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

Light rain (total 4mm), mostly falling on Fri afternoon. Cool air temperatures (max 16°C on Wed afternoon, min 8°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Sun afternoon. Cool air temperatures (max 17°C on Sat afternoon, min 10°C on Sat night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 10mm), heaviest on Wed morning. Very mild (max 19°C on Tue morning, min 11°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 26mm), heaviest during Thu night. Very mild (max 17°C on Sat afternoon, min 7°C on Sun night). Mainly fresh winds.

Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sun
27
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
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
4:54AM1.00m
5:14PM1.58m
6:03AM1.02m
6:10PM1.65m
7:02AM1.05m
7:02PM1.70m
7:54AM1.08m
7:51PM1.73m
8:40AM1.11m
8:37PM1.71m
9:23AM1.14m
9:19PM1.66m
10:05AM1.17m
Low Tide
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
11:06PM0.28m
10:28AM0.35m
00:11AM0.19m
11:29AM0.35m
1:07AM0.11m
12:25PM0.33m
1:57AM0.06m
1:17PM0.30m
2:42AM0.04m
2:06PM0.29m
3:24AM0.04m
2:53PM0.30m
4:03AM0.07m
3:39PM0.32m
Wave
height (m) 
direction
period (s) 
1.2
S
9.0
1.2
S
9.0
1
S
9.0
0.7
S
8.0
0.7
S
9.0
0.6
S
9.0
0.9
S
10.0
0.7
S
8.0
1.4
SSE
6.0
1.3
SSE
6.0
0.9
SE
6.0
0.8
SE
6.0
0.8
ESE
6.0
0.7
S
4.0
1.3
SSE
5.0
1.2
SE
6.0
1.2
ESE
6.0
1
ESE
6.0
1.4
ENE
8.0
1.8
ENE
8.0
1.8
ENE
10.0
2.2
ENE
8.0
1.8
ENE
9.0
1.6
ENE
11.0
1.4
ENE
10.0
1.3
ENE
10.0
1.1
ENE
10.0
1.1
E
10.0
1.5
E
9.0
1.8
E
9.0
1.9
E
13.0
1.9
E
14.0
1.9
E
14.0
1.9
E
14.0
2
E
14.0
2
E
14.0
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
clear
clear
clear
clear
light rain
rain showers
rain showers
clear
clear
clear
clear
part cloud
light rain
clear
clear
cloud
light rain
heavy rain
mod rain
rain showers
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
rain shwrs
some clouds
clear
clear
clear
clear
light rain
rain shwrs
rain shwrs
clear
clear
clear
clear
some clouds
light rain
clear
clear
cloudy
light rain
heavy rain
mod rain
rain shwrs
clear
clear
some clouds
some clouds
clear
clear
 km/h
15
W
10
WNW
5
NE
10
W
10
NW
5
ESE
15
WSW
15
SW
20
S
10
S
10
W
15
NE
15
WSW
15
WSW
20
SSE
10
ESE
10
NNW
20
NE
15
N
20
N
25
NNE
20
NNE
15
N
20
NNW
5
WNW
5
W
10
NNE
10
S
20
SW
15
SSW
15
WSW
20
W
10
WSW
20
WSW
25
WSW
25
W
 mm 
1
3
1
1
1
5
5
19
6
1
max°C
10
15
16
13
15
15
11
13
14
15
16
17
13
15
16
16
17
17
16
19
19
16
14
14
14
16
14
14
13
13
12
15
17
12
11
11
Moonrise
9:34
10:40
11:46
12:55
2:07
3:20
4:31
5:35
6:30
7:15
7:52
8:24
Moonset
9:40
10:08
10:36
11:06
11:40
12:20
1:08
2:06
3:11
4:21
5:31
6:38
7:42
Sunrise
6:56
6:56
6:56
6:56
6:54
6:54
6:54
6:52
6:52
6:52
6:52
6:50
Sunset
5:04
5:05
5:05
5:06
5:06
5:07
5:07
5:07
5:08
5:09
5:09
5:10
Today's sea temperature in Dee Why is 17.4 °C (Statistics for 15 Jul 1981-2005 – mean: 18.0 max: 19.9 min: 16.0°C)
Issued (local time): 9 pm Tuesday 15 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest