Glen Cove, Hempstead Harbor, Long Island Sound Sea Conditions and Tide Table

Glen Cove, Hempstead Harbor, Long Island Sound 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 07:16 AM and sunset is at 04:31 PM.

Days 1–3 Weather Summary

A moderate fall of snow, heaviest on Fri night. Icy conditions (max 7°C on Thu morning, min -6°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

A dusting of snow giving way to moderate rain (total 10mm) heaviest on Sun night. Icy conditions (max 9°C on Mon afternoon, min -5°C on Sun morning). Winds increasing (light winds from the SW on Sun afternoon, fresh winds from the WNW by Mon night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Fri night, min -9°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Some drizzle, heaviest during Sat night. Freeze-thaw conditions (max 5°C on Sat morning, min -7°C on Mon night). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
2:15PM2.28m
2:48AM2.30m
3:07PM2.21m
3:39AM2.32m
4:03PM2.13m
4:34AM2.34m
5:03PM2.05m
5:33AM2.37m
6:09PM2.00m
6:36AM2.40m
7:21PM2.00m
7:41AM2.45m
8:36PM2.00m
8:48AM2.45m
9:45PM2.09m
9:53AM2.50m
10:45PM2.18m
10:53AM2.53m
11:39PM2.25m
11:49AM2.52m
00:31AM2.30m
12:43PM2.47m
1:22AM2.31m
Low Tide
8:17AM0.18m
8:42PM0.03m
9:09AM0.16m
9:29PM0.05m
10:06AM0.15m
10:21PM0.07m
11:11AM0.12m
11:19PM0.09m
12:32PM0.07m
00:23AM0.09m
1:55PM-0.03m
1:35AM0.08m
3:03PM-0.15m
2:57AM0.08m
4:06PM-0.24m
4:05AM-0.01m
5:00PM-0.34m
5:04AM-0.08m
5:52PM-0.38m
6:00AM-0.13m
6:42PM-0.37m
6:53AM-0.14m
7:31PM-0.32m
Wave
height (m) 
direction
period (s) 
cloud
part cloud
clear
cloud
light snow
heavy snow
cloud
part cloud
clear
cloud
cloud
light snow
cloud
rain showers
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
rain showers
part cloud
cloud
part cloud
clear
clear
clear
cloudy
some clouds
clear
cloudy
light snow
heavy snow
cloudy
some clouds
clear
cloudy
cloudy
light snow
cloudy
rain shwrs
some clouds
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
rain shwrs
some clouds
cloudy
some clouds
clear
clear
clear
 km/h
20
WSW
25
NW
20
N
15
N
10
SE
20
E
20
NE
10
N
10
NW
10
WNW
10
WSW
15
SSE
15
SW
25
WSW
30
WNW
30
WNW
25
WNW
20
W
20
WSW
20
WSW
20
WSW
15
W
25
NW
10
NNW
0
W
10
SW
10
SSW
20
SSW
10
W
15
WNW
10
N
10
N
5
NNE
10
NW
20
NNW
20
N
 mm 
9
1
1
max°C
7
5
-2
-4
-3
0
-2
-1
-3
-3
-1
5
7
9
2
-1
-1
-1
1
1
2
3
-3
-8
-6
-4
5
5
5
4
2
2
1
3
2
-2
Moonrise
10:47
11:09
11:30
11:54
12:21
12:54
1:36
2:30
3:37
4:53
6:12
7:28
Moonset
10:14
11:22
12:32
1:45
3:02
4:22
5:40
6:51
7:50
8:36
9:11
Sunrise
7:16
7:16
7:18
7:18
7:18
7:18
7:18
7:18
7:18
7:18
7:18
7:18
Sunset
4:31
4:31
4:32
4:34
4:35
4:35
4:36
4:37
4:37
4:38
4:39
4:40
Today's sea temperature in Glen Cove, Hempstead Harbor, Long Island Sound is
5.7° C
(Statistics for 25 Dec 1981-2005 – mean: 7.4 max: 9.8 min: 5.3°C)
Issued (local time): 6 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest