Smithtown Sea Conditions and Tide Table

Smithtown 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 07:15 AM and sunset is at 04:29 PM.

Days 1–3 Weather Summary

A moderate fall of snow, heaviest on Fri night. Icy conditions (max 6°C on Thu afternoon, min -7°C on Thu night). Winds decreasing (fresh winds from the NNW on Thu afternoon, calm by Fri afternoon).

Days 4–6 Weather Summary

Moderate rain (total 15mm), heaviest on Sun night. Icy conditions (max 8°C on Sun night, min -6°C on Sat night). Winds increasing (light winds from the N on Sat afternoon, strong winds from the W by Mon night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Wed morning, min -8°C on Wed night). Winds decreasing (strong winds from the W on Tue morning, calm by Thu night).

Days 10–12 Weather Summary

A dusting of snow turning to light rain (total 2mm) on Sun morning. Freeze-thaw conditions (max 4°C on Sun morning, min -8°C on Fri night). Wind will be generally light.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
1:53PM1.91m
2:25AM1.83m
2:39PM1.86m
3:11AM1.85m
3:30PM1.80m
4:02AM1.87m
4:25PM1.73m
4:56AM1.91m
5:25PM1.69m
5:55AM1.94m
6:28PM1.66m
6:55AM1.99m
7:31PM1.67m
7:54AM2.05m
8:32PM1.67m
8:54AM2.07m
9:32PM1.73m
9:51AM2.12m
10:29PM1.80m
10:47AM2.14m
11:22PM1.86m
11:40AM2.13m
00:14AM1.89m
Low Tide
7:51AM0.18m
8:19PM0.04m
8:37AM0.16m
9:02PM0.05m
9:29AM0.14m
9:50PM0.06m
10:25AM0.12m
10:42PM0.07m
11:26AM0.08m
11:39PM0.08m
12:28PM0.02m
00:39AM0.06m
1:30PM-0.05m
1:39AM0.03m
2:31PM-0.13m
2:40AM0.03m
3:30PM-0.16m
3:39AM-0.02m
4:26PM-0.22m
4:37AM-0.07m
5:19PM-0.25m
5:31AM-0.10m
6:10PM-0.25m
6:25AM-0.11m
Wave
height (m) 
direction
period (s) 
clear
clear
part cloud
part cloud
clear
clear
part cloud
light snow
heavy snow
part cloud
clear
clear
part cloud
cloud
heavy rain
light rain
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
clear
part cloud
light snow
light snow
clear
clear
part cloud
cloud
light rain
light rain
cloud
clear
clear
some clouds
some clouds
clear
clear
some clouds
light snow
heavy snow
some clouds
clear
clear
some clouds
cloudy
heavy rain
light rain
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
clear
some clouds
light snow
light snow
clear
clear
some clouds
cloudy
light rain
light rain
cloudy
 km/h
30
NW
25
NNW
10
W
30
WSW
30
NW
30
N
20
N
5
ESE
25
E
25
NE
15
NNE
15
NNW
15
W
15
W
15
SW
25
SW
35
W
40
W
40
W
35
W
25
W
35
WSW
35
W
25
NW
15
NW
15
NW
10
WNW
5
SW
15
WSW
20
NW
25
NNE
10
NE
10
ENE
20
SE
15
WSW
15
WSW
 mm 
12
3
1
1
max°C
5
2
2
4
6
-3
-5
-3
-2
-2
-2
-3
-2
0
8
7
5
0
-1
0
0
2
2
-5
-6
-5
-5
-4
-1
0
-6
-5
2
4
3
2
Moonrise
10:22
10:45
11:07
11:28
11:52
12:19
12:52
1:34
2:28
3:35
4:51
6:10
Moonset
9:05
10:12
11:20
12:29
1:43
3:00
4:20
5:38
6:50
7:48
8:34
Sunrise
7:15
7:15
7:15
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
Sunset
4:29
4:30
4:30
4:30
4:31
4:31
4:32
4:34
4:35
4:36
4:37
4:37
Today's sea temperature in Smithtown is
6.0° C
(Statistics for 24 Dec 1981-2005 – mean: 8.0 max: 10.3 min: 6.2°C)
Issued (local time): 6 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest