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 06:07 AM and sunset is at 07:39 PM.

Days 1–3 Weather Summary

Light rain (total 4mm), mostly falling on Wed morning. Cool air temperatures (max 19°C on Thu afternoon, min 2°C on Tue morning). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 17mm), heaviest on Sat morning. Cool air temperatures (max 14°C on Fri afternoon, min 6°C on Sat afternoon). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 44mm), heaviest during Wed night. Very mild (max 13°C on Mon afternoon, min 7°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 47mm), heaviest during Sat afternoon. Very mild (max 10°C on Sat afternoon, min 6°C on Thu afternoon). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wed
6
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
3:06PM2.18m
3:18AM2.42m
4:20PM2.10m
4:32AM2.28m
5:55PM2.09m
6:19AM2.20m
7:11PM2.15m
7:39AM2.22m
8:14PM2.26m
8:42AM2.26m
9:08PM2.36m
9:37AM2.31m
9:57PM2.44m
10:26AM2.33m
10:42PM2.49m
11:10AM2.32m
11:23PM2.50m
11:52AM2.29m
00:01AM2.48m
12:30PM2.25m
00:33AM2.44m
1:04PM2.19m
00:56AM2.40m
1:32PM2.15m
1:16AM2.37m
1:54PM2.12m
1:44AM2.34m
2:21PM2.11m
Low Tide
9:32AM-0.07m
9:24PM0.21m
10:45AM0.04m
10:53PM0.32m
11:59AM0.12m
00:21AM0.34m
1:07PM0.13m
1:33AM0.27m
2:08PM0.11m
2:36AM0.15m
3:04PM0.06m
3:32AM0.02m
3:55PM0.02m
4:23AM-0.09m
4:42PM0.01m
5:10AM-0.16m
5:24PM0.02m
5:54AM-0.17m
6:03PM0.05m
6:34AM-0.14m
6:38PM0.12m
7:12AM-0.07m
7:05PM0.20m
7:45AM0.02m
7:19PM0.27m
8:10AM0.12m
7:39PM0.33m
8:26AM0.21m
Wave
height (m) 
direction
period (s) 
clear
clear
rain showers
light rain
part cloud
part cloud
part cloud
part cloud
cloud
light rain
part cloud
part cloud
mod rain
mod rain
part cloud
clear
clear
part cloud
cloud
clear
part cloud
part cloud
cloud
mod rain
mod rain
mod rain
heavy rain
light rain
light rain
part cloud
cloud
cloud
light rain
cloud
heavy rain
heavy rain
rain showers
clear
clear
clear
clear
clear
cloud
cloud
cloud
part cloud
cloud
clear
clear
rain shwrs
light rain
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
some clouds
some clouds
mod rain
mod rain
some clouds
clear
clear
some clouds
cloudy
clear
some clouds
some clouds
cloudy
mod rain
mod rain
mod rain
heavy rain
light rain
light rain
some clouds
cloudy
cloudy
light rain
cloudy
heavy rain
heavy rain
rain shwrs
clear
clear
clear
clear
clear
cloudy
cloudy
cloudy
some clouds
cloudy
 km/h
0
ESE
15
SSE
20
S
20
SSE
10
N
0
NE
15
WNW
25
NW
10
NNE
10
WNW
10
NW
10
E
20
ESE
20
E
5
NNE
10
ENE
15
SSE
10
S
10
S
15
S
10
SSE
15
SE
20
SSE
20
ESE
25
ESE
20
E
25
NE
25
N
20
NNW
20
N
20
NNE
15
NE
15
ENE
15
E
15
ESE
10
N
15
NNW
15
N
15
NW
10
NNW
15
NW
5
N
10
W
10
SW
5
NNW
15
ENE
15
ESE
 mm 
1
3
2
9
6
7
7
9
21
4
1
2
18
21
1
max°C
5
9
6
7
10
9
15
19
16
9
14
12
8
7
6
10
13
10
10
13
11
11
12
8
8
9
9
8
7
6
7
9
8
9
10
10
10
16
16
12
18
16
14
17
15
15
16
Moonrise
8:55
10:05
11:19
12:34
1:45
2:53
3:59
5:03
6:07
7:11
8:15
9:19
10:20
11:17
12:07
Moonset
12:11
1:13
2:02
2:40
3:10
3:36
3:58
4:18
4:39
5:00
5:25
5:53
6:26
7:06
7:54
8:49
Sunrise
6:07
6:05
6:03
6:03
6:01
6:00
5:58
5:56
5:56
5:54
5:52
5:52
5:50
5:48
5:48
5:47
Sunset
7:39
7:40
7:42
7:43
7:44
7:45
7:45
7:46
7:47
7:49
7:50
7:51
7:52
7:52
7:53
7:54
Today's sea temperature in Glen Cove, Hempstead Harbor, Long Island Sound is
8.8° C
(Statistics for 21 Apr 1981-2005 – mean: 7.0 max: 9.5 min: 4.7°C)
Issued (local time): 7 am Tuesday 21 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest