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 09:15 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Sat afternoon. Cool air temperatures (max 18°C on Mon morning, min 9°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Wed afternoon, min 10°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Thu night. Warm (max 23°C on Fri afternoon, min 9°C on Sat night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 25°C on Wed morning, min 12°C on Mon night). Wind will be generally light.

Fri
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wed
25
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
2:21PM6.06m
2:33AM6.59m
2:59PM6.16m
3:14AM6.68m
3:43PM6.29m
4:00AM6.75m
4:30PM6.44m
4:50AM6.79m
5:21PM6.60m
5:43AM6.79m
6:15PM6.76m
6:40AM6.76m
7:12PM6.92m
7:40AM6.73m
8:11PM7.07m
8:41AM6.71m
9:10PM7.19m
9:43AM6.71m
10:09PM7.29m
10:43AM6.72m
11:07PM7.36m
11:41AM6.73m
00:04AM7.37m
Low Tide
8:32PM1.62m
8:57AM1.10m
9:11PM1.52m
9:39AM0.99m
9:56PM1.39m
10:25AM0.89m
10:45PM1.26m
11:14AM0.82m
11:38PM1.13m
12:07PM0.79m
00:35AM0.99m
1:03PM0.79m
1:35AM0.85m
2:01PM0.81m
2:36AM0.70m
3:00PM0.84m
3:37AM0.57m
4:00PM0.85m
4:37AM0.46m
4:59PM0.86m
5:35AM0.39m
5:56PM0.86m
6:30AM0.36m
Wave
height (m) 
direction
period (s) 
0.1
N
2.0
0
E
2.0
0
E
1.0
0.2
SSW
2.0
0.1
S
2.0
0
E
2.0
0.1
SE
2.0
0.1
S
2.0
0
W
1.0
0.3
S
2.0
0.2
S
2.0
0.1
S
1.0
0.3
S
2.0
0.1
S
2.0
0.1
S
1.0
0.2
S
2.0
0.1
S
2.0
0
E
1.0
0.2
SSE
2.0
0.1
S
1.0
0
E
2.0
0.3
S
2.0
0.3
S
3.0
0.2
W
2.0
0.3
WNW
2.0
0.1
W
2.0
0.1
W
2.0
0
E
1.0
0.1
S
2.0
0
W
1.0
0.3
S
2.0
0.2
SSW
2.0
0.3
SSW
2.0
0.5
S
3.0
0.3
SSW
3.0
0.1
SW
2.0
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
light rain
part cloud
clear
rain showers
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
rain shwrs
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
light rain
some clouds
clear
rain shwrs
cloudy
cloudy
cloudy
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
15
NNW
5
ESE
5
E
15
SSW
5
SSW
5
SW
15
SSE
10
SSW
10
SSW
25
SSW
15
SSW
15
SSW
15
S
10
S
15
S
20
SSW
10
S
10
SSE
20
SSE
10
SSE
5
SSE
25
S
15
SSW
20
W
15
WNW
10
NW
10
W
0
NW
5
S
10
SSW
25
SSW
15
SSW
20
SSW
25
SSW
15
SSW
15
SSW
 mm 
1
2
1
max°C
17
15
16
16
12
15
17
13
18
18
12
20
20
16
18
23
18
18
20
14
19
23
17
15
17
13
11
16
14
22
24
15
21
22
17
25
Moonrise
11:44
12:15
12:40
1:01
1:20
1:39
1:59
2:21
2:49
3:25
4:13
5:15
Moonset
7:12
8:21
9:35
10:49
12:03
1:18
2:34
3:53
5:15
6:40
8:02
9:14
10:13
Sunrise
5:39
5:39
5:39
5:39
5:39
5:39
5:39
5:39
5:39
5:39
5:41
5:41
Sunset
9:15
9:15
9:15
9:16
9:16
9:16
9:17
9:17
9:17
9:17
9:19
9:19
Today's sea temperature in Long Island is 9.5 °C (Statistics for 13 Jun 1981-2005 – mean: 10.1 max: 11.5 min: 8.6°C)
Issued (local time): 2 pm Friday 13 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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