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 07:09 AM and sunset is at 07:54 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 10°C on Fri night, min -5°C on Wed night). Wind will be generally light.

Days 4–6 Weather Summary

A dusting of snow giving way to moderate rain (total 14mm) heaviest on Sun afternoon. Icy conditions (max 7°C on Sun afternoon, min -3°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Thu morning, min -8°C on Tue night). Winds increasing (calm on Wed night, fresh winds from the SSW by Thu afternoon).

Days 10–12 Weather Summary

Moderate rain (total 10mm), heaviest on Sun morning. Very mild (max 10°C on Fri afternoon, min 1°C on Sat morning). Wind will be generally light.

Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thu
16
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
AM
PM
Wave Height Map
High Tide
12:27PM6.72m
00:48AM6.83m
1:11PM6.71m
1:29AM6.89m
1:54PM6.67m
2:10AM6.89m
2:35PM6.59m
2:50AM6.84m
3:16PM6.48m
3:31AM6.74m
3:58PM6.33m
4:14AM6.59m
4:41PM6.16m
4:58AM6.40m
5:27PM5.96m
5:46AM6.21m
6:17PM5.78m
6:37AM6.03m
7:10PM5.67m
7:31AM5.94m
8:05PM5.66m
8:25AM5.95m
8:58PM5.80m
9:18AM6.08m
9:48PM6.07m
10:09AM6.32m
10:36PM6.44m
10:58AM6.63m
Low Tide
6:23AM0.89m
6:44PM0.90m
7:07AM0.79m
7:26PM0.92m
7:49AM0.74m
8:08PM0.98m
8:30AM0.74m
8:48PM1.06m
9:11AM0.79m
9:29PM1.17m
9:52AM0.90m
10:10PM1.31m
10:35AM1.06m
10:54PM1.49m
11:20AM1.25m
11:40PM1.68m
12:09PM1.45m
00:30AM1.86m
1:02PM1.61m
1:24AM1.97m
1:56PM1.69m
2:18AM1.98m
2:49PM1.66m
3:12AM1.85m
3:40PM1.53m
4:04AM1.58m
4:29PM1.30m
4:53AM1.21m
5:16PM1.02m
Wave
height (m) 
direction
period (s) 
0.1
E
2
0.1
N
2
0.2
N
2
0.3
NE
2
0.2
E
2
0.4
E
3
0.4
SSE
3
0.6
S
4
0.2
SSW
2
0.6
N
3
0.2
N
3
0.5
E
3
0.6
SE
4
0.6
SSE
4
0.1
S
2
0.2
W
2
0.3
W
2
0.4
NW
3
0.2
NNW
2
0.1
NW
2
0.3
N
3
0.3
N
3
0.3
NNW
2
0.1
N
3
0.2
S
2
0.7
S
4
0.8
SSW
4
0.5
SW
3
0.1
SW
2
0.1
N
1
0
E
1
0.1
SE
2
0.3
SSE
2
0.4
S
3
0.5
SSW
3
0.2
NNW
2
0.1
N
2
0.1
SE
2
0
E
2
0.1
S
2
0.1
S
2
0.1
S
2
0.1
W
1
0.5
N
3
0.4
N
3
0.2
N
2
0.1
SE
2
light snow
part cloud
part cloud
part cloud
part cloud
light snow
light snow
light snow
part cloud
part cloud
part cloud
cloud
light snow
heavy rain
light rain
part cloud
cloud
cloud
part cloud
cloud
clear
clear
cloud
clear
part cloud
clear
part cloud
light rain
part cloud
clear
part cloud
cloud
cloud
light rain
light rain
rain showers
clear
clear
part cloud
cloud
light rain
mod rain
cloud
clear
clear
clear
clear
light snow
some clouds
some clouds
some clouds
some clouds
light snow
light snow
light snow
some clouds
some clouds
some clouds
cloudy
light snow
heavy rain
light rain
some clouds
cloudy
cloudy
some clouds
cloudy
clear
clear
cloudy
clear
some clouds
clear
some clouds
light rain
some clouds
clear
some clouds
cloudy
cloudy
light rain
light rain
rain shwrs
clear
clear
some clouds
cloudy
light rain
mod rain
cloudy
clear
clear
clear
clear
 km/h
5
NE
15
NNW
15
NE
15
NE
10
E
15
ESE
20
SSE
25
S
15
SW
25
N
15
NE
20
ESE
30
SE
30
S
10
SW
20
W
20
W
20
WNW
15
NW
10
NW
15
N
20
NNW
20
NW
5
NNE
20
S
35
SSW
30
SSW
20
SW
15
W
10
N
5
E
15
SSE
20
S
20
SSW
20
SSW
15
NNW
10
N
10
ESE
5
SSE
15
S
15
S
10
SSW
15
NW
25
NNW
20
N
10
NNE
20
SSE
 mm 
12
2
1
3
3
3
3
6
max°C
1
3
0
-1
2
1
-1
2
10
2
5
0
1
7
7
5
5
2
0
2
-1
-4
1
-1
4
4
2
4
10
8
4
5
4
7
8
9
7
9
7
4
4
6
8
8
2
2
4
Moonrise
7:48
8:57
10:05
11:13
12:20
1:22
2:18
3:05
3:43
4:14
4:39
5:00
5:20
5:39
5:58
Moonset
6:44
7:01
7:20
7:42
8:08
8:41
9:22
10:12
11:10
12:16
1:25
2:36
3:48
5:02
6:17
7:37
Sunrise
7:09
7:07
7:05
7:03
7:01
7:00
6:58
6:56
6:54
6:52
6:50
6:48
6:47
6:45
6:43
6:41
Sunset
7:54
7:55
7:57
7:58
8:00
8:00
8:01
8:04
8:05
8:06
8:07
8:08
8:09
8:10
8:12
8:14
Today's sea temperature in Long Island is
2.7° C
(Statistics for 01 Apr 1981-2005 – mean: 3.6 max: 5.5 min: 2.1°C)
Issued (local time): 8 am Wednesday 01 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest