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 06:39 AM and sunset is at 06:55 PM.

Days 1–3 Weather Summary

Heavy rain (total 21mm), heaviest during Tue afternoon. Warm air temperatures (max 21°C on Sun afternoon, min 12°C on Tue night). Mainly fresh winds.

Days 4–6 Weather Summary

Heavy rain (total 26mm), heaviest during Fri night. Cool air temperatures (max 19°C on Thu afternoon, min 12°C on Wed morning). Winds increasing (moderate winds from the NE on Thu night, near gales from the NNE by Fri night).

Days 7–9 Weather Summary

Heavy rain (total 38mm), heaviest during Sun morning. Very mild (max 15°C on Sat morning, min 13°C on Sun afternoon). Winds decreasing (near gales from the NE on Sat morning, moderate winds from the NNE by Mon night).

Days 10–12 Weather Summary

Light rain (total 8mm), mostly falling on Wed night. Warm (max 24°C on Wed afternoon, min 10°C on Fri morning). Winds increasing (light winds from the NW on Tue night, fresh winds from the NW by Thu afternoon).

Days 13–16 Weather Summary

Mostly dry. Very mild (max 19°C on Mon afternoon, min 11°C on Fri night). Winds decreasing (fresh winds from the NW on Fri morning, calm by Sun afternoon).

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
4:28PM1.55m
5:04AM1.30m
5:25PM1.59m
6:01AM1.38m
6:19PM1.66m
6:51AM1.50m
7:06PM1.73m
7:34AM1.62m
7:49PM1.80m
8:13AM1.75m
8:28PM1.84m
8:49AM1.86m
9:06PM1.85m
9:25AM1.94m
9:46PM1.82m
10:03AM1.99m
10:28PM1.76m
10:44AM1.99m
11:15PM1.68m
11:32AM1.96m
00:10AM1.59m
12:27PM1.90m
1:12AM1.51m
1:30PM1.83m
2:17AM1.47m
2:36PM1.78m
3:23AM1.47m
3:42PM1.76m
Low Tide
10:21AM0.50m
11:18PM0.39m
11:21AM0.44m
00:07AM0.30m
12:13PM0.35m
00:51AM0.20m
1:01PM0.26m
1:32AM0.11m
1:47PM0.16m
2:12AM0.03m
2:33PM0.09m
2:51AM-0.03m
3:17PM0.02m
3:30AM-0.06m
4:02PM-0.02m
4:09AM-0.07m
4:46PM-0.03m
4:48AM-0.05m
5:31PM-0.00m
5:29AM0.00m
6:19PM0.06m
6:14AM0.08m
7:13PM0.14m
7:06AM0.18m
8:19PM0.21m
8:14AM0.27m
9:35PM0.23m
9:35AM0.30m
Wave
Height (m)
Direction
Period (s)
0.8
SE
4
0.6
SE
5
0.6
ESE
5
0.7
NE
4
0.6
E
6
1
E
5
1.2
E
6
1.3
E
7
1.3
ESE
8
1.5
ESE
8
1.6
ESE
9
1.6
ESE
10
1.6
ESE
11
1.7
ESE
11
1.5
ESE
11
1.7
ESE
12
1.9
ESE
12
2.1
ESE
11
2.2
ESE
10
2
ESE
8
1.7
ESE
9
2
ESE
10
2
ESE
10
1.9
ESE
10
1.7
E
8
1.5
E
8
1.1
ESE
7
0.8
ESE
6
0.6
ESE
10
0.4
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.5
NNW
3
0.7
NNW
3
0.5
NNW
3
0.6
NW
3
0.6
NW
3
0.5
NW
3
0.5
NW
3
0.6
NNW
3
0.4
NNW
3
0.2
ESE
10
0.1
SE
10
0.2
ESE
10
0.2
ESE
9
0.8
SSE
4
light rain
light rain
rain showers
part cloud
part cloud
cloud
light rain
mod rain
light rain
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
light rain
heavy rain
mod rain
light rain
light rain
heavy rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
part cloud
part cloud
clear
rain showers
rain showers
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
light rain
light rain
rain shwrs
some clouds
some clouds
cloudy
light rain
mod rain
light rain
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
light rain
heavy rain
mod rain
light rain
light rain
heavy rain
light rain
light rain
light rain
light rain
light rain
light rain
rain shwrs
some clouds
some clouds
clear
rain shwrs
rain shwrs
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
km/h
25
SSE
15
SSW
25
N
25
NE
20
ENE
25
ENE
30
ENE
30
NE
30
NE
35
NE
35
ENE
30
NE
35
NE
30
ENE
30
NE
35
NE
50
NNE
60
NNE
60
NE
45
NE
40
NE
45
NE
45
NE
40
NE
40
NE
35
NE
25
NNE
15
N
15
NNW
10
W
15
WSW
15
WSW
10
W
25
NW
30
NW
20
NW
30
NW
30
NW
25
WNW
25
NW
30
NW
15
NW
10
N
10
S
10
SW
15
S
25
SSE
 mm
5
3
2
4
6
1
3
23
7
2
1
12
2
5
2
3
4
2
1
4
1
max °C
19
21
21
18
21
20
14
13
13
14
17
16
13
19
17
15
16
14
15
15
15
15
13
15
15
15
13
13
15
15
19
24
23
15
17
15
12
17
16
13
18
16
13
17
17
18
19
Moonrise
3:59
4:32
5:01
5:26
5:49
6:11
6:33
6:58
7:26
8:00
8:43
9:36
10:40
11:52
1:07
Moonset
12:06
1:08
2:12
3:18
4:24
5:30
6:38
7:48
9:00
10:16
11:32
12:45
1:51
2:45
3:29
4:04
Sunrise
6:39
6:41
6:41
6:43
6:43
6:45
6:46
6:47
6:48
6:48
6:50
6:50
6:52
6:52
6:54
6:54
Sunset
6:55
6:54
6:52
6:51
6:49
6:47
6:45
6:44
6:43
6:40
6:38
6:37
6:36
6:34
6:32
6:30
Today's sea temperature in Grassy Bay (bridge), Brooklyn is
23.4°C
(Statistics for 20 Sep 1981-2005 – mean: 19.7 max: 21.5 min: 17.3°C)
Issued (local time): 7 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest