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 06:33 AM and sunset is at 04:31 PM.

Days 1–3 Weather Summary

Mostly dry. Low air temperatures (max 9°C on Wed afternoon, min 1°C on Fri night). Mainly fresh winds.

Days 4–6 Weather Summary

Light rain (total 7mm), mostly falling on Sat night. Cool air temperatures (max 14°C on Sat night, min 3°C on Sat morning). Winds increasing (light winds from the NW on Sat morning, strong winds from the W by Sun night).

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 8°C on Wed afternoon, min 4°C on Tue night). Mainly fresh winds.

Days 10–12 Weather Summary

Moderate rain (total 11mm), heaviest on Sat morning. Very mild (max 13°C on Sun afternoon, min 5°C on Fri morning). Winds increasing (light winds from the WSW on Fri night, fresh winds from the WNW by Mon morning).

Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
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
Wave Height Map
High Tide
3:43PM0.83m
4:32AM0.79m
4:54PM0.78m
5:33AM0.83m
5:57PM0.75m
6:23AM0.87m
6:49PM0.73m
7:05AM0.91m
7:32PM0.72m
7:42AM0.93m
8:09PM0.71m
8:17AM0.94m
8:44PM0.71m
8:50AM0.95m
9:19PM0.70m
9:24AM0.96m
9:56PM0.70m
9:58AM0.95m
10:34PM0.69m
10:34AM0.93m
11:15PM0.68m
11:11AM0.91m
11:58PM0.67m
Low Tide
9:26AM0.18m
10:02PM0.11m
10:33AM0.16m
10:58PM0.12m
11:34AM0.14m
11:48PM0.13m
12:28PM0.11m
00:33AM0.13m
1:16PM0.09m
1:15AM0.13m
1:59PM0.07m
1:55AM0.13m
2:40PM0.05m
2:34AM0.14m
3:20PM0.05m
3:12AM0.15m
4:00PM0.05m
3:52AM0.17m
4:41PM0.05m
4:32AM0.19m
5:23PM0.06m
5:15AM0.22m
6:08PM0.08m
6:02AM0.25m
Wave
height (m) 
direction
period (s) 
0.9
WSW
4
0.8
WSW
4
0.9
W
4
0.8
WNW
4
0.9
NW
4
0.8
NW
4
0.8
NW
4
0.8
NW
4
0.6
NNW
4
0.4
NW
3
0.4
WSW
3
0.8
SSW
4
1
W
4
1.2
NW
4
1.3
WNW
4
1.2
WNW
4
1.2
WNW
4
0.9
WNW
4
0.8
W
4
0.5
W
3
0.4
NW
3
0.2
NNW
2
0.3
NW
2
0.6
WNW
3
0.4
WNW
3
0.5
NW
3
0.7
NW
4
0.6
NW
3
0.5
NW
3
0
E
12
0.3
SW
2
0.6
SSW
3
0.4
WSW
3
0.1
E
11
0.4
W
2
0.7
WSW
4
cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
light rain
rain showers
clear
clear
part cloud
clear
part cloud
cloud
cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
light rain
light rain
rain showers
part cloud
part cloud
part cloud
cloudy
some clouds
some clouds
some clouds
cloudy
clear
clear
clear
clear
clear
some clouds
light rain
rain shwrs
clear
clear
some clouds
clear
some clouds
cloudy
cloudy
clear
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
clear
some clouds
light rain
light rain
rain shwrs
some clouds
some clouds
some clouds
 km/h
35
WSW
30
W
35
W
30
WNW
35
WNW
30
NW
30
NW
30
NW
25
NW
20
NW
20
WSW
35
SSW
45
WNW
40
WNW
45
W
45
W
40
WNW
30
W
30
W
20
W
20
NW
15
NW
20
NW
25
WNW
20
WNW
20
NW
25
NW
25
NW
20
NW
5
WSW
20
SSW
30
WSW
15
W
10
NNW
20
W
30
W
 mm 
5
2
4
4
3
max°C
8
9
8
8
8
5
6
6
3
6
9
14
13
8
6
7
7
5
6
7
6
7
8
6
8
8
6
8
8
9
10
10
10
12
13
11
Moonrise
11:58
1:03
2:05
3:07
4:09
5:11
6:14
7:17
8:18
9:14
10:04
Moonset
1:09
1:31
1:51
2:11
2:30
2:51
3:14
3:42
4:16
4:57
5:47
6:44
Sunrise
6:33
6:33
6:35
6:35
6:37
6:39
6:39
6:41
6:41
6:43
6:43
6:46
Sunset
4:31
4:30
4:30
4:29
4:28
4:28
4:27
4:25
4:24
4:24
4:23
4:23
Today's sea temperature in Plum Gut Harbor, Plum Island, Long Island Sound is
14.2° C
(Statistics for 12 Nov 1981-2005 – mean: 12.4 max: 14.4 min: 10.8°C)
Issued (local time): 6 am Wednesday 12 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest