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 07:30 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Sat night. Warm air temperatures (max 21°C on Sat night, min 6°C on Mon morning). Winds decreasing (fresh winds from the SSW on Fri night, light winds from the NE by Mon morning).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Mon night. Warm air temperatures (max 20°C on Tue afternoon, min 8°C on Mon afternoon). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 17mm), heaviest on Fri night. Very mild (max 16°C on Sat afternoon, min 5°C on Sun morning). Winds decreasing (fresh winds from the SSE on Fri afternoon, light winds from the NW by Sat afternoon).

Days 11–13 Weather Summary

Mostly dry. Very mild (max 15°C on Wed afternoon, min 5°C on Sun night). Wind will be generally light.

Fri
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wed
30
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
2:25PM0.63m
2:25AM0.83m
3:23PM0.62m
3:23AM0.80m
4:25PM0.65m
4:29AM0.80m
5:25PM0.69m
5:35AM0.80m
6:20PM0.77m
6:36AM0.83m
7:10PM0.87m
7:32AM0.86m
7:58PM0.97m
8:24AM0.88m
8:44PM1.06m
9:14AM0.90m
9:31PM1.14m
10:04AM0.90m
10:19PM1.19m
10:54AM0.89m
11:08PM1.19m
11:45AM0.86m
11:59PM1.17m
Low Tide
8:37PM0.28m
9:37AM0.15m
9:38PM0.29m
10:32AM0.16m
10:41PM0.28m
11:25AM0.14m
11:41PM0.23m
12:16PM0.12m
00:38AM0.16m
1:03PM0.08m
1:31AM0.07m
1:49PM0.04m
2:22AM-0.02m
2:33PM0.00m
3:12AM-0.09m
3:18PM-0.02m
4:02AM-0.14m
4:04PM-0.04m
4:53AM-0.16m
4:52PM-0.03m
5:45AM-0.15m
5:43PM0.00m
6:38AM-0.11m
Wave
height (m) 
direction
period (s) 
0.5
SSW
3
0.7
SSW
4
0.5
SW
3
0.5
SW
3
0.4
W
3
0.5
NW
3
0.4
NW
3
0.1
N
2
0
E
7
0.2
SSE
2
0.3
SSE
3
0.3
SW
2
0.3
WSW
2
0.1
SE
8
0.1
SE
8
0.2
S
2
0.1
SE
8
0.1
SE
9
0.4
SE
3
0.2
SSE
2
0.6
ESE
3
0.9
SE
4
0.4
SE
6
0.2
ESE
6
0.2
ESE
6
0.4
NNE
3
0.4
NE
3
0.4
SE
2
0.2
E
4
0.1
SE
7
0.4
SE
2
0.2
ESE
7
0.1
SE
7
0.3
S
2
0.3
SE
7
0.3
SSW
2
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
clear
clear
part cloud
part cloud
light rain
cloud
clear
clear
clear
clear
part cloud
clear
clear
cloud
cloud
light rain
rain showers
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
some clouds
some clouds
some clouds
some clouds
rain shwrs
some clouds
clear
clear
some clouds
some clouds
light rain
cloudy
clear
clear
clear
clear
some clouds
clear
clear
cloudy
cloudy
light rain
rain shwrs
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
 km/h
30
SSW
25
SW
30
SW
30
SW
20
W
25
NW
20
NW
15
NNW
10
SSE
15
S
20
SSE
15
WSW
20
WSW
10
N
10
WSW
20
SSW
10
NNW
5
SE
20
SSE
10
SE
25
SE
30
SSE
20
NW
15
NNW
15
NW
20
NNE
10
E
20
SE
5
SE
10
SE
20
SSE
10
S
10
SW
25
SSW
15
SW
20
SSW
 mm 
1
4
3
14
max°C
13
11
15
19
21
11
16
14
7
9
9
11
20
20
12
16
15
11
11
8
8
9
11
10
16
14
7
7
6
7
8
7
10
14
14
14
Moonrise
12:34
1:27
2:11
2:49
3:20
3:47
4:11
4:35
4:59
5:26
5:59
6:39
7:30
Moonset
9:03
10:01
11:07
12:17
1:30
2:44
3:59
5:16
6:36
7:58
9:22
10:43
11:54
Sunrise
6:03
6:01
6:01
5:58
5:58
5:56
5:54
5:52
5:52
5:50
5:48
5:48
Sunset
7:30
7:31
7:32
7:34
7:35
7:36
7:37
7:38
7:39
7:40
7:42
7:43
Today's sea temperature in Plum Gut Harbor, Plum Island, Long Island Sound is 6.5 °C (Statistics for 18 Apr 1981-2005 – mean: 6.8 max: 8.5 min: 5.1°C)
Issued (local time): 1 pm Friday 18 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest