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 — and sunset is at 04:22 PM.

Days 1–4 Weather Summary

A dusting of snow turning to light rain (total 8mm) on Tue afternoon. Icy conditions (max 5°C on Tue night, min -2°C on Wed night). Winds decreasing (strong winds from the NW on Wed morning, light winds from the NW by Wed night).

Days 5–7 Weather Summary

A dusting of snow giving way to moderate rain (total 14mm) heaviest on Sun morning. Icy conditions (max 8°C on Sun morning, min -6°C on Thu night). Winds decreasing (fresh winds from the NW on Thu afternoon, light winds from the ENE by Fri afternoon).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 6°C on Sun afternoon, min -6°C on Mon night). Winds decreasing (strong winds from the W on Sun night, moderate winds from the W by Wed morning).

Days 11–13 Weather Summary

Some drizzle, heaviest during Thu night. Freeze-thaw conditions (max 3°C on Thu night, min -9°C on Fri night). Winds increasing (light winds from the W on Wed night, strong winds from the WNW by Thu night).

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
Wave Height Map
High Tide
11:35PM0.68m
11:32AM0.85m
00:19AM0.69m
12:16PM0.82m
1:05AM0.71m
1:06PM0.77m
1:54AM0.74m
2:01PM0.73m
2:47AM0.79m
3:01PM0.69m
3:43AM0.84m
4:05PM0.66m
4:39AM0.91m
5:08PM0.65m
5:35AM0.97m
6:09PM0.66m
6:30AM1.03m
7:04PM0.67m
7:23AM1.05m
8:01PM0.69m
8:17AM1.07m
8:55PM0.73m
9:10AM1.07m
Low Tide
5:41PM-0.00m
5:40AM0.16m
6:23PM0.02m
6:30AM0.16m
7:08PM0.03m
7:24AM0.16m
7:54PM0.05m
8:23AM0.15m
8:41PM0.06m
9:23AM0.12m
9:31PM0.07m
10:23AM0.07m
10:22PM0.06m
11:21AM0.02m
11:15PM0.04m
12:17PM-0.04m
00:08AM0.02m
1:11PM-0.10m
1:01AM-0.01m
2:02PM-0.13m
1:55AM-0.03m
2:53PM-0.16m
2:50AM-0.05m
Wave
height (m) 
direction
period (s) 
0.4
WNW
3
0.7
W
4
0.4
SW
3
0.3
S
2
0.6
WNW
3
1.1
NW
4
0.9
NNW
4
0.2
N
3
0.4
ESE
9
0.8
W
4
0.8
NNW
4
0.4
N
3
0.2
E
11
0.6
E
3
0.8
ENE
4
0.4
E
3
0.4
SE
3
0.9
SE
5
0.7
W
4
1.2
W
4
1.4
W
5
1
WNW
4
1.1
NW
4
1
NW
4
0.9
NW
4
0.8
NW
4
0.6
W
3
0.7
SW
4
0.5
W
3
0.3
WNW
2
0.7
WSW
3
1.1
SW
4
1
NW
4
1.2
NW
4
0.6
NW
4
0.7
WNW
4
part cloud
cloud
light snow
mod rain
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
light snow
snow showers
part cloud
part cloud
mod rain
mod rain
part cloud
clear
cloud
clear
clear
clear
part cloud
clear
cloud
cloud
part cloud
clear
cloud
rain showers
part cloud
clear
part cloud
part cloud
some clouds
cloudy
light snow
mod rain
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
light snow
snow shwrs
some clouds
some clouds
mod rain
mod rain
some clouds
clear
cloudy
clear
clear
clear
some clouds
clear
cloudy
cloudy
some clouds
clear
cloudy
rain shwrs
some clouds
clear
some clouds
some clouds
 km/h
20
W
25
W
20
SW
20
SSW
25
W
40
NW
35
NNW
10
NW
30
SW
30
W
30
NNW
20
N
10
ENE
25
ENE
25
ENE
15
E
20
SE
30
SW
30
W
45
W
50
W
40
WNW
40
NW
35
NW
35
NW
30
WNW
25
W
35
WSW
20
W
20
W
30
WSW
40
W
35
NW
40
WNW
30
WNW
30
WNW
 mm 
2
6
8
6
1
max°C
2
4
3
4
5
3
2
-1
3
4
1
-5
-4
-4
-1
0
6
8
6
2
-1
-1
-4
-2
-1
-3
0
1
1
2
2
3
-5
-5
-7
-8
Moonrise
9:52
10:18
10:41
11:03
11:24
11:48
12:14
12:47
1:29
2:23
3:29
Moonset
6:46
7:53
9:00
10:08
11:16
12:26
1:39
2:57
4:17
5:36
6:47
7:45
Sunrise
7:11
7:11
7:11
7:11
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
Sunset
4:22
4:23
4:23
4:24
4:25
4:25
4:27
4:28
4:29
4:29
4:30
4:30
Today's sea temperature in Plum Gut Harbor, Plum Island, Long Island Sound is
6.5° C
(Statistics for 22 Dec 1981-2005 – mean: 8.3 max: 10.2 min: 6.5°C)
Issued (local time): 6 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest