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 — and sunset is at 04:13 PM.

Days 1–4 Weather Summary

Mostly dry. Icy conditions (max 1°C on Sun morning, min -11°C on Thu night). Winds decreasing (strong winds from the NW on Thu afternoon, light winds from the N by Fri afternoon).

Days 5–7 Weather Summary

Moderate rain (total 12mm), heaviest on Sun night. Icy conditions (max 5°C on Sun night, min -7°C on Tue night). Winds increasing (light winds from the SSW on Mon morning, near gales from the WSW by Mon night).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Fri afternoon, min -10°C on Wed night). Mainly fresh winds.

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Mon morning, min -7°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the SW by Mon morning).

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
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
12:09PM3.15m
00:51AM2.74m
Low Tide
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
6:31PM-0.38m
6:41AM-0.04m
Wave
height (m) 
direction
period (s) 
1.3
E
9
1.3
NNE
6
1
E
11
0.8
E
10
0.7
E
10
0.9
E
12
0.8
E
12
0.6
E
12
0.5
E
12
0.4
E
12
0.5
E
12
0.9
SSE
4
0.7
SE
5
1.9
WSW
5
1.7
WSW
5
1.5
W
5
1.3
W
5
1.4
SW
5
1.3
SW
5
0.9
WNW
4
0.7
W
4
0.9
W
4
1
SW
4
0.8
SW
4
0.6
SW
3
0.9
WSW
4
0.6
WNW
3
0.3
ESE
10
0.4
W
3
0.2
ESE
9
0.2
ESE
9
0.7
SSW
3
1
SSW
5
0.8
SSW
5
0.5
W
3
0.4
SE
9
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
cloud
mod rain
light rain
light rain
part cloud
part cloud
cloud
clear
cloud
part cloud
clear
clear
clear
cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
cloudy
mod rain
light rain
light rain
some clouds
some clouds
cloudy
clear
cloudy
some clouds
clear
clear
clear
cloudy
cloudy
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
 km/h
45
NW
30
NW
15
NNW
10
N
20
NNE
20
N
10
NNW
15
WNW
15
NW
15
W
20
SW
10
SSW
15
WSW
55
WSW
50
W
45
W
40
W
40
SW
35
WSW
30
WNW
30
W
35
W
35
WSW
30
SW
20
WSW
30
WNW
25
NW
20
W
20
WNW
10
NW
10
SW
25
SW
30
SW
20
SW
20
W
15
WNW
 mm 
7
3
2
max°C
-1
-7
-8
-6
-5
-5
-3
-3
1
2
5
5
5
4
-5
-5
-4
0
0
-5
-7
-6
-4
0
1
0
-6
-5
-6
-5
-2
-1
3
3
3
3
Moonrise
10:57
11:17
11:39
12:04
12:35
1:15
2:08
3:15
4:31
5:52
7:11
Moonset
9:59
11:09
12:21
1:36
2:55
4:17
5:37
6:48
7:46
8:31
9:04
9:30
Sunrise
7:11
7:11
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
Sunset
4:13
4:13
4:14
4:15
4:15
4:15
4:16
4:17
4:19
4:20
4:21
4:22
Today's sea temperature in Gosport Harbor, Isles of Shoals is
6.8° C
(Statistics for 25 Dec 1981-2005 – mean: 6.1 max: 7.5 min: 4.2°C)
Issued (local time): 6 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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