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 07:13 AM and sunset is at 04:29 PM.

Days 1–3 Weather Summary

Moderate rain (total 15mm), heaviest on Fri morning. Icy conditions (max 13°C on Thu night, min -2°C on Fri night). Winds decreasing (strong winds from the S on Fri morning, light winds from the WSW by Sat morning).

Days 4–6 Weather Summary

A dusting of new snow. Icy conditions (max 4°C on Wed morning, min -4°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 5mm), mostly falling on Thu morning. Very mild (max 16°C on Fri morning, min 1°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the WSW by Fri morning).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Mon night. Freeze-thaw conditions (max 5°C on Sat night, min -3°C on Tue night). Winds increasing (light winds from the NNE on Sat night, fresh winds from the NNE by Mon night).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
10:53AM2.27m
11:32PM2.05m
11:08AM2.29m
11:53PM2.07m
11:32AM2.31m
00:12AM2.11m
12:05PM2.34m
00:41AM2.16m
12:44PM2.35m
1:19AM2.21m
1:28PM2.33m
2:01AM2.26m
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
Low Tide
5:36PM0.01m
5:17AM0.28m
6:06PM0.03m
5:39AM0.27m
6:28PM0.04m
6:09AM0.25m
6:50PM0.04m
6:47AM0.22m
7:20PM0.03m
7:30AM0.20m
7:58PM0.03m
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
Wave
height (m) 
direction
period (s) 
heavy rain
rain showers
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
cloud
light snow
light snow
part cloud
clear
clear
part cloud
light rain
cloud
light rain
cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
light snow
mod snow
cloud
cloud
heavy rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
cloudy
cloudy
light snow
light snow
some clouds
clear
clear
some clouds
light rain
cloudy
light rain
cloudy
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
light snow
mod snow
cloudy
cloudy
 km/h
45
S
25
WSW
30
W
15
W
15
SW
25
SW
25
WSW
25
WNW
25
WNW
20
NW
15
NW
10
SW
25
SSW
20
WSW
15
W
15
NW
10
NW
5
S
15
SSW
10
SW
10
S
25
SW
25
WNW
20
NW
10
NW
5
WNW
5
NNE
15
N
15
N
10
NE
15
E
15
E
30
NE
30
NNE
25
NNE
 mm 
11
2
2
3
max°C
13
8
0
1
2
4
6
4
-2
-1
0
1
1
1
3
4
3
2
2
4
11
16
12
7
6
7
5
3
3
1
2
1
0
0
1
Moonrise
7:13
8:05
8:50
9:27
9:57
10:24
10:47
11:09
11:30
11:54
12:21
12:54
Moonset
3:50
4:45
5:47
6:53
8:00
9:07
10:14
11:22
12:32
1:45
3:02
Sunrise
7:13
7:15
7:15
7:16
7:16
7:16
7:16
7:16
7:18
7:18
7:18
7:18
Sunset
4:29
4:29
4:29
4:30
4:30
4:30
4:31
4:31
4:32
4:34
4:35
4:35
Today's sea temperature in Glen Cove, Hempstead Harbor, Long Island Sound is
5.5° C
(Statistics for 19 Dec 1981-2005 – mean: 8.0 max: 11.2 min: 6.3°C)
Issued (local time): 12 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest