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 07:11 AM and sunset is at 04:25 PM.

Days 1–3 Weather Summary

A moderate fall of snow, heaviest on Fri night. Icy conditions (max 5°C on Thu morning, min -6°C on Thu night). Winds decreasing (strong winds from the NNW on Thu afternoon, light winds from the NNE by Fri morning).

Days 4–6 Weather Summary

Moderate rain (total 19mm), heaviest on Sun night. Icy conditions (max 9°C on Mon morning, min -3°C on Sun morning). Winds increasing (light winds from the WNW on Sun morning, near gales from the W by Mon night).

Days 7–9 Weather Summary

A dusting of snow turning to light rain (total 2mm) on Thu night. Freeze-thaw conditions (max 5°C on Thu night, min -9°C on Fri night). Winds decreasing (strong winds from the WSW on Wed afternoon, light winds from the SW by Thu night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Mon afternoon, min -8°C on Sat morning). Winds decreasing (fresh winds from the SW on Sun night, light winds from the NW by Tue morning).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
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
Wave Height Map
High Tide
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
00:48AM0.70m
Low Tide
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
6:39PM-0.11m
6:52AM-0.03m
Wave
height (m) 
direction
period (s) 
0.7
ESE
10
0.9
WNW
3
0.8
N
4
0.5
ESE
11
0.2
ESE
11
0.5
E
3
0.9
E
4
0.6
ESE
12
0.4
ESE
12
0.3
ESE
12
0.3
ESE
12
0.6
S
4
1
S
7
1.1
S
8
1.4
WNW
4
1.2
WNW
4
1.1
WNW
4
0.8
W
4
0.7
WSW
3
0.8
SSW
7
0.9
NW
4
0.3
SSW
6
0.2
ESE
13
0.1
SE
12
0.7
S
5
0.9
NNW
4
0.8
NNW
4
0.6
NW
4
0.5
NW
3
0.4
NW
3
0.1
SE
10
0.4
SW
3
0.8
SSW
6
0.8
S
7
0.6
S
6
0.3
S
6
part cloud
clear
clear
part cloud
light snow
mod snow
part cloud
part cloud
clear
part cloud
cloud
heavy rain
light rain
rain showers
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
cloud
cloud
light snow
light snow
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
some clouds
clear
clear
some clouds
light snow
mod snow
some clouds
some clouds
clear
some clouds
cloudy
heavy rain
light rain
rain shwrs
some clouds
some clouds
clear
some clouds
clear
clear
some clouds
cloudy
cloudy
light snow
light snow
clear
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
 km/h
35
WSW
40
NW
30
NNW
20
NNE
15
ESE
25
E
25
NE
15
N
15
NW
15
WNW
20
WSW
20
SSW
25
SW
35
W
60
W
50
WNW
55
WNW
40
W
35
W
40
WSW
35
WNW
15
WNW
15
W
15
SSE
25
WSW
40
NNW
35
NW
30
NW
30
NW
20
WNW
20
WSW
25
WSW
30
WSW
30
WSW
20
W
15
W
 mm 
16
1
2
2
max°C
5
5
-3
-4
-4
-2
-1
0
-1
-1
1
7
9
9
2
-2
-2
-1
1
2
1
-6
-5
5
2
-2
-7
-6
-5
-5
-2
0
2
2
3
3
Moonrise
10:42
11:04
11:25
11:48
12:15
12:48
1:30
2:24
3:31
4:47
6:06
7:23
Moonset
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
4:27
4:27
4:28
4:29
4:30
4:30
4:31
4:31
4:32
4:34
4:35
Today's sea temperature in Southold, Long Island Sound is
5.9° C
(Statistics for 25 Dec 1981-2005 – mean: 8.0 max: 10.3 min: 5.9°C)
Issued (local time): 12 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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