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 04:58 AM and sunset is at 08:24 PM.

Days 1–3 Weather Summary

Moderate rain (total 11mm), heaviest on Thu night. Warm air temperatures (max 24°C on Fri afternoon, min 14°C on Sat night). Mainly strong winds.

Days 4–6 Weather Summary

Light rain (total 7mm), mostly falling on Mon night. Warm air temperatures (max 24°C on Tue afternoon, min 14°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 19mm), heaviest on Thu afternoon. Warm (max 24°C on Wed morning, min 17°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 49mm), heaviest during Sun night. Warm (max 27°C on Mon afternoon, min 14°C on Sat night). Wind will be generally light.

Days 13–16 Weather Summary

Light rain (total 8mm), mostly falling on Wed night. Warm (max 25°C on Thu afternoon, min 16°C on Tue night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Fri
3
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
AM
PM
Wave Height Map
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High Tide
2:37PM2.99m
2:48AM3.33m
3:34PM2.97m
3:47AM3.15m
4:31PM2.94m
4:47AM2.97m
5:28PM2.92m
5:49AM2.80m
6:25PM2.89m
6:52AM2.65m
7:20PM2.87m
7:53AM2.56m
8:13PM2.86m
8:51AM2.51m
9:03PM2.86m
9:44AM2.50m
9:50PM2.88m
10:32AM2.50m
10:33PM2.90m
11:15AM2.52m
11:13PM2.93m
11:55AM2.53m
11:51PM2.95m
12:32PM2.55m
00:27AM2.96m
1:07PM2.57m
1:03AM2.96m
1:42PM2.59m
Low Tide
8:20AM-0.37m
8:33PM0.05m
9:15AM-0.26m
9:33PM0.12m
10:11AM-0.12m
10:35PM0.20m
11:07AM0.03m
11:39PM0.25m
12:03PM0.18m
00:42AM0.28m
12:59PM0.32m
1:43AM0.28m
1:54PM0.42m
2:41AM0.26m
2:47PM0.48m
3:33AM0.23m
3:36PM0.52m
4:21AM0.19m
4:20PM0.52m
5:04AM0.16m
5:01PM0.51m
5:44AM0.14m
5:39PM0.49m
6:20AM0.12m
6:16PM0.47m
6:55AM0.11m
6:52PM0.45m
7:29AM0.11m
7:29PM0.43m
Wave
Height (m)
Direction
Period (s)
0.8
SSE
4
3
SSE
7
1.6
SSE
7
1.1
SSE
7
0.9
SSE
8
0.8
SSE
8
0.9
SSE
8
0.7
SSE
8
0.5
S
8
0.4
SSE
8
0.3
SSE
8
0.3
SSE
8
0.3
SSE
7
0.4
SSE
7
0.8
SE
4
0.9
SSE
7
0.9
SE
7
0.7
SSE
7
0.6
SSE
7
0.7
SE
7
0.6
SE
7
0.6
SSE
7
0.7
SE
7
0.9
SSE
5
0.8
SSE
5
0.6
SSE
5
0.5
SE
6
0.5
SE
6
0.6
ESE
6
0.6
ESE
6
0.6
ESE
6
0.6
SE
11
0.6
SE
11
1
SE
6
0.9
SSE
6
1
SSE
8
0.8
SSE
8
0.6
SSE
8
0.7
SSE
8
0.6
SSE
9
0.9
SSE
8
0.9
SSE
8
0.9
SSE
8
0.8
SSE
8
0.7
SSE
8
0.5
SSE
7
0.7
SSE
7
light rain
light rain
thunderstorm
clear
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
cloud
rain showers
clear
clear
clear
part cloud
part cloud
rain showers
light rain
rain showers
mod rain
thunderstorm
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
heavy rain
part cloud
clear
clear
part cloud
clear
clear
part cloud
light rain
rain showers
clear
clear
clear
clear
clear
light rain
light rain
risk tstorm
clear
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
cloudy
rain shwrs
clear
clear
clear
some clouds
some clouds
rain shwrs
light rain
rain shwrs
mod rain
risk tstorm
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
heavy rain
some clouds
clear
clear
some clouds
clear
clear
some clouds
light rain
rain shwrs
clear
clear
clear
clear
clear
km/h
20
SSE
45
SSE
25
WSW
25
W
20
W
25
W
30
W
25
WNW
10
NW
10
NW
5
SSE
5
WSW
10
SSE
15
S
15
NNE
10
NNW
5
N
10
NW
5
S
15
S
5
E
15
SSE
20
SSW
20
S
5
SW
10
S
5
N
5
ESE
15
SE
5
E
10
E
15
ESE
15
ENE
10
WSW
15
W
10
W
5
WNW
15
S
5
NNW
10
SE
15
S
15
WSW
20
NNW
5
WNW
5
NW
0
SSW
15
SSW
3
2
6
7
2
1
5
10
1
49
1
7
max °C
15
19
20
21
24
21
18
21
18
17
19
18
19
18
16
22
24
23
24
24
21
20
20
17
19
22
19
22
19
15
15
17
17
22
27
24
22
24
21
19
19
19
22
25
22
23
25
Moonrise
8:54
10:12
11:24
12:34
1:40
2:46
3:52
4:58
6:02
7:03
7:58
8:45
9:23
9:54
10:20
Moonset
11:31
11:54
12:14
12:33
12:52
1:12
1:36
2:04
2:38
3:20
4:11
5:09
6:12
7:19
8:26
Sunrise
4:58
4:58
4:58
4:58
4:58
4:58
4:58
5:00
5:00
5:00
5:01
5:01
5:01
5:01
5:03
5:03
Sunset
8:24
8:24
8:24
8:24
8:25
8:25
8:25
8:25
8:25
8:25
8:25
8:25
8:25
8:25
8:24
8:24
Today's sea temperature in Long Island is
15.7° C
(Statistics for 18 Jun 1981-2005 – mean: 13.6 max: 15.5 min: 11.5°C)
Issued (local time): 1 am Thursday 18 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest