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 05:58 PM.

Days 1–4 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -2°C on Thu afternoon, min -15°C on Thu morning). Winds decreasing (strong winds from the W on Mon night, light winds from the WNW by Wed night).

Days 5–7 Weather Summary

Mostly dry. Air temperatures will be below freezing (max 0°C on Sun afternoon, min -12°C on Sat morning). Wind will be generally light.

Days 8–10 Weather Summary

A moderate fall of snow, heaviest on Tue morning. Freeze-thaw conditions (max 2°C on Mon afternoon, min -3°C on Sun night). Wind will be generally light.

Days 11–13 Weather Summary

A dusting of snow. Milder later with heavy rain (total 35mm) on Fri morning. Freeze-thaw conditions (max 8°C on Fri morning, min -19°C on Sat morning). Winds decreasing (strong winds from the ESE on Fri morning, calm by Sat night).

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Sat
1
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
3:39AM6.52m
4:02PM6.18m
4:23AM6.37m
4:48PM5.96m
5:09AM6.20m
5:37PM5.76m
5:59AM6.06m
6:29PM5.60m
6:51AM5.99m
7:23PM5.54m
7:46AM6.03m
8:18PM5.61m
8:39AM6.20m
9:11PM5.82m
9:32AM6.48m
10:02PM6.15m
10:22AM6.84m
10:51PM6.57m
11:12AM7.20m
11:40PM7.01m
12:02PM7.50m
00:28AM7.39m
12:51PM7.67m
Low Tide
9:33PM1.17m
9:57AM1.19m
10:16PM1.38m
10:43AM1.35m
11:02PM1.61m
11:31AM1.53m
11:51PM1.82m
12:23PM1.67m
00:42AM1.97m
1:17PM1.75m
1:36AM2.03m
2:12PM1.71m
2:30AM1.95m
3:05PM1.53m
3:23AM1.73m
3:57PM1.25m
4:15AM1.40m
4:46PM0.89m
5:05AM0.99m
5:35PM0.52m
5:55AM0.57m
6:23PM0.22m
6:45AM0.22m
Wave
height (m) 
direction
period (s) 
1
W
4
0.7
W
4
0.6
WNW
3
0.5
W
3
0.3
WNW
3
0.2
WNW
2
0.1
W
2
0.1
W
1
0.2
N
2
0.4
N
3
0.4
NNW
3
0.4
NNW
3
0.4
NW
3
0.4
NW
3
0.2
WNW
2
0.2
W
2
0.2
W
2
0.2
WSW
2
0.1
SW
2
0
E
1
0.1
S
1
0.2
E
2
0.3
NNW
3
0.3
NW
3
0
W
1
0
E
1
0.1
N
2
0.1
NW
2
0.1
N
2
0.1
SW
1
0.2
SSE
2
1.2
SSE
4
0.7
S
4
0.8
WNW
4
0.5
WNW
3
0.1
NW
2
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
light snow
mod snow
light snow
cloud
cloud
cloud
part cloud
clear
cloud
light snow
heavy rain
mod rain
snow showers
clear
clear
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
light snow
mod snow
light snow
cloudy
cloudy
cloudy
some clouds
clear
cloudy
light snow
heavy rain
mod rain
snow shwrs
clear
clear
 km/h
40
W
30
WNW
25
WNW
25
WNW
20
WNW
15
WNW
10
WNW
10
NW
15
N
15
NNW
25
NNW
20
NNW
20
NW
20
NW
15
W
5
W
15
W
15
WSW
5
WSW
5
ESE
5
SSE
15
NE
20
NW
15
W
5
S
5
NNE
10
NNW
10
NW
10
NW
10
SSW
15
SSE
40
S
25
S
30
WNW
25
WNW
10
WNW
 mm 
26
9
max°C
-11
-12
-10
-12
-9
-3
-6
-6
-2
-3
-6
-4
-6
-8
-3
-5
-1
0
-1
0
2
1
1
2
1
1
1
0
-2
1
2
8
8
2
-17
-12
Moonrise
11:29
12:35
1:43
2:50
3:53
4:50
5:37
6:15
6:45
7:10
7:31
7:51
Moonset
9:15
9:33
9:55
10:23
10:58
11:45
12:43
1:53
3:11
4:32
5:54
7:15
8:37
Sunrise
7:24
7:22
7:20
7:18
7:16
7:16
7:13
7:11
7:09
7:09
7:07
7:05
Sunset
5:58
5:59
6:00
6:01
6:04
6:05
6:06
6:07
6:08
6:10
6:12
6:13
6:15
Today's sea temperature in Long Island is 1.6 °C (Statistics for 17 Feb 1981-2005 – mean: 3.5 max: 5.3 min: 2.3°C)
Issued (local time): 7 pm Monday 17 Feb 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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