Plum Gut Harbor, Plum Island, Long Island Sound Sea Conditions and Tide Table

Plum Gut Harbor, Plum Island, 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 06:48 AM and sunset is at 05:15 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 2°C on Tue night, min -6°C on Thu night). Winds increasing (light winds from the W on Tue morning, fresh winds from the W by Wed night).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 3°C on Sat afternoon, min -7°C on Sat night). Winds decreasing (fresh winds from the NW on Sat night, calm by Sun night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Tue night, min 0°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 9°C on Fri night, min -8°C on Sat night). Winds increasing (light winds from the NNE on Thu night, strong winds from the NW by Sat afternoon).

Tuesday
10
Wednesday
11
Thursday
12
Friday
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
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
High Tide
4:45PM0.51m
5:08AM0.73m
5:45PM0.52m
6:00AM0.75m
6:38PM0.55m
6:46AM0.77m
7:24PM0.59m
7:29AM0.80m
8:04PM0.64m
8:10AM0.84m
8:42PM0.69m
8:49AM0.86m
9:18PM0.75m
9:29AM0.88m
9:55PM0.80m
10:09AM0.88m
10:34PM0.85m
10:50AM0.86m
11:14PM0.89m
11:34AM0.82m
11:57PM0.91m
12:20PM0.76m
00:45AM0.92m
1:12PM0.69m
1:39AM0.92m
2:11PM0.63m
2:40AM0.90m
3:19PM0.59m
Low Tide
10:47AM0.12m
10:44PM0.15m
11:41AM0.10m
11:38PM0.15m
12:31PM0.07m
00:28AM0.13m
1:17PM0.03m
1:15AM0.11m
1:59PM-0.01m
2:00AM0.07m
2:39PM-0.04m
2:43AM0.03m
3:17PM-0.06m
3:25AM-0.01m
3:55PM-0.08m
4:08AM-0.04m
4:33PM-0.08m
4:53AM-0.05m
5:12PM-0.07m
5:41AM-0.06m
5:53PM-0.04m
6:32AM-0.05m
6:37PM-0.01m
7:28AM-0.03m
7:26PM0.03m
8:29AM-0.00m
8:24PM0.07m
9:34AM0.01m
Wave
height (m) 
direction
period (s) 
0.1
E
12
0.2
E
12
0.1
E
11
0.4
WNW
3
0.6
WNW
3
0.8
WNW
4
0.7
NW
4
0.4
NW
3
0.5
NW
3
0.2
NNW
2
0.3
WNW
2
0.5
W
3
0.6
W
3
0.4
WSW
3
0.8
NNW
4
0.2
NNW
2
0.1
W
2
0
E
13
0.1
S
1
0.1
W
1
0.1
E
10
0.1
E
10
0.1
E
9
0.2
ESE
8
0.1
E
10
0.1
E
9
0.1
E
9
0.1
E
8
0.2
ESE
8
0.1
SE
8
0.2
E
2
0.2
ESE
2
0.5
SW
3
0.9
W
4
1.4
WNW
5
1.1
NW
4
0.5
NW
3
0.6
WSW
3
0.2
WSW
2
0.3
WSW
2
0.3
WNW
3
0.7
NNW
4
0.8
NNW
4
0.7
NW
4
0.7
NNW
4
0.4
NW
3
0.4
NW
3
part cloud
cloud
light snow
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
some clouds
cloudy
light snow
clear
some clouds
clear
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
clear
clear
clear
cloudy
some clouds
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
 km/h
10
W
15
SW
10
SSW
20
W
30
WNW
35
W
30
NW
25
NW
20
NW
15
NW
20
WNW
20
W
25
W
20
W
30
NW
15
NNW
5
W
5
SW
10
S
10
W
10
NNW
0
SW
10
SW
10
WSW
5
WSW
10
SSW
10
SSW
15
NE
10
NNE
10
NNE
15
SE
15
SE
20
WSW
35
W
45
WNW
35
NW
20
WNW
25
WSW
15
WSW
20
WSW
25
NW
30
NW
30
NNW
30
NW
25
NNW
20
NW
25
NW
 mm 
max°C
-3
0
2
2
2
-1
0
0
-3
-1
0
0
2
3
0
-1
1
0
2
3
2
1
3
5
4
4
5
5
2
2
4
6
9
5
2
-5
-1
1
2
6
7
0
-2
-1
-7
-4
-1
Moonrise
1:50
2:51
3:47
4:37
5:19
5:55
6:24
6:50
7:13
7:35
7:57
8:21
8:49
9:23
10:05
10:59
Moonset
10:48
11:29
12:18
1:16
2:20
3:28
4:37
5:47
6:57
8:07
9:19
10:33
11:49
1:06
2:19
Sunrise
6:48
6:48
6:47
6:45
6:43
6:43
6:41
6:39
6:39
6:37
6:35
6:35
6:33
6:31
6:30
6:28
Sunset
5:15
5:17
5:19
5:20
5:21
5:22
5:23
5:24
5:25
5:27
5:29
5:30
5:30
5:31
5:32
5:35
Today's sea temperature in Plum Gut Harbor, Plum Island, Long Island Sound is
1.3° C
(Statistics for 10 Feb 1981-2005 – mean: 4.4 max: 6.0 min: 2.8°C)
Issued (local time): 12 pm Tuesday 10 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest