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 06:20 AM and sunset is at 07:12 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Mon afternoon, min 17°C on Mon morning). Winds increasing (calm on Wed morning, strong winds from the SW by Wed night).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Thu afternoon, min 15°C on Sat morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 29°C on Tue afternoon, min 15°C on Tue night). Winds increasing (light winds from the S on Sun morning, fresh winds from the SW by Mon night).

Days 10–12 Weather Summary

Light rain (total 5mm), mostly falling on Fri night. Very mild (max 19°C on Fri afternoon, min 11°C on Wed night). Winds decreasing (fresh winds from the ENE on Wed night, light winds from the W by Fri afternoon).

Days 13–16 Weather Summary

Mostly dry. Warm (max 22°C on Tue afternoon, min 12°C on Sat night). Wind will be generally light.

Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tue
22
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
7:11AM0.77m
7:33PM1.00m
8:08AM0.84m
8:31PM1.00m
9:00AM0.91m
9:23PM1.00m
9:47AM0.97m
10:11PM0.98m
10:32AM1.01m
10:57PM0.95m
11:15AM1.03m
11:41PM0.91m
11:58AM1.03m
00:24AM0.85m
12:42PM1.01m
1:08AM0.79m
1:28PM0.97m
1:55AM0.74m
2:16PM0.92m
2:48AM0.69m
3:09PM0.87m
3:48AM0.66m
4:08PM0.83m
4:53AM0.65m
5:09PM0.81m
5:57AM0.67m
6:07PM0.81m
6:52AM0.71m
6:59PM0.83m
Low Tide
1:12PM0.14m
1:59AM0.07m
2:10PM0.09m
2:48AM0.04m
3:04PM0.04m
3:34AM0.03m
3:56PM0.00m
4:18AM0.03m
4:45PM-0.01m
5:01AM0.04m
5:33PM0.01m
5:45AM0.07m
6:22PM0.04m
6:28AM0.11m
7:11PM0.09m
7:14AM0.16m
8:02PM0.14m
8:04AM0.21m
8:56PM0.19m
8:57AM0.26m
9:52PM0.22m
9:55AM0.29m
10:50PM0.23m
10:55AM0.31m
11:45PM0.23m
11:54AM0.30m
00:37AM0.20m
12:47PM0.27m
Wave
Height (m)
Direction
Period (s)
0.4
NW
3
0.2
E
10
0.1
E
9
0.1
E
9
0.3
WSW
2
0.1
E
10
0.1
E
10
0.4
SSW
3
1
SSW
4
0.4
SW
3
0.4
SW
3
0.3
NNW
2
0.4
NNW
3
0.2
WNW
2
0.2
N
2
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
E
10
0.3
SSE
2
0.2
SSW
2
0.2
WSW
2
0.5
SSW
3
0.8
SSW
4
0.6
WSW
3
0.5
W
3
0.6
NNE
3
0.9
ENE
4
0.9
ENE
4
0.7
E
5
0.5
NE
3
0.4
ESE
7
0.4
E
8
0.4
NE
3
0.3
WSW
2
0.5
NNW
3
0.6
NNW
4
0.4
NNW
3
0.3
N
3
0.1
E
8
0.2
WSW
2
0.2
S
2
0.2
ESE
8
0.3
SSE
3
0.2
SSE
2
0.1
SE
8
0.3
SE
3
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
cloud
cloud
light rain
cloud
part cloud
clear
clear
clear
part cloud
part cloud
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
cloudy
cloudy
light rain
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
light rain
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
km/h
20
NNW
10
W
10
NW
15
NW
20
WSW
5
N
10
SSE
25
SSW
40
SW
20
WSW
25
SW
20
NNW
20
NW
15
WNW
10
NNE
5
ESE
10
SE
10
S
10
S
20
SSW
15
WSW
20
WSW
30
SSW
30
SW
30
WSW
25
NNW
25
NNE
30
ENE
30
ENE
25
NNE
20
NE
15
ESE
15
NNE
15
NNE
20
W
25
NNW
25
NNW
25
NNW
15
NNW
10
WNW
15
SW
15
SSW
15
S
20
S
10
SSW
10
SSE
20
SE
 mm
1
3
1
max °C
21
25
25
23
25
25
23
24
23
23
25
24
19
23
22
17
19
20
22
23
22
22
24
23
25
29
19
15
16
14
14
18
17
16
19
17
14
18
16
14
17
18
19
20
21
21
22
Moonrise
1:54
3:12
4:28
5:42
6:53
8:03
9:11
10:18
11:25
12:30
1:31
2:26
3:14
3:54
4:27
4:55
Moonset
5:24
5:57
6:24
6:48
7:10
7:32
7:56
8:22
8:52
9:28
10:10
11:01
11:57
12:59
2:04
Sunrise
6:20
6:20
6:22
6:22
6:24
6:24
6:26
6:26
6:28
6:28
6:30
6:31
6:31
6:33
6:33
6:35
Sunset
7:12
7:09
7:08
7:07
7:05
7:02
7:01
7:00
6:58
6:57
6:54
6:52
6:52
6:50
6:47
6:45
Today's sea temperature in Plum Gut Harbor, Plum Island, Long Island Sound is
21.6°C
(Statistics for 07 Sep 1981-2005 – mean: 20.4 max: 22.6 min: 18.4°C)
Issued (local time): 7 am Monday 07 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest