Plum Island Sound (south end) Sea Conditions and Tide Table

Plum Island Sound (south end) 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 05:05 PM.

Days 1–4 Weather Summary

A light covering of new snow, mostly falling on Tue night. Icy conditions (max 2°C on Wed morning, min -15°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 2°C on Wed afternoon, min -8°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Sat afternoon, min -3°C on Mon morning). Wind will be generally light.

Days 11–13 Weather Summary

A dusting of snow giving way to moderate rain (total 19mm) heaviest on Fri morning. Freeze-thaw conditions (max 6°C on Wed morning, min -3°C on Wed night). Mainly fresh winds.

Sun
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
Saturday
21
Sunday
22
Monday
23
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
night
Wave Height Map
High Tide
4:14PM2.42m
4:36AM2.64m
5:06PM2.30m
5:27AM2.58m
6:01PM2.20m
6:21AM2.54m
6:57PM2.15m
7:17AM2.53m
7:53PM2.14m
8:11AM2.56m
8:46PM2.16m
9:02AM2.62m
9:35PM2.23m
9:48AM2.69m
10:19PM2.33m
10:32AM2.76m
11:01PM2.44m
11:15AM2.82m
11:41PM2.58m
11:57AM2.86m
00:22AM2.71m
12:40PM2.88m
1:04AM2.84m
1:25PM2.86m
1:47AM2.94m
2:12PM2.80m
2:34AM3.00m
3:03PM2.72m
Low Tide
10:27PM0.30m
11:05AM0.25m
11:17PM0.41m
12:00PM0.31m
00:11AM0.48m
12:56PM0.34m
1:05AM0.52m
1:53PM0.34m
1:59AM0.51m
2:46PM0.30m
2:51AM0.47m
3:35PM0.24m
3:39AM0.41m
4:20PM0.17m
4:24AM0.32m
5:01PM0.09m
5:08AM0.23m
5:40PM0.02m
5:51AM0.12m
6:19PM-0.03m
6:34AM0.02m
6:59PM-0.06m
7:19AM-0.06m
7:40PM-0.06m
8:07AM-0.12m
8:24PM-0.03m
8:59AM-0.13m
Wave
height (m) 
direction
period (s) 
1.2
E
11
1.2
E
10
1
E
10
0.9
E
10
0.6
E
10
0.5
E
11
0.5
E
10
0.8
SSE
5
0.7
WNW
3
0.6
NW
3
0.5
NNE
4
0.7
ENE
6
0.7
NE
6
0.4
NE
6
0.4
NE
6
0.4
NNW
3
0.5
NW
3
0.4
NW
3
0.3
NW
3
0.2
E
10
0.3
NE
4
0.2
E
10
0.2
E
10
0.2
E
9
0.2
E
9
0.1
E
9
0.2
E
9
0.3
ESE
8
0.9
ESE
11
0.9
ESE
10
0.9
ESE
10
1.1
E
11
1.1
E
11
1.1
E
12
1
E
12
1.2
E
12
1.9
E
7
1.9
E
8
1.3
E
8
1.1
E
8
0.9
WNW
4
1
NW
4
0.9
WNW
4
0.5
NW
3
1
NNW
4
0.9
NW
4
0.4
W
3
cloud
clear
clear
clear
part cloud
part cloud
light snow
snow showers
part cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
snow showers
part cloud
clear
clear
cloud
light snow
cloud
light snow
heavy rain
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
cloudy
clear
clear
clear
some clouds
some clouds
light snow
snow shwrs
some clouds
cloudy
some clouds
clear
some clouds
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
some clouds
snow shwrs
some clouds
clear
clear
cloudy
light snow
cloudy
light snow
heavy rain
rain shwrs
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
clear
 km/h
25
NW
20
NW
20
NW
25
NW
10
NW
10
W
15
S
20
S
30
WNW
25
WNW
20
WNW
15
NW
25
WNW
15
NW
15
NW
25
NW
20
NW
20
WNW
15
NW
10
NNW
5
NNW
5
S
10
WSW
10
NNW
5
NE
5
NNW
0
ESE
10
S
30
SSW
25
W
30
WNW
25
NW
20
NE
15
ENE
10
SSE
25
ESE
25
SE
25
SW
30
WSW
35
W
35
WNW
35
WNW
35
WNW
20
NW
35
NW
30
NW
20
WSW
 mm 
10
11
1
max°C
-10
-14
-6
-6
-8
-4
-2
1
2
2
-2
0
0
-5
-1
0
-3
-1
1
-2
-1
0
0
-1
1
1
1
1
2
6
6
1
-1
-1
2
3
5
9
9
4
-2
-4
-4
-7
-9
-7
-6
Moonrise
12:45
1:50
2:51
3:48
4:38
5:20
5:54
6:22
6:47
7:08
7:29
7:50
8:12
8:39
9:11
Moonset
10:03
10:36
11:16
12:05
1:03
2:08
3:17
4:28
5:39
6:50
8:02
9:15
10:30
11:48
Sunrise
6:48
6:46
6:45
6:43
6:41
6:41
6:39
6:37
6:37
6:35
6:33
6:31
6:31
6:28
6:28
Sunset
5:05
5:07
5:07
5:08
5:10
5:12
5:13
5:14
5:15
5:16
5:17
5:20
5:21
5:22
5:22
5:24
Today's sea temperature in Plum Island Sound (south end) is
3.6° C
(Statistics for 08 Feb 1981-2005 – mean: 3.6 max: 4.7 min: 2.2°C)
Issued (local time): 6 pm Sunday 08 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest