Brant Rock, Green Harbor River Sea Conditions and Tide Table

Brant Rock, Green Harbor River 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 05:26 AM and sunset is at 07:50 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Sun night. Warm air temperatures (max 20°C on Sun afternoon, min 9°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 6mm), mostly falling on Thu morning. Cool air temperatures (max 17°C on Thu afternoon, min 10°C on Wed morning). Winds decreasing (fresh winds from the SSW on Wed afternoon, light winds from the N by Fri afternoon).

Days 7–9 Weather Summary

Moderate rain (total 17mm), heaviest on Mon night. Warm (max 23°C on Mon afternoon, min 12°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 25°C on Thu afternoon, min 14°C on Tue morning). Winds increasing (calm on Tue afternoon, fresh winds from the SSW by Thu night).

Days 13–16 Weather Summary

Some drizzle, heaviest during Fri afternoon. Warm (max 28°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light.

Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Mon
25
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
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High Tide
6:12AM2.60m
6:53PM2.45m
7:09AM2.60m
7:45PM2.57m
8:05AM2.64m
8:34PM2.73m
9:00AM2.70m
9:22PM2.92m
9:53AM2.77m
10:09PM3.11m
10:43AM2.85m
10:57PM3.28m
11:34AM2.91m
11:45PM3.42m
12:24PM2.95m
00:35AM3.51m
1:15PM2.96m
1:27AM3.53m
2:08PM2.95m
2:21AM3.48m
3:04PM2.91m
3:19AM3.38m
4:01PM2.88m
4:19AM3.24m
5:02PM2.85m
5:21AM3.09m
6:04PM2.85m
6:26AM2.94m
7:06PM2.88m
Low Tide
12:35PM0.41m
00:56AM0.59m
1:27PM0.39m
1:52AM0.47m
2:18PM0.34m
2:47AM0.30m
3:07PM0.29m
3:39AM0.10m
3:54PM0.22m
4:30AM-0.09m
4:42PM0.15m
5:20AM-0.26m
5:30PM0.09m
6:11AM-0.37m
6:20PM0.04m
7:02AM-0.43m
7:11PM0.02m
7:54AM-0.42m
8:04PM0.03m
8:49AM-0.36m
9:01PM0.08m
9:45AM-0.26m
10:00PM0.14m
10:43AM-0.14m
11:03PM0.20m
11:42AM-0.02m
00:08AM0.24m
12:42PM0.09m
Wave
Height (m)
Direction
Period (s)
0.3
E
9
0.5
S
3
0.5
NW
3
0.4
E
8
0.4
E
8
0.5
E
8
0.5
N
4
0.4
E
8
0.4
E
7
0.5
S
3
0.7
S
4
0.9
SSE
4
0.7
SSE
4
0.6
S
3
0.4
E
7
0.4
ENE
9
0.5
E
9
0.5
E
9
0.4
E
9
0.5
E
8
0.3
E
9
0.3
E
9
0.5
E
8
0.3
E
8
0.3
E
8
0.4
SSW
3
0.3
E
8
0.3
E
8
0.2
E
8
0.2
E
8
0.1
E
8
0.3
SE
2
0.3
SSW
2
0.5
S
3
0.8
SSW
4
0.8
SSW
4
0.5
SSW
4
0.4
NNW
3
0.6
NE
4
0.6
NE
4
0.4
ENE
5
0.3
NE
4
0.4
NE
4
0.3
NNE
4
0.3
SW
2
0.1
E
17
0.2
E
16
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
light rain
light rain
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
clear
rain showers
cloud
thunderstorm
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
some clouds
some clouds
rain shwrs
some clouds
some clouds
some clouds
clear
some clouds
some clouds
cloudy
cloudy
light rain
light rain
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
clear
some clouds
clear
rain shwrs
cloudy
risk tstorm
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
risk tstorm
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
km/h
5
SSW
20
SSW
20
NW
10
N
10
SE
15
NW
15
N
15
SE
15
SW
25
SSW
30
SSW
30
S
20
SSW
20
S
15
W
15
NNW
5
N
15
WSW
15
SSW
15
WSW
10
N
10
ESE
20
SSW
15
S
10
SSW
20
SSW
15
W
15
NNW
15
ESE
10
WSW
5
E
15
SSE
20
SW
25
SSW
30
SSW
30
SW
25
WSW
20
NE
15
N
15
NNE
15
ESE
10
NNE
10
NNE
20
SSE
15
WSW
15
NE
15
E
1
1
5
5
1
11
1
max °C
17
20
17
13
14
14
11
13
12
15
15
13
13
17
15
12
14
14
14
17
15
13
19
16
21
23
16
17
19
16
19
22
18
23
25
18
26
28
15
13
14
14
13
16
13
14
15
Moonrise
2:11
2:33
2:55
3:16
3:39
4:07
4:41
5:25
6:21
7:29
8:46
10:04
11:20
12:31
1:39
2:45
Moonset
12:50
1:58
3:08
4:21
5:37
6:58
8:21
9:41
10:51
11:47
12:30
1:03
1:29
1:51
2:12
Sunrise
5:26
5:26
5:24
5:24
5:22
5:22
5:20
5:20
5:18
5:18
5:16
5:16
5:15
5:15
5:13
5:13
Sunset
7:50
7:51
7:52
7:53
7:54
7:55
7:57
7:58
7:59
8:00
8:00
8:01
8:01
8:02
8:04
8:05
Today's sea temperature in Brant Rock, Green Harbor River is
9.5° C
(Statistics for 10 May 1981-2005 – mean: 8.7 max: 10.5 min: 6.4°C)
Issued (local time): 7 am Sunday 10 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest