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 05:05 AM and sunset is at 08:19 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Very warm air temperatures (max 30°C on Tue afternoon, min 15°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Sat morning. Warm air temperatures (max 27°C on Sun afternoon, min 15°C on Fri morning). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 37mm), heaviest during Mon night. Very mild (max 15°C on Mon morning, min 12°C on Mon afternoon). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Sat night. Warm (max 28°C on Fri afternoon, min 15°C on Sat morning). Wind will be generally light.

Days 13–16 Weather Summary

Heavy rain (total 26mm), heaviest during Sun afternoon. Warm (max 25°C on Sun morning, min 16°C on Mon morning). Wind will be generally light.

Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wed
24
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
AM
PM
Wave Height Map
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High Tide
6:43AM2.59m
7:13PM2.74m
7:39AM2.57m
8:05PM2.87m
8:36AM2.58m
8:58PM3.01m
9:33AM2.60m
9:51PM3.14m
10:29AM2.65m
10:44PM3.25m
11:23AM2.69m
11:38PM3.34m
12:17PM2.74m
00:31AM3.38m
1:10PM2.78m
1:25AM3.37m
2:03PM2.81m
2:19AM3.31m
2:57PM2.83m
3:14AM3.20m
3:51PM2.83m
4:09AM3.05m
4:46PM2.83m
5:06AM2.89m
5:42PM2.83m
6:04AM2.72m
6:37PM2.82m
7:02AM2.58m
7:31PM2.80m
Low Tide
1:02PM0.27m
1:37AM0.27m
1:54PM0.27m
2:34AM0.14m
2:46PM0.25m
3:30AM0.00m
3:39PM0.21m
4:25AM-0.13m
4:32PM0.16m
5:19AM-0.23m
5:25PM0.10m
6:13AM-0.31m
6:19PM0.05m
7:06AM-0.34m
7:13PM0.02m
7:58AM-0.33m
8:08PM0.01m
8:51AM-0.29m
9:04PM0.03m
9:43AM-0.22m
10:02PM0.08m
10:37AM-0.12m
11:00PM0.12m
11:30AM-0.01m
11:59PM0.17m
12:23PM0.11m
00:58AM0.20m
1:17PM0.23m
Wave
Height (m)
Direction
Period (s)
0.3
ESE
7
0.2
ESE
7
0.4
SSE
5
0.3
SE
5
0.4
SSE
4
0.4
SSE
5
0.3
SE
5
0.3
SE
7
0.3
SE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
9
0.3
ESE
8
0.5
E
8
0.5
E
8
0.5
E
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
7
0.6
ESE
3
1.2
ESE
6
1.1
ESE
7
1
ESE
7
0.8
ESE
7
0.7
E
7
0.7
E
7
1
E
7
0.9
E
7
0.8
E
6
0.5
E
7
0.3
E
7
0.3
E
7
0.3
E
7
0.9
ESE
5
0.9
ESE
5
0.8
SE
5
0.6
ESE
5
0.6
ESE
6
0.6
E
9
0.7
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.5
E
10
0.5
E
10
0.4
E
9
0.4
E
9
clear
clear
clear
clear
part cloud
light rain
part cloud
cloud
light rain
cloud
part cloud
cloud
light rain
part cloud
clear
clear
clear
part cloud
cloud
mod rain
heavy rain
cloud
part cloud
part cloud
cloud
light rain
heavy rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
rain showers
rain showers
thunderstorm
mod rain
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
some clouds
light rain
some clouds
cloudy
light rain
cloudy
some clouds
cloudy
light rain
some clouds
clear
clear
clear
some clouds
cloudy
mod rain
heavy rain
cloudy
some clouds
some clouds
cloudy
light rain
heavy rain
light rain
some clouds
clear
clear
clear
clear
clear
clear
rain shwrs
rain shwrs
risk tstorm
mod rain
cloudy
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
km/h
15
W
10
W
15
SW
15
SW
20
WSW
15
SSW
10
WNW
15
E
10
NE
10
NE
10
ENE
0
SE
5
S
20
SE
15
WNW
25
WNW
15
NW
10
NE
15
ESE
20
SE
15
SE
15
NNE
15
ENE
5
ENE
5
E
15
SE
25
ESE
5
WSW
30
W
15
WSW
15
WNW
10
ESE
5
NNE
20
ESE
20
SE
15
S
10
SSW
5
WSW
10
NNE
15
NE
10
E
5
N
10
ENE
10
SSE
0
NW
10
E
15
SSE
1
1
3
7
13
1
16
1
2
1
15
10
max °C
25
30
28
27
30
22
26
22
19
15
16
16
19
22
22
23
27
24
15
12
14
14
15
14
15
15
14
19
23
20
25
28
26
15
16
19
25
25
20
16
18
19
17
20
22
20
21
Moonrise
1:18
1:39
2:03
2:33
3:10
3:59
5:03
6:18
7:39
9:00
10:16
11:28
12:36
1:42
2:47
3:52
Moonset
2:02
3:15
4:32
5:53
7:15
8:32
9:35
10:25
11:02
11:31
11:56
12:16
12:36
12:56
1:17
Sunrise
5:05
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:05
5:05
5:05
5:05
Sunset
8:19
8:20
8:20
8:21
8:21
8:22
8:22
8:22
8:22
8:22
8:23
8:23
8:23
8:23
8:24
8:24
Today's sea temperature in Plum Island Sound (south end) is
14.6° C
(Statistics for 09 Jun 1981-2005 – mean: 13.0 max: 15.4 min: 11.4°C)
Issued (local time): 1 am Tuesday 09 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest