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 — and sunset is at 04:13 PM.

Days 1–4 Weather Summary

A dusting of new snow. Icy conditions (max 5°C on Sat night, min -5°C on Sun night). Winds decreasing (fresh winds from the SSW on Sat night, light winds from the WSW by Tue morning).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Thu night. Cool air temperatures (max 10°C on Fri morning, min 1°C on Tue afternoon). Winds increasing (calm on Wed morning, fresh winds from the WSW by Fri morning).

Days 8–10 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Freeze-thaw conditions (max 9°C on Fri afternoon, min -6°C on Fri night). Winds decreasing (strong winds from the WNW on Fri afternoon, light winds from the ESE by Sat night).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Mon afternoon, min -2°C on Tue morning). Winds decreasing (strong winds from the N on Mon night, calm by Wed night).

Sat
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thu
1
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
Wave Height Map
High Tide
11:54PM2.40m
11:56AM2.82m
00:32AM2.41m
12:35PM2.83m
1:11AM2.43m
1:16PM2.83m
1:52AM2.47m
1:59PM2.81m
2:36AM2.53m
2:45PM2.78m
3:22AM2.60m
3:36PM2.72m
4:12AM2.68m
4:32PM2.66m
5:04AM2.78m
5:31PM2.61m
5:59AM2.90m
6:32PM2.59m
6:56AM3.02m
7:34PM2.60m
7:53AM3.15m
8:33PM2.63m
8:48AM3.25m
Low Tide
5:41PM0.16m
5:43AM0.51m
6:20PM0.14m
6:22AM0.49m
6:59PM0.12m
7:04AM0.47m
7:40PM0.11m
7:48AM0.45m
8:23PM0.11m
8:35AM0.41m
9:08PM0.12m
9:27AM0.37m
9:56PM0.14m
10:23AM0.30m
10:46PM0.18m
11:21AM0.22m
11:40PM0.20m
12:21PM0.10m
00:36AM0.21m
1:21PM-0.03m
1:32AM0.19m
2:20PM-0.16m
2:28AM0.17m
Wave
height (m) 
direction
period (s) 
0.4
E
12
0.8
S
4
0.6
SW
4
1
NW
4
1.2
NW
5
1.4
NNW
6
1.1
N
6
0.5
N
5
0.4
SW
2
0.2
E
10
0.8
NE
4
0.9
ENE
6
0.5
ENE
6
0.4
ENE
6
0.6
SW
3
0.5
SW
3
0.3
E
9
0.7
S
3
0.9
W
4
1.7
NNW
6
1.1
NNE
7
1.1
NE
6
0.6
NE
6
0.4
NE
5
0.7
SE
4
0.7
ESE
4
0.9
NE
4
1.3
NNE
5
2.4
NNE
7
3
NE
8
2.5
NE
8
2
NE
9
1.7
ENE
9
1.3
ENE
10
1.2
ENE
12
0.9
ENE
12
part cloud
part cloud
clear
clear
clear
clear
part cloud
light snow
light snow
cloud
light rain
part cloud
part cloud
cloud
part cloud
cloud
light rain
cloud
clear
clear
part cloud
cloud
part cloud
cloud
cloud
rain showers
cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
some clouds
some clouds
clear
clear
clear
clear
some clouds
light snow
light snow
cloudy
light rain
some clouds
some clouds
cloudy
some clouds
cloudy
light rain
cloudy
clear
clear
some clouds
cloudy
some clouds
cloudy
cloudy
rain shwrs
cloudy
cloudy
clear
clear
clear
clear
clear
clear
some clouds
some clouds
 km/h
15
WSW
35
SSW
25
WSW
30
WNW
35
WNW
30
NW
25
NW
15
WSW
20
WSW
5
NE
20
ENE
15
ENE
5
WNW
15
SW
25
SW
20
SW
15
SW
25
SSW
40
WNW
35
NW
15
N
10
NE
10
SSE
20
SSE
25
SSE
20
ESE
25
NNE
30
N
45
N
45
NNE
35
NNE
25
NNE
20
NNE
15
N
5
NE
5
N
 mm 
2
2
3
max°C
2
5
5
1
-1
-1
-1
1
1
2
3
2
1
1
5
4
7
10
9
0
-4
-4
-2
1
2
5
5
4
2
-1
-1
-1
-1
0
2
3
Moonrise
8:42
9:19
9:48
10:14
10:36
10:57
11:18
11:40
12:06
12:38
1:19
2:12
Moonset
4:27
5:30
6:36
7:44
8:52
10:00
11:09
12:20
1:34
2:53
4:14
5:33
Sunrise
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:09
7:09
7:09
7:09
Sunset
4:13
4:13
4:14
4:15
4:15
4:15
4:15
4:16
4:17
4:19
4:19
4:20
Today's sea temperature in Brant Rock, Green Harbor River is
6.6° C
(Statistics for 20 Dec 1981-2005 – mean: 7.4 max: 8.9 min: 5.7°C)
Issued (local time): 6 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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