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 06:39 AM and sunset is at 05:22 PM.

Days 1–3 Weather Summary

Moderate rain (total 18mm), heaviest on Thu afternoon. Warm air temperatures (max 26°C on Thu morning, min 25°C on Thu morning). Winds decreasing (fresh winds from the ESE on Thu morning, calm by Fri afternoon).

Days 4–6 Weather Summary

Moderate rain (total 15mm), heaviest on Sun morning. Warm air temperatures (max 25°C on Sun morning, min 24°C on Mon night). Winds increasing (light winds from the ENE on Sun morning, strong winds from the ENE by Mon night).

Days 7–9 Weather Summary

Some drizzle, heaviest during Thu night. Warm (max 25°C on Wed morning, min 23°C on Wed afternoon). Mainly strong winds.

Days 10–12 Weather Summary

Light rain (total 5mm), mostly falling on Mon afternoon. Warm (max 24°C on Sat morning, min 22°C on Mon morning). Mainly fresh winds.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
7:15AM1.04m
7:29PM0.86m
7:54AM1.05m
8:09PM0.87m
8:32AM1.06m
8:49PM0.87m
9:09AM1.06m
9:29PM0.87m
9:46AM1.06m
10:09PM0.88m
10:24AM1.05m
10:50PM0.89m
11:04AM1.02m
11:34PM0.90m
11:48AM0.99m
00:22AM0.92m
12:37PM0.96m
1:15AM0.95m
1:31PM0.92m
2:13AM0.98m
2:31PM0.89m
3:14AM1.02m
3:34PM0.87m
4:17AM1.06m
Low Tide
1:44PM0.27m
1:24AM0.23m
2:24PM0.26m
2:04AM0.23m
3:03PM0.25m
2:44AM0.23m
3:41PM0.25m
3:23AM0.24m
4:19PM0.24m
4:04AM0.25m
4:56PM0.24m
4:48AM0.26m
5:34PM0.23m
5:36AM0.27m
6:15PM0.23m
6:30AM0.28m
7:00PM0.22m
7:31AM0.28m
7:49PM0.20m
8:36AM0.27m
8:44PM0.18m
9:44AM0.25m
9:42PM0.16m
Wave
height (m) 
direction
period (s) 
0.4
E
3
0.3
ESE
3
0.3
ESE
2
0.2
ESE
2
0.1
S
2
0.1
NE
1
0.1
NE
2
0.2
ENE
2
0.3
ENE
2
0.3
ENE
2
0.2
ENE
2
0.3
E
3
0.4
ENE
3
0.4
ENE
3
0.6
ENE
4
0.6
E
4
0.5
E
3
0.5
ENE
3
0.4
ENE
3
0.5
ENE
3
0.5
ENE
3
0.4
ENE
3
0.4
ENE
3
0.4
ENE
3
0.4
ENE
3
0.4
ENE
3
0.4
ENE
3
0.3
ENE
2
0.2
ENE
2
0.4
ENE
3
0.4
ENE
3
0.4
NE
3
0.3
ENE
2
0.2
E
2
0.4
ENE
3
0.4
ENE
3
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
part cloud
part cloud
part cloud
clear
rain showers
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
clear
clear
clear
clear
risk tstorm
risk tstorm
clear
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
clear
some clouds
some clouds
some clouds
clear
rain shwrs
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
rain shwrs
rain shwrs
some clouds
 km/h
30
ESE
25
ESE
25
ESE
15
SSE
5
SW
10
NE
15
NE
20
NE
20
ENE
20
ENE
20
ENE
25
ENE
30
ENE
30
ENE
45
ENE
45
ENE
40
ENE
35
NE
35
NE
40
NE
40
ENE
35
ENE
30
ENE
25
ENE
35
ENE
30
ENE
30
ENE
25
NE
25
ENE
30
NE
30
NE
30
NE
25
ENE
20
ENE
35
ENE
35
ENE
 mm 
2
5
7
4
3
3
1
6
1
1
1
2
3
max°C
26
26
25
26
26
25
25
25
25
25
25
25
25
25
24
24
24
24
25
24
24
23
24
24
24
24
24
24
24
24
24
23
24
24
24
24
Moonrise
5:29
6:24
7:16
8:05
8:49
9:29
10:06
10:40
11:13
11:47
12:22
1:01
Moonset
4:09
4:59
5:53
6:50
7:47
8:43
9:39
10:35
11:31
12:28
1:29
Sunrise
6:39
6:39
6:39
6:39
6:41
6:41
6:41
6:41
6:41
6:43
6:43
6:43
Sunset
5:22
5:22
5:22
5:22
5:23
5:23
5:24
5:24
5:25
5:25
5:27
5:28
Today's sea temperature in Clarence Harbour, Long Island is
26.9° C
(Statistics for 18 Dec 1981-2005 – mean: 25.6 max: 26.9 min: 24.3°C)
Issued (local time): 6 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest