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 06:43 AM and sunset is at 04:35 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Tue night. Low air temperatures (max 8°C on Wed afternoon, min 2°C on Mon night). Winds decreasing (fresh winds from the WNW on Mon morning, calm by Wed afternoon).

Days 4–6 Weather Summary

Heavy rain (total 22mm), heaviest during Fri night. Cool air temperatures (max 13°C on Fri afternoon, min 4°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 10°C on Sun afternoon, min 1°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 26mm), heaviest during Fri morning. Mild temperatures (max 9°C on Thu afternoon, min 2°C on Wed morning). Winds increasing (calm on Wed afternoon, strong winds from the WNW by Fri night).

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
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
6:35PM1.50m
7:00AM1.80m
7:16PM1.50m
7:37AM1.83m
7:55PM1.49m
8:12AM1.82m
8:33PM1.46m
8:47AM1.80m
9:10PM1.41m
9:21AM1.75m
9:48PM1.36m
9:57AM1.69m
10:29PM1.30m
10:35AM1.63m
11:14PM1.27m
11:20AM1.59m
00:04AM1.27m
12:10PM1.55m
00:56AM1.30m
1:04PM1.54m
1:49AM1.37m
2:00PM1.52m
2:43AM1.48m
Low Tide
12:41PM0.09m
00:47AM0.06m
1:24PM0.05m
1:25AM0.06m
2:05PM0.02m
2:04AM0.09m
2:46PM0.02m
2:42AM0.11m
3:26PM0.02m
3:19AM0.15m
4:04PM0.05m
3:55AM0.19m
4:43PM0.09m
4:30AM0.23m
5:21PM0.13m
5:06AM0.28m
6:01PM0.17m
5:48AM0.32m
6:48PM0.19m
6:44AM0.35m
7:44PM0.18m
8:01AM0.35m
8:44PM0.13m
Wave
height (m) 
direction
period (s) 
0.8
WNW
4
0.8
NW
4
0.6
WNW
3
0.5
WNW
3
0.5
W
3
0.2
WSW
2
0.2
N
2
0.1
S
6
0.1
S
6
0.1
S
5
0.1
S
5
0.1
SE
5
0.4
SSE
3
0.5
SE
5
0.4
SSE
5
0.4
NNW
3
0.2
SSE
6
0.4
NNW
3
0.3
WNW
2
0.4
SW
3
0.5
WSW
3
0.3
WNW
3
0.3
W
2
0.5
NW
3
0.6
NNW
3
0.5
NNW
3
0.4
NNW
3
0.1
SE
9
0.1
SE
9
0.1
E
9
0.4
SE
2
0.7
SE
4
0.6
ESE
6
0.6
ESE
6
0.6
ESE
5
0.9
NW
4
cloud
clear
clear
cloud
cloud
light rain
part cloud
clear
part cloud
cloud
cloud
cloud
mod rain
light rain
rain showers
cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
cloud
cloud
cloud
part cloud
light rain
light rain
cloud
mod rain
mod rain
rain showers
cloudy
clear
clear
cloudy
cloudy
light rain
some clouds
clear
some clouds
cloudy
cloudy
cloudy
mod rain
light rain
rain shwrs
cloudy
clear
some clouds
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
clear
cloudy
cloudy
cloudy
some clouds
light rain
light rain
cloudy
mod rain
mod rain
rain shwrs
 km/h
35
WNW
30
WNW
30
WNW
25
WNW
20
W
15
WSW
15
N
5
N
10
N
5
ENE
0
SW
5
SW
20
S
20
SW
25
NNW
10
N
15
N
15
NNW
15
W
25
WSW
25
W
20
WNW
20
W
25
WNW
30
NW
25
NW
15
NNW
5
W
5
W
5
SSW
15
SE
20
ESE
15
NNE
20
NE
20
NW
35
WNW
 mm 
3
7
3
12
4
3
6
8
5
max°C
6
6
4
6
7
5
6
8
7
6
7
9
12
13
12
7
8
6
8
10
9
9
10
8
6
7
3
3
5
6
8
9
9
7
7
5
Moonrise
4:14
5:17
6:19
7:22
8:23
9:19
10:08
10:50
11:25
11:54
12:20
12:43
Moonset
2:58
3:22
3:51
4:25
5:06
5:56
6:53
7:56
9:01
10:08
11:16
Sunrise
6:43
6:45
6:46
6:47
6:48
6:50
6:50
6:52
6:52
6:54
6:54
6:56
Sunset
4:35
4:35
4:34
4:32
4:32
4:31
4:31
4:30
4:30
4:30
4:30
4:29
Today's sea temperature in Grassy Bay (bridge), Brooklyn is
11.6° C
(Statistics for 17 Nov 1981-2005 – mean: 11.5 max: 14.3 min: 9.6°C)
Issued (local time): 6 am Monday 17 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest