Southold, Long Island Sound Sea Conditions and Tide Table

Southold, Long Island Sound 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 06:33 AM and sunset is at 06:51 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Sun night. Warm air temperatures (max 20°C on Mon afternoon, min 12°C on Tue night). Winds increasing (light winds from the ENE on Mon afternoon, fresh winds from the NE by Tue night).

Days 4–6 Weather Summary

Heavy rain (total 25mm), heaviest during Fri afternoon. Cool air temperatures (max 17°C on Thu afternoon, min 11°C on Thu morning). Winds increasing (fresh winds from the NE on Wed night, gales from the NE by Fri night).

Days 7–9 Weather Summary

Heavy rain (total 22mm), heaviest during Sun afternoon. Very mild (max 15°C on Sat night, min 12°C on Sun afternoon). Winds decreasing (gales from the NE on Sat morning, moderate winds from the NE by Mon night).

Days 10–12 Weather Summary

Light rain (total 7mm), mostly falling on Tue afternoon. Warm (max 21°C on Wed afternoon, min 10°C on Thu night). Winds increasing (light winds from the NW on Tue night, fresh winds from the NNW by Thu night).

Days 13–16 Weather Summary

Mostly dry. Very mild (max 18°C on Mon night, min 10°C on Sun morning). Winds decreasing (fresh winds from the WNW on Fri night, light winds from the WNW by Sun afternoon).

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
7:13AM0.59m
7:23PM0.72m
8:08AM0.62m
8:15PM0.73m
8:53AM0.67m
9:01PM0.76m
9:32AM0.72m
9:43PM0.78m
10:08AM0.77m
10:23PM0.81m
10:43AM0.83m
11:02PM0.82m
11:19AM0.89m
11:41PM0.83m
11:57AM0.94m
00:22AM0.81m
12:36PM0.97m
1:05AM0.79m
1:19PM0.98m
1:52AM0.75m
2:07PM0.97m
2:44AM0.71m
3:00PM0.94m
3:43AM0.67m
4:02PM0.90m
4:51AM0.64m
5:12PM0.86m
6:05AM0.65m
6:26PM0.83m
Low Tide
1:11PM0.26m
1:54AM0.18m
2:04PM0.24m
2:40AM0.15m
2:53PM0.20m
3:23AM0.12m
3:38PM0.16m
4:02AM0.10m
4:20PM0.11m
4:40AM0.08m
5:02PM0.06m
5:17AM0.06m
5:44PM0.02m
5:54AM0.06m
6:28PM0.00m
6:32AM0.07m
7:14PM-0.00m
7:13AM0.08m
8:03PM0.01m
7:58AM0.11m
8:57PM0.03m
8:50AM0.14m
9:56PM0.06m
9:51AM0.18m
10:59PM0.09m
11:00AM0.20m
00:02AM0.11m
12:11PM0.19m
Wave
Height (m)
Direction
Period (s)
0.6
SE
4
0.6
SE
4
0.5
SSE
4
0.9
NE
4
0.7
E
4
0.9
E
4
1.2
E
5
1.3
E
5
1.4
E
6
1.7
ESE
8
1.7
ESE
10
1.7
ESE
11
1.8
SE
12
1.7
ESE
12
1.7
ESE
12
2
ESE
12
2.1
ESE
12
2.3
ESE
11
2.1
SE
11
2.1
SSE
10
1.9
ESE
7
2.2
ESE
9
2.3
ESE
10
2.1
ESE
10
1.7
E
6
1.6
ENE
6
1.2
ESE
10
0.9
SSE
7
0.7
SSE
7
0.5
ESE
10
0.4
ESE
10
0.5
ESE
9
0.5
S
5
0.4
ESE
8
0.5
SE
11
0.6
NNW
3
0.6
NNW
3
0.6
NW
3
0.6
WNW
3
0.6
NW
3
0.7
NNW
4
0.3
SE
10
0.3
SE
10
0.1
SE
10
0.3
SE
9
0.3
S
3
0.4
S
3
light rain
light rain
mod rain
part cloud
cloud
part cloud
cloud
light rain
cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
heavy rain
mod rain
light rain
light rain
cloud
light rain
heavy rain
light rain
cloud
cloud
cloud
cloud
light rain
rain showers
clear
clear
rain showers
light rain
cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
light rain
light rain
mod rain
some clouds
cloudy
some clouds
cloudy
light rain
cloudy
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
heavy rain
mod rain
light rain
light rain
cloudy
light rain
heavy rain
light rain
cloudy
cloudy
cloudy
cloudy
light rain
rain shwrs
clear
clear
rain shwrs
light rain
cloudy
some clouds
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
km/h
20
SSE
25
S
30
N
25
NE
15
ENE
25
ENE
30
NE
35
ENE
35
NE
40
NE
40
NE
35
NE
40
ENE
35
NE
35
NE
45
NE
55
NNE
65
NE
60
NE
50
NE
45
NE
55
ENE
60
ENE
50
ENE
45
NE
40
NE
30
NE
20
NE
15
NW
15
W
15
W
15
SW
15
WSW
20
NNW
30
NNW
25
NW
30
NW
35
NW
30
WNW
30
NW
30
NW
15
NW
15
NNW
10
SW
15
SSW
15
S
20
S
 mm
2
4
6
1
15
10
1
1
3
15
2
3
1
1
2
max °C
18
19
19
16
20
17
14
14
13
15
16
14
15
17
13
15
15
14
14
14
15
15
13
14
15
15
14
14
16
16
17
21
20
16
17
13
11
16
15
13
17
15
11
15
16
17
17
Moonrise
3:54
4:28
4:56
5:21
5:44
6:05
6:27
6:51
7:19
7:53
8:35
9:28
10:32
11:44
1:00
Moonset
1:01
2:05
3:11
4:17
5:24
6:32
7:42
8:55
10:11
11:28
12:41
1:47
2:41
3:24
3:59
Sunrise
6:33
6:35
6:35
6:37
6:37
6:39
6:39
6:41
6:41
6:43
6:43
6:45
6:46
6:47
6:48
6:48
Sunset
6:51
6:49
6:46
6:45
6:44
6:42
6:39
6:38
6:37
6:35
6:34
6:31
6:30
6:29
6:27
6:24
Today's sea temperature in Southold, Long Island Sound is
23.0°C
(Statistics for 20 Sep 1981-2005 – mean: 19.2 max: 20.9 min: 16.4°C)
Issued (local time): 7 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest