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 06:28 AM and sunset is at 07:06 PM.

Days 1–3 Weather Summary

Light rain (total 9mm), mostly falling on Fri morning. Cool air temperatures (max 10°C on Sun afternoon, min 2°C on Fri night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the WNW by Sun night).

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Tue night will be washed away by heavy rain (total 36mm) on Wed night. Low air temperatures (max 7°C on Mon afternoon, min 2°C on Tue night). Winds increasing (calm on Mon night, near gales from the NNE by Wed night).

Days 7–9 Weather Summary

A dusting of snow turning to light rain (total 3mm) on Thu afternoon. Mild temperatures (max 6°C on Fri morning, min 1°C on Thu morning). Winds decreasing (strong winds from the N on Fri afternoon, calm by Sat night).

Days 10–12 Weather Summary

Light rain (total 8mm) at first, then becoming colder with a dusting of snow on Wed morning. Warm (max 23°C on Tue afternoon, min 1°C on Wed morning). Winds increasing (light winds from the SW on Mon afternoon, fresh winds from the NNE by Wed morning).

Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
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
3:14PM2.49m
3:25AM2.76m
3:59PM2.43m
4:12AM2.76m
4:49PM2.37m
5:04AM2.75m
5:43PM2.34m
6:01AM2.75m
6:42PM2.34m
7:02AM2.77m
7:43PM2.41m
8:04AM2.83m
8:43PM2.54m
9:05AM2.90m
9:40PM2.72m
10:04AM2.98m
10:34PM2.91m
10:59AM3.04m
11:24PM3.10m
11:52AM3.06m
00:13AM3.24m
12:43PM3.04m
1:01AM3.31m
Low Tide
9:09AM0.12m
9:17PM0.38m
9:54AM0.14m
10:01PM0.42m
10:43AM0.17m
10:50PM0.46m
11:39AM0.20m
11:46PM0.47m
12:38PM0.20m
00:49AM0.45m
1:39PM0.16m
1:53AM0.36m
2:38PM0.09m
2:55AM0.23m
3:34PM-0.00m
3:54AM0.05m
4:27PM-0.09m
4:51AM-0.12m
5:17PM-0.16m
5:44AM-0.28m
6:05PM-0.19m
6:36AM-0.38m
6:53PM-0.18m
Wave
height (m) 
direction
period (s) 
1.3
ESE
10
1.3
ESE
11
1.3
ESE
10
1.2
ESE
11
0.8
ESE
11
0.7
ESE
11
0.6
ESE
11
0.7
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.3
ESE
9
0.5
E
9
0.8
ESE
4
1.8
E
6
3
E
8
4
E
10
3
E
11
2.4
E
10
1.7
E
10
2
NNE
6
2.3
ENE
8
2.2
ENE
9
2.1
ENE
9
1.6
ENE
9
1.1
E
9
0.9
E
10
0.7
E
10
0.6
E
9
0.5
E
9
0.4
ENE
10
0.4
E
11
0.4
E
12
0.6
SE
6
0.5
ENE
4
light rain
light rain
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
cloud
light rain
mod snow
light rain
mod rain
heavy rain
light snow
light snow
cloud
light rain
cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
thunderstorm
light rain
light rain
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
cloudy
light rain
mod snow
light rain
mod rain
heavy rain
light snow
light snow
cloudy
light rain
cloudy
some clouds
some clouds
cloudy
clear
clear
clear
clear
some clouds
clear
clear
some clouds
cloudy
risk tstorm
 km/h
30
NW
40
NW
40
WNW
40
WNW
25
NW
25
WNW
20
WNW
20
NNW
10
NNW
5
E
20
SE
5
S
10
ESE
15
SE
25
ESE
35
E
45
ENE
55
NNE
40
NW
30
NNW
30
NW
40
NNW
40
N
30
N
30
NNE
15
NE
10
WSW
10
WSW
10
WNW
10
NW
10
WSW
5
SW
15
SW
20
SW
30
WSW
20
NE
 mm 
5
4
1.0
4
7
24
2.0
1.0
8
max°C
4
6
6
5
9
7
7
10
9
5
7
7
6
5
2
3
4
3
2
2
3
6
6
5
3
5
5
8
17
15
15
21
20
20
23
18
Moonrise
11:58
1:06
2:09
3:04
3:49
4:26
4:55
5:21
5:44
6:07
6:32
Moonset
8:13
8:47
9:31
10:25
11:32
12:47
2:07
3:27
4:48
6:08
7:29
8:50
Sunrise
6:28
6:28
6:26
6:24
6:22
6:20
6:18
6:16
6:15
6:13
6:11
6:09
Sunset
7:06
7:07
7:07
7:08
7:09
7:12
7:13
7:14
7:15
7:15
7:16
7:17
Today's sea temperature in Plum Island Sound (south end) is 5.1 °C (Statistics for 29 Mar 1981-2005 – mean: 4.0 max: 5.4 min: 2.5°C)
Nearest