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 06:52 AM and sunset is at 07:30 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Fri morning, min 9°C on Wed morning). Winds increasing (light winds from the NE on Thu night, strong winds from the NNW by Fri night).

Days 4–6 Weather Summary

Moderate rain (total 10mm), heaviest on Sun morning. Cool air temperatures (max 14°C on Sat morning, min 8°C on Sun morning). Winds decreasing (near gales from the SSE on Sun morning, calm by Mon night).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 13°C on Thu afternoon, min 10°C on Wed night). Winds decreasing (strong winds from the S on Tue morning, calm by Tue night).

Days 10–12 Weather Summary

Light rain (total 6mm), mostly falling on Sat afternoon. Very mild (max 15°C on Sun morning, min 10°C on Sun night). Winds decreasing (strong winds from the NNW on Sat night, light winds from the SE by Mon morning).

Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
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
12:59PM1.37m
1:08AM1.30m
1:22PM1.32m
1:39AM1.20m
1:44PM1.24m
2:13AM1.09m
2:08PM1.14m
2:58AM0.97m
2:43PM1.02m
4:03AM0.86m
3:44PM0.88m
5:53AM0.79m
7:47PM0.86m
7:56AM0.86m
8:47PM0.98m
8:53AM0.97m
9:24PM1.09m
9:32AM1.07m
9:56PM1.18m
10:06AM1.17m
10:24PM1.24m
10:38AM1.25m
10:51PM1.29m
Low Tide
6:36PM-0.08m
6:40AM-0.07m
7:12PM0.02m
7:15AM0.04m
7:50PM0.14m
7:53AM0.18m
8:36PM0.28m
8:39AM0.31m
9:48PM0.40m
9:48AM0.43m
11:43PM0.43m
11:30AM0.47m
1:15AM0.34m
1:05PM0.39m
2:10AM0.22m
2:08PM0.26m
2:51AM0.11m
2:52PM0.15m
3:24AM0.03m
3:26PM0.07m
3:52AM-0.03m
3:57PM0.01m
4:19AM-0.06m
Wave
height (m) 
direction
period (s) 
1.1
NW
4
1.3
NNW
5
0.8
NNE
4
0.9
NNE
4
0.7
NNE
4
0.6
NNE
4
0.7
NNE
4
1.4
NW
5
1.7
NNW
6
1.3
NNW
5
1
NW
6
0.9
SSE
4
1.8
SSE
6
2.2
SSE
6
1.6
SSE
6
0.6
SSE
6
0.4
SSE
8
0.4
NNE
3
0.7
SSE
3
0.5
SSE
4
0.3
SSE
11
0.4
SSE
16
0.5
SSE
15
0.6
N
4
1.5
NW
5
0.9
NNW
6
0.9
NNW
6
0.9
NNW
4
1.1
NNW
4
0.9
NNW
5
1.1
N
5
1.3
NNW
9
2.5
NNW
7
1.8
NNW
7
1.4
NW
8
1.1
NNW
9
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
light rain
mod rain
cloud
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
rain showers
part cloud
cloud
part cloud
some clouds
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
clear
some clouds
light rain
mod rain
cloudy
some clouds
clear
clear
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
light rain
rain shwrs
some clouds
cloudy
some clouds
 km/h
40
NW
35
NNW
30
NNE
25
N
20
NNE
25
NNE
25
NNW
40
NW
45
NNW
30
NW
20
S
30
SSE
55
SSE
60
SSE
45
S
15
SSW
25
NW
15
N
40
S
15
S
5
S
10
NNE
25
N
20
NW
30
NW
10
NW
25
NNW
35
NNW
40
NNW
30
NNW
30
NNE
20
N
50
NNW
35
WNW
35
NW
25
WNW
 mm 
3
7
4
2.0
max°C
9
10
10
10
11
11
13
13
13
14
11
10
8
9
9
10
11
12
11
11
11
11
12
12
11
13
12
12
13
13
13
14
13
15
14
13
Moonrise
12:10
1:19
2:21
3:13
3:56
4:30
4:58
5:22
5:43
6:02
6:22
6:41
Moonset
9:19
10:03
10:54
11:52
12:54
1:57
3:00
4:02
5:04
6:05
7:07
8:10
Sunrise
6:52
6:52
6:50
6:48
6:47
6:45
6:43
6:41
6:39
6:37
6:37
6:35
Sunset
7:30
7:30
7:31
7:34
7:35
7:36
7:37
7:37
7:38
7:39
7:40
7:42
Today's sea temperature in Long Island is 12.6 °C (Statistics for 04 Oct 1981-2005 – mean: 12.6 max: 13.6 min: 12.0°C)
Nearest