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 moderate fall of snow, heaviest on Wed morning. Icy conditions (max 1°C on Tue night, min -13°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the NNW by Thu afternoon).

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Sun night. Icy conditions (max 5°C on Mon morning, min -11°C on Fri night). Winds increasing (calm on Sun morning, fresh winds from the W by Mon afternoon).

Days 7–9 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -2°C on Wed night, min -10°C on Thu afternoon). Winds decreasing (fresh winds from the W on Mon night, light winds from the N by Thu morning).

Days 10–12 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -2°C on Sun afternoon, min -19°C on Fri night). Winds decreasing (fresh winds from the NNW on Thu night, calm by Sat afternoon).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sun
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
Wave Height Map
High Tide
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
11:06PM2.90m
11:15AM3.44m
Low Tide
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
4:59AM-0.08m
5:44PM-0.47m
Wave
height (m) 
direction
period (s) 
1.7
E
6
1.7
ESE
8
1.3
ESE
8
1.1
ESE
9
1
ESE
9
1.2
N
4
0.8
N
4
0.5
E
10
0.6
NE
4
0.7
ESE
12
0.6
E
12
0.6
E
12
0.4
ESE
12
0.3
ESE
12
0.7
SSW
4
2
S
7
1.7
SSE
7
1.4
SSW
6
1.2
SW
6
1.1
SW
6
0.7
SSE
11
0.4
SE
12
0.8
SW
4
1.2
SSW
5
0.5
S
5
0.3
ESE
12
0.9
NNE
4
0.7
NNW
3
0.4
ESE
11
0.3
ESE
11
0.3
ESE
10
0.2
ESE
12
0.2
ESE
11
0.4
ESE
10
0.7
S
4
mod snow
part cloud
cloud
cloud
clear
clear
clear
part cloud
part cloud
cloud
clear
part cloud
clear
part cloud
mod rain
rain showers
part cloud
part cloud
cloud
cloud
clear
cloud
part cloud
part cloud
cloud
light snow
snow showers
clear
clear
clear
part cloud
clear
clear
clear
part cloud
mod snow
some clouds
cloudy
cloudy
clear
clear
clear
some clouds
some clouds
cloudy
clear
some clouds
clear
some clouds
mod rain
rain shwrs
some clouds
some clouds
cloudy
cloudy
clear
cloudy
some clouds
some clouds
cloudy
light snow
snow shwrs
clear
clear
clear
some clouds
clear
clear
clear
some clouds
 km/h
30
NNE
10
NNE
10
WSW
10
W
30
NNW
30
NNW
20
NNW
10
N
15
NNE
15
NNE
10
N
5
WNW
5
WNW
5
SSW
15
SSW
20
SSW
35
W
30
WSW
30
WSW
20
W
10
WNW
10
W
20
SW
25
WSW
10
N
10
N
30
NNW
25
NW
15
NW
10
NNW
5
NW
5
WNW
5
W
15
SW
15
SW
 mm 
7
5
max°C
-3
-4
-2
1
-1
-9
-9
-8
-10
-8
-7
-7
-2
0
3
5
0
-4
-3
-4
-7
-6
-3
-2
-9
-8
-11
-16
-15
-18
-14
-13
-10
-6
-2
Moonrise
10:15
10:36
10:56
11:15
11:36
12:00
12:31
1:10
2:03
3:09
4:27
5:48
Moonset
8:47
9:57
11:07
12:20
1:36
2:55
4:18
5:38
6:50
7:48
8:31
Sunrise
7:11
7:11
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
Sunset
4:07
4:07
4:08
4:09
4:09
4:10
4:12
4:13
4:14
4:15
4:15
4:16
Today's sea temperature in Long Island is
5.6° C
(Statistics for 24 Dec 1981-2005 – mean: 5.8 max: 6.8 min: 4.5°C)
Issued (local time): 12 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest