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 08:21 PM.

Days 1–4 Weather Summary

Moderate rain (total 10mm), heaviest on Fri afternoon. Warm air temperatures (max 29°C on Sun afternoon, min 18°C on Fri night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Tue afternoon, min 15°C on Mon night). Mainly fresh winds.

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Warm (max 25°C on Sat afternoon, min 15°C on Fri night). Winds decreasing (fresh winds from the S on Thu afternoon, light winds from the NW by Fri afternoon).

Days 11–13 Weather Summary

Mostly dry. Warm (max 24°C on Sun afternoon, min 15°C on Tue morning). Wind will be generally light.

Days 14–17 Weather Summary

Heavy rain (total 81mm), heaviest during Thu afternoon. Warm (max 25°C on Sat afternoon, min 15°C on Fri night). Wind will be generally light.

Fri
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
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
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High Tide
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
8:00AM2.47m
8:23PM2.78m
8:56AM2.40m
9:13PM2.77m
9:48AM2.35m
Low Tide
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
1:56AM0.22m
2:09PM0.33m
2:52AM0.23m
3:01PM0.41m
3:45AM0.23m
3:50PM0.46m
Wave
Height (m)
Direction
Period (s)
0.4
ESE
8
0.4
ESE
8
0.4
ESE
7
0.4
ESE
8
0.4
ESE
8
0.3
ESE
8
0.7
SSE
4
0.5
SE
5
0.3
ESE
8
0.4
E
8
0.4
ESE
7
0.4
E
7
0.5
E
7
0.4
E
7
0.3
E
6
0.9
SSE
4
0.5
SE
5
0.6
SSE
3
1.1
SSE
5
0.7
SE
6
0.5
SE
6
0.4
ESE
6
0.4
ESE
6
0.4
ESE
6
0.4
ESE
7
0.4
E
7
0.3
E
7
0.5
WSW
3
0.2
ESE
7
0.2
E
7
0.4
ESE
7
0.4
SE
4
0.8
NE
5
0.6
ENE
4
0.3
ENE
4
0.2
ESE
6
0.4
SE
2
0.3
SE
5
0.3
ESE
7
0.7
SE
4
0.5
SE
6
0.6
ESE
7
0.6
ESE
7
0.6
ESE
7
0.7
ESE
8
0.7
ESE
7
0.5
ESE
7
thunderstorm
rain showers
clear
clear
clear
part cloud
cloud
light rain
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
rain showers
clear
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
part cloud
cloud
rain showers
light rain
heavy rain
heavy rain
rain showers
rain showers
thunderstorm
clear
part cloud
part cloud
risk tstorm
rain shwrs
clear
clear
clear
some clouds
cloudy
light rain
clear
some clouds
clear
clear
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
rain shwrs
clear
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
clear
some clouds
clear
some clouds
cloudy
rain shwrs
light rain
heavy rain
heavy rain
rain shwrs
rain shwrs
risk tstorm
clear
some clouds
some clouds
km/h
5
ESE
20
WNW
10
N
0
N
15
WNW
15
S
25
S
10
SSW
10
WNW
10
E
10
WNW
10
WSW
15
SSW
10
SW
10
SSE
35
S
15
SSW
25
S
35
S
20
W
15
NW
20
NW
15
WNW
15
WNW
20
WNW
15
WSW
20
W
25
WSW
10
WNW
5
E
20
SE
20
NNE
20
NE
15
SSE
10
NW
5
WNW
15
SSE
10
SW
15
S
15
W
10
ENE
10
NE
5
SE
15
W
15
WNW
5
SSW
15
NW
6
3
1
2
1
1
46
29
1
1
2
max °C
24
22
24
27
25
27
29
25
23
21
20
22
25
22
22
25
22
21
23
22
21
24
22
22
25
24
22
24
21
20
21
19
15
18
17
22
23
23
21
19
17
17
18
18
22
25
23
Moonrise
3:10
3:59
5:03
6:18
7:39
9:00
10:16
11:28
12:36
1:42
2:47
3:52
4:57
6:01
7:01
Moonset
5:53
7:15
8:32
9:35
10:25
11:02
11:31
11:56
12:16
12:36
12:56
1:17
1:41
2:10
2:44
Sunrise
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:03
5:05
5:05
5:05
5:05
5:05
5:05
5:05
Sunset
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
8:24
8:24
8:24
Today's sea temperature in Plum Island Sound (south end) is
15.4° C
(Statistics for 12 Jun 1981-2005 – mean: 13.7 max: 15.6 min: 12.2°C)
Issued (local time): 1 pm Friday 12 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest