Gosport Harbor, Isles of Shoals Sea Conditions and Tide Table

Gosport Harbor, Isles of Shoals 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 06:58 AM and sunset is at 04:07 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 3°C on Sun afternoon, min -8°C on Mon night). Winds increasing (light winds from the WSW on Sun afternoon, strong winds from the NW by Sun night).

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Wed night. Icy conditions (max 8°C on Wed afternoon, min -2°C on Fri afternoon). Winds decreasing (strong winds from the SW on Wed night, light winds from the W by Thu night).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max -1°C on Sat afternoon, min -6°C on Fri night). Winds increasing (light winds from the NW on Sat morning, fresh winds from the WNW by Sun afternoon).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Thu night, min -4°C on Tue afternoon). Winds increasing (light winds from the N on Mon night, strong winds from the NNE by Tue night).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
12:20PM3.23m
1:07AM2.72m
1:15PM3.10m
2:03AM2.65m
2:13PM2.94m
3:02AM2.58m
3:14PM2.76m
4:02AM2.54m
4:16PM2.60m
4:59AM2.52m
5:18PM2.47m
5:55AM2.52m
6:20PM2.37m
6:49AM2.54m
7:21PM2.31m
7:40AM2.57m
8:15PM2.30m
8:26AM2.61m
9:03PM2.31m
9:08AM2.65m
9:47PM2.33m
9:48AM2.68m
Low Tide
6:46PM-0.41m
6:55AM0.02m
7:40PM-0.29m
7:52AM0.12m
8:37PM-0.14m
8:54AM0.23m
9:35PM0.00m
9:59AM0.30m
10:32PM0.14m
11:03AM0.34m
11:28PM0.25m
12:06PM0.34m
00:24AM0.34m
1:08PM0.30m
1:18AM0.40m
2:02PM0.23m
2:07AM0.43m
2:50PM0.17m
2:50AM0.43m
3:33PM0.12m
3:31AM0.43m
4:13PM0.09m
Wave
height (m) 
direction
period (s) 
0.4
SE
9
0.9
SE
9
1.2
ESE
8
1.1
NNW
4
0.8
ESE
8
0.6
E
8
0.3
ESE
9
0.8
SSW
4
1.5
S
6
1.1
SSW
4
1.8
S
6
1.6
SSW
6
0.9
W
4
0.7
SSE
10
0.4
SSE
10
0.4
SSE
8
0.6
SE
8
0.6
NW
3
0.3
SE
7
0.3
SE
8
0.3
SE
8
0.4
SE
7
0.6
WNW
3
0.8
WNW
4
0.6
W
3
0.3
SE
10
0.3
SE
10
1.4
NE
5
1.9
NE
6
3
E
9
3
E
10
2.4
E
11
1.6
E
11
1.1
E
11
1.1
E
10
part cloud
cloud
clear
clear
clear
clear
part cloud
cloud
light rain
cloud
light rain
rain showers
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
some clouds
cloudy
clear
clear
clear
clear
some clouds
cloudy
light rain
cloudy
light rain
rain shwrs
some clouds
some clouds
cloudy
some clouds
some clouds
clear
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
 km/h
10
NW
5
WSW
40
W
35
NW
25
NW
20
NW
15
WSW
30
SW
40
SW
30
SSW
40
SW
40
SW
30
WNW
20
WNW
15
WSW
15
WNW
30
NW
25
WNW
10
NW
15
WNW
15
NW
15
NW
30
NW
35
WNW
25
WNW
15
WNW
15
NNE
40
NNE
40
NNE
45
NNE
25
NNW
25
NW
20
NW
10
SW
30
SSW
 mm 
1
1
2
max°C
2
3
2
-5
-5
-7
-3
0
3
7
8
6
1
0
-1
2
1
-4
-2
-1
-4
-3
-3
-4
-2
-2
-1
-3
-3
-3
1
1
-1
2
2
Moonrise
7:02
8:20
9:34
10:44
11:50
12:54
1:57
3:00
4:05
5:09
6:12
Moonset
10:01
10:38
11:07
11:30
11:50
12:09
12:26
12:46
1:07
1:32
2:02
2:41
Sunrise
6:58
7:00
7:01
7:01
7:03
7:03
7:05
7:05
7:05
7:07
7:07
7:07
Sunset
4:07
4:07
4:07
4:07
4:07
4:07
4:07
4:07
4:07
4:07
4:08
4:08
Today's sea temperature in Gosport Harbor, Isles of Shoals is
8.4° C
(Statistics for 07 Dec 1981-2005 – mean: 7.8 max: 9.3 min: 6.3°C)
Issued (local time): 12 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest