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 06:52 AM and sunset is at 07:13 PM.

Days 1–3 Weather Summary

Light rain (total 6mm), mostly falling on Tue night. Warm air temperatures (max 29°C on Tue afternoon, min 18°C on Sun morning). Mainly fresh winds.

Days 4–6 Weather Summary

Light rain (total 9mm), mostly falling on Wed morning. Warm air temperatures (max 23°C on Thu afternoon, min 18°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 24°C on Mon afternoon, min 17°C on Sat morning). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 22mm), heaviest during Tue afternoon. Very mild (max 19°C on Tue morning, min 15°C on Thu morning). Winds decreasing (strong winds from the SSW on Tue night, light winds from the WNW by Fri morning).

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
Saturday
28
Sunday
29
Mon
30
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
AM
PM
Wave Height Map
High Tide
6:24AM1.38m
7:14PM1.07m
7:08AM1.45m
7:51PM1.17m
7:49AM1.51m
8:27PM1.28m
8:29AM1.54m
9:03PM1.39m
9:10AM1.53m
9:40PM1.47m
9:52AM1.49m
10:18PM1.54m
10:36AM1.40m
10:59PM1.57m
11:24AM1.29m
11:44PM1.57m
12:17PM1.16m
00:35AM1.53m
1:20PM1.04m
1:35AM1.48m
2:38PM0.96m
2:47AM1.43m
4:06PM0.95m
4:05AM1.42m
5:24PM0.99m
5:17AM1.43m
6:24PM1.08m
6:18AM1.46m
Low Tide
1:12PM0.28m
00:46AM0.43m
1:47PM0.19m
1:32AM0.34m
2:21PM0.12m
2:16AM0.26m
2:54PM0.08m
3:00AM0.19m
3:28PM0.06m
3:45AM0.14m
4:03PM0.08m
4:32AM0.12m
4:39PM0.13m
5:23AM0.13m
5:19PM0.21m
6:18AM0.17m
6:03PM0.31m
7:22AM0.23m
6:54PM0.40m
8:37AM0.28m
8:00PM0.49m
9:58AM0.29m
9:21PM0.53m
11:13AM0.26m
10:45PM0.51m
12:14PM0.21m
11:56PM0.44m
Wave
height (m) 
direction
period (s) 
1.4
SSE
9
1.5
S
12
1.8
S
17
1.6
S
15
1.5
S
14
1.6
ENE
6
1.2
S
12
1.2
S
12
1.2
S
5
1.6
S
6
1.4
S
6
1.1
S
7
1.1
S
10
1.1
S
9
1
SE
6
0.9
SE
6
0.9
S
12
0.9
S
15
0.8
S
13
0.8
S
12
0.7
SSE
11
0.7
ESE
10
0.7
ESE
10
0.9
E
9
0.9
E
9
1
ENE
4
1.5
ENE
6
2.3
S
6
4
S
9
4.5
S
10
3.5
S
10
3
S
10
2.5
SSE
9
2.1
SSE
9
1.8
SE
9
1.5
SE
9
1.3
SE
9
1.3
ESE
9
1.4
ESE
9
2.5
S
8
3.5
S
9
3
SE
10
3
SSE
10
2.5
SSE
10
2.5
SSE
10
2
SSE
10
1.7
SSE
9
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
light rain
heavy rain
light rain
light rain
rain showers
part cloud
rain showers
rain showers
clear
clear
clear
clear
cloud
part cloud
part cloud
cloud
rain showers
rain showers
part cloud
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
clear
some clouds
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
light rain
heavy rain
light rain
light rain
rain shwrs
some clouds
rain shwrs
rain shwrs
clear
clear
clear
clear
cloudy
some clouds
some clouds
cloudy
rain shwrs
rain shwrs
some clouds
clear
 km/h
10
NNE
25
NE
15
NNE
10
NE
25
NE
15
NNE
10
NNW
30
S
15
SSW
20
SE
20
SSE
5
SW
10
SSE
20
SE
10
SSE
15
SE
10
SE
5
NW
5
ENE
15
ENE
5
N
5
NE
15
NE
10
N
20
NNE
25
NE
20
NNE
35
S
40
SSW
35
S
30
SSW
25
S
15
S
15
S
10
ESE
10
NNW
10
NNE
25
NE
10
WNW
30
S
25
S
20
S
20
S
20
SSE
20
ESE
15
E
15
E
 mm 
6
4
1
1
2
1
2
12
4
1
1
1
1
2
3
max°C
21
22
21
22
23
22
25
29
24
22
22
21
22
23
22
22
22
21
21
22
21
22
23
22
23
24
22
19
16
18
17
18
18
17
19
19
20
21
20
18
18
19
18
18
20
21
21
Moonrise
2:31
3:34
4:38
5:43
6:48
7:54
9:03
10:15
11:28
12:41
1:48
2:47
3:37
4:18
4:52
5:21
Moonset
5:06
5:38
6:08
6:36
7:04
7:33
8:06
8:43
9:28
10:21
11:22
12:30
1:40
2:48
3:54
Sunrise
6:52
6:54
6:54
6:56
6:56
6:56
6:58
6:58
6:58
7:00
7:01
7:01
7:01
7:03
7:03
7:05
Sunset
7:13
7:10
7:09
7:08
7:07
7:06
7:05
7:02
7:01
7:00
6:59
6:58
6:57
6:54
6:53
6:52
Today's sea temperature in Dee Why is
22.8° C
(Statistics for 15 Mar 1981-2005 – mean: 23.0 max: 24.4 min: 21.6°C)
Issued (local time): 4 am Sunday 15 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest