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 04:30 PM.

Days 1–3 Weather Summary

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

Days 4–6 Weather Summary

Moderate rain (total 19mm), heaviest on Sun night. Icy conditions (max 10°C on Mon morning, min -4°C on Sun morning). Winds increasing (light winds from the WNW on Sun morning, strong winds from the W by Mon afternoon).

Days 7–9 Weather Summary

A dusting of snow on Thu night. Freezing level rising with drizzle on Thu night. Freeze-thaw conditions (max 3°C on Thu night, min -8°C on Fri night). Winds decreasing (fresh winds from the WSW on Wed afternoon, light winds from the WSW by Thu afternoon).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Mon night, min -8°C on Sat morning). Wind will be generally light.

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
1:23PM1.00m
2:11AM0.94m
2:12PM0.95m
3:01AM1.00m
3:07PM0.92m
3:54AM1.06m
4:08PM0.88m
4:50AM1.12m
5:11PM0.87m
5:47AM1.19m
6:15PM0.87m
6:46AM1.25m
7:18PM0.88m
7:44AM1.31m
8:18PM0.91m
8:41AM1.34m
9:16PM0.94m
9:37AM1.35m
10:12PM0.97m
10:31AM1.32m
11:06PM1.00m
11:24AM1.27m
11:59PM1.02m
Low Tide
7:05AM0.32m
7:43PM0.19m
8:01AM0.32m
8:26PM0.18m
9:03AM0.30m
9:14PM0.18m
10:10AM0.27m
10:06PM0.17m
11:19AM0.22m
11:04PM0.16m
12:26PM0.17m
00:04AM0.15m
1:29PM0.11m
1:06AM0.12m
2:29PM0.06m
2:06AM0.10m
3:25PM0.03m
3:05AM0.09m
4:18PM0.02m
4:03AM0.09m
5:08PM0.03m
4:59AM0.10m
5:56PM0.05m
5:55AM0.14m
Wave
height (m) 
direction
period (s) 
cloud
clear
clear
cloud
light snow
mod snow
part cloud
clear
clear
part cloud
part cloud
heavy rain
cloud
rain showers
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
cloud
cloud
light snow
part cloud
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloudy
clear
clear
cloudy
light snow
mod snow
some clouds
clear
clear
some clouds
some clouds
heavy rain
cloudy
rain shwrs
some clouds
some clouds
clear
some clouds
clear
clear
some clouds
cloudy
cloudy
light snow
some clouds
clear
clear
clear
clear
clear
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
 km/h
30
WSW
30
NNW
30
NNW
15
N
10
ESE
20
E
25
NE
10
NNE
15
NW
10
WNW
10
WSW
20
S
20
SW
30
W
40
W
40
WNW
40
WNW
30
W
30
W
30
WSW
30
WNW
15
WNW
10
WNW
10
S
25
W
25
NNW
25
WNW
20
NW
20
NW
10
WNW
15
W
20
SW
25
SW
20
WSW
15
WSW
10
WSW
 mm 
18
1
1
max°C
6
5
-4
-4
-3
0
-2
-1
-2
-2
1
6
10
9
2
-2
-2
-1
1
2
0
-6
-6
3
1
-1
-6
-6
-4
-6
-2
-1
1
2
4
5
Moonrise
10:45
11:07
11:28
11:52
12:19
12:52
1:33
2:28
3:35
4:51
6:09
7:26
Moonset
10:12
11:20
12:30
1:43
3:00
4:20
5:39
6:50
7:49
8:34
9:10
Sunrise
7:15
7:15
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
Sunset
4:30
4:30
4:30
4:31
4:32
4:32
4:34
4:35
4:36
4:37
4:37
4:38
Today's sea temperature in Smithtown is
6.1° C
(Statistics for 25 Dec 1981-2005 – mean: 7.9 max: 10.3 min: 5.7°C)
Issued (local time): 12 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest