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 07:07 AM and sunset is at 05:31 PM.

Days 1–3 Weather Summary

Moderate rain (total 19mm), heaviest on Wed night. Cool air temperatures (max 15°C on Tue afternoon, min 9°C on Wed night). Winds decreasing (fresh winds from the NNW on Tue morning, calm by Wed night).

Days 4–6 Weather Summary

Some drizzle, heaviest during Thu morning. Cool air temperatures (max 14°C on Thu afternoon, min 11°C on Fri afternoon). Winds increasing (light winds from the SE on Fri night, fresh winds from the SE by Sat night).

Days 7–9 Weather Summary

Moderate rain (total 18mm), heaviest on Tue morning. Very mild (max 14°C on Sun afternoon, min 8°C on Tue morning). Winds increasing (calm on Sun morning, gales from the S by Mon afternoon).

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Wed morning. Very mild (max 12°C on Thu afternoon, min 10°C on Wed morning). Winds decreasing (near gales from the SSE on Wed morning, calm by Fri night).

Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
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
12:04PM1.26m
00:24AM1.36m
12:45PM1.18m
1:04AM1.27m
1:37PM1.07m
1:55AM1.16m
2:52PM0.97m
3:08AM1.07m
4:47PM0.93m
4:58AM1.04m
6:26PM1.00m
6:31AM1.13m
7:30PM1.12m
7:33AM1.25m
8:20PM1.26m
8:22AM1.36m
9:04PM1.39m
9:06AM1.44m
9:45PM1.49m
9:47AM1.47m
10:23PM1.54m
10:27AM1.47m
10:58PM1.55m
Low Tide
5:48PM0.29m
6:01AM0.20m
6:33PM0.35m
6:48AM0.27m
7:28PM0.41m
7:50AM0.35m
8:42PM0.45m
9:15AM0.40m
10:10PM0.43m
10:46AM0.36m
11:28PM0.35m
11:56AM0.27m
00:32AM0.24m
12:51PM0.17m
1:26AM0.14m
1:38PM0.10m
2:15AM0.07m
2:23PM0.06m
3:01AM0.03m
3:05PM0.06m
3:44AM0.02m
3:47PM0.09m
4:24AM0.04m
Wave
height (m) 
direction
period (s) 
0.3
NNE
2
0.3
NNE
3
0.4
NNW
3
0.9
NNW
4
0.9
NNW
4
0.6
N
4
0.8
NW
4
1.1
NW
5
0.8
SW
6
0.6
S
8
0.6
S
8
0.7
WNW
6
0.8
SSE
4
1
SSE
18
0.8
SSE
17
1
NW
4
0.6
SSE
14
1.2
SSE
5
0.8
SSE
18
0.6
SSE
17
0.5
SSE
14
0.4
SSE
12
2.2
SSE
6
2.1
SSE
6
1.7
S
6
2
SSE
6
1.9
SSE
6
1.9
SSE
6
1.7
SSE
6
1.6
SSE
6
0.8
SSE
4
0.8
SSE
4
0.5
SSE
4
0.3
SE
8
0.2
SSE
8
0.1
SE
10
clear
clear
clear
part cloud
clear
clear
part cloud
rain showers
rain showers
rain showers
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
clear
clear
light rain
rain showers
light rain
rain showers
mod rain
rain showers
rain showers
cloud
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
some clouds
clear
clear
some clouds
rain shwrs
rain shwrs
rain shwrs
clear
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
some clouds
clear
clear
light rain
rain shwrs
light rain
rain shwrs
mod rain
rain shwrs
rain shwrs
cloudy
clear
clear
some clouds
clear
clear
some clouds
 km/h
20
NNW
20
NNW
25
NNW
35
NNW
35
NNW
15
WNW
25
WNW
35
NW
10
SW
15
N
20
NW
10
SW
30
S
30
SSE
5
SE
30
NW
20
SSE
35
SE
10
SSE
20
N
20
NW
20
S
65
S
55
S
50
S
55
SSE
55
SSE
55
SSE
50
SSE
45
SSE
25
S
30
SSE
20
S
15
S
5
N
5
NNW
 mm 
2.0
17
1.0
1.0
1.0
5
4
7
2.0
1.0
max°C
13
14
14
14
15
14
15
15
11
12
14
13
12
12
13
14
13
13
12
14
13
12
11
10
9
9
10
10
11
11
11
12
12
11
12
12
Moonrise
9:00
10:09
11:23
12:40
1:56
3:12
4:28
5:45
7:04
8:23
9:39
Moonset
12:21
1:11
1:52
2:25
2:53
3:18
3:42
4:06
4:32
5:03
5:40
6:26
Sunrise
7:07
7:07
7:09
7:09
7:11
7:11
7:13
7:13
7:15
7:16
7:16
7:18
Sunset
5:31
5:30
5:29
5:28
5:27
5:24
5:23
5:22
5:22
5:21
5:20
5:19
Today's sea temperature in Long Island is 15.3 °C (Statistics for 29 Apr 1981-2005 – mean: 15.0 max: 16.2 min: 14.0°C)
Nearest