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 06:50 AM and sunset is at 06:51 PM.

Days 1–3 Weather Summary

Mostly dry. Low air temperatures (max 6°C on Tue night, min 2°C on Tue morning). Winds decreasing (fresh winds from the N on Tue morning, light winds from the SSE by Wed night).

Days 4–6 Weather Summary

Moderate rain (total 19mm), heaviest on Fri night. Icy conditions (max 10°C on Sat afternoon, min -1°C on Sun night). Winds increasing (light winds from the SSW on Sat afternoon, strong winds from the WNW by Sun morning).

Days 7–9 Weather Summary

A light covering of new snow, mostly falling on Mon afternoon. Becoming milder with light rain (total 5mm) on Wed night. Freeze-thaw conditions (max 8°C on Tue afternoon, min -1°C on Mon morning). Winds increasing (calm on Mon night, fresh winds from the WNW by Wed night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 7°C on Fri afternoon, min -7°C on Sat morning). Winds decreasing (fresh winds from the WNW on Fri night, light winds from the NW by Sun morning).

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
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
2:41PM2.41m
2:46AM2.59m
3:21PM2.30m
3:25AM2.52m
4:06PM2.20m
4:11AM2.46m
4:58PM2.11m
5:03AM2.41m
5:54PM2.06m
6:01AM2.41m
6:56PM2.08m
7:05AM2.46m
7:59PM2.18m
8:10AM2.56m
8:55PM2.35m
9:07AM2.71m
9:44PM2.56m
9:59AM2.87m
10:30PM2.79m
10:49AM2.99m
11:15PM3.00m
11:39AM3.06m
00:00AM3.15m
Low Tide
8:25AM0.11m
8:31PM0.32m
9:04AM0.18m
9:10PM0.42m
9:47AM0.27m
9:53PM0.51m
10:37AM0.34m
10:44PM0.58m
11:32AM0.38m
11:39PM0.61m
12:32PM0.38m
00:40AM0.58m
1:35PM0.32m
1:45AM0.48m
2:33PM0.19m
2:46AM0.30m
3:24PM0.02m
3:40AM0.08m
4:11PM-0.13m
4:31AM-0.14m
4:57PM-0.26m
5:21AM-0.33m
5:42PM-0.33m
Wave
height (m) 
direction
period (s) 
1.7
NE
6
1.4
SE
10
1.3
SE
10
1.2
SE
9
1.2
SE
9
1.3
SE
9
1.4
SE
10
1.7
ESE
11
1.6
ESE
10
1.8
ESE
10
2
ESE
10
1.7
ESE
10
1
ESE
9
0.8
ESE
9
0.7
ESE
9
1.2
W
4
1.1
WNW
4
0.8
WNW
4
0.3
ESE
9
0.4
S
3
0.5
SE
4
0.6
SE
5
0.6
SSE
8
0.6
SSE
8
0.4
SSE
8
0.4
SSE
7
0.6
SE
7
0.8
WNW
4
0.9
WNW
4
0.6
SE
9
0.9
SSW
4
0.8
WSW
4
0.8
NW
4
0.8
NW
4
0.7
NW
4
0.5
SE
9
cloud
cloud
clear
clear
clear
part cloud
cloud
part cloud
cloud
cloud
mod rain
rain showers
clear
cloud
part cloud
clear
clear
clear
cloud
light snow
rain showers
part cloud
cloud
part cloud
cloud
light snow
rain showers
part cloud
cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
cloudy
cloudy
clear
clear
clear
some clouds
cloudy
some clouds
cloudy
cloudy
mod rain
rain shwrs
clear
cloudy
some clouds
clear
clear
clear
cloudy
light snow
rain shwrs
some clouds
cloudy
some clouds
cloudy
light snow
rain shwrs
some clouds
cloudy
clear
some clouds
some clouds
clear
clear
clear
some clouds
 km/h
25
NNE
15
NE
10
NE
15
ENE
10
E
10
ESE
10
SSE
25
SE
15
SE
40
NNE
35
NNW
20
WNW
10
W
10
SSW
20
W
45
WNW
35
NW
30
W
15
SSW
15
S
5
WSW
20
WSW
15
WSW
10
SW
5
W
10
NW
20
WNW
30
WNW
30
WNW
20
WSW
25
SW
30
W
30
NW
30
NW
30
WNW
15
NW
 mm 
6
13
1.0
1.0
3
max°C
4
5
6
3
3
3
6
6
6
5
6
5
6
10
9
2
4
1
1
0
3
5
8
7
5
4
3
1
4
3
5
7
4
-4
1
0
Moonrise
11:37
12:42
1:45
2:44
3:34
4:16
4:50
5:19
5:44
6:06
6:28
Moonset
8:20
8:47
9:20
10:02
10:55
11:58
1:09
2:25
3:43
5:01
6:21
7:42
Sunrise
6:50
6:48
6:46
6:43
6:43
6:41
6:39
6:37
6:35
6:33
6:31
6:30
Sunset
6:51
6:52
6:53
6:54
6:55
6:57
6:58
7:00
7:00
7:01
7:02
7:04
Today's sea temperature in Gosport Harbor, Isles of Shoals is 3.9 °C (Statistics for 18 Mar 1981-2005 – mean: 3.2 max: 4.5 min: 1.9°C)
Issued (local time): 7 am Tuesday 18 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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