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 08:42 PM.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 19°C on Fri afternoon, min 16°C on Fri afternoon). Winds increasing (moderate winds from the WNW on Sat night, strong winds from the NW by Sun afternoon).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Tue morning, min 14°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the SSE by Thu morning).

Days 8–10 Weather Summary

Mostly dry. Very mild (max 16°C on Thu night, min 13°C on Fri night). Winds decreasing (fresh winds from the SSE on Fri afternoon, calm by Sat morning).

Days 11–13 Weather Summary

Mostly dry. Very mild (max 18°C on Mon afternoon, min 13°C on Sun afternoon). Mainly near gales.

Fri
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
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
Wave Height Map
High Tide
10:27PM1.34m
11:10AM1.49m
11:15PM1.36m
11:50AM1.53m
00:00AM1.35m
12:29PM1.51m
00:43AM1.30m
1:06PM1.45m
1:24AM1.22m
1:42PM1.35m
2:04AM1.13m
2:18PM1.24m
2:46AM1.04m
2:57PM1.13m
3:34AM0.96m
3:46PM1.04m
4:35AM0.90m
4:52PM0.98m
5:52AM0.90m
6:13PM0.97m
7:09AM0.96m
7:25PM1.00m
8:13AM1.06m
Low Tide
3:44PM0.06m
3:45AM0.11m
4:30PM0.01m
4:33AM0.09m
5:13PM-0.02m
5:19AM0.07m
5:54PM-0.02m
6:03AM0.06m
6:35PM0.00m
6:47AM0.07m
7:17PM0.04m
7:30AM0.10m
8:02PM0.09m
8:17AM0.14m
8:54PM0.15m
9:09AM0.20m
9:53PM0.21m
10:10AM0.27m
10:58PM0.25m
11:21AM0.31m
00:04AM0.27m
12:33PM0.33m
1:04AM0.28m
Wave
height (m) 
direction
period (s) 
0.6
SE
9
1
NNW
4
1.1
NW
5
1.2
NW
5
1
NNW
5
1
NNW
4
1.5
NW
5
1.2
NW
5
1.4
NNW
5
1.3
NNW
5
0.5
NNW
5
0.6
NNW
4
0.8
NNW
4
0.8
NNW
4
0.9
NNW
4
0.7
NNW
4
0.6
N
4
0.9
SSE
4
0.5
SSE
4
0.3
NNE
3
0.6
S
4
0.9
SSE
4
0.9
SSE
4
0.3
S
7
0.3
S
8
0.7
SE
4
0.6
SSE
3
0.5
SSE
3
0.3
SSE
8
0.4
NE
3
0.4
SSE
8
0.4
NNW
3
0.5
NNW
3
0.6
NW
3
0.5
NNW
6
0.4
NNW
7
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
some clouds
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
some clouds
clear
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
 km/h
25
N
25
NW
35
NW
25
WNW
25
NW
30
NNW
45
NW
40
NW
40
NW
35
NW
0
NNW
30
NNW
30
NW
30
NNW
30
NNW
30
N
15
NNE
35
SSE
20
SSE
20
NNW
20
SE
30
SSE
30
SSE
5
SE
5
ENE
25
SSE
25
SSE
20
SSE
5
SSW
20
N
20
NW
25
NNW
25
NW
25
WNW
15
NW
15
NW
 mm 
max°C
19
19
19
19
18
18
18
17
17
17
16
18
18
17
16
16
16
14
14
16
15
14
13
13
16
14
13
14
15
16
18
17
17
18
18
17
Moonrise
9:26
10:34
11:28
12:09
12:40
1:05
1:27
1:47
2:06
2:26
2:48
3:14
Moonset
6:05
7:16
8:33
9:50
11:04
12:13
1:18
2:21
3:23
4:25
5:27
Sunrise
5:43
5:43
5:43
5:43
5:43
5:43
5:43
5:43
5:43
5:43
5:43
5:43
Sunset
8:42
8:43
8:44
8:45
8:45
8:45
8:46
8:47
8:49
8:50
8:50
8:51
Today's sea temperature in Long Island is
16.6° C
(Statistics for 05 Dec 1981-2005 – mean: 14.8 max: 16.1 min: 13.2°C)
Issued (local time): 6 pm Friday 05 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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