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 08:00 PM.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm air temperatures (max 29°C on Sun afternoon, min 17°C on Mon night). Mainly fresh winds.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Thu afternoon, min 18°C on Wed night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 5mm), mostly falling on Mon night. Warm (max 34°C on Mon afternoon, min 20°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the NE by Sun afternoon).

Days 11–13 Weather Summary

Mostly dry. Warm (max 23°C on Fri afternoon, min 19°C on Wed morning). Wind will be generally light.

Sun
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Fri
26
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
5:06PM1.02m
5:52AM1.34m
6:03PM0.99m
6:32AM1.40m
6:55PM0.98m
7:09AM1.45m
7:43PM0.98m
7:47AM1.50m
8:26PM1.00m
8:24AM1.54m
9:06PM1.01m
9:02AM1.56m
9:46PM1.01m
9:39AM1.57m
10:25PM1.02m
10:17AM1.57m
11:05PM1.02m
10:54AM1.55m
11:47PM1.03m
11:33AM1.51m
00:32AM1.06m
12:14PM1.45m
1:22AM1.10m
Low Tide
11:30AM0.51m
11:08PM0.37m
12:27PM0.45m
11:48PM0.39m
1:15PM0.38m
00:28AM0.40m
1:58PM0.31m
1:08AM0.41m
2:37PM0.26m
1:48AM0.40m
3:16PM0.22m
2:27AM0.40m
3:54PM0.19m
3:05AM0.39m
4:32PM0.18m
3:43AM0.40m
5:10PM0.18m
5:47PM0.18m
5:05AM0.44m
6:26PM0.18m
5:52AM0.48m
7:05PM0.18m
6:48AM0.51m
Wave
height (m) 
direction
period (s) 
1.1
E
8
2
SSE
6
2.2
S
10
1.7
S
9
1.7
S
11
1.9
S
10
1.7
S
12
1.6
S
12
1.4
S
12
1.4
S
12
1.4
S
11
1.1
S
11
1.3
ENE
5
1.4
ENE
6
1.1
ENE
6
1
ENE
6
0.9
S
15
1.3
SSE
6
1.3
SSE
6
1.1
SE
6
1
ESE
6
1.6
ENE
5
2
NE
7
1.6
NE
7
1.8
NE
7
1.3
NE
8
1.4
NE
8
1.5
S
6
1.7
SSE
6
1.8
SSE
7
1.5
SSE
7
1.4
SE
6
1.5
ESE
7
1.5
SE
7
1.9
ESE
8
1.8
ESE
9
part cloud
part cloud
cloud
part cloud
light rain
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
thunderstorm
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
some clouds
some clouds
cloudy
some clouds
light rain
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
some clouds
some clouds
some clouds
cloudy
risk tstorm
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
 km/h
10
NNE
20
SSE
15
E
20
ESE
15
ESE
15
E
10
E
10
ENE
15
NE
25
NE
10
NNE
15
NE
30
NE
20
SSE
15
SSE
15
SSE
10
SSE
15
ESE
20
E
5
NNW
15
NE
30
NE
15
NNE
15
N
10
NE
5
SSW
25
S
20
SE
20
SE
25
SSE
20
SE
15
SE
20
SE
20
SE
15
SSW
10
ENE
 mm 
2
5
max°C
29
24
18
19
18
18
19
19
20
21
20
24
25
22
22
23
22
22
22
22
26
25
23
29
34
24
21
21
20
20
20
20
20
21
20
22
Moonrise
2:10
2:37
3:07
3:43
4:24
5:12
6:06
7:05
8:06
9:08
10:10
11:12
Moonset
3:47
4:45
5:44
6:42
7:39
8:31
9:19
10:00
10:35
11:07
11:35
Sunrise
5:37
5:37
5:39
5:39
5:39
5:39
5:39
5:41
5:41
5:41
5:41
5:43
Sunset
8:00
8:00
8:00
8:01
8:02
8:02
8:04
8:04
8:05
8:05
8:06
8:06
Today's sea temperature in Dee Why is
22.5° C
(Statistics for 14 Dec 1981-2005 – mean: 21.7 max: 23.9 min: 20.1°C)
Issued (local time): 4 pm Sunday 14 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest