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

Some drizzle, heaviest during 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, light winds from the N by Tue night).

Days 4–6 Weather Summary

Moderate rain (total 10mm), heaviest on Fri morning. Cool air temperatures (max 12°C on Fri afternoon, min 5°C on Thu morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 11°C on Mon afternoon, min 2°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Very mild (max 18°C on Thu morning, min 3°C on Fri night). Winds increasing (calm on Tue night, fresh winds from the W by Fri afternoon).

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Fri
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
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
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
Wave
height (m) 
direction
period (s) 
0.8
WNW
4
0.8
NW
4
0.6
WNW
3
0.5
WNW
3
0.4
WNW
3
0.2
WSW
2
0.2
N
2
0.1
S
6
0.1
S
5
0.1
S
5
0.1
SE
5
0.1
SE
5
0.2
ESE
5
0.4
SE
4
0.4
SE
5
0.2
SSE
6
0.2
SSE
5
0.4
NNW
3
0.3
NNW
2
0.2
SSE
7
0.1
SE
7
0.2
WSW
2
0.3
WSW
2
0.2
ESE
9
0.1
SE
10
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.4
SSE
3
0.4
SE
4
0.3
SSE
6
0.4
SE
7
0.5
SE
8
0.6
W
3
0.8
W
3
cloud
clear
clear
cloud
part cloud
light rain
part cloud
clear
part cloud
light rain
cloud
part cloud
light rain
light rain
light rain
cloud
light rain
clear
cloud
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
light rain
clear
clear
part cloud
part cloud
clear
cloudy
clear
clear
cloudy
some clouds
light rain
some clouds
clear
some clouds
light rain
cloudy
some clouds
light rain
light rain
light rain
cloudy
light rain
clear
cloudy
clear
clear
some clouds
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
light rain
clear
clear
some clouds
some clouds
clear
 km/h
35
WNW
30
WNW
30
WNW
25
WNW
20
WNW
15
WSW
15
N
5
N
5
NNE
5
NE
5
NNE
5
W
15
S
15
SW
20
NNW
10
NE
10
N
15
NNW
15
NNW
15
NW
10
WNW
15
WSW
20
W
10
WNW
10
W
5
WSW
5
SW
10
SE
20
SSE
15
SSW
15
SW
15
SW
20
SW
30
W
35
W
 mm 
1
1
3
1
2
3
3
max°C
6
7
5
6
7
5
6
8
7
5
6
8
10
12
12
7
6
6
6
8
6
9
11
8
9
11
10
12
14
15
18
18
15
7
6
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): 12 am Monday 17 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest