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 07:11 AM and sunset is at 04:32 PM.

Days 1–3 Weather Summary

Mostly dry. Air temperatures will be below freezing (max 0°C on Fri afternoon, min -8°C on Wed night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Sun night. Icy conditions (max 6°C on Sat afternoon, min -8°C on Mon afternoon). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max 0°C on Thu afternoon, min -13°C on Mon night). Mainly fresh winds.

Days 10–12 Weather Summary

Mostly dry. Temperatures will be below freezing (max 0°C on Sun afternoon, min -14°C on Fri night). Wind will be generally light.

Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sun
26
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
12:01PM2.99m
00:38AM2.60m
12:46PM2.90m
1:20AM2.59m
1:30PM2.78m
2:01AM2.57m
2:13PM2.65m
2:42AM2.55m
2:58PM2.53m
3:24AM2.53m
3:45PM2.40m
4:09AM2.51m
4:35PM2.29m
4:55AM2.49m
5:29PM2.20m
5:45AM2.48m
6:26PM2.15m
6:38AM2.49m
7:24PM2.13m
7:31AM2.54m
8:20PM2.16m
8:24AM2.62m
Low Tide
6:20PM-0.15m
6:28AM0.10m
7:03PM-0.06m
7:13AM0.14m
7:43PM0.03m
7:59AM0.19m
8:24PM0.13m
8:45AM0.25m
9:06PM0.23m
9:34AM0.30m
9:49PM0.32m
10:25AM0.35m
10:35PM0.41m
11:19AM0.37m
11:25PM0.48m
12:15PM0.37m
00:17AM0.53m
1:11PM0.34m
1:11AM0.54m
2:06PM0.27m
2:04AM0.50m
2:56PM0.17m
Wave
height (m) 
direction
period (s) 
0.6
NW
3
0.6
NW
3
0.3
ESE
11
0.2
E
11
0.2
E
10
0.1
E
10
0.1
E
10
0.1
E
10
0.4
SSW
3
1
S
5
1.1
SSE
6
1
SE
7
0.6
SE
7
0.8
SE
9
1
SE
10
1.1
SE
10
0.9
SE
10
0.8
SE
9
0.7
W
3
0.7
WNW
3
0.9
SW
4
0.9
SW
4
0.9
SW
4
0.8
WSW
4
0.6
WSW
4
0.4
WSW
3
0.4
W
3
0.4
NW
3
0.5
NE
5
0.5
NE
5
0.4
NE
5
0.5
SW
3
0.8
SW
4
0.6
SW
3
0.3
SE
8
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
part cloud
cloud
light rain
rain showers
clear
cloud
light snow
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
cloud
cloud
clear
clear
clear
some clouds
cloudy
some clouds
clear
clear
some clouds
cloudy
light rain
rain shwrs
clear
cloudy
light snow
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
clear
some clouds
clear
some clouds
cloudy
cloudy
 km/h
25
NW
25
NW
10
WNW
10
WNW
5
SW
5
WNW
10
NNW
5
SSW
20
SSW
25
SSW
25
SSW
10
SW
15
NW
20
WNW
10
N
20
NW
25
NW
30
WNW
30
WNW
30
WNW
35
WSW
30
WSW
30
WSW
25
WSW
25
W
20
W
20
W
15
NNW
10
N
10
NNW
15
W
25
WSW
30
WSW
20
SW
10
SW
 mm 
1.0
3
max°C
-3
-3
-7
-4
-2
-3
-1
0
0
5
6
6
5
1
-2
-5
-6
-10
-11
-9
-10
-5
-4
-6
-1
0
-2
-7
-7
-11
-7
-4
-4
-1
0
Moonrise
6:29
7:37
8:43
9:46
10:48
11:50
12:54
1:59
3:06
4:11
5:13
Moonset
8:34
8:59
9:19
9:37
9:54
10:12
10:30
10:52
11:18
11:50
12:32
1:26
Sunrise
7:11
7:09
7:09
7:09
7:09
7:07
7:07
7:07
7:05
7:05
7:03
7:03
Sunset
4:32
4:34
4:35
4:37
4:37
4:38
4:39
4:42
4:43
4:44
4:45
4:46
Today's sea temperature in Fort Point, Portsmouth Harbor is 5.6 °C (Statistics for 15 Jan 1981-2005 – mean: 4.6 max: 6.3 min: 3.4°C)
Issued (local time): 12 am Wednesday 15 Jan 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest