Greenport, Long Island Sound Sea Conditions and Tide Table

Greenport, 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 07:11 AM and sunset is at 04:24 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Fri night. Icy conditions (max 5°C on Wed morning, min -7°C on Thu night). Mainly strong winds.

Days 4–6 Weather Summary

Moderate rain (total 17mm), heaviest on Sun night. Icy conditions (max 9°C on Sun night, min -3°C on Sat morning). Winds increasing (light winds from the N on Sat afternoon, strong winds from the W by Mon night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Thu afternoon, min -3°C on Tue night). Winds decreasing (strong winds from the W on Tue morning, light winds from the NNE by Thu night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 10°C on Sun morning, min -2°C on Sun night). Winds increasing (calm on Fri morning, fresh winds from the WNW by Sun night).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
12:53PM0.75m
1:42AM0.66m
1:43PM0.71m
2:31AM0.69m
2:38PM0.67m
3:24AM0.73m
3:38PM0.63m
4:20AM0.78m
4:42PM0.61m
5:16AM0.84m
5:45PM0.60m
6:12AM0.89m
6:46PM0.60m
7:07AM0.94m
7:41PM0.62m
8:00AM0.97m
8:38PM0.64m
8:54AM0.99m
9:32PM0.67m
9:47AM0.98m
10:24PM0.70m
10:39AM0.95m
11:16PM0.72m
Low Tide
7:03AM0.16m
7:41PM0.03m
7:57AM0.15m
8:27PM0.05m
8:56AM0.14m
9:14PM0.06m
9:56AM0.11m
10:04PM0.06m
10:56AM0.07m
10:55PM0.06m
11:54AM0.02m
11:48PM0.04m
12:50PM-0.04m
00:41AM0.02m
1:44PM-0.09m
1:34AM-0.00m
2:35PM-0.12m
2:28AM-0.03m
3:26PM-0.15m
3:23AM-0.05m
4:17PM-0.16m
4:17AM-0.06m
5:06PM-0.15m
5:12AM-0.05m
Wave
height (m) 
direction
period (s) 
1
NNW
4
0.9
N
4
0.3
ESE
9
0.8
ESE
10
0.7
ESE
10
0.8
NNW
4
0.6
N
4
0.2
ESE
11
0.4
E
3
0.8
ENE
4
0.4
ESE
12
0.3
ESE
11
0.3
ESE
12
0.3
ESE
12
0.5
SSW
4
1.3
S
8
1.4
S
9
1.1
S
9
1.1
W
4
1
W
4
0.6
WNW
3
0.5
W
3
0.5
W
3
0.6
SSW
6
0.5
S
6
0.3
SSW
5
0.4
NNE
3
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.4
S
3
0.6
S
4
0.7
S
6
0.7
S
6
0.8
S
6
0.8
S
7
clear
clear
part cloud
cloud
clear
clear
part cloud
cloud
mod snow
part cloud
clear
clear
clear
cloud
heavy rain
light rain
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
some clouds
cloudy
clear
clear
some clouds
cloudy
mod snow
some clouds
clear
clear
clear
cloudy
heavy rain
light rain
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
clear
clear
 km/h
40
NW
30
N
10
WSW
35
WSW
30
NW
30
NNW
25
N
10
E
20
ENE
25
NE
15
N
15
NW
15
WNW
20
W
25
SSW
30
SW
45
W
45
W
45
W
45
W
25
WNW
25
W
25
WSW
30
WSW
20
W
10
NW
15
N
5
E
10
S
5
S
20
SSE
20
S
20
SW
20
SW
30
W
30
WNW
 mm 
15
2
max°C
5
3
2
4
5
-3
-5
-4
-4
-2
-1
-2
0
0
9
8
4
-1
0
0
-2
-1
0
1
2
3
-1
0
2
6
8
9
8
10
9
1
Moonrise
10:19
10:42
11:03
11:25
11:48
12:15
12:48
1:30
2:24
3:30
4:47
6:06
Moonset
9:01
10:08
11:16
12:26
1:40
2:57
4:17
5:36
6:47
7:46
8:31
Sunrise
7:11
7:11
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
Sunset
4:24
4:25
4:25
4:27
4:28
4:29
4:29
4:30
4:30
4:31
4:32
4:34
Today's sea temperature in Greenport, Long Island Sound is
6.1° C
(Statistics for 24 Dec 1981-2005 – mean: 8.1 max: 10.3 min: 6.5°C)
Issued (local time): 12 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest