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 07:05 AM and sunset is at 04:07 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 7°C on Wed morning, min -8°C on Mon morning). Mainly strong winds.

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Fri morning. Icy conditions (max 13°C on Fri morning, min -6°C on Fri night). Winds increasing (light winds from the SW on Thu morning, near gales from the S by Fri morning).

Days 7–9 Weather Summary

A dusting of snow turning to light rain (total 8mm) on Tue morning. Freeze-thaw conditions (max 7°C on Tue afternoon, min -9°C on Tue night). Winds increasing (light winds from the NNW on Mon afternoon, near gales from the W by Tue night).

Days 10–12 Weather Summary

Light rain (total 7mm), mostly falling on Fri night. Freeze-thaw conditions (max 7°C on Sat morning, min -9°C on Wed morning). Winds increasing (light winds from the ESE on Fri morning, strong winds from the S by Fri night).

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
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
night
Wave Height Map
High Tide
7:40AM2.57m
8:15PM2.30m
8:26AM2.61m
9:03PM2.31m
9:08AM2.65m
9:47PM2.33m
9:48AM2.68m
10:29PM2.34m
10:27AM2.70m
11:09PM2.35m
11:05AM2.72m
11:47PM2.35m
11:42AM2.73m
00:24AM2.35m
12:18PM2.73m
00:59AM2.35m
12:56PM2.72m
1:37AM2.37m
1:36PM2.69m
2:17AM2.40m
2:21PM2.65m
3:01AM2.46m
3:11PM2.59m
3:48AM2.55m
Low Tide
2:02PM0.23m
2:07AM0.43m
2:50PM0.17m
2:50AM0.43m
3:33PM0.12m
3:31AM0.43m
4:13PM0.09m
4:10AM0.42m
4:52PM0.06m
4:47AM0.41m
5:29PM0.05m
5:24AM0.39m
6:04PM0.04m
6:02AM0.38m
6:40PM0.04m
6:40AM0.37m
7:16PM0.04m
7:21AM0.35m
7:56PM0.05m
8:07AM0.34m
8:39PM0.07m
8:58AM0.30m
9:26PM0.09m
Wave
height (m) 
direction
period (s) 
1.2
WNW
4
1.1
WNW
4
0.8
W
4
0.5
SE
10
0.5
SE
11
1.2
SSW
4
1.8
SSW
6
1.5
S
6
1.3
W
4
0.4
SE
10
0.9
S
4
1.7
SSE
6
3
SSE
8
3
SE
10
2.1
SE
11
1.4
SE
11
0.9
SE
11
1.3
S
4
1.9
S
6
1.3
SSE
8
1.2
W
4
0.9
WNW
4
0.5
NW
3
0.4
ESE
12
1.7
SSE
5
1.9
SSE
7
1.8
W
5
1.1
WNW
4
0.9
WNW
4
0.5
W
3
0.7
W
3
0.6
WNW
3
0.7
WNW
3
0.3
ESE
9
0.4
SSE
2
1.6
S
6
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
mod rain
rain showers
part cloud
part cloud
part cloud
cloud
cloud
clear
clear
part cloud
cloud
cloud
light snow
rain showers
clear
clear
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
light rain
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
clear
some clouds
mod rain
rain shwrs
some clouds
some clouds
some clouds
cloudy
cloudy
clear
clear
some clouds
cloudy
cloudy
light snow
rain shwrs
clear
clear
cloudy
some clouds
some clouds
clear
clear
some clouds
some clouds
light rain
 km/h
40
WNW
35
WNW
30
W
20
W
20
WSW
35
SW
45
SW
35
SW
45
WNW
10
SW
30
S
30
S
60
S
40
W
50
W
30
WNW
15
W
40
SSW
40
SW
30
WSW
40
WNW
35
WNW
20
NW
15
SSE
45
SSE
30
WSW
55
WNW
35
WNW
30
W
20
WSW
30
WNW
30
WNW
25
WNW
5
ESE
20
S
40
S
 mm 
10
2
5
3
5
max°C
-6
-5
-4
-1
-1
1
7
6
5
2
4
12
13
6
-2
-3
0
4
6
6
4
-3
-3
0
6
7
1
-5
-4
-3
-1
-1
-4
-2
1
6
Moonrise
3:00
4:05
5:09
6:12
7:10
8:02
8:46
9:22
9:51
10:15
10:37
10:57
Moonset
1:07
1:32
2:02
2:41
3:28
4:23
5:26
6:33
7:42
8:50
9:59
11:09
Sunrise
7:05
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:11
7:11
7:11
7:11
Sunset
4:07
4:07
4:08
4:08
4:08
4:09
4:09
4:10
4:10
4:12
4:13
4:13
Today's sea temperature in Gosport Harbor, Isles of Shoals is
7.6° C
(Statistics for 15 Dec 1981-2005 – mean: 7.1 max: 8.7 min: 5.6°C)
Issued (local time): 6 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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