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 04:25 PM.

Days 1–4 Weather Summary

A moderate fall of snow, heaviest on Fri night. Icy conditions (max 5°C on Thu afternoon, min -7°C on Thu night). Winds increasing (light winds from the W on Wed night, strong winds from the NNW by Thu afternoon).

Days 5–7 Weather Summary

Heavy rain (total 23mm), heaviest during Sun night. Icy conditions (max 8°C on Mon afternoon, min -4°C on Sat night). Winds increasing (light winds from the NNW on Sat afternoon, strong winds from the W by Mon night).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Thu morning, min -2°C on Tue night). Winds decreasing (strong winds from the W on Tue afternoon, light winds from the W by Thu night).

Days 11–13 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Freeze-thaw conditions (max 6°C on Mon afternoon, min -8°C on Sat night). Winds decreasing (fresh winds from the NW on Fri night, light winds from the SW by Sun afternoon).

Wed
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
1:32PM0.72m
2:21AM0.63m
2:22PM0.68m
3:10AM0.66m
3:17PM0.64m
4:03AM0.69m
4:17PM0.61m
4:59AM0.74m
5:21PM0.58m
5:55AM0.80m
6:24PM0.57m
6:51AM0.85m
7:25PM0.58m
7:46AM0.91m
8:20PM0.59m
8:39AM0.93m
9:17PM0.61m
9:33AM0.95m
10:11PM0.64m
10:26AM0.94m
11:03PM0.67m
11:18AM0.91m
11:55PM0.69m
12:10PM0.86m
Low Tide
8:25PM0.03m
8:41AM0.14m
9:11PM0.05m
9:40AM0.13m
9:58PM0.06m
10:40AM0.10m
10:48PM0.06m
11:40AM0.06m
11:39PM0.05m
12:38PM0.02m
00:32AM0.04m
1:34PM-0.04m
1:25AM0.02m
2:28PM-0.09m
2:18AM-0.00m
3:19PM-0.12m
3:12AM-0.03m
4:10PM-0.14m
4:07AM-0.05m
5:01PM-0.15m
5:01AM-0.05m
5:50PM-0.14m
5:56AM-0.05m
Wave
height (m) 
direction
period (s) 
0.8
N
4
0.2
ESE
9
0.7
ESE
10
0.8
ESE
10
0.8
NNW
4
0.7
ESE
11
0.3
ESE
11
0.5
E
3
0.9
ENE
5
0.6
E
5
0.4
ESE
11
0.3
ESE
11
0.3
ESE
12
0.4
SE
12
1
S
7
1.1
S
8
1.1
S
8
1
W
4
1
W
4
0.8
WNW
4
0.6
W
3
0.5
W
3
0.8
SSW
6
0.6
S
6
0.6
S
6
0.5
S
6
0.5
S
6
0.7
NW
3
0.8
NNW
4
0.6
NW
3
0.6
NW
3
0.4
NNW
3
0.1
SE
10
0.1
SE
10
0.7
SSW
4
0.7
S
6
clear
part cloud
cloud
part cloud
clear
part cloud
cloud
heavy snow
cloud
part cloud
clear
part cloud
part cloud
heavy rain
mod rain
rain showers
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
light rain
cloud
clear
some clouds
cloudy
some clouds
clear
some clouds
cloudy
heavy snow
cloudy
some clouds
clear
some clouds
some clouds
heavy rain
mod rain
rain shwrs
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
clear
some clouds
some clouds
some clouds
clear
some clouds
cloudy
light rain
cloudy
 km/h
30
N
10
W
35
WSW
35
NW
30
NNW
20
N
10
E
25
E
30
NE
15
N
20
NW
15
NW
20
W
20
SW
20
SW
35
WSW
40
WNW
45
W
45
W
40
W
30
W
30
WSW
35
WSW
25
WSW
25
WSW
20
WSW
25
WNW
35
WNW
30
NW
30
NW
30
NW
20
NW
10
W
10
SW
30
SW
30
WSW
 mm 
12
6
5
3
max°C
4
2
4
5
-3
-5
-3
-3
-1
-1
-2
0
1
7
7
8
3
-1
0
-1
-1
0
2
3
3
2
1
0
-3
-6
-5
-7
-5
-1
4
5
Moonrise
10:42
11:04
11:25
11:48
12:15
12:48
1:30
2:24
3:31
4:47
6:06
Moonset
9:01
10:08
11:17
12:26
1:40
2:57
4:17
5:36
6:47
7:46
8:31
9:06
Sunrise
7:11
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
7:13
Sunset
4:25
4:25
4:27
4:27
4:28
4:29
4:30
4:30
4:31
4:31
4:32
4:34
Today's sea temperature in Southold, Long Island Sound is
6.0° C
(Statistics for 24 Dec 1981-2005 – mean: 8.1 max: 10.3 min: 6.4°C)
Issued (local time): 6 pm Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest