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 05:48 AM and sunset is at 07:43 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Thu morning. Cool air temperatures (max 13°C on Fri afternoon, min 7°C on Wed morning). Winds increasing (calm on Thu afternoon, fresh winds from the WSW by Fri afternoon).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Mon afternoon, min 6°C on Sat night). Winds increasing (calm on Sat morning, fresh winds from the SSW by Mon night).

Days 7–9 Weather Summary

Moderate rain (total 11mm), heaviest on Tue night. Very mild (max 13°C on Tue afternoon, min 9°C on Thu night). Winds decreasing (strong winds from the SSW on Tue afternoon, calm by Wed night).

Days 10–12 Weather Summary

Some drizzle, heaviest during Sat afternoon. Very mild (max 15°C on Fri afternoon, min 7°C on Sun night). Wind will be generally light.

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
9:19AM0.77m
9:28PM0.97m
9:57AM0.76m
10:04PM0.98m
10:33AM0.74m
10:40PM0.98m
11:09AM0.73m
11:16PM0.97m
11:47AM0.72m
11:53PM0.94m
12:27PM0.71m
00:31AM0.91m
1:11PM0.69m
1:12AM0.87m
1:59PM0.68m
1:57AM0.84m
2:52PM0.67m
2:48AM0.80m
3:48PM0.68m
3:46AM0.77m
4:43PM0.71m
4:46AM0.76m
5:35PM0.77m
5:45AM0.77m
6:22PM0.84m
6:39AM0.78m
7:07PM0.92m
7:31AM0.80m
7:52PM1.01m
Low Tide
3:05PM0.10m
3:47AM0.02m
3:45PM0.10m
4:28AM0.02m
4:25PM0.12m
5:09AM0.04m
5:04PM0.14m
5:51AM0.05m
5:46PM0.16m
6:34AM0.08m
6:29PM0.20m
7:19AM0.10m
7:16PM0.24m
8:07AM0.13m
8:08PM0.28m
8:57AM0.15m
9:05PM0.30m
9:48AM0.17m
10:03PM0.30m
10:39AM0.17m
11:01PM0.27m
11:28AM0.16m
11:56PM0.23m
12:15PM0.15m
00:48AM0.16m
12:59PM0.12m
1:37AM0.09m
1:42PM0.09m
Wave
height (m) 
direction
period (s) 
0.3
ESE
10
0.3
ESE
10
0.3
ESE
10
0.3
ESE
10
0.3
ESE
10
0.3
ESE
10
0.4
WNW
3
0.4
ESE
9
0.2
ESE
9
0.2
E
9
0.2
ESE
10
0.2
ESE
10
0.2
ESE
9
0.4
W
3
0.1
SE
9
0.2
ESE
9
0.6
S
3
0.8
SSW
4
1
S
4
1.1
S
4
0.5
SSW
3
0.2
ESE
6
0.2
ESE
2
0.2
E
9
0.3
SE
2
0.3
SSE
3
0.5
W
3
0.5
WNW
3
0.6
W
3
0.1
SE
8
0.3
W
3
0.5
W
3
0.2
W
2
0.3
WNW
2
0.5
WSW
3
0.3
NW
2
0.4
W
3
0.4
WSW
3
0.2
N
2
0.2
NNE
3
0.5
E
3
0.5
E
4
0.3
E
4
0.3
ESE
3
0.2
E
4
0.1
E
10
0.2
S
2
clear
cloud
light rain
light rain
cloud
part cloud
clear
part cloud
clear
part cloud
cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
rain showers
light rain
light rain
cloud
part cloud
cloud
cloud
cloud
rain showers
clear
part cloud
clear
part cloud
rain showers
clear
clear
part cloud
clear
clear
part cloud
clear
clear
cloud
clear
part cloud
part cloud
clear
clear
part cloud
clear
cloudy
light rain
light rain
cloudy
some clouds
clear
some clouds
clear
some clouds
cloudy
clear
some clouds
some clouds
clear
clear
clear
some clouds
rain shwrs
light rain
light rain
cloudy
some clouds
cloudy
cloudy
cloudy
rain shwrs
clear
some clouds
clear
some clouds
rain shwrs
clear
clear
some clouds
clear
clear
some clouds
clear
clear
cloudy
clear
some clouds
some clouds
clear
clear
some clouds
 km/h
10
SE
10
S
10
SE
10
S
10
NW
15
NW
25
W
20
W
10
NW
5
SSE
15
S
15
N
20
W
20
W
10
W
15
SW
30
SSW
35
SSW
35
SSW
40
SSW
25
SW
15
NNE
10
SSE
10
SSE
15
S
15
S
25
WNW
25
W
25
WNW
10
WNW
20
WSW
25
W
15
W
20
W
25
W
15
WNW
20
WSW
20
W
15
N
10
ESE
20
ESE
20
ENE
15
E
15
SE
10
NW
10
WSW
15
SSE
 mm 
1
2
1
1
5
4
1
max°C
10
10
9
9
10
11
10
13
11
8
11
10
9
11
11
11
13
12
12
13
12
11
11
12
13
13
13
11
15
14
11
11
12
11
15
13
10
15
13
11
10
9
10
9
9
14
16
Moonrise
6:01
7:05
8:10
9:14
10:15
11:12
12:02
12:45
1:20
1:50
2:16
2:39
3:01
3:23
3:47
Moonset
4:32
4:54
5:18
5:46
6:19
6:59
7:47
8:42
9:42
10:46
11:52
12:58
2:05
3:14
4:26
5:42
Sunrise
5:48
5:48
5:47
5:45
5:43
5:43
5:41
5:39
5:39
5:37
5:37
5:35
5:35
5:33
5:33
5:31
Sunset
7:43
7:44
7:45
7:45
7:46
7:47
7:49
7:50
7:51
7:52
7:52
7:53
7:54
7:55
7:57
7:58
Today's sea temperature in Plum Gut Harbor, Plum Island, Long Island Sound is
7.7° C
(Statistics for 29 Apr 1981-2005 – mean: 8.3 max: 9.8 min: 6.3°C)
Issued (local time): 1 am Wednesday 29 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest