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 — and sunset is at 04:28 PM.

Days 1–4 Weather Summary

Light rain (total 8mm), mostly falling on Tue morning. Icy conditions (max 7°C on Tue night, min -2°C on Wed night). Winds decreasing (fresh winds from the NW on Tue night, light winds from the WSW by Wed night).

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Fri night. Turning milder with moderate rain (total 17mm), heaviest on Sat night. Icy conditions (max 7°C on Sat night, min -6°C on Thu night). Mainly fresh winds.

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 6°C on Sun afternoon, min -5°C on Mon afternoon). Winds decreasing (strong winds from the W on Mon morning, light winds from the WSW by Wed morning).

Days 11–13 Weather Summary

A dusting of snow on Wed afternoon. Freezing level rising with drizzle on Thu night. Freeze-thaw conditions (max 3°C on Thu night, min -9°C on Fri night). Winds increasing (light winds from the W on Wed night, strong winds from the WNW by Thu night).

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
1:02AM1.78m
1:11PM1.95m
1:42AM1.81m
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
Low Tide
7:00PM0.02m
7:08AM0.19m
7:38PM0.03m
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
Wave
height (m) 
direction
period (s) 
cloud
cloud
light rain
light rain
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
light snow
mod snow
cloud
cloud
heavy rain
rain showers
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
light snow
part cloud
part cloud
cloud
rain showers
clear
clear
part cloud
part cloud
cloudy
cloudy
light rain
light rain
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
light snow
mod snow
cloudy
cloudy
heavy rain
rain shwrs
some clouds
some clouds
cloudy
clear
clear
some clouds
some clouds
some clouds
some clouds
light snow
some clouds
some clouds
cloudy
rain shwrs
clear
clear
some clouds
some clouds
 km/h
20
W
20
WSW
15
SSW
15
WSW
20
W
35
NW
25
NNW
10
NW
25
WSW
25
W
30
N
20
N
10
ENE
25
ENE
20
ENE
15
ENE
15
SE
25
WSW
30
W
40
WNW
40
W
40
WNW
30
WNW
30
WNW
35
WNW
30
WNW
20
WSW
30
WSW
20
W
20
W
25
WSW
35
WSW
35
WNW
35
WNW
20
WNW
30
WNW
 mm 
5
3
11
6
1
max°C
2
3
3
3
7
4
2
0
3
4
2
-4
-3
-2
-1
1
7
6
6
1
-1
-2
-4
-1
-1
-3
-1
0
1
2
2
3
-5
-5
-5
-7
Moonrise
9:55
10:22
10:45
11:07
11:28
11:52
12:19
12:52
1:34
2:28
3:35
Moonset
6:50
7:57
9:05
10:12
11:20
12:29
1:43
3:00
4:20
5:38
6:50
7:48
Sunrise
7:13
7:15
7:15
7:15
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:16
Sunset
4:28
4:28
4:29
4:30
4:30
4:30
4:31
4:31
4:32
4:34
4:35
4:36
Today's sea temperature in Smithtown is
6.4° C
(Statistics for 22 Dec 1981-2005 – mean: 8.2 max: 10.3 min: 6.2°C)
Issued (local time): 6 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest