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 07:11 AM and sunset is at 04:07 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Tue afternoon. Icy conditions (max 1°C on Tue night, min -4°C on Mon night). Mainly fresh winds.

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Sun morning. Icy conditions (max 1°C on Sun afternoon, min -13°C on Thu night). Winds decreasing (fresh winds from the NNW on Thu night, calm by Sat night).

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 1°C on Sun night, min -10°C on Tue night). Winds decreasing (fresh winds from the W on Sun night, calm by Wed morning).

Days 10–12 Weather Summary

A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -1°C on Thu morning, min -13°C on Sat night). Wind will be generally light.

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
12:51PM2.89m
1:31AM2.54m
1:32PM2.87m
2:12AM2.58m
2:17PM2.83m
2:57AM2.65m
3:07PM2.77m
3:44AM2.73m
4:02PM2.71m
4:36AM2.83m
5:02PM2.66m
5:32AM2.94m
6:05PM2.65m
6:29AM3.07m
7:11PM2.66m
7:28AM3.19m
8:13PM2.69m
8:26AM3.28m
9:14PM2.76m
9:24AM3.38m
10:11PM2.84m
10:20AM3.44m
Low Tide
7:17PM0.06m
7:22AM0.38m
7:56PM0.06m
8:07AM0.36m
8:39PM0.07m
8:58AM0.32m
9:26PM0.09m
9:53AM0.27m
10:16PM0.11m
10:53AM0.19m
11:11PM0.13m
11:56AM0.08m
00:10AM0.14m
1:00PM-0.05m
1:09AM0.12m
2:02PM-0.20m
2:08AM0.10m
3:01PM-0.30m
3:07AM0.02m
3:58PM-0.41m
4:03AM-0.04m
4:52PM-0.47m
Wave
height (m) 
direction
period (s) 
0.3
ESE
10
0.3
ESE
10
0.6
ESE
4
1.5
NNE
5
1.6
E
8
1.2
ESE
8
1.1
ESE
9
0.9
ESE
9
1.2
N
4
0.7
E
10
0.6
E
10
0.6
NE
4
0.7
E
12
0.5
E
12
0.4
ESE
12
0.4
ESE
12
0.8
S
4
0.9
SSE
5
0.9
S
6
1
SW
5
1.1
SW
5
0.6
SW
5
0.5
W
3
0.4
SE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.7
S
4
0.8
S
5
1
S
5
0.9
SSE
10
0.7
SSE
11
0.9
WSW
6
0.5
SW
5
0.4
SE
11
part cloud
light snow
light snow
snow showers
part cloud
cloud
part cloud
part cloud
clear
clear
cloud
cloud
part cloud
clear
part cloud
light snow
light snow
light snow
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
light snow
light snow
light snow
heavy snow
light snow
light snow
cloud
cloud
part cloud
some clouds
light snow
light snow
snow shwrs
some clouds
cloudy
some clouds
some clouds
clear
clear
cloudy
cloudy
some clouds
clear
some clouds
light snow
light snow
light snow
cloudy
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
light snow
light snow
light snow
heavy snow
light snow
light snow
cloudy
cloudy
some clouds
 km/h
5
E
5
SE
5
WNW
35
N
15
NNE
5
WSW
15
WSW
10
NW
30
NNW
20
NNW
15
NNE
15
NNE
15
NNE
10
NNE
5
N
10
SW
15
S
15
W
25
W
25
W
25
W
15
W
15
WNW
10
NW
5
NW
5
WSW
5
SW
5
SSW
15
WNW
10
NNW
20
WNW
10
NNW
20
W
15
WNW
10
NW
 mm 
max°C
0
0
1
-3
-2
-2
-1
0
-8
-9
-9
-10
-7
-6
-6
-4
1
1
-4
-5
-6
-2
-3
-7
-7
-6
-5
-1
-1
-3
-8
-5
-7
-8
-9
Moonrise
9:51
10:15
10:36
10:56
11:15
11:36
12:00
12:31
1:10
2:03
3:09
4:27
Moonset
7:38
8:47
9:57
11:07
12:20
1:36
2:55
4:18
5:38
6:50
7:48
Sunrise
7:11
7:11
7:11
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
Sunset
4:07
4:07
4:07
4:08
4:09
4:09
4:10
4:12
4:13
4:14
4:15
4:15
Today's sea temperature in Long Island is
5.8° C
(Statistics for 23 Dec 1981-2005 – mean: 5.8 max: 6.9 min: 4.5°C)
Issued (local time): 12 am Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest