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 07:11 AM and sunset is at 04:12 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 2°C on Thu morning, min -11°C on Thu night). Mainly near gales.

Days 4–6 Weather Summary

Moderate rain (total 10mm), heaviest on Mon morning. Icy conditions (max 7°C on Mon morning, min -8°C on Sat morning). Winds increasing (light winds from the WNW on Sun morning, near gales from the W by Mon night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Wed morning, min -12°C on Wed night). Winds decreasing (strong winds from the W on Tue morning, light winds from the NW by Thu night).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Fri afternoon. Becoming milder with light rain (total 2mm) on Sun night. Freeze-thaw conditions (max 3°C on Sun night, min -12°C on Sat morning). Winds decreasing (fresh winds from the NNE on Fri night, calm by Sat night).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
1:36PM2.69m
2:17AM2.40m
2:21PM2.65m
3:01AM2.46m
3:11PM2.59m
3:48AM2.55m
4:06PM2.53m
4:39AM2.64m
5:04PM2.49m
5:33AM2.74m
6:07PM2.46m
6:31AM2.84m
7:13PM2.48m
7:31AM2.96m
8:15PM2.51m
8:28AM3.04m
9:15PM2.58m
9:25AM3.14m
10:12PM2.65m
10:21AM3.19m
11:07PM2.71m
11:16AM3.20m
00:00AM2.74m
Low Tide
7:21AM0.35m
7:56PM0.05m
8:07AM0.34m
8:39PM0.07m
8:58AM0.30m
9:26PM0.09m
9:53AM0.25m
10:16PM0.11m
10:51AM0.18m
11:08PM0.13m
11:52AM0.09m
00:05AM0.14m
12:56PM-0.03m
1:06AM0.12m
1:58PM-0.17m
2:04AM0.10m
2:56PM-0.27m
3:02AM0.03m
3:52PM-0.36m
3:59AM-0.03m
4:48PM-0.42m
4:54AM-0.06m
5:40PM-0.43m
5:49AM-0.07m
Wave
height (m) 
direction
period (s) 
1.8
N
5
2.2
E
8
1.6
E
8
1.3
E
9
1.2
E
9
1.4
NNE
6
1.2
NE
6
0.9
E
10
0.9
NE
5
1.1
NE
5
0.9
E
12
0.8
E
12
0.6
E
12
0.5
E
12
0.5
E
11
1.5
S
5
1.3
SSE
6
1.6
SW
5
1.5
WSW
5
1.4
W
5
1.1
W
4
1.1
SW
4
1.6
SW
5
1.1
WNW
4
0.8
WNW
4
0.7
WNW
3
0.6
WNW
3
0.3
E
11
0.2
E
11
1
NNE
4
1.5
ENE
6
1
ENE
6
0.7
E
6
0.6
E
9
1
S
4
1.2
SSE
6
light snow
cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
rain showers
mod rain
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
cloud
clear
part cloud
cloud
light snow
light snow
part cloud
clear
part cloud
cloud
cloud
light rain
light snow
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
clear
some clouds
rain shwrs
mod rain
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
clear
cloudy
clear
some clouds
cloudy
light snow
light snow
some clouds
clear
some clouds
cloudy
cloudy
light rain
 km/h
50
NNW
20
NNE
15
WSW
25
WSW
40
NW
30
NW
25
NNW
15
N
25
NNE
25
N
15
NNW
15
WNW
15
WNW
10
W
20
SSW
35
S
40
W
45
WSW
45
W
40
W
35
W
35
SW
45
WSW
40
WNW
30
WNW
25
WNW
20
WNW
10
W
5
SW
35
NNE
30
NNE
10
NNE
0
N
15
SSW
30
S
25
SW
 mm 
4
6
2
max°C
-2
-1
-1
2
1
-6
-7
-6
-6
-6
-4
-5
0
1
4
7
6
0
-4
-3
-3
1
1
-9
-9
-8
-9
-8
-6
-5
-11
-11
-8
-2
1
3
Moonrise
10:15
10:37
10:57
11:17
11:39
12:04
12:35
1:15
2:08
3:15
4:31
5:52
Moonset
8:50
9:59
11:09
12:21
1:36
2:55
4:17
5:37
6:48
7:46
8:31
Sunrise
7:11
7:11
7:11
7:11
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
Sunset
4:12
4:13
4:13
4:14
4:15
4:15
4:15
4:16
4:17
4:19
4:20
4:21
Today's sea temperature in Gosport Harbor, Isles of Shoals is
6.9° C
(Statistics for 24 Dec 1981-2005 – mean: 6.2 max: 7.5 min: 4.9°C)
Issued (local time): 6 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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