Long Island Sea Conditions and Tide Table

Long Island 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 09:35 PM.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Tue morning. Icy conditions (max 4°C on Mon afternoon, min -3°C on Thu morning). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 12°C on Fri night, min -1°C on Thu afternoon). Wind will be generally light.

Days 8–10 Weather Summary

A dusting of snow turning to light rain (total 2mm) on Tue afternoon. Mild temperatures (max 6°C on Sun afternoon, min 1°C on Sun night). Winds increasing (calm on Mon night, fresh winds from the WNW by Wed morning).

Days 11–13 Weather Summary

Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 9°C on Wed afternoon, min -1°C on Thu night). Wind will be generally light.

Days 14–17 Weather Summary

Mostly dry. Freeze-thaw conditions (max 7°C on Tue night, min -1°C on Sat night). Wind will be generally light.

Mon
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
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
night
Wave Height Map
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High Tide
3:48PM1.76m
4:26AM1.68m
5:02PM1.72m
5:46AM1.66m
6:18PM1.71m
7:00AM1.69m
7:26PM1.73m
8:01AM1.72m
8:22PM1.73m
8:51AM1.74m
9:08PM1.73m
9:32AM1.75m
9:46PM1.72m
10:09AM1.74m
10:19PM1.71m
10:42AM1.73m
10:50PM1.71m
11:17AM1.72m
11:23PM1.71m
11:53AM1.70m
11:59PM1.70m
12:31PM1.68m
00:38AM1.68m
1:09PM1.66m
1:19AM1.64m
1:47PM1.65m
2:01AM1.61m
2:27PM1.65m
Low Tide
10:11PM0.41m
10:44AM0.44m
11:27PM0.43m
12:01PM0.46m
00:41AM0.42m
1:12PM0.45m
1:44AM0.39m
2:13PM0.42m
2:37AM0.37m
3:03PM0.41m
3:21AM0.36m
3:45PM0.41m
3:59AM0.35m
4:21PM0.43m
4:33AM0.34m
4:54PM0.45m
5:07AM0.33m
5:26PM0.46m
5:41AM0.33m
6:00PM0.48m
6:16AM0.35m
6:35PM0.49m
6:53AM0.39m
7:12PM0.51m
7:30AM0.44m
7:52PM0.52m
8:10AM0.48m
Wave
Height (m)
Direction
Period (s)
0.1
S
2
0.1
S
1
0.2
NNE
2
0.2
NNW
2
0.1
NW
2
0.2
NNW
2
0.3
NW
2
0.3
NNW
2
0.1
N
2
0.1
NW
2
0.2
N
2
0.1
N
2
0.1
N
2
0.1
NE
2
0.1
N
2
0.1
N
2
0.1
N
1
0.1
NW
2
0.1
NW
1
0.1
N
2
0.1
N
2
0.1
N
1
0
E
1
0.3
S
2
0.1
SW
2
0.4
WNW
3
0.4
NW
3
0.1
W
2
0.2
SSW
2
0.1
W
1
0.1
W
2
0
W
1
0
E
1
0.1
N
2
0.1
N
2
0.1
N
1
0.1
W
2
0.1
W
2
0.1
W
2
0.2
WNW
2
0.2
WNW
2
0
W
1
0.1
W
1
0.1
W
1
0.1
W
1
0
W
1
0.1
SE
2
cloud
cloud
light rain
part cloud
cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
light snow
part cloud
clear
clear
rain showers
light rain
cloud
part cloud
light snow
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloudy
cloudy
light rain
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
clear
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
light snow
some clouds
clear
clear
rain shwrs
light rain
cloudy
some clouds
light snow
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
km/h
10
SSW
10
SSE
20
NNE
20
NW
15
NW
20
NNW
25
NNW
25
NNW
15
NW
15
NNW
25
N
15
NNE
15
N
15
NNE
15
NNE
10
N
10
NNW
15
WNW
10
NW
15
N
15
N
10
NNW
10
S
30
S
20
WNW
35
WNW
30
NW
15
SSW
20
SW
10
WNW
10
WNW
5
WNW
5
NNE
15
NNE
15
NNW
10
WNW
10
WNW
15
W
15
WNW
20
WNW
20
WNW
10
WSW
10
WNW
10
WNW
10
WSW
10
SSW
15
SE
4
2
2
1
max °C
4
4
3
2
1
2
1
-1
-1
-1
0
1
7
12
12
10
9
8
6
3
1
2
4
3
3
3
3
9
7
2
1
1
0
0
0
0
0
0
0
0
0
0
1
1
2
6
7
Moonrise
3:29
4:47
6:05
7:24
8:42
9:58
11:04
11:56
12:33
12:58
1:15
1:27
1:36
1:44
1:52
Moonset
2:55
3:03
3:12
3:25
3:42
4:08
4:47
5:41
6:49
8:05
9:25
10:45
12:05
1:26
2:49
Sunrise
4:56
4:54
4:52
4:52
4:50
4:50
4:48
4:48
4:47
4:46
4:45
4:45
4:43
4:43
4:43
Sunset
9:35
9:36
9:37
9:38
9:39
9:42
9:43
9:44
9:45
9:46
9:47
9:49
9:50
9:51
9:52
9:52
Today's sea temperature in Long Island is
-1.7° C
(Statistics for 25 May 1981-2005 – mean: -0.8 max: 0.6 min: -1.9°C)
Issued (local time): 1 pm Monday 25 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest