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

Light rain (total 4mm), mostly falling on Tue morning. Icy conditions (max 5°C on Tue night, min -6°C on Thu night). Winds decreasing (strong winds from the NW on Wed morning, light winds from the W by Wed night).

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Fri night. Becoming milder with light rain (total 9mm) on Sun morning. Icy conditions (max 8°C on Sun afternoon, min -7°C on Fri morning). Winds increasing (light winds from the E on Sat night, gales from the WNW by Sun night).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max 0°C on Tue afternoon, min -4°C on Mon morning). Winds decreasing (near gales from the W on Mon afternoon, light winds from the W by Wed night).

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Thu afternoon. Freeze-thaw conditions (max 3°C on Thu morning, min -10°C on Thu night). Winds decreasing (near gales from the W on Fri afternoon, fresh winds from the NW by Sun morning).

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
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
Wave Height Map
High Tide
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
8:18AM0.78m
8:55PM0.55m
Low Tide
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
3:12PM-0.12m
3:12AM-0.05m
Wave
height (m) 
direction
period (s) 
0.5
SW
4
0.4
SSW
4
0.8
W
3
1.4
NW
5
1.2
NNW
5
0.3
ESE
10
0.9
ESE
10
1
ESE
10
1.1
NNW
4
0.9
N
4
0.4
ESE
11
0.8
E
4
1.1
E
5
1
E
5
0.7
ESE
12
0.5
ESE
12
1.3
SSE
5
1.5
W
4
1.6
W
5
1.6
W
5
1.7
W
5
1.5
WNW
5
1.3
WNW
4
0.9
WNW
4
0.7
W
4
0.6
W
3
0.5
SW
5
0.8
SW
4
1.6
SW
6
1.7
WNW
5
1.5
W
5
1.6
W
5
1.6
W
5
1.5
W
5
1.2
WNW
4
1.2
NW
4
light rain
light rain
rain showers
clear
clear
part cloud
cloud
part cloud
clear
part cloud
cloud
light snow
cloud
part cloud
part cloud
light rain
mod rain
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
cloud
rain showers
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
light rain
light rain
rain shwrs
clear
clear
some clouds
cloudy
some clouds
clear
some clouds
cloudy
light snow
cloudy
some clouds
some clouds
light rain
mod rain
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
some clouds
cloudy
rain shwrs
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
clear
 km/h
20
WSW
20
SW
35
WNW
50
NW
35
N
10
W
35
WSW
35
WNW
40
NNW
25
N
20
E
30
ENE
30
NE
25
NE
10
NE
20
S
40
S
50
W
50
W
55
W
50
W
45
WNW
45
WNW
35
WNW
30
W
25
W
20
W
35
SW
50
WSW
50
WNW
50
WNW
55
W
55
W
50
W
45
WNW
40
NW
 mm 
1
2
1
3
6
3
max°C
3
4
5
3
3
2
4
3
-1
-5
-3
-2
0
0
0
3
8
5
-3
-3
-2
-1
0
-2
-1
0
0
3
3
-4
-10
-9
-8
-5
-4
-7
Moonrise
9:51
10:17
10:40
11:02
11:23
11:47
12:13
12:46
1:28
2:22
3:29
4:45
Moonset
7:52
8:59
10:06
11:15
12:24
1:38
2:55
4:15
5:34
6:45
7:44
Sunrise
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
Sunset
4:22
4:23
4:23
4:24
4:25
4:25
4:27
4:28
4:29
4:30
4:30
4:30
Today's sea temperature in Montauk Harbor entrance, Long Island Sound is
7.0° C
(Statistics for 23 Dec 1981-2005 – mean: 8.3 max: 10.3 min: 6.6°C)
Issued (local time): 6 am Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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