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 —.

Days 1–4 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Wed afternoon, min 8°C on Thu night). Winds increasing (light winds from the NNW on Tue night, fresh winds from the WNW by Thu morning).

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 19°C on Sun afternoon, min 10°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 16°C on Wed morning, min 8°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Very mild (max 19°C on Fri morning, min 11°C on Thu night). Wind will be generally light.

Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
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
7:16AM0.98m
7:15PM1.54m
7:59AM1.01m
7:55PM1.59m
8:40AM1.04m
8:35PM1.62m
9:21AM1.07m
9:15PM1.63m
10:03AM1.10m
9:55PM1.61m
10:47AM1.14m
10:37PM1.55m
11:33AM1.19m
11:22PM1.46m
12:22PM1.24m
00:12AM1.35m
1:15PM1.30m
1:11AM1.22m
2:12PM1.36m
2:20AM1.11m
3:13PM1.43m
3:37AM1.03m
4:14PM1.51m
Low Tide
1:28AM0.27m
12:36PM0.41m
2:08AM0.21m
1:20PM0.38m
2:47AM0.16m
2:02PM0.36m
3:26AM0.13m
2:45PM0.35m
4:04AM0.10m
3:29PM0.36m
4:42AM0.09m
4:17PM0.37m
5:21AM0.10m
5:09PM0.40m
6:02AM0.12m
6:09PM0.43m
6:45AM0.17m
7:17PM0.44m
7:33AM0.23m
8:34PM0.42m
8:27AM0.29m
9:52PM0.37m
9:26AM0.33m
Wave
height (m) 
direction
period (s) 
0.8
E
9.0
0.6
ESE
8.0
0.7
E
10.0
0.9
ESE
10.0
1.3
NW
4.0
1.4
WNW
5.0
1.4
WSW
5.0
1.5
S
10.0
1.5
S
9.0
1.4
SSW
7.0
1.2
S
10.0
1.3
S
11.0
1.9
S
13.0
1.5
S
12.0
1.2
S
11.0
1.2
S
10.0
0.9
S
10.0
0.7
S
10.0
1.2
S
9.0
1.3
S
10.0
1.2
S
10.0
1.3
S
9.0
1.1
S
9.0
1.2
S
9.0
1.6
S
8.0
1.3
S
10.0
1.2
S
10.0
1.1
S
8.0
0.9
SSE
8.0
0.8
SE
7.0
0.7
SE
8.0
0.6
ESE
7.0
0.8
ESE
7.0
1.1
S
5.0
1.7
SSE
7.0
1.4
SSE
6.0
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
cloud
part cloud
cloud
part cloud
rain showers
clear
clear
clear
clear
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
clear
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
cloudy
some clouds
cloudy
some clouds
rain shwrs
clear
clear
 km/h
15
NNW
10
NNW
15
NNE
20
NNW
35
WNW
35
W
25
W
20
WSW
25
WSW
20
WSW
10
W
10
S
10
WNW
10
W
5
NNE
20
NNW
15
W
10
S
10
WSW
25
WSW
15
S
20
W
20
SW
20
SSE
5
SW
5
W
15
NE
10
NNW
15
NW
5
WSW
10
WNW
10
WSW
20
SW
15
SSW
15
S
15
S
 mm 
2
max°C
13
17
18
14
14
12
11
17
16
13
17
17
13
17
19
15
17
17
14
14
14
10
16
15
15
15
15
14
19
19
16
17
15
14
16
15
Moonrise
2:21
3:11
4:09
5:12
6:18
7:24
8:29
9:34
10:40
11:46
12:55
2:07
Moonset
4:41
5:39
6:33
7:21
8:03
8:40
9:11
9:40
10:08
10:36
11:06
11:40
12:20
Sunrise
6:58
6:58
6:58
6:58
6:58
6:58
6:56
6:56
6:56
6:56
6:56
6:54
Sunset
5:00
5:00
5:00
5:01
5:01
5:02
5:02
5:04
5:05
5:05
5:06
5:06
Today's sea temperature in Dee Why is 17.8 °C (Statistics for 08 Jul 1981-2005 – mean: 18.1 max: 19.9 min: 16.4°C)
Issued (local time): 9 pm Tuesday 08 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest