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 —.

Days 1–4 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max -3°C on Thu afternoon, min -13°C on Sat morning). Winds increasing (calm on Thu morning, fresh winds from the NNW by Thu night).

Days 5–7 Weather Summary

A dusting of snow giving way to moderate rain (total 11mm) heaviest on Mon night. Icy conditions (max 5°C on Mon night, min -9°C on Sat night). Winds decreasing (fresh winds from the NW on Sun morning, calm by Mon morning).

Days 8–10 Weather Summary

A light covering of new snow, mostly falling on Thu night. Temperatures will be below freezing (max -2°C on Wed night, min -7°C on Wed morning). Wind will be generally light.

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Mon morning, min -17°C on Sat night). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
3:08AM6.30m
3:26PM6.63m
3:55AM6.46m
4:15PM6.64m
4:46AM6.63m
5:09PM6.63m
5:40AM6.79m
6:07PM6.62m
6:37AM6.95m
7:07PM6.61m
7:36AM7.10m
8:09PM6.63m
8:37AM7.24m
9:09PM6.61m
9:36AM7.31m
10:10PM6.69m
10:35AM7.41m
11:08PM6.78m
11:31AM7.47m
00:03AM6.84m
12:24PM7.46m
00:55AM6.86m
1:15PM7.36m
Low Tide
9:04PM1.04m
9:22AM1.41m
9:49PM0.97m
10:11AM1.27m
10:38PM0.93m
11:04AM1.13m
11:31PM0.92m
12:02PM0.99m
00:27AM0.93m
1:02PM0.83m
1:26AM0.93m
2:03PM0.68m
2:26AM0.92m
3:04PM0.53m
3:26AM0.94m
4:04PM0.45m
4:26AM0.86m
5:02PM0.33m
5:23AM0.78m
5:58PM0.25m
6:18AM0.73m
6:50PM0.24m
7:10AM0.73m
Wave
height (m) 
direction
period (s) 
0.1
N
2
0.1
S
1
0.2
NNW
2
0.8
N
4
0.7
N
4
0.5
N
3
0.3
NNW
2
0.3
NNW
2
0.4
NNW
3
0.7
NNW
4
0.8
NNW
4
0.6
NW
3
0.3
NW
3
0
E
1
0.4
SE
3
0.5
W
3
0.5
W
3
0.5
W
3
0.4
WSW
3
0.2
W
2
0.2
W
2
0.2
WSW
2
0.3
WSW
2
0
W
2
0.1
NE
2
0.3
N
2
0.4
N
3
0.5
N
3
0.4
NW
3
0.4
NW
3
0.1
NW
2
0.1
NW
2
0
W
1
0.1
S
1
0.4
SSW
3
0.3
SW
2
part cloud
light snow
snow showers
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
light snow
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
light snow
light snow
cloud
snow showers
part cloud
part cloud
clear
part cloud
part cloud
cloud
light snow
part cloud
some clouds
light snow
snow shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
light snow
rain shwrs
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
light snow
light snow
cloudy
snow shwrs
some clouds
some clouds
clear
some clouds
some clouds
cloudy
light snow
some clouds
 km/h
5
NW
0
S
15
NW
35
NNW
25
NNW
20
NNW
15
NNW
15
NNW
25
NW
30
NW
25
NW
25
NW
15
NW
10
SSE
25
ESE
25
W
30
WSW
25
WSW
20
WSW
10
W
15
W
15
SW
15
W
5
NW
10
NE
15
N
20
NNW
25
NW
20
NW
20
NW
10
WNW
10
WNW
5
WNW
10
SSE
20
SW
15
SW
 mm 
11
max°C
-7
-6
-3
-5
-11
-9
-11
-10
-7
-6
-3
-1
-3
-3
2
5
-2
-4
-5
-6
-4
-2
-2
-2
-4
-5
-5
-9
-15
-13
-15
-14
-11
0
2
1
Moonrise
11:25
11:43
12:01
12:21
12:44
1:13
1:51
2:42
3:48
5:07
6:29
7:50
Moonset
9:31
10:42
11:54
1:08
2:25
3:46
5:10
6:32
7:44
8:41
9:24
9:55
Sunrise
8:04
8:04
8:04
8:06
8:06
8:06
8:06
8:06
8:06
8:06
8:06
8:06
Sunset
4:50
4:51
4:52
4:52
4:52
4:53
4:54
4:55
4:57
4:58
4:59
5:00
Today's sea temperature in Long Island is
5.2° C
(Statistics for 24 Dec 1981-2005 – mean: 5.9 max: 7.1 min: 4.9°C)
Issued (local time): 7 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest