Dee Why Sea Conditions and Tide Table

Dee Why 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 07:50 PM.

Days 1–4 Weather Summary

Light rain (total 5mm), mostly falling on Sun morning. Warm air temperatures (max 22°C on Thu afternoon, min 19°C on Thu night). Winds decreasing (fresh winds from the S on Thu afternoon, light winds from the E by Fri night).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Mon morning. Warm air temperatures (max 29°C on Wed morning, min 18°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Warm (max 31°C on Wed afternoon, min 21°C on Wed night). Winds increasing (calm on Thu night, fresh winds from the S by Fri night).

Days 11–13 Weather Summary

Moderate rain (total 10mm), heaviest on Sun night. Warm (max 26°C on Mon afternoon, min 20°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the S by Tue morning).

Thu
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
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
night
Wave Height Map
High Tide
6:08PM0.87m
6:14AM1.34m
7:03PM0.93m
7:02AM1.42m
7:46PM0.99m
7:43AM1.50m
8:24PM1.07m
8:21AM1.57m
9:00PM1.14m
8:58AM1.61m
9:36PM1.22m
9:35AM1.62m
10:12PM1.29m
10:13AM1.58m
10:49PM1.35m
10:52AM1.51m
11:28PM1.39m
11:35AM1.40m
00:11AM1.42m
12:22PM1.27m
00:59AM1.42m
1:18PM1.13m
1:56AM1.42m
2:29PM1.01m
3:04AM1.41m
3:56PM0.94m
4:19AM1.43m
5:24PM0.95m
5:32AM1.49m
Low Tide
12:26PM0.46m
11:23PM0.53m
1:15PM0.38m
00:21AM0.48m
1:55PM0.30m
1:10AM0.42m
2:30PM0.22m
1:53AM0.36m
3:03PM0.15m
2:34AM0.30m
3:36PM0.09m
3:16AM0.26m
4:08PM0.06m
3:58AM0.24m
4:40PM0.06m
4:42AM0.23m
5:14PM0.09m
5:30AM0.25m
5:51PM0.15m
6:23AM0.29m
6:31PM0.23m
7:25AM0.33m
7:17PM0.32m
8:39AM0.36m
8:14PM0.40m
10:04AM0.36m
9:26PM0.46m
11:27AM0.31m
10:46PM0.46m
Wave
height (m) 
direction
period (s) 
3
S
8
3
S
9
1.9
S
9
1.5
SSE
8
1.2
SSE
7
1.1
SE
7
1.1
SE
7
1.2
ESE
7
1.2
E
7
1.2
E
7
1.1
S
12
1.1
ESE
6
1.1
E
6
0.8
ESE
7
0.8
ESE
6
0.9
ESE
6
1.2
ENE
5
1
SE
8
1.1
SE
9
1.3
ENE
6
1.6
S
6
1.2
SE
9
0.9
SSE
8
1.1
E
7
1.2
ESE
8
1.8
SSE
6
1.5
SSE
6
1.2
SSE
6
1
SSE
6
1.2
SE
6
1.3
ESE
6
1.2
E
6
0.9
E
6
0.9
E
6
1.3
ENE
6
2.1
S
6
2.3
S
8
1.6
SSE
8
1.3
ESE
8
1.3
ESE
8
1.2
E
8
1
E
8
1.2
ENE
8
1.5
ENE
6
1.1
ENE
8
1.1
ENE
8
1.6
ENE
7
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
clear
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
thunderstorm
cloud
part cloud
part cloud
cloud
light rain
mod rain
clear
clear
clear
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
rain shwrs
clear
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
risk tstorm
cloudy
some clouds
some clouds
cloudy
light rain
mod rain
clear
clear
clear
cloudy
cloudy
some clouds
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
 km/h
35
SSE
20
SSE
15
SE
15
SE
10
E
20
E
20
E
15
E
15
ESE
20
ESE
10
SE
15
ESE
15
E
5
NW
10
NE
25
NE
10
N
5
WNW
25
NE
15
SSW
15
S
15
E
5
SSE
10
S
20
S
25
S
20
S
15
SSE
5
NNE
10
NNE
25
NE
10
NNE
10
NNE
20
NE
10
N
30
S
25
SSE
10
S
5
ENE
20
ENE
10
N
20
NE
25
NE
15
NNE
5
ENE
25
NE
10
N
 mm 
2
3
1
3
2
1
9
max°C
22
19
20
21
21
21
22
21
21
22
22
21
22
21
23
24
22
29
31
26
24
24
23
25
25
22
22
23
22
23
25
21
25
26
24
21
21
20
21
24
22
24
25
24
26
26
24
Moonrise
1:48
2:44
3:44
4:47
5:51
6:55
7:59
9:03
10:09
11:17
12:27
1:39
2:50
3:54
4:51
Moonset
4:17
5:08
5:54
6:34
7:09
7:40
8:09
8:36
9:03
9:33
10:06
10:44
11:30
12:26
1:29
Sunrise
6:26
6:28
6:28
6:30
6:31
6:31
6:33
6:33
6:35
6:35
6:37
6:37
6:37
6:39
6:39
Sunset
7:50
7:49
7:47
7:46
7:45
7:45
7:44
7:43
7:42
7:40
7:38
7:37
7:37
7:36
7:35
7:32
Today's sea temperature in Dee Why is
23.3° C
(Statistics for 12 Feb 1981-2005 – mean: 23.3 max: 24.9 min: 21.4°C)
Issued (local time): 4 pm Thursday 12 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest