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 08:41 AM and sunset is at 03:55 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Wed afternoon. Air temperatures will be well below freezing (max -8°C on Fri night, min -16°C on Thu night). Winds increasing (light winds from the WSW on Thu night, strong winds from the SSE by Fri afternoon).

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Sun morning. Air temperatures will be below freezing (max -5°C on Mon morning, min -10°C on Sat night). Winds increasing (calm on Sat night, strong winds from the N by Mon afternoon).

Days 7–9 Weather Summary

A moderate fall of snow, heaviest on Tue morning. Temperatures will be well below freezing (max -7°C on Tue morning, min -21°C on Thu morning). Mainly strong winds.

Days 10–12 Weather Summary

A moderate fall of snow, heaviest on Sat afternoon. Temperatures will be well below freezing (max -8°C on Sun morning, min -20°C on Fri afternoon). Mainly strong winds.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
10:57AM1.72m
11:25PM1.72m
11:34AM1.69m
11:59PM1.73m
12:09PM1.67m
00:33AM1.74m
12:47PM1.67m
1:11AM1.76m
1:30PM1.67m
1:55AM1.76m
2:21PM1.68m
2:48AM1.76m
3:20PM1.70m
3:49AM1.76m
4:28PM1.72m
4:52AM1.75m
5:36PM1.75m
6:03AM1.77m
6:47PM1.80m
7:09AM1.81m
7:50PM1.85m
8:09AM1.86m
8:46PM1.89m
Low Tide
5:11PM0.34m
5:30AM0.44m
5:44PM0.36m
6:06AM0.44m
6:19PM0.38m
6:44AM0.43m
6:57PM0.39m
7:25AM0.42m
7:42PM0.40m
8:14AM0.41m
8:35PM0.42m
9:11AM0.40m
9:38PM0.43m
10:16AM0.38m
10:42PM0.44m
11:21AM0.34m
11:57PM0.42m
12:33PM0.29m
1:07AM0.38m
1:38PM0.22m
2:09AM0.33m
2:35PM0.16m
3:04AM0.28m
Wave
height (m) 
direction
period (s) 
0.7
WNW
4
0.7
W
4
0.6
WNW
3
0.8
NW
4
0.5
NW
3
0.3
WNW
3
0.5
S
3
0.8
S
3
0.9
SSW
4
0.6
SSW
3
0.3
SW
3
0.1
W
3
0.2
ESE
2
0.2
E
2
0.1
E
2
0.5
N
3
1
NNW
4
1.3
NNW
4
1.2
NW
4
1.2
NW
4
1.1
NW
4
1.2
NW
4
1.3
NW
4
1
WNW
4
0.9
WNW
4
0.7
WNW
4
0.7
WNW
4
0.8
WNW
4
0.8
WNW
4
0.7
WNW
4
0.6
W
3
0.5
WSW
3
0.7
S
3
0.3
S
3
0.1
S
2
1.2
NW
4
cloud
light snow
cloud
cloud
part cloud
part cloud
cloud
light snow
light snow
light snow
light snow
cloud
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
cloud
light snow
light snow
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light snow
light snow
light snow
light snow
light snow
cloudy
light snow
cloudy
cloudy
some clouds
some clouds
cloudy
light snow
light snow
light snow
light snow
cloudy
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
cloudy
light snow
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
light snow
light snow
light snow
light snow
 km/h
30
WSW
30
W
25
WNW
30
NW
20
WNW
20
SW
35
SSE
45
SSE
45
S
35
SSW
20
SW
5
SE
20
ESE
20
ESE
10
ENE
30
NNE
45
N
45
NNW
40
NW
40
NW
35
NNW
40
NW
40
NW
35
W
35
W
30
WSW
30
W
35
W
35
W
30
WSW
25
WSW
30
SSW
40
SSE
25
SE
10
N
45
NNW
 mm 
max°C
-15
-14
-12
-12
-11
-15
-14
-12
-8
-8
-8
-9
-9
-9
-6
-5
-5
-6
-7
-8
-8
-12
-13
-15
-21
-21
-18
-18
-20
-18
-16
-14
-9
-8
-8
-8
Moonrise
11:23
11:32
11:39
11:47
11:55
12:06
12:22
12:46
1:27
2:33
4:01
5:38
Moonset
9:03
10:25
11:48
1:14
2:44
4:20
5:59
7:32
8:47
9:35
10:04
Sunrise
8:41
8:41
8:41
8:41
8:41
8:41
8:41
8:41
8:41
8:41
8:41
8:41
Sunset
3:55
3:56
3:56
3:56
3:57
3:59
4:00
4:00
4:02
4:04
4:05
4:06
Today's sea temperature in Long Island is
-0.9° C
(Statistics for 24 Dec 1981-2005 – mean: -1.6 max: -0.4 min: -1.9°C)
Issued (local time): 6 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest