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 08:14 PM.

Days 1–4 Weather Summary

A light covering of new snow, mostly falling on Sun night. Icy conditions (max 1°C on Sun night, min -17°C on Mon night). Winds decreasing (strong winds from the NW on Mon morning, calm by Tue morning).

Days 5–7 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max -1°C on Thu afternoon, min -15°C on Fri morning). Winds increasing (light winds from the SSW on Tue afternoon, fresh winds from the N by Thu night).

Days 8–10 Weather Summary

A dusting of new snow. Temperatures will be well below freezing (max -6°C on Mon morning, min -16°C on Sat morning). Mainly fresh winds.

Days 11–13 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -1°C on Wed afternoon, min -15°C on Mon night). Winds increasing (calm on Tue afternoon, strong winds from the ENE by Wed morning).

Sat
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
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
High Tide
3:20PM1.47m
3:40AM1.47m
4:26PM1.42m
4:54AM1.44m
5:41PM1.45m
6:14AM1.48m
6:49PM1.54m
7:20AM1.57m
7:44PM1.67m
8:12AM1.69m
8:31PM1.80m
8:56AM1.81m
9:14PM1.89m
9:37AM1.90m
9:53PM1.96m
10:16AM1.96m
10:31PM1.98m
10:53AM1.99m
11:08PM1.99m
11:31AM2.00m
11:45PM1.98m
12:12PM1.98m
00:26AM1.95m
12:57PM1.94m
1:14AM1.89m
1:50PM1.87m
2:11AM1.81m
2:50PM1.79m
Low Tide
9:25PM0.72m
10:04AM0.66m
10:37PM0.75m
11:18AM0.68m
11:58PM0.71m
12:31PM0.63m
1:07AM0.59m
1:31PM0.52m
2:02AM0.45m
2:22PM0.40m
2:49AM0.31m
3:08PM0.29m
3:32AM0.19m
3:51PM0.20m
4:12AM0.12m
4:31PM0.15m
4:51AM0.07m
5:10PM0.14m
5:29AM0.05m
5:49PM0.15m
6:07AM0.06m
6:29PM0.19m
6:50AM0.10m
7:14PM0.25m
7:38AM0.17m
8:07PM0.33m
8:35AM0.28m
Wave
height (m) 
direction
period (s) 
0.1
N
2
0
E
1
0.3
SE
2
0.5
SSE
3
0.3
SSW
2
0.5
NW
3
0.3
NW
3
0
W
1
0
W
1
0
W
1
0
W
1
0.1
SW
2
0.1
W
2
0.1
NE
2
0.3
ENE
2
0.3
NE
2
0.3
N
2
0.2
N
2
0.2
NNE
2
0.4
NE
2
0.4
NNE
2
0.3
N
2
0
E
2
0.2
S
2
0.4
SSW
3
0.1
N
2
0.3
SW
2
0.4
WNW
3
0.1
NW
2
0
W
1
0
E
1
0.3
E
2
0.5
ENE
3
0.5
NE
3
0.4
NE
3
0.5
NE
3
0.5
NNE
3
0.4
N
3
0.1
N
2
0.1
N
2
0
W
1
0.5
S
3
0.5
SW
3
0.3
WSW
2
0.4
WNW
3
0.4
WNW
3
0.1
NW
2
light snow
part cloud
cloud
cloud
light snow
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
cloud
light snow
light snow
part cloud
cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
snow showers
light snow
part cloud
part cloud
part cloud
cloud
part cloud
cloud
light snow
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
light snow
cloud
cloud
cloud
part cloud
light snow
some clouds
cloudy
cloudy
light snow
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
some clouds
cloudy
light snow
light snow
some clouds
cloudy
cloudy
cloudy
some clouds
clear
some clouds
some clouds
cloudy
snow shwrs
light snow
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
light snow
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
cloudy
light snow
cloudy
cloudy
cloudy
some clouds
 km/h
15
NNW
10
ESE
30
SE
40
SSE
30
SSW
40
NW
25
NW
5
WNW
10
SSW
10
SSW
10
SSW
20
SW
10
WNW
20
ENE
25
ENE
25
NE
25
N
20
N
20
NNE
30
NNE
30
NNE
25
N
5
SSE
25
S
30
SSW
10
E
30
WSW
35
WNW
15
WNW
10
W
5
SE
30
E
40
ENE
35
NE
30
NE
35
NE
40
NNE
30
N
15
NNE
10
N
10
SW
45
SSE
40
SW
25
WSW
35
WNW
35
NW
15
WNW
 mm 
max°C
-8
-10
-5
0
1
-4
-13
-16
-17
-13
-11
-12
-5
-8
-5
-1
-5
-13
-12
-13
-15
-13
-13
-14
-8
-7
-6
-9
-10
-15
-12
-8
-3
-1
-1
-7
-4
-7
-14
-8
-8
-5
1
1
0
-2
-4
Moonrise
5:03
5:14
5:22
5:30
5:38
5:48
6:02
6:23
6:56
7:50
9:07
10:36
12:08
1:37
3:01
Moonset
2:00
3:25
4:50
6:18
7:50
9:27
11:07
12:44
2:06
3:04
3:39
4:00
4:14
4:24
Sunrise
6:24
6:22
6:18
6:16
6:13
6:11
6:09
6:07
6:05
6:03
6:00
5:58
5:56
5:52
5:50
Sunset
8:14
8:15
8:17
8:20
8:21
8:22
8:24
8:27
8:29
8:30
8:32
8:35
8:37
8:38
8:40
8:43
Today's sea temperature in Long Island is
-1.8° C
(Statistics for 11 Apr 1981-2005 – mean: -1.8 max: -1.5 min: -1.9°C)
Issued (local time): 1 pm Saturday 11 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest