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 05:31 PM.

Days 1–4 Weather Summary

Heavy rain (total 58mm), heaviest during Wed afternoon. Cool air temperatures (max 14°C on Wed afternoon, min 10°C on Thu afternoon). Winds decreasing (gales from the S on Wed night, light winds from the NW by Sat morning).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Sat afternoon, min 12°C on Sun morning). Winds increasing (calm on Sat afternoon, strong winds from the SSE by Sun morning).

Days 8–10 Weather Summary

Heavy rain (total 29mm), heaviest during Fri morning. Very mild (max 18°C on Thu afternoon, min 12°C on Fri morning). Mainly strong winds.

Days 11–13 Weather Summary

Some drizzle, heaviest during Mon afternoon. Very mild (max 14°C on Sat morning, min 12°C on Fri afternoon). Mainly strong winds.

Wed
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
Friday
9
Saturday
10
Sunday
11
Mon
12
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
AM
Wave Height Map
High Tide
11:17PM1.56m
11:29AM1.45m
11:52PM1.53m
12:10PM1.37m
00:26AM1.44m
12:51PM1.26m
1:01AM1.33m
1:36PM1.15m
1:40AM1.20m
2:30PM1.05m
2:33AM1.07m
3:46PM0.97m
4:13AM0.99m
5:23PM0.96m
6:08AM1.02m
6:37PM1.03m
7:08AM1.11m
7:28PM1.13m
7:51AM1.20m
8:10PM1.24m
8:28AM1.27m
8:47PM1.33m
9:02AM1.32m
Low Tide
4:06PM0.07m
4:43AM0.02m
4:48PM0.12m
5:23AM0.08m
5:30PM0.18m
6:04AM0.16m
6:14PM0.25m
6:49AM0.25m
7:03PM0.33m
7:44AM0.34m
8:01PM0.41m
8:59AM0.41m
9:15PM0.45m
10:30AM0.40m
10:39PM0.42m
11:43AM0.33m
11:50PM0.35m
12:36PM0.26m
00:46AM0.27m
1:19PM0.20m
1:32AM0.21m
1:57PM0.17m
2:13AM0.17m
Wave
height (m) 
direction
period (s) 
2.3
SSE
6
3
SSE
7
1.7
S
10
1.6
SSE
11
1.5
SSE
12
1.5
SSE
12
1.7
SSE
12
1.6
SE
11
0.6
SE
10
0.4
SE
10
0.4
SE
9
1.7
SSE
6
1.4
SSE
5
0.5
S
8
0.4
SSE
13
0.5
S
12
0.4
SSE
10
0.4
SSE
13
0.7
NNW
4
1.2
NNW
4
1.2
NNW
5
1.2
NNW
5
1
NNW
4
1.3
NNW
5
1.1
N
6
1.7
NNW
6
1.3
NNW
7
1.4
SSE
5
0.5
NNW
7
0.6
NNW
4
0.5
N
4
0.4
N
4
0.4
N
4
0.8
SSE
4
1.1
SSE
5
1
S
5
heavy rain
heavy rain
light rain
light rain
light rain
cloud
cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
rain showers
heavy rain
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
heavy rain
heavy rain
light rain
light rain
light rain
cloudy
cloudy
clear
clear
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
clear
rain shwrs
heavy rain
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
 km/h
65
SSE
70
S
45
SW
30
SW
20
SSW
30
SSW
40
S
35
S
10
WNW
5
NNW
10
SW
50
SSE
40
SSE
10
S
20
NW
25
N
15
NNE
25
NNW
35
NW
40
NW
40
NW
40
NW
40
NW
35
NNW
35
NNW
45
NNW
25
N
40
SSE
5
SW
25
NNW
20
NNW
10
NW
15
S
35
SSE
35
S
30
S
 mm 
26
22
2
4
4
12
17
max°C
14
14
13
13
11
12
13
12
12
14
14
13
13
12
13
13
13
14
14
14
14
15
15
16
18
18
16
12
13
14
14
13
13
13
12
13
Moonrise
10:04
11:18
12:19
1:06
1:42
2:10
2:34
2:54
3:13
3:31
3:50
4:11
4:36
Moonset
6:51
7:51
8:59
10:11
11:22
12:30
1:35
2:37
3:38
4:38
5:39
6:42
Sunrise
7:07
7:09
7:09
7:11
7:11
7:13
7:13
7:15
7:16
7:16
7:18
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 16.0 °C (Statistics for 30 Apr 1981-2005 – mean: 15.0 max: 16.2 min: 13.9°C)
Issued (local time): 5 pm Wednesday 30 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest