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 05:50 AM and sunset is at 07:43 PM.

Days 1–3 Weather Summary

Light rain (total 5mm), mostly falling on Wed night. Cool air temperatures (max 13°C on Fri afternoon, min 7°C on Wed morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Mon afternoon, min 7°C on Sat night). Winds increasing (calm on Sat morning, fresh winds from the SSW by Mon night).

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Thu night. Very mild (max 14°C on Tue afternoon, min 9°C on Thu night). Winds decreasing (strong winds from the SSW on Tue afternoon, calm by Tue night).

Days 10–12 Weather Summary

Some drizzle, heaviest during Sat afternoon. Very mild (max 15°C on Fri afternoon, min 8°C on Fri morning). Winds decreasing (fresh winds from the WNW on Fri afternoon, light winds from the W by Sat night).

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
High Tide
10:35AM0.68m
10:44PM0.85m
11:13AM0.67m
11:20PM0.87m
11:49AM0.66m
11:56PM0.87m
12:25PM0.65m
00:32AM0.85m
1:03PM0.63m
1:09AM0.84m
1:43PM0.62m
1:47AM0.80m
2:27PM0.61m
2:28AM0.77m
3:15PM0.59m
3:13AM0.74m
4:08PM0.59m
4:04AM0.70m
5:04PM0.60m
5:02AM0.68m
5:59PM0.63m
6:02AM0.67m
6:51PM0.68m
7:01AM0.68m
7:38PM0.74m
7:55AM0.69m
8:23PM0.81m
8:47AM0.71m
Low Tide
4:22PM0.09m
5:04AM0.02m
5:02PM0.09m
5:45AM0.02m
5:42PM0.10m
6:26AM0.03m
6:21PM0.12m
7:08AM0.05m
7:03PM0.15m
7:51AM0.07m
7:46PM0.18m
8:36AM0.09m
8:33PM0.21m
9:24AM0.12m
9:25PM0.25m
10:14AM0.13m
10:22PM0.27m
11:05AM0.15m
11:20PM0.27m
11:56AM0.15m
00:18AM0.24m
12:45PM0.15m
1:13AM0.20m
1:32PM0.13m
2:05AM0.14m
2:16PM0.11m
2:54AM0.08m
2:59PM0.08m
Wave
height (m) 
direction
period (s) 
0.6
ESE
11
0.5
ESE
10
0.7
ESE
10
0.7
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
9
0.6
SSE
9
0.5
SE
8
0.8
SE
8
1
S
6
1.4
S
7
1.6
S
8
1.1
S
8
0.9
S
8
0.7
S
7
0.6
S
6
0.6
SSE
6
0.9
SSE
6
1
SSE
7
0.8
SSE
8
0.8
SSE
8
0.5
S
7
0.4
SSE
7
0.5
SSE
7
0.4
SSE
6
0.5
S
6
0.5
W
3
0.4
SSE
6
0.4
SE
12
0.4
SE
12
0.3
SE
11
0.4
SE
11
0.5
E
3
0.6
E
4
0.5
E
4
0.5
E
5
0.3
ESE
4
0.3
SE
10
0.3
SE
10
clear
cloud
light rain
light rain
cloud
part cloud
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
light rain
cloud
light rain
cloud
part cloud
cloud
cloud
cloud
rain showers
clear
clear
clear
part cloud
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
cloudy
light rain
light rain
cloudy
some clouds
clear
clear
clear
some clouds
cloudy
clear
clear
clear
clear
clear
clear
some clouds
light rain
cloudy
light rain
cloudy
some clouds
cloudy
cloudy
cloudy
rain shwrs
clear
clear
clear
some clouds
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
clear
clear
clear
 km/h
10
E
15
S
10
SE
10
S
10
NW
15
NW
20
W
15
WNW
10
NW
0
SW
15
SSW
15
N
15
W
20
WNW
10
WNW
15
SW
30
SSW
30
SSW
40
SSW
40
SSW
20
SW
15
NNE
10
SSE
10
SE
15
S
20
S
30
WNW
25
W
30
WNW
10
W
15
W
25
WNW
15
W
25
WNW
25
WNW
20
NW
20
W
15
WNW
15
N
10
E
25
ESE
20
ENE
15
E
15
SE
10
NW
10
W
15
S
 mm 
3
2
1
5
4
1
max°C
10
10
9
9
10
11
10
13
12
9
12
11
8
11
11
12
13
12
12
14
13
10
11
12
13
13
14
11
15
14
12
12
12
11
15
14
10
15
13
10
11
9
9
10
10
14
17
Moonrise
6:02
7:06
8:10
9:14
10:16
11:13
12:03
12:45
1:21
1:51
2:16
2:39
3:01
3:24
3:48
Moonset
4:33
4:55
5:19
5:47
6:20
7:00
7:48
8:43
9:44
10:47
11:53
12:59
2:06
3:15
4:27
5:43
Sunrise
5:50
5:48
5:48
5:46
5:45
5:43
5:43
5:41
5:39
5:39
5:37
5:37
5:35
5:35
5:33
5:33
Sunset
7:43
7:45
7:45
7:46
7:47
7:49
7:50
7:51
7:52
7:52
7:53
7:54
7:55
7:57
7:58
7:59
Today's sea temperature in Southold, Long Island Sound is
8.1° C
(Statistics for 29 Apr 1981-2005 – mean: 8.3 max: 9.9 min: 6.3°C)
Issued (local time): 1 am Wednesday 29 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest