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

Some drizzle, heaviest during Wed night. Warm air temperatures (max 28°C on Fri afternoon, min 19°C on Wed morning). Winds decreasing (fresh winds from the NE on Wed afternoon, light winds from the WSW by Fri afternoon).

Days 5–7 Weather Summary

Light rain (total 5mm), mostly falling on Sat night. Warm air temperatures (max 25°C on Fri night, min 21°C on Sat morning). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 33mm), heaviest during Wed afternoon. Warm (max 22°C on Tue afternoon, min 17°C on Wed night). Winds increasing (light winds from the NNW on Mon night, fresh winds from the S by Wed night).

Days 11–13 Weather Summary

Light rain (total 9mm), mostly falling on Thu night. Warm (max 21°C on Sun afternoon, min 18°C on Thu night). Wind will be generally light.

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sun
30
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
11:43PM4.46ft
12:03PM3.48ft
00:20AM4.36ft
12:46PM3.18ft
1:05AM4.2ft
1:42PM2.95ft
2:03AM4.1ft
3:00PM2.85ft
3:13AM4.13ft
4:27PM2.92ft
4:26AM4.27ft
5:37PM3.15ft
5:29AM4.56ft
6:31PM3.51ft
6:24AM4.86ft
7:16PM3.94ft
7:14AM5.12ft
7:59PM4.36ft
8:01AM5.25ft
8:40PM4.79ft
8:49AM5.22ft
9:21PM5.12ft
9:37AM5.05ft
Low Tide
5:19PM1.15ft
6:12AM1.18ft
5:49PM1.38ft
6:59AM1.38ft
6:24PM1.57ft
7:58AM1.54ft
7:10PM1.77ft
9:11AM1.57ft
8:16PM1.9ft
10:28AM1.44ft
9:39PM1.9ft
11:32AM1.18ft
10:56PM1.74ft
12:24PM0.82ft
00:01AM1.44ft
1:08PM0.46ft
00:57AM1.08ft
1:48PM0.16ft
1:49AM0.72ft
2:28PM0ft
2:39AM0.43ft
3:07PM-0.03ft
3:30AM0.2ft
3:46PM0.1ft
Wave
height (ft) 
direction
period (s) 
4.5
S
8
4
SSE
8
4.5
ENE
5
5
ENE
6
4
ENE
6
4
S
13
4
ENE
6
3
ENE
6
2.5
S
13
2.5
S
12
2.5
S
12
2.5
SSE
11
3
SSE
7
2.5
SE
8
3
SE
8
3
SE
7
3
SE
7
3
ENE
5
3.5
ENE
6
4.5
SSE
17
4.5
SSE
16
4
SSE
15
3.5
SSE
14
3.5
S
14
7
S
6
11
S
10
10
S
10
10
S
11
8
S
11
8
S
10
8
SSE
10
7.5
SSE
10
7
SSE
11
7
SSE
10
7
SE
10
7
SE
10
clear
part cloud
clear
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
rain showers
part cloud
part cloud
part cloud
cloud
cloud
mod rain
light rain
light rain
light rain
light rain
mod rain
light rain
cloud
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
rain showers
part cloud
clear
some clouds
clear
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
rain shwrs
some clouds
some clouds
some clouds
cloudy
cloudy
mod rain
light rain
light rain
light rain
light rain
mod rain
light rain
cloudy
some clouds
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
some clouds
rain shwrs
some clouds
 mph
10
NNE
10
NNE
20
NE
10
NNE
5
NNE
10
NNE
5
N
5
NW
5
W
10
SSW
5
SSE
10
ENE
5
ENE
10
ENE
10
ENE
5
N
10
NE
5
NNE
10
NE
10
N
5
NNE
5
NNW
10
NW
5
SSW
20
S
20
S
15
S
10
S
10
SSE
10
SSE
5
ESE
10
SE
10
ESE
10
SE
15
ESE
10
ESE
 in 
0.04
0.2
0.3
0.2
0.2
0.2
0.04
0.3
0.1
0.08
0.04
0.04
0.08
0.04
0.04
0.04
max°F
72
72
73
72
73
77
72
81
82
77
73
75
73
73
75
73
73
73
70
70
72
70
70
70
70
66
66
66
64
66
66
68
68
68
68
70
Moonrise
8:53
9:25
10:03
10:47
11:40
12:40
1:45
2:54
4:04
5:15
6:26
7:38
Moonset
10:16
11:15
12:14
1:13
2:10
3:03
3:50
4:31
5:07
5:40
6:10
6:40
7:12
Sunrise
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
7:07
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 76 °F (Statistics for 18 Mar 1981-2005 – mean: 73 max: 76 min: 71°F)
Issued (local time): 10 pm Tuesday 18 Mar 2025
Forecast update inUpdates in 2 hr 40 min 18 sUpdate imminent
Nearest