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 08:00 PM.

Days 1–4 Weather Summary

Mostly dry. Very warm air temperatures (max 32°C on Tue afternoon, min 7°C on Thu morning). Winds increasing (calm on Mon night, fresh winds from the W by Wed afternoon).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Fri afternoon, min 11°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 9mm), mostly falling on Wed morning. Very mild (max 13°C on Sun afternoon, min 8°C on Mon afternoon). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 7mm), mostly falling on Fri morning. Warm (max 23°C on Sat morning, min 13°C on Wed afternoon). Wind will be generally light.

Days 14–17 Weather Summary

Moderate rain (total 11mm), heaviest on Mon night. Warm (max 29°C on Sun morning, min 13°C on Wed morning). Wind will be generally light.

Mon
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
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High Tide
12:58PM3.03m
1:05AM3.53m
1:53PM2.98m
2:01AM3.45m
2:51PM2.92m
3:00AM3.32m
3:52PM2.86m
4:03AM3.15m
4:55PM2.82m
5:09AM3.00m
5:59PM2.81m
6:16AM2.86m
7:00PM2.83m
7:23AM2.76m
7:58PM2.88m
8:25AM2.71m
8:50PM2.92m
9:21AM2.68m
9:38PM2.96m
10:12AM2.67m
10:21PM2.98m
10:57AM2.65m
11:00PM2.99m
11:39AM2.64m
11:37PM2.98m
12:17PM2.62m
00:13AM2.97m
12:54PM2.59m
Low Tide
6:51PM-0.03m
7:37AM-0.45m
7:46PM0.03m
8:33AM-0.36m
8:45PM0.12m
9:32AM-0.23m
9:48PM0.21m
10:34AM-0.10m
10:55PM0.28m
11:36AM0.03m
00:03AM0.32m
12:38PM0.13m
1:11AM0.30m
1:37PM0.21m
2:14AM0.25m
2:32PM0.27m
3:10AM0.19m
3:22PM0.32m
4:01AM0.12m
4:08PM0.36m
4:46AM0.08m
4:49PM0.40m
5:27AM0.06m
5:27PM0.43m
6:05AM0.06m
6:04PM0.45m
6:42AM0.08m
6:39PM0.47m
Wave
Height (m)
Direction
Period (s)
0.6
SSE
8
0.8
SSE
5
0.8
SSE
4
0.9
SSE
6
1
SSE
7
0.9
SSE
7
0.9
SSE
7
0.6
SSE
7
0.7
SSE
8
0.6
SSE
8
0.4
SE
8
0.4
SE
9
0.8
S
4
0.5
S
4
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.4
SE
7
0.3
SE
9
0.5
SE
8
0.8
SE
8
0.8
SE
8
0.9
SE
8
0.9
SE
8
0.9
SE
8
0.9
SE
8
0.8
SE
8
0.8
SE
8
0.8
SE
7
1.1
SE
8
1.1
SE
8
1.1
SE
8
1
SE
8
0.8
SE
8
0.8
SE
7
0.6
SE
7
0.6
SE
7
1
S
5
0.8
ESE
9
0.8
ESE
8
0.9
SSE
5
0.9
ESE
9
0.7
ESE
9
0.6
ESE
10
0.6
ESE
10
0.7
ESE
10
0.7
SSE
7
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
mod rain
light rain
cloud
part cloud
clear
rain showers
light rain
rain showers
rain showers
clear
clear
clear
clear
part cloud
rain showers
rain showers
rain showers
mod rain
part cloud
cloud
part cloud
some clouds
clear
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
mod rain
light rain
cloudy
some clouds
clear
rain shwrs
light rain
rain shwrs
rain shwrs
clear
clear
clear
clear
some clouds
rain shwrs
rain shwrs
rain shwrs
mod rain
some clouds
cloudy
some clouds
km/h
15
SE
0
SSW
20
SW
20
WSW
20
WSW
20
WSW
25
WNW
20
NNW
15
NNW
5
WSW
5
NW
10
SW
20
SSW
5
NNE
5
ESE
15
S
5
WSW
15
ESE
10
SE
0
S
10
SE
5
SE
5
S
5
SSE
10
SE
5
E
5
SSE
5
SE
5
ENE
10
SE
15
SSE
10
S
10
S
10
SE
5
NE
10
SE
15
S
10
WSW
5
S
15
SSW
10
NE
15
ESE
10
ESE
0
SE
10
E
5
SSE
5
NNE
3
6
1
2
2
1
1
1
1
1
8
max °C
15
17
29
32
27
29
29
21
12
15
14
16
18
16
14
15
12
13
13
11
9
8
9
11
13
12
12
14
13
17
17
15
17
21
20
23
23
23
29
26
24
17
16
16
22
19
16
Moonrise
7:20
8:37
9:57
11:14
12:27
1:36
2:43
3:49
4:54
6:00
7:06
8:10
9:09
10:01
10:46
Moonset
10:57
11:52
12:33
1:05
1:30
1:51
2:10
2:28
2:47
3:08
3:32
4:02
4:38
5:23
6:16
Sunrise
5:11
5:09
5:09
5:09
5:07
5:07
5:05
5:05
5:05
5:03
5:03
5:03
5:01
5:01
5:01
Sunset
8:00
8:01
8:02
8:04
8:05
8:06
8:07
8:07
8:08
8:09
8:10
8:12
8:13
8:14
8:15
8:15
Today's sea temperature in Long Island is
9.0° C
(Statistics for 18 May 1981-2005 – mean: 8.8 max: 10.9 min: 7.0°C)
Issued (local time): 1 pm Monday 18 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest