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 05:56 AM and sunset is at 07:29 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Cool air temperatures (max 15°C on Sat afternoon, min 5°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Mon afternoon, min 5°C on Sun morning). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 6mm), mostly falling on Wed morning. Very mild (max 13°C on Fri afternoon, min 4°C on Wed night). Winds decreasing (fresh winds from the NNE on Wed night, calm by Thu night).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 18°C on Mon afternoon, min 9°C on Sat morning). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
8:17AM2.56m
8:52PM2.37m
9:12AM2.54m
9:41PM2.44m
10:02AM2.54m
10:25PM2.53m
10:47AM2.54m
11:05PM2.61m
11:29AM2.54m
11:42PM2.68m
12:09PM2.54m
00:19AM2.75m
12:47PM2.54m
00:56AM2.80m
1:26PM2.53m
1:34AM2.84m
2:07PM2.51m
2:15AM2.87m
2:50PM2.49m
2:59AM2.88m
3:36PM2.47m
3:48AM2.88m
4:27PM2.45m
4:41AM2.86m
Low Tide
2:44PM0.34m
3:03AM0.45m
3:34PM0.35m
3:55AM0.39m
4:19PM0.34m
4:41AM0.32m
5:01PM0.35m
5:25AM0.24m
5:39PM0.36m
6:05AM0.18m
6:17PM0.37m
6:44AM0.12m
6:53PM0.38m
7:23AM0.09m
7:30PM0.40m
8:03AM0.07m
8:08PM0.41m
8:45AM0.07m
8:50PM0.42m
9:31AM0.09m
9:36PM0.43m
10:22AM0.10m
10:28PM0.43m
Wave
height (m) 
direction
period (s) 
0.5
E
12
0.6
E
12
0.5
E
11
0.5
E
11
0.8
SE
4
0.7
SE
5
0.5
SE
7
0.6
SE
7
0.5
SE
7
0.4
SE
7
0.4
SE
7
0.4
ESE
7
0.4
SE
7
0.5
E
12
0.5
ENE
4
0.4
ESE
11
0.4
ESE
11
0.6
SE
4
0.6
ESE
9
1.1
NE
4
1.4
NE
5
1.3
ENE
7
0.9
ENE
7
0.6
ENE
6
0.4
ENE
5
0.5
SE
4
0.4
SE
5
0.2
E
10
0.5
SE
3
0.4
SE
5
0.2
E
10
0.4
SE
4
0.4
SE
6
0.2
E
10
0.3
ESE
10
0.3
ESE
10
part cloud
part cloud
cloud
part cloud
part cloud
light rain
cloud
cloud
clear
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
cloud
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
some clouds
light rain
cloudy
cloudy
clear
clear
some clouds
clear
clear
some clouds
clear
clear
some clouds
cloudy
light rain
light rain
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
 km/h
20
E
15
E
10
ESE
15
SE
25
SSE
20
SSW
5
W
25
W
20
W
15
W
20
W
15
WSW
10
W
10
SSE
15
NNE
5
ENE
20
SE
20
SW
15
SSW
25
NNE
30
NNE
20
NNE
10
ESE
15
NNE
10
WSW
15
S
10
NW
5
SSE
20
SSE
5
W
5
SSE
20
SSE
5
WSW
5
E
15
SE
10
SW
 mm 
2.0
4
2.0
max°C
7
7
6
7
8
8
12
15
11
10
14
12
12
15
13
10
12
13
9
10
7
6
8
9
10
13
13
12
13
14
16
17
17
14
18
18
Moonrise
2:21
3:24
4:25
5:27
6:29
7:34
8:41
9:49
10:58
12:03
1:00
Moonset
3:59
4:20
4:38
4:55
5:12
5:30
5:52
6:17
6:49
7:29
8:20
9:23
Sunrise
5:56
5:54
5:52
5:50
5:48
5:48
5:46
5:45
5:43
5:41
5:41
5:39
Sunset
7:29
7:30
7:30
7:31
7:32
7:35
7:36
7:37
7:37
7:38
7:39
7:40
Today's sea temperature in Plum Island Sound (south end) is 7.0 °C (Statistics for 18 Apr 1981-2005 – mean: 5.6 max: 7.2 min: 4.1°C)
Nearest