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 05:37 AM and sunset is at 08:00 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm air temperatures (max 20°C on Wed morning, min 17°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 7mm), mostly falling on Sat night. Warm air temperatures (max 26°C on Sat afternoon, min 19°C on Thu morning). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Warm (max 36°C on Sun afternoon, min 19°C on Tue night). Mainly fresh winds.

Days 10–12 Weather Summary

Light rain (total 7mm), mostly falling on Fri night. Warm (max 24°C on Thu afternoon, min 18°C on Fri night). Mainly fresh winds.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
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
12:59PM1.37m
2:15AM1.16m
Low Tide
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
7:48PM0.19m
Wave
height (m) 
direction
period (s) 
2.1
S
10
1.8
S
9
1.7
S
11
1.8
S
10
1.7
S
12
1.5
S
12
1.4
S
12
1.4
S
12
1.4
S
11
1.1
S
11
1.4
NE
5
1.5
ENE
6
1.2
NE
7
1.1
S
5
0.9
S
15
0.7
S
13
0.8
S
12
1
ESE
6
0.9
ENE
6
0.9
ENE
6
1.9
SSE
6
1.7
SSE
8
1.6
S
9
1.2
SSE
8
0.9
ESE
7
0.9
S
9
2.3
S
7
1.6
S
8
1.4
S
8
1.1
SE
6
0.9
ESE
5
0.9
SSE
11
0.9
SSE
10
1
S
4
1.9
S
6
1.9
SSE
7
cloud
part cloud
light rain
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
thunderstorm
rain showers
cloud
cloud
thunderstorm
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
cloud
cloud
mod rain
cloudy
some clouds
light rain
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
risk tstorm
rain shwrs
cloudy
cloudy
risk tstorm
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
cloudy
cloudy
mod rain
 km/h
15
ESE
20
SE
15
ESE
15
E
10
E
10
NE
20
NE
25
NE
15
NNE
15
NE
25
NE
15
NE
25
S
15
SE
10
SSW
10
NE
15
NE
10
WNW
20
NW
25
ESE
20
S
10
ENE
20
ENE
10
WNW
0
NW
20
ENE
25
S
10
SE
25
E
5
SE
10
ENE
25
ENE
5
SE
25
SSW
25
SSE
25
S
 mm 
2
2
5
3
7
max°C
19
19
18
18
19
19
20
20
19
23
25
23
23
23
22
25
26
23
32
36
24
21
22
21
28
28
24
20
21
20
22
24
23
23
21
19
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
8:01
8:02
8:02
8:04
8:04
8:05
8:05
8:06
8:06
8:06
Today's sea temperature in Dee Why is
22.5° C
(Statistics for 15 Dec 1981-2005 – mean: 21.7 max: 23.9 min: 20.1°C)
Issued (local time): 4 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest