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 06:58 AM and sunset is at 04:19 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 5°C on Tue afternoon, min -5°C on Mon morning). Winds decreasing (strong winds from the NNW on Sun night, calm by Mon night).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Cool air temperatures (max 10°C on Wed afternoon, min 1°C on Thu night). Winds decreasing (near gales from the SW on Wed afternoon, calm by Thu night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Mon afternoon, min -4°C on Sat night). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Mon afternoon).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Tue afternoon. Freeze-thaw conditions (max 8°C on Thu night, min -2°C on Tue afternoon). Winds decreasing (gales from the N on Tue afternoon, light winds from the WNW by Wed night).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
High Tide
10:16AM0.80m
10:58PM0.58m
11:12AM0.73m
11:57PM0.57m
12:11PM0.66m
00:58AM0.56m
1:14PM0.60m
2:01AM0.57m
2:19PM0.54m
3:04AM0.58m
3:25PM0.50m
4:02AM0.59m
4:27PM0.47m
4:54AM0.61m
5:21PM0.45m
5:39AM0.62m
6:08PM0.45m
6:19AM0.64m
6:49PM0.45m
6:56AM0.65m
7:27PM0.45m
7:32AM0.66m
Low Tide
5:13PM-0.08m
5:18AM0.02m
6:07PM-0.05m
6:20AM0.05m
7:02PM-0.01m
7:24AM0.08m
7:58PM0.03m
8:30AM0.09m
8:53PM0.05m
9:34AM0.09m
9:47PM0.07m
10:34AM0.09m
10:38PM0.09m
11:29AM0.07m
11:25PM0.09m
12:18PM0.06m
00:10AM0.09m
1:02PM0.04m
00:53AM0.09m
1:44PM0.03m
1:34AM0.09m
2:24PM0.01m
Wave
height (m) 
direction
period (s) 
0.6
SE
8
0.6
ESE
8
1.1
W
4
1.4
NNW
5
0.8
NNE
4
0.4
ESE
8
0.2
ESE
9
0.5
SSW
3
1.7
SSW
6
1.4
SSW
7
2.5
SSW
8
1.9
S
9
1.2
S
9
0.9
S
9
0.7
S
8
0.5
S
7
0.5
S
7
0.5
S
7
0.5
S
8
0.4
S
7
0.6
NNW
3
0.9
NW
4
1
NW
4
0.6
NW
3
0.3
SE
10
0.3
SE
10
1.1
NE
4
2
ENE
6
2.5
NE
6
2.4
ESE
11
1.4
ESE
12
1.3
ESE
12
0.9
ESE
12
0.5
ESE
11
0.9
ESE
11
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
rain showers
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light snow
light snow
light snow
part cloud
clear
clear
clear
clear
cloud
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
rain shwrs
clear
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
light snow
light snow
light snow
some clouds
clear
clear
clear
clear
cloudy
 km/h
10
NNW
15
SW
40
WNW
45
N
30
NNE
20
NNE
10
SSW
25
SSW
45
WSW
40
SSW
55
SW
45
WSW
25
NW
15
WNW
10
WNW
15
N
25
NW
20
NNW
15
WNW
15
WNW
30
NNW
35
NW
35
NW
25
WNW
10
W
5
SSW
40
ENE
55
NNE
65
NNE
55
N
40
NNW
35
NW
25
NW
20
SW
30
WSW
 mm 
2
max°C
3
4
4
-4
-3
-4
-1
5
7
9
10
9
3
3
2
2
3
0
-1
0
-2
-2
-1
-1
0
1
1
0
-1
0
2
2
0
3
6
Moonrise
7:15
8:31
9:43
10:51
11:56
12:58
2:00
3:02
4:04
5:07
6:09
Moonset
9:59
10:38
11:08
11:33
11:55
12:14
12:34
12:54
1:17
1:44
2:15
2:54
Sunrise
6:58
7:00
7:01
7:01
7:01
7:03
7:03
7:05
7:05
7:05
7:07
7:07
Sunset
4:19
4:19
4:19
4:19
4:19
4:19
4:19
4:19
4:20
4:20
4:20
4:21
Today's sea temperature in Montauk Harbor entrance, Long Island Sound is
9.9° C
(Statistics for 07 Dec 1981-2005 – mean: 10.0 max: 12.9 min: 8.6°C)
Issued (local time): 12 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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