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 06:22 AM and sunset is at 05:49 PM.

Days 1–3 Weather Summary

A moderate fall of snow, heaviest on Thu night. Icy conditions (max 3°C on Wed afternoon, min -1°C on Thu afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 12°C on Sat night, min 1°C on Sat morning). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 28mm), heaviest during Tue night. Warm (max 20°C on Tue morning, min 1°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

A dusting of snow giving way to moderate rain (total 12mm) heaviest on Fri night. Freeze-thaw conditions (max 20°C on Sun morning, min -2°C on Sun night). Winds increasing (calm on Fri night, fresh winds from the WNW by Sun afternoon).

Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thu
19
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
12:14PM2.40m
00:30AM2.44m
12:52PM2.32m
1:03AM2.39m
1:26PM2.22m
1:33AM2.33m
1:59PM2.11m
2:03AM2.25m
2:33PM2.01m
3:38AM2.18m
3:13PM1.93m
3:19AM2.10m
4:03PM1.86m
4:09AM2.04m
5:12PM1.83m
5:09AM2.01m
6:42PM1.86m
6:28AM2.02m
7:42PM1.94m
7:42AM2.09m
8:27PM2.05m
8:29AM2.17m
9:02PM2.16m
9:06AM2.26m
9:30PM2.29m
9:42AM2.34m
10:01PM2.41m
10:19AM2.41m
Low Tide
6:38PM-0.19m
7:00AM-0.21m
7:13PM-0.09m
7:39AM-0.12m
7:41PM0.02m
8:15AM0.00m
8:00PM0.15m
8:49AM0.14m
8:23PM0.26m
9:22AM0.27m
9:00PM0.37m
10:06AM0.39m
9:47PM0.48m
11:24AM0.48m
10:44PM0.56m
12:39PM0.49m
11:58PM0.59m
1:38PM0.44m
1:31AM0.53m
2:27PM0.35m
2:30AM0.41m
3:09PM0.24m
3:15AM0.25m
3:45PM0.12m
3:56AM0.09m
4:17PM0.01m
4:35AM-0.07m
4:49PM-0.09m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
snow showers
light snow
light snow
mod snow
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
heavy rain
cloud
light rain
mod rain
mod rain
cloud
part cloud
cloud
cloud
light snow
rain showers
part cloud
cloud
cloud
clear
clear
clear
part cloud
light snow
mod rain
mod rain
part cloud
cloud
part cloud
clear
part cloud
part cloud
some clouds
some clouds
snow shwrs
light snow
light snow
mod snow
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
heavy rain
cloudy
light rain
mod rain
mod rain
cloudy
some clouds
cloudy
cloudy
light snow
rain shwrs
some clouds
cloudy
cloudy
clear
clear
clear
some clouds
light snow
mod rain
mod rain
some clouds
cloudy
some clouds
clear
some clouds
some clouds
 km/h
10
NNE
0
NNW
5
NW
10
NE
15
ENE
15
NNE
15
NE
15
ENE
5
ENE
5
S
10
SSW
10
SW
15
NW
10
NW
5
SSW
10
SSW
15
S
10
SSW
15
SW
10
NNW
15
NE
15
ENE
10
E
15
ENE
5
N
15
NW
15
NE
20
E
20
E
15
ESE
5
SW
10
SSW
10
S
20
SW
30
WNW
25
NNW
25
N
15
E
20
SE
30
SE
40
S
25
W
30
WNW
30
WNW
20
WNW
15
W
10
W
 mm 
11
2
8
7
11
1
6
10
max°C
2
3
2
1
0
-1
-1
0
0
3
7
12
9
9
8
9
8
11
20
17
10
3
4
3
6
10
2
1
1
7
12
12
12
20
15
2
3
5
1
8
12
7
7
7
3
4
5
Moonrise
7:22
8:27
9:32
10:36
12:40
1:43
2:41
3:33
4:19
4:57
5:29
5:56
6:20
6:43
7:06
Moonset
6:48
7:09
7:30
7:54
9:20
9:52
10:30
11:16
12:10
1:11
2:17
3:25
4:34
5:44
6:55
8:07
Sunrise
6:22
6:22
6:20
6:18
7:16
6:15
6:13
6:11
6:11
6:09
6:07
6:05
6:03
6:01
6:01
5:58
Sunset
5:49
5:50
5:51
5:52
6:52
5:53
5:54
5:57
5:58
5:59
6:00
6:00
6:01
6:02
6:04
6:05
Today's sea temperature in Glen Cove, Hempstead Harbor, Long Island Sound is
1.1° C
(Statistics for 04 Mar 1981-2005 – mean: 3.5 max: 5.3 min: 2.0°C)
Issued (local time): 12 pm Wednesday 04 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest