Clarence Harbour, Long Island Sea Conditions and Tide Table

Clarence Harbour, Long Island 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 06:33 AM and sunset is at 05:17 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Tue morning. Warm air temperatures (max 26°C on Sun night, min 25°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Fri night. Warm air temperatures (max 26°C on Fri afternoon, min 25°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Sat night. Warm (max 26°C on Sat night, min 25°C on Sun morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 5mm), mostly falling on Fri night. Warm (max 25°C on Tue night, min 24°C on Thu night). Winds increasing (light winds from the NE on Thu afternoon, strong winds from the NE by Fri night).

Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
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
11:00AM1.15m
11:27PM0.95m
11:53AM1.08m
00:25AM0.94m
12:48PM1.01m
1:24AM0.93m
1:43PM0.94m
2:23AM0.93m
2:39PM0.89m
3:20AM0.94m
3:34PM0.86m
4:14AM0.96m
4:26PM0.84m
5:05AM0.98m
5:16PM0.84m
5:51AM1.01m
6:03PM0.84m
6:34AM1.03m
6:47PM0.85m
7:15AM1.04m
7:29PM0.86m
7:54AM1.05m
Low Tide
5:30PM0.17m
5:30AM0.18m
6:22PM0.20m
6:29AM0.23m
7:14PM0.22m
7:32AM0.27m
8:05PM0.24m
8:35AM0.30m
8:56PM0.26m
9:37AM0.32m
9:45PM0.27m
10:36AM0.32m
10:32PM0.27m
11:29AM0.31m
11:17PM0.26m
12:17PM0.30m
00:01AM0.25m
1:02PM0.28m
00:43AM0.24m
1:44PM0.27m
1:24AM0.23m
2:24PM0.26m
Wave
height (m) 
direction
period (s) 
0.1
S
2
0.1
SW
2
0
W
2
0.1
W
2
0.1
W
2
0
E
2
0.1
S
2
0.1
S
2
0.1
S
1
0
E
2
0
E
8
0.1
NE
2
0.3
ENE
2
0.3
E
2
0.3
E
2
0.2
E
2
0.2
E
2
0.2
E
2
0.2
E
2
0.1
E
2
0.3
ENE
2
0.3
ENE
2
0.3
ENE
2
0.3
E
3
0.2
E
2
0.1
E
2
0.1
N
1
0.3
NE
2
0.3
NE
2
0.2
ENE
2
0.2
E
2
0.1
E
2
0.1
N
1
0.2
N
2
0.3
NE
2
clear
clear
clear
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
light rain
thunderstorm
rain showers
clear
clear
clear
thunderstorm
clear
rain showers
clear
part cloud
thunderstorm
part cloud
part cloud
clear
clear
thunderstorm
clear
clear
clear
risk tstorm
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
risk tstorm
risk tstorm
some clouds
risk tstorm
light rain
risk tstorm
rain shwrs
clear
clear
clear
risk tstorm
clear
rain shwrs
clear
some clouds
risk tstorm
some clouds
some clouds
clear
clear
risk tstorm
 km/h
10
SW
10
W
10
WSW
10
NW
10
N
10
SE
10
S
10
SSW
10
SSE
5
SW
5
NNW
15
NE
20
ENE
25
ENE
25
E
15
ESE
15
ENE
20
E
20
E
15
ENE
25
ENE
25
ENE
25
ENE
25
E
15
ESE
5
E
10
NNW
20
NNE
20
NE
20
ENE
15
ENE
10
ENE
15
N
15
NNE
25
NE
 mm 
1
1
2
2
2
2
3
1
1
1
1
max°C
26
26
26
26
26
25
25
25
25
25
25
25
25
26
25
26
26
26
26
25
25
25
25
25
25
25
25
25
25
25
25
25
25
24
24
Moonrise
9:26
10:26
11:22
12:15
1:06
1:57
2:48
3:41
4:34
5:29
6:24
Moonset
10:13
10:55
11:31
12:03
12:34
1:04
1:35
2:08
2:44
3:24
4:09
4:59
Sunrise
6:33
6:33
6:33
6:33
6:35
6:35
6:35
6:37
6:37
6:37
6:39
6:39
Sunset
5:17
5:17
5:19
5:19
5:19
5:20
5:20
5:20
5:21
5:21
5:22
5:22
Today's sea temperature in Clarence Harbour, Long Island is
27.1° C
(Statistics for 08 Dec 1981-2005 – mean: 26.0 max: 27.4 min: 24.9°C)
Issued (local time): 12 am Monday 08 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest