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 06:22 AM and sunset is at 07:24 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Sat afternoon, min 1°C on Thu morning). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Mon morning. Warm air temperatures (max 25°C on Tue night, min 6°C on Sun morning). Winds decreasing (fresh winds from the SW on Mon morning, light winds from the W by Tue night).

Days 7–9 Weather Summary

Mostly dry. Warm (max 27°C on Thu afternoon, min 10°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 14°C on Sun afternoon, min 4°C on Mon night). Wind will be generally light.

Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Fri
24
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
5:32PM1.64m
5:50AM1.75m
6:28PM1.67m
6:48AM1.76m
7:23PM1.73m
7:45AM1.79m
8:15PM1.82m
8:38AM1.84m
9:04PM1.92m
9:28AM1.89m
9:50PM2.02m
10:17AM1.93m
10:35PM2.11m
11:03AM1.96m
11:20PM2.18m
11:50AM1.97m
00:05AM2.22m
12:38PM1.95m
00:53AM2.22m
1:28PM1.91m
1:43AM2.18m
2:21PM1.86m
2:38AM2.10m
3:19PM1.80m
3:38AM2.01m
4:22PM1.76m
4:44AM1.92m
5:30PM1.74m
Low Tide
11:28AM0.32m
11:46PM0.45m
12:22PM0.34m
00:45AM0.43m
1:17PM0.32m
1:42AM0.36m
2:09PM0.26m
2:36AM0.25m
2:58PM0.18m
3:26AM0.11m
3:45PM0.09m
4:14AM-0.03m
4:29PM0.00m
5:01AM-0.15m
5:13PM-0.06m
5:47AM-0.24m
5:58PM-0.09m
6:35AM-0.28m
6:45PM-0.08m
7:24AM-0.27m
7:34PM-0.03m
8:16AM-0.20m
8:28PM0.06m
9:13AM-0.10m
9:28PM0.15m
10:14AM0.01m
10:35PM0.23m
11:20AM0.10m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
light rain
heavy rain
light rain
cloud
light rain
light rain
light rain
clear
clear
part cloud
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
some clouds
cloudy
light rain
heavy rain
light rain
cloudy
light rain
light rain
light rain
clear
clear
some clouds
 km/h
10
S
15
S
10
S
15
SW
20
SSW
20
SW
20
NNW
20
NNW
10
NNE
10
SE
20
S
30
SSW
30
SW
20
WSW
15
WSW
15
WSW
20
SW
10
W
5
S
20
SSE
15
SW
20
WSW
20
W
5
NNE
5
SSW
25
SW
15
N
15
N
5
S
10
W
15
NE
5
NNW
20
NE
15
E
15
SE
15
SSE
25
SE
25
SE
25
SSE
15
SSW
15
S
10
S
15
SSW
30
NW
15
WNW
25
WSW
30
SW
 mm 
3
2
17
5
2
1
1
max°C
4
5
5
8
11
13
10
14
12
8
10
10
13
23
23
20
24
25
22
21
20
23
27
25
20
22
23
9
12
10
10
14
13
7
8
5
8
8
10
11
14
12
13
18
16
13
19
Moonrise
2:11
2:51
3:25
3:53
4:18
4:41
5:04
5:27
5:54
6:25
7:04
7:52
8:53
10:02
11:17
12:31
Moonset
10:55
11:58
1:04
2:12
3:20
4:30
5:42
6:56
8:14
9:35
10:55
12:09
1:11
2:00
2:38
Sunrise
6:22
6:22
6:20
6:18
6:16
6:15
6:13
6:11
6:11
6:09
6:07
6:05
6:05
6:03
6:01
6:00
Sunset
7:24
7:25
7:27
7:28
7:29
7:30
7:30
7:31
7:32
7:34
7:36
7:37
7:37
7:38
7:39
7:40
Today's sea temperature in Smithtown is
5.6° C
(Statistics for 09 Apr 1981-2005 – mean: 5.9 max: 8.0 min: 4.1°C)
Issued (local time): 1 am Thursday 09 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest