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 — and sunset is at 06:58 PM.

Days 1–4 Weather Summary

Moderate rain (total 19mm), heaviest on Fri morning. Cool air temperatures (max 10°C on Tue night, min 4°C on Tue night). Winds increasing (light winds from the ESE on Wed afternoon, strong winds from the NNW by Fri afternoon).

Days 5–7 Weather Summary

Moderate rain (total 13mm), heaviest on Mon morning. Icy conditions (max 11°C on Mon afternoon, min 0°C on Sun morning). Winds decreasing (strong winds from the NW on Fri night, light winds from the SE by Sun night).

Days 8–10 Weather Summary

Some drizzle, heaviest during Wed afternoon. Very mild (max 10°C on Mon night, min 1°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the SW by Thu afternoon).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Thu night, min -6°C on Sat morning). Winds decreasing (strong winds from the NW on Fri night, calm by Sun morning).

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sun
30
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
2:11AM0.75m
2:38PM0.57m
2:53AM0.73m
3:28PM0.54m
3:42AM0.71m
4:28PM0.52m
4:40AM0.70m
5:34PM0.52m
5:44AM0.70m
6:37PM0.55m
6:46AM0.73m
7:32PM0.61m
7:44AM0.76m
8:20PM0.69m
8:36AM0.80m
9:06PM0.77m
9:26AM0.84m
9:50PM0.86m
10:14AM0.86m
10:35PM0.94m
11:02AM0.86m
11:21PM1.00m
11:50AM0.84m
Low Tide
8:07PM0.13m
8:56AM0.10m
8:53PM0.18m
9:49AM0.13m
9:44PM0.21m
10:45AM0.14m
10:42PM0.23m
11:43AM0.13m
11:42PM0.23m
12:37PM0.11m
00:41AM0.20m
1:28PM0.08m
1:36AM0.14m
2:14PM0.04m
2:27AM0.07m
2:58PM-0.01m
3:17AM-0.01m
3:41PM-0.05m
4:05AM-0.08m
4:23PM-0.07m
4:54AM-0.13m
5:07PM-0.09m
5:44AM-0.16m
Wave
height (m) 
direction
period (s) 
0.8
SE
10
0.7
SE
9
0.6
SE
9
0.8
SE
11
0.9
SE
11
0.9
SE
11
1
SE
11
1.1
SE
10
1.3
SE
10
0.9
SE
10
0.5
SE
10
0.6
ESE
9
0.9
S
7
0.9
NNW
4
0.4
SSE
9
0.2
SSE
9
1.1
SSE
6
0.9
SSE
7
0.9
SSE
8
0.7
SSE
8
0.6
SSE
8
0.5
SSE
8
0.4
SSE
7
0.4
SSE
7
0.5
SE
7
0.6
SW
3
0.6
S
5
0.6
S
7
0.7
S
7
0.8
WNW
3
0.8
NW
4
0.6
NW
4
0.5
NW
3
0.4
SE
10
0.2
SSE
10
0.3
SE
10
clear
clear
clear
part cloud
cloud
cloud
light rain
heavy rain
light rain
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
mod rain
rain showers
clear
part cloud
cloud
part cloud
cloud
rain showers
clear
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
cloud
cloud
part cloud
clear
clear
clear
some clouds
cloudy
cloudy
light rain
heavy rain
light rain
some clouds
some clouds
cloudy
some clouds
clear
clear
some clouds
mod rain
rain shwrs
clear
some clouds
cloudy
some clouds
cloudy
rain shwrs
clear
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
cloudy
cloudy
some clouds
 km/h
15
NE
10
NE
15
ESE
10
E
15
SSE
20
SE
25
ENE
15
NNW
50
NNW
35
NW
20
WSW
25
SSW
40
WNW
35
NW
15
WNW
10
SE
25
S
10
WSW
20
W
20
W
10
SW
10
ESE
10
NNW
20
WNW
25
WNW
25
WSW
20
SW
15
WNW
25
WNW
35
WNW
35
NW
30
NW
25
NW
15
NNW
5
WNW
15
SSW
 mm 
5
11
3
10
3
1.0
max°C
10
6
10
6
7
7
8
8
7
5
7
9
8
0
6
5
6
11
10
4
7
6
4
6
4
5
5
5
3
4
2
-2
4
4
1
3
Moonrise
11:38
12:42
1:44
2:42
3:33
4:16
4:52
5:22
5:48
6:13
6:37
7:02
Moonset
8:32
9:01
9:35
10:18
11:11
12:14
1:24
2:38
3:54
5:10
6:28
7:47
9:08
Sunrise
6:54
6:52
6:52
6:50
6:48
6:46
6:45
6:43
6:41
6:39
6:37
6:35
Sunset
6:58
6:59
7:00
7:01
7:02
7:04
7:05
7:06
7:07
7:07
7:08
7:09
7:10
Today's sea temperature in Greenport, Long Island Sound is 4.2 °C (Statistics for 18 Mar 1981-2005 – mean: 4.5 max: 6.4 min: 2.8°C)
Issued (local time): 7 pm Tuesday 18 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest