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 06:15 AM and sunset is at 05:45 PM.

Days 1–3 Weather Summary

Light rain (total 6mm), mostly falling on Sun afternoon. Icy conditions (max 12°C on Sun morning, min -2°C on Fri morning). Winds decreasing (fresh winds from the NNE on Fri morning, calm by Fri night).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Wed morning. Cool air temperatures (max 15°C on Tue afternoon, min 5°C on Tue night). Winds increasing (calm on Tue afternoon, fresh winds from the SW by Wed night).

Days 7–9 Weather Summary

Light rain (total 4mm), mostly falling on Thu morning. Freeze-thaw conditions (max 11°C on Sat afternoon, min -3°C on Thu night). Winds decreasing (fresh winds from the NW on Thu night, light winds from the SSE by Fri night).

Days 10–12 Weather Summary

A dusting of snow turning to light rain (total 3mm) on Mon night. Freeze-thaw conditions (max 11°C on Mon night, min -6°C on Tue night). Winds increasing (calm on Sun morning, strong winds from the SSW by Mon night).

Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sat
21
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
11:42AM0.73m
00:02AM0.87m
12:24PM0.68m
00:46AM0.83m
1:09PM0.63m
1:32AM0.79m
1:59PM0.58m
2:24AM0.76m
2:58PM0.55m
3:20AM0.73m
4:03PM0.54m
4:20AM0.72m
5:07PM0.56m
5:18AM0.73m
6:02PM0.59m
6:10AM0.76m
6:48PM0.65m
6:57AM0.80m
7:29PM0.72m
7:40AM0.83m
8:07PM0.79m
8:22AM0.87m
8:44PM0.87m
9:04AM0.88m
9:23PM0.94m
9:46AM0.88m
10:03PM0.99m
10:29AM0.87m
Low Tide
5:50PM0.02m
6:30AM0.02m
6:35PM0.06m
7:20AM0.07m
7:22PM0.11m
8:14AM0.11m
8:14PM0.16m
9:09AM0.14m
9:11PM0.20m
10:07AM0.15m
10:10PM0.21m
11:03AM0.13m
11:07PM0.20m
11:54AM0.11m
00:00AM0.17m
12:40PM0.07m
00:49AM0.13m
1:23PM0.03m
1:34AM0.07m
2:03PM-0.00m
2:18AM0.01m
2:41PM-0.03m
3:01AM-0.04m
3:20PM-0.05m
3:45AM-0.09m
3:58PM-0.05m
4:32AM-0.11m
4:39PM-0.04m
Wave
height (m) 
direction
period (s) 
0.9
NE
4
0.7
NNE
4
0.3
ESE
8
0.3
ESE
9
0.3
ESE
9
0.4
ESE
9
0.3
ESE
9
0.3
ESE
9
0.2
ESE
10
0.2
E
10
0.2
E
9
0.1
E
9
0.2
ESE
8
0.1
E
8
0.1
SE
8
0.3
E
3
0.2
SSW
2
0.2
SSW
3
0.6
WNW
3
0.4
WNW
2
0.8
NNW
4
0.2
ENE
2
0.4
SE
3
0.4
ESE
4
0.2
ESE
5
0.3
W
2
0.3
SE
6
0.3
SE
8
0.2
ESE
8
0.2
ESE
7
0.5
SE
3
0.8
SE
4
1.6
SSW
5
0.9
WNW
4
0.7
NW
4
0.8
NW
4
0.5
NNW
3
0.2
ESE
8
0.4
SSW
3
0.8
S
4
0.5
SW
3
0.1
SE
9
0.1
SE
2
0.1
SE
9
0.3
WSW
2
0.2
W
2
0.6
E
3
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
light rain
cloud
light rain
rain showers
rain showers
part cloud
clear
part cloud
cloud
part cloud
cloud
cloud
light snow
part cloud
cloud
cloud
cloud
rain showers
part cloud
clear
clear
clear
clear
cloud
light snow
rain showers
light rain
part cloud
part cloud
part cloud
part cloud
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
light rain
light rain
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
light rain
cloudy
light rain
rain shwrs
rain shwrs
some clouds
clear
some clouds
cloudy
some clouds
cloudy
cloudy
light snow
some clouds
cloudy
cloudy
cloudy
rain shwrs
some clouds
clear
clear
clear
clear
cloudy
light snow
rain shwrs
light rain
some clouds
some clouds
some clouds
some clouds
light rain
 km/h
30
NNE
25
NNE
10
NE
15
SW
20
SSW
25
SW
15
SW
10
WSW
10
WSW
10
SSW
15
SSW
15
SW
15
WSW
10
SSW
15
ESE
10
SSE
15
SW
15
SW
35
NNW
35
WNW
25
NNW
15
E
20
SE
15
SE
15
W
10
WNW
20
N
10
NE
15
W
5
SSE
25
SE
30
SSE
50
SW
35
WNW
30
WNW
30
NW
25
NNW
15
W
25
SSW
30
SSW
20
WSW
5
W
10
SE
15
SW
15
W
10
W
25
E
 mm 
2
1
3
1
1
3
1
3
5
5
1
1
max°C
-2
-1
1
3
6
9
12
10
9
9
9
10
14
15
13
8
10
10
7
6
-2
-2
1
6
9
11
6
2
5
4
4
9
11
4
4
-3
-1
1
1
3
4
6
11
17
19
16
8
Moonrise
9:26
10:31
12:35
1:38
2:36
3:29
4:14
4:52
5:24
5:51
6:15
6:37
7:00
7:23
7:51
Moonset
7:24
7:47
9:14
9:45
10:23
11:09
12:03
1:03
2:09
3:18
4:27
5:38
6:49
8:02
9:17
Sunrise
6:15
6:13
7:11
6:09
6:07
6:07
6:05
6:03
6:01
6:00
5:58
5:56
5:54
5:52
5:52
5:50
Sunset
5:45
5:45
6:46
5:47
5:50
5:51
5:52
5:52
5:53
5:54
5:55
5:57
5:58
5:59
6:00
6:01
Today's sea temperature in Plum Gut Harbor, Plum Island, Long Island Sound is
1.6° C
(Statistics for 06 Mar 1981-2005 – mean: 4.1 max: 6.0 min: 2.9°C)
Issued (local time): 12 pm Friday 06 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest