Montauk Harbor entrance, Long Island Sound Sea Conditions and Tide Table

Montauk Harbor entrance, Long Island Sound 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 07:09 AM and sunset is at 04:22 PM.

Days 1–3 Weather Summary

A dusting of snow giving way to moderate rain (total 11mm) heaviest on Tue afternoon. Icy conditions (max 6°C on Tue night, min -3°C on Mon morning). Mainly near gales.

Days 4–6 Weather Summary

A dusting of snow turning to light rain (total 5mm) on Sat night. Icy conditions (max 4°C on Thu morning, min -7°C on Fri morning). Winds decreasing (strong winds from the NNW on Thu night, light winds from the E by Fri afternoon).

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Sun morning. Freeze-thaw conditions (max 7°C on Sun morning, min -7°C on Tue morning). Winds increasing (moderate winds from the WNW on Sun morning, near gales from the WNW by Sun night).

Days 10–12 Weather Summary

Some drizzle, heaviest during Thu morning. Freeze-thaw conditions (max 6°C on Fri morning, min -2°C on Wed morning). Winds decreasing (fresh winds from the WSW on Thu morning, light winds from the W by Fri night).

Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
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
9:59AM0.65m
10:43PM0.49m
10:40AM0.62m
11:27PM0.51m
11:24AM0.60m
00:13AM0.52m
12:14PM0.57m
1:02AM0.55m
1:09PM0.53m
1:55AM0.58m
2:09PM0.50m
2:51AM0.62m
3:13PM0.48m
3:47AM0.66m
4:16PM0.48m
4:43AM0.71m
5:17PM0.48m
5:38AM0.75m
6:12PM0.49m
6:31AM0.77m
7:09PM0.51m
7:25AM0.79m
8:03PM0.53m
Low Tide
5:09PM-0.00m
5:08AM0.12m
5:51PM0.01m
5:58AM0.12m
6:36PM0.02m
6:52AM0.12m
7:22PM0.04m
7:51AM0.11m
8:09PM0.05m
8:51AM0.09m
8:59PM0.05m
9:51AM0.05m
9:50PM0.05m
10:49AM0.01m
10:43PM0.03m
11:45AM-0.03m
11:36PM0.01m
12:39PM-0.07m
00:29AM-0.00m
1:30PM-0.10m
1:23AM-0.02m
2:21PM-0.12m
2:18AM-0.04m
Wave
height (m) 
direction
period (s) 
1
NNW
4
0.6
ESE
9
0.7
WSW
4
0.6
SW
4
0.9
SSW
5
1
W
4
1.5
NNW
5
0.9
N
4
0.6
ESE
10
1.1
ESE
10
1.2
ESE
11
1.1
NNW
4
0.9
NNE
4
0.4
ESE
11
0.9
ENE
4
1.1
ENE
4
0.8
E
5
0.6
ESE
5
1.5
SSE
6
1.2
SSE
6
1.6
WNW
5
1.6
WNW
5
1.6
WNW
5
1.3
NW
5
1.1
NW
4
1.1
NW
4
0.9
NW
4
0.4
NW
3
0.5
W
3
0.5
SW
5
0.9
SSW
5
0.9
SSW
6
0.6
SSW
6
0.7
S
7
0.9
SSW
5
0.6
S
6
clear
part cloud
cloud
light snow
mod rain
rain showers
part cloud
clear
part cloud
cloud
part cloud
part cloud
part cloud
light snow
light snow
cloud
cloud
light snow
light rain
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
light rain
part cloud
part cloud
part cloud
clear
part cloud
clear
some clouds
cloudy
light snow
mod rain
rain shwrs
some clouds
clear
some clouds
cloudy
some clouds
some clouds
some clouds
light snow
light snow
cloudy
cloudy
light snow
light rain
some clouds
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
light rain
some clouds
some clouds
some clouds
clear
some clouds
 km/h
35
NW
25
W
30
W
25
SW
25
S
35
W
50
NW
25
NNE
15
WSW
40
WSW
35
W
30
NNW
30
N
15
E
35
NE
30
NE
25
ENE
25
SE
30
SSE
35
NW
55
WNW
50
WNW
50
WNW
45
NW
35
NW
40
NW
35
NW
20
W
25
W
20
WSW
35
SW
30
WSW
15
W
25
SW
30
WSW
15
WNW
 mm 
3
7
1
5
3
1
max°C
0
2
3
3
4
6
4
2
2
4
4
0
-6
-5
-3
-1
0
3
7
4
1
-2
-2
-5
-4
-3
-3
-1
0
3
5
4
5
6
6
5
Moonrise
9:20
9:51
10:17
10:40
11:02
11:23
11:47
12:13
12:46
1:28
2:22
3:29
Moonset
6:45
7:52
8:59
10:06
11:15
12:24
1:38
2:55
4:15
5:34
6:45
Sunrise
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
Sunset
4:22
4:22
4:23
4:23
4:24
4:25
4:25
4:27
4:28
4:29
4:30
4:30
Today's sea temperature in Montauk Harbor entrance, Long Island Sound is
7.1° C
(Statistics for 22 Dec 1981-2005 – mean: 8.5 max: 10.3 min: 6.6°C)
Issued (local time): 12 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest