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 04:25 PM.

Days 1–4 Weather Summary

Light rain (total 5mm), mostly falling on Thu night. Icy conditions (max 13°C on Thu night, min -2°C on Fri night). Winds increasing (light winds from the W on Wed night, near gales from the S by Thu night).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 7°C on Sun morning, min -3°C on Sun night). Winds decreasing (fresh winds from the WNW on Sun night, light winds from the W by Mon night).

Days 8–10 Weather Summary

A dusting of snow turning to light rain (total 4mm) on Thu morning. Freeze-thaw conditions (max 4°C on Tue night, min -2°C on Wed night). Winds decreasing (fresh winds from the SW on Tue afternoon, calm by Thu afternoon).

Days 11–13 Weather Summary

Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 2°C on Fri afternoon, min -5°C on Sun night). Wind will be generally light.

Wed
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Mon
29
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
8:26PM0.79m
8:39AM1.11m
9:08PM0.80m
9:20AM1.12m
9:50PM0.81m
10:00AM1.13m
10:32PM0.82m
10:40AM1.12m
11:14PM0.83m
11:19AM1.10m
11:56PM0.85m
11:58AM1.07m
00:39AM0.87m
12:39PM1.04m
1:24AM0.90m
1:23PM1.00m
2:11AM0.94m
2:12PM0.95m
3:01AM1.00m
3:07PM0.92m
3:54AM1.06m
4:08PM0.88m
4:50AM1.12m
Low Tide
2:42PM0.24m
2:03AM0.27m
3:20PM0.22m
2:43AM0.27m
3:58PM0.21m
3:24AM0.26m
4:36PM0.20m
4:05AM0.27m
5:14PM0.20m
4:46AM0.28m
5:50PM0.20m
5:29AM0.30m
6:27PM0.19m
6:15AM0.31m
7:04PM0.19m
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
Wave
height (m) 
direction
period (s) 
clear
part cloud
clear
part cloud
rain showers
light rain
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
clear
part cloud
cloud
light snow
light rain
part cloud
part cloud
cloud
light rain
light rain
part cloud
clear
part cloud
cloud
light snow
light snow
clear
some clouds
clear
some clouds
rain shwrs
light rain
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
some clouds
clear
some clouds
cloudy
light snow
light rain
some clouds
some clouds
cloudy
light rain
light rain
some clouds
clear
some clouds
cloudy
light snow
light snow
 km/h
25
WSW
5
W
10
SSE
15
SE
30
S
35
S
40
WSW
35
WNW
25
WNW
15
WSW
30
SSW
25
WSW
35
W
35
WNW
35
NW
25
NW
10
WNW
15
SW
30
SW
25
W
25
NW
20
NNW
5
NNW
10
SSW
0
N
15
NNW
10
NE
10
NE
15
NE
10
E
15
WNW
25
WNW
15
NW
15
NW
10
N
15
E
 mm 
2
3
3
1
1
3
max°C
5
4
6
9
13
12
8
0
0
2
6
7
7
-1
0
0
-2
3
3
4
3
2
1
2
4
2
2
2
2
2
2
1
-2
-2
-4
-3
Moonrise
6:14
7:12
8:03
8:48
9:25
9:55
10:22
10:45
11:07
11:28
11:52
12:19
Moonset
3:01
3:48
4:44
5:45
6:51
7:58
9:05
10:12
11:20
12:30
1:43
Sunrise
7:11
7:11
7:13
7:13
7:13
7:13
7:15
7:15
7:15
7:16
7:16
7:16
Sunset
4:25
4:25
4:27
4:27
4:28
4:28
4:29
4:29
4:30
4:30
4:30
4:31
Today's sea temperature in Smithtown is
7.1° C
(Statistics for 17 Dec 1981-2005 – mean: 8.7 max: 11.8 min: 7.1°C)
Issued (local time): 6 pm Wednesday 17 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest