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 — and sunset is at 08:04 PM.

Days 1–4 Weather Summary

Moderate rain (total 19mm), heaviest on Thu morning. Cool air temperatures (max 18°C on Mon afternoon, min 8°C on Mon night). Winds increasing (calm on Tue afternoon, strong winds from the NE by Thu morning).

Days 5–7 Weather Summary

Heavy rain (total 48mm), heaviest during Thu afternoon. Cool air temperatures (max 12°C on Sat afternoon, min 7°C on Fri morning). Winds decreasing (strong winds from the NE on Thu afternoon, light winds from the WNW by Sun morning).

Days 8–10 Weather Summary

Mostly dry. Warm (max 20°C on Mon afternoon, min 14°C on Sun afternoon). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 17mm), heaviest on Wed night. Warm (max 25°C on Sat afternoon, min 13°C on Thu morning). Winds decreasing (fresh winds from the ENE on Wed night, calm by Thu night).

Mon
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Sat
31
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
Wave Height Map
High Tide
5:10PM0.66m
5:14AM0.72m
6:07PM0.70m
6:19AM0.71m
7:02PM0.77m
7:22AM0.71m
7:54PM0.85m
8:20AM0.72m
8:45PM0.93m
9:15AM0.73m
9:35PM1.00m
10:09AM0.74m
10:25PM1.05m
11:01AM0.74m
11:15PM1.07m
11:52AM0.74m
00:06AM1.06m
12:45PM0.73m
00:58AM1.02m
1:39PM0.72m
1:52AM0.96m
2:36PM0.71m
2:49AM0.88m
Low Tide
11:13AM0.12m
11:31PM0.23m
12:04PM0.12m
00:32AM0.19m
12:54PM0.11m
1:31AM0.12m
1:42PM0.09m
2:26AM0.06m
2:31PM0.06m
3:19AM-0.01m
3:19PM0.04m
4:11AM-0.06m
4:07PM0.02m
5:02AM-0.09m
4:56PM0.02m
5:53AM-0.10m
5:47PM0.02m
6:45AM-0.09m
6:41PM0.04m
7:37AM-0.06m
7:37PM0.07m
8:30AM-0.02m
8:36PM0.11m
9:25AM0.03m
Wave
height (m) 
direction
period (s) 
0.6
NW
3
0.7
NNW
4
0.4
SE
7
0.2
SSE
7
0.6
E
4
0.8
E
4
0.9
E
4
1.3
E
6
1.8
ESE
7
1.8
ESE
9
1.4
ESE
8
0.8
ESE
9
0.4
ESE
10
0.3
ESE
9
0.3
ESE
9
0.3
S
6
0.4
NE
3
0.2
ESE
8
0.2
ESE
9
0.3
SSW
4
0.2
ESE
9
0.2
ESE
8
0.2
ESE
9
0.1
SE
9
0.4
SSW
3
0.4
SSW
4
0.4
SSE
3
0.5
SSE
4
1.5
SE
7
1.5
SSE
9
1.3
SSE
9
0.9
SSE
8
0.7
SE
8
0.8
SSE
8
0.7
SSE
8
0.6
SSE
7
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
heavy rain
heavy rain
heavy rain
light rain
cloud
light rain
light rain
cloud
light rain
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
cloud
light rain
heavy rain
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
light rain
heavy rain
heavy rain
heavy rain
light rain
cloudy
light rain
light rain
cloudy
light rain
clear
some clouds
some clouds
clear
some clouds
clear
clear
clear
some clouds
cloudy
light rain
heavy rain
cloudy
some clouds
clear
clear
clear
clear
clear
 km/h
30
NW
30
NNW
10
NNE
5
ESE
20
ENE
25
E
30
E
40
E
45
NE
40
NNE
40
N
15
N
10
NW
10
W
15
NW
15
WNW
15
N
5
WNW
20
SW
10
WNW
10
WNW
10
W
5
WSW
5
SW
25
SSW
15
SSW
15
SSE
20
E
35
ENE
25
NNE
20
NE
5
W
10
WSW
20
SSW
15
WSW
20
WSW
 mm 
5
14
20
16
4
3
1
4
5
12
max°C
18
15
12
14
13
11
11
11
10
9
9
8
9
10
11
12
10
12
16
16
17
20
19
19
20
17
17
16
14
14
17
17
18
21
19
22
Moonrise
1:22
1:49
2:14
2:36
3:00
3:25
3:54
4:30
5:16
6:13
7:20
8:34
9:47
Moonset
11:18
12:29
1:41
2:54
4:09
5:28
6:50
8:13
9:31
10:37
11:30
12:10
Sunrise
5:26
5:26
5:26
5:24
5:24
5:22
5:22
5:22
5:20
5:20
5:20
5:20
Sunset
8:04
8:05
8:06
8:07
8:07
8:07
8:08
8:09
8:10
8:12
8:13
8:13
Today's sea temperature in Southold, Long Island Sound is 12.6 °C (Statistics for 19 May 1981-2005 – mean: 11.4 max: 13.4 min: 9.5°C)
Issued (local time): 1 pm Monday 19 May 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest