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 07:16 AM and sunset is at 04:31 PM.

Days 1–3 Weather Summary

A dusting of snow turning to light rain (total 3mm) on Tue morning. Icy conditions (max 5°C on Tue night, min 0°C on Mon night). Winds decreasing (strong winds from the NW on Wed morning, light winds from the WSW by Wed night).

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Fri night. Turning milder with moderate rain (total 14mm), heaviest on Sun morning. Icy conditions (max 6°C on Sun morning, min -5°C on Thu night). Winds increasing (light winds from the ENE on Fri morning, fresh winds from the ENE by Fri night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Sun night, min -6°C on Tue night). Winds decreasing (strong winds from the W on Mon afternoon, moderate winds from the WSW by Wed afternoon).

Days 10–12 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 3°C on Thu afternoon, min -14°C on Thu night). Winds increasing (moderate winds from the SSW on Wed night, near gales from the NW by Thu afternoon).

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
10:16AM1.66m
10:51PM1.33m
10:57AM1.62m
11:36PM1.35m
11:44AM1.57m
00:25AM1.40m
12:35PM1.52m
1:15AM1.47m
1:29PM1.48m
2:08AM1.55m
2:27PM1.43m
3:05AM1.64m
3:31PM1.41m
4:06AM1.73m
4:38PM1.41m
5:08AM1.83m
5:45PM1.45m
6:09AM1.91m
6:46PM1.51m
7:06AM1.98m
7:41PM1.58m
7:59AM2.02m
Low Tide
4:59PM-0.03m
4:54AM0.14m
5:36PM-0.02m
5:35AM0.17m
6:15PM0.00m
6:25AM0.20m
7:00PM0.01m
7:31AM0.22m
7:55PM0.02m
8:47AM0.19m
8:58PM0.00m
9:58AM0.11m
9:59PM-0.04m
11:01AM0.00m
10:58PM-0.09m
12:00PM-0.11m
11:56PM-0.13m
12:58PM-0.20m
00:53AM-0.19m
1:53PM-0.27m
1:50AM-0.23m
2:46PM-0.33m
Wave
height (m) 
direction
period (s) 
0.5
S
3
0.3
SSE
5
0.5
SW
3
0.9
NNW
4
0.6
NNW
4
0.1
SE
9
0.4
ESE
10
0.5
ESE
9
0.6
ESE
9
0.5
ESE
10
0.3
ESE
10
0.9
ESE
5
1.2
E
6
1
E
6
0.8
ESE
6
1
SE
5
0.6
SE
6
0.9
WNW
3
0.9
W
4
0.9
W
4
0.8
W
4
0.8
WNW
4
0.7
NW
4
0.6
WNW
3
0.4
W
3
0.4
WSW
3
0.4
SSW
3
0.5
SW
3
0.6
SW
3
1.1
NW
4
1.2
WNW
4
1.3
NW
4
1
WNW
4
0.9
WNW
4
0.9
NW
4
light snow
cloud
part cloud
clear
part cloud
part cloud
light snow
part cloud
clear
cloud
light snow
heavy snow
cloud
cloud
light rain
mod rain
light rain
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
light snow
snow showers
cloud
cloud
clear
part cloud
clear
clear
light snow
cloudy
some clouds
clear
some clouds
some clouds
light snow
some clouds
clear
cloudy
light snow
heavy snow
cloudy
cloudy
light rain
mod rain
light rain
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
light snow
snow shwrs
cloudy
cloudy
clear
some clouds
clear
clear
 km/h
20
S
15
WSW
20
WSW
40
NW
25
NNW
5
WSW
25
SW
25
WNW
20
N
20
NNE
15
ESE
25
E
30
ENE
20
ENE
15
E
25
SSE
20
WSW
40
W
35
W
40
W
35
W
30
WNW
30
WNW
25
WNW
20
W
20
WSW
20
SSW
25
WSW
30
WSW
45
WNW
50
WNW
50
WNW
40
WNW
35
WNW
35
WNW
 mm 
3
3
10
1
max°C
2
2
5
3
3
0
1
4
0
-4
-3
1
-1
0
3
6
4
3
-4
-4
-4
-2
-2
-5
-3
-2
0
2
3
-11
-8
-7
-8
-5
-5
Moonrise
9:58
10:24
10:47
11:09
11:31
11:55
12:22
12:55
1:38
2:32
3:39
4:55
Moonset
8:01
9:08
10:15
11:23
12:32
1:45
3:02
4:22
5:40
6:51
7:50
Sunrise
7:16
7:16
7:16
7:16
7:18
7:18
7:18
7:18
7:18
7:18
7:18
7:18
Sunset
4:31
4:32
4:32
4:34
4:34
4:35
4:36
4:37
4:37
4:38
4:38
4:39
Today's sea temperature in Grassy Bay (bridge), Brooklyn is
6.7° C
(Statistics for 23 Dec 1981-2005 – mean: 7.3 max: 9.5 min: 5.5°C)
Issued (local time): 12 am Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest