Grassy Bay (bridge), Brooklyn Sea Conditions and Tide Table

Grassy Bay (bridge), Brooklyn 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 05:24 AM and sunset is at 08:30 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Very warm air temperatures (max 37°C on Tue afternoon, min 27°C on Mon morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 20mm), heaviest during Sat night. Warm air temperatures (max 28°C on Thu morning, min 19°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 14mm), heaviest on Mon night. Warm (max 31°C on Sun afternoon, min 21°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 28°C on Wed afternoon, min 18°C on Thu night). Wind will be generally light.

Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
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
7:15AM1.60m
7:38PM2.10m
8:14AM1.64m
8:32PM2.13m
9:08AM1.67m
9:23PM2.12m
10:01AM1.68m
10:14PM2.07m
10:54AM1.67m
11:05PM1.98m
11:48AM1.65m
11:57PM1.88m
12:42PM1.62m
00:47AM1.76m
1:33PM1.61m
1:36AM1.65m
2:21PM1.60m
2:24AM1.54m
3:08PM1.59m
3:10AM1.44m
3:54PM1.60m
3:59AM1.36m
4:42PM1.62m
4:53AM1.31m
Low Tide
1:23PM-0.03m
2:26AM-0.10m
2:19PM-0.04m
3:21AM-0.15m
3:15PM-0.04m
4:13AM-0.17m
4:09PM-0.02m
5:02AM-0.16m
5:00PM0.02m
5:49AM-0.12m
5:48PM0.09m
6:33AM-0.05m
6:36PM0.19m
7:17AM0.04m
7:26PM0.29m
8:03AM0.13m
8:21PM0.37m
8:50AM0.21m
9:22PM0.41m
9:40AM0.26m
10:22PM0.41m
10:29AM0.29m
11:19PM0.38m
Wave
height (m) 
direction
period (s) 
0.2
ESE
8.0
0.5
SSE
3.0
0.2
ESE
8.0
0.2
ESE
8.0
0.4
SW
2.0
0.2
ESE
8.0
0.2
ESE
8.0
0.3
S
3.0
0.2
ESE
8.0
0.1
SE
8.0
0.6
ESE
4.0
0.6
E
4.0
0.4
E
4.0
0.4
E
4.0
0.4
SE
9.0
0.3
SE
9.0
0.6
SE
3.0
0.3
SE
9.0
0.3
SE
9.0
0.5
SE
3.0
0.4
SE
8.0
0.3
ESE
8.0
0.7
SSE
4.0
0.4
SSE
5.0
0.4
SE
6.0
0.5
SE
7.0
0.4
SE
7.0
0.4
SE
8.0
0.4
SSE
8.0
0.2
SSE
7.0
0.4
SE
6.0
0.7
ESE
4.0
0.8
E
4.0
0.6
ESE
6.0
0.9
ESE
6.0
0.7
ESE
7.0
part cloud
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
rain showers
light rain
light rain
cloud
part cloud
rain showers
rain showers
clear
thunderstorm
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
cloud
part cloud
rain showers
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
risk tstorm
rain shwrs
light rain
light rain
cloudy
some clouds
rain shwrs
rain shwrs
clear
risk tstorm
some clouds
some clouds
clear
some clouds
risk tstorm
risk tstorm
cloudy
some clouds
rain shwrs
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
clear
 km/h
5
SSW
20
S
5
NW
10
WNW
15
W
15
NW
10
W
15
SW
5
N
10
ENE
20
ESE
15
E
15
E
15
SE
10
ESE
5
SW
20
S
5
SW
5
WSW
20
S
10
WSW
15
SSW
25
S
10
W
20
W
20
WSW
10
NNW
10
N
10
SSE
10
NNE
15
ENE
25
SE
20
E
15
ENE
25
ESE
10
N
 mm 
2
2
1
5
2
1
9
3
10
1
max°C
29
33
30
33
37
37
32
35
31
28
26
20
20
22
21
23
28
27
29
31
29
31
31
30
26
28
26
26
28
26
24
24
21
20
22
20
Moonrise
3:11
4:02
5:05
6:17
7:32
8:45
9:55
11:00
12:03
1:04
2:05
3:06
Moonset
7:10
8:21
9:21
10:07
10:43
11:12
11:35
11:56
12:16
12:35
12:55
Sunrise
5:24
5:24
5:24
5:24
5:26
5:26
5:26
5:26
5:26
5:28
5:28
5:28
Sunset
8:30
8:30
8:30
8:30
8:30
8:30
8:30
8:30
8:30
8:30
8:29
8:29
Today's sea temperature in Grassy Bay (bridge), Brooklyn is 19.8 °C (Statistics for 23 Jun 1981-2005 – mean: 18.5 max: 21.3 min: 15.8°C)
Issued (local time): 1 am Monday 23 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest