
5:39AM-0.27m
5:55PM-0.18m
6:23AM-0.33m
6:37PM-0.15m
Wave
height (m) 
direction
period (s) 
1.4
ESE
9
1.4
ESE
9
1.2
ESE
9
0.9
ESE
10
0.9
ESE
10
0.8
ESE
9
0.5
ESE
9
0.6
ESE
9
0.6
ESE
9
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.5
ESE
8
0.5
ESE
8
0.7
SE
7
0.9
SSE
6
1.7
SSE
7
1.1
SE
9
0.8
SE
10
0.6
SE
10
1.2
SSE
6
0.9
SE
8
0.6
SE
8
0.4
SE
8
0.3
SE
7
0.3
SE
7
0.9
ESE
4
0.9
ESE
6
1.6
SE
6
1.6
SE
8
1
SE
8
0.9
SE
9
0.7
SE
9
0.6
SE
10
0.8
SE
10
0.7
SE
9
0.7
SE
9
0.8
ESE
9
0.8
ESE
8
1
ESE
8
1
ESE
8
0.8
ESE
8
0.8
ESE
8
0.9
ESE
8
0.5
ESE
8
0.4
SE
8
cloud
cloud
light rain
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
light rain
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
light snow
part cloud
part cloud
light snow
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
clear
snow showers
light rain
cloud
rain showers
clear
part cloud
part cloud
cloud
cloudy
cloudy
light rain
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
light rain
some clouds
clear
some clouds
cloudy
some clouds
clear
some clouds
cloudy
cloudy
light snow
some clouds
some clouds
light snow
some clouds
clear
some clouds
cloudy
cloudy
cloudy
some clouds
clear
snow shwrs
light rain
cloudy
rain shwrs
clear
some clouds
some clouds
cloudy
 km/h
15
SSW
25
SSW
25
SW
15
SW
15
WSW
15
WSW
15
SW
20
SSW
15
SW
15
WSW
10
WSW
5
NE
15
NNE
10
NE
15
NE
20
S
35
S
30
WSW
30
W
20
SSW
30
SW
25
WSW
20
W
20
W
5
N
15
ESE
20
ESE
5
SE
35
S
25
W
30
WNW
30
NW
15
NW
10
SSE
15
SSE
10
SSW
15
S
25
SSE
15
SSW
20
SSW
25
SSW
20
W
25
NW
25
NW
10
NW
5
SE
 mm 
2
4
2
2
7
max°C
2
5
8
10
10
6
13
15
10
19
20
16
3
4
4
13
14
3
4
6
6
11
10
5
1
1
1
12
14
12
2
2
-3
0
0
1
3
2
2
8
11
9
1
1
-5
-3
Moonrise
10:30
12:36
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
Moonset
7:36
9:01
9:31
10:08
10:54
11:48
12:49
1:57
3:07
4:18
5:30
6:43
7:57
9:14
10:34
Sunrise
6:07
7:05
6:05
6:03
6:01
6:00
5:58
5:56
5:54
5:52
5:50
5:48
5:47
5:46
5:43
5:41
Sunset
5:38
6:39
5:42
5:43
5:44
5:45
5:45
5:47
5:49
5:50
5:51
5:52
5:53
5:54
5:55
Today's sea temperature in Fort Point, Portsmouth Harbor is
2.6° C
(Statistics for 07 Mar 1981-2005 – mean: 3.0 max: 4.2 min: 1.7°C)
Issued (local time): 12 am Saturday 07 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest