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 07:05 AM and sunset is at 04:13 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 6°C on Sat night, min -5°C on Sun night). Winds decreasing (fresh winds from the SW on Sat night, light winds from the SSW by Mon night).

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Tue morning. Becoming milder with light rain (total 8mm) on Tue night. Icy conditions (max 5°C on Thu night, min -1°C on Wed afternoon). Winds decreasing (fresh winds from the ENE on Tue night, calm by Wed afternoon).

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Freeze-thaw conditions (max 8°C on Fri afternoon, min -9°C on Sat night). Winds increasing (light winds from the S on Fri morning, strong winds from the NW by Fri night).

Days 10–12 Weather Summary

Moderate rain (total 13mm), heaviest on Mon night. Freeze-thaw conditions (max 7°C on Tue morning, min -2°C on Mon morning). Winds decreasing (fresh winds from the S on Mon night, calm by Wed night).

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
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
Wave Height Map
High Tide
11:18AM2.80m
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
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) 
0.8
NNW
5
0.4
E
12
0.9
S
4
0.7
SW
4
1.1
NW
4
1.2
NNW
5
1.4
NNW
6
0.9
N
5
0.5
N
4
0.2
E
10
0.5
SE
3
1
E
4
1.6
NE
7
1.2
ENE
7
0.7
E
7
0.7
E
8
0.7
E
9
0.6
E
11
0.5
E
11
0.5
ENE
10
1.4
NW
5
1.9
NNW
6
1.8
N
6
1.1
NNE
6
0.7
NNE
5
0.4
NNE
5
0.3
ENE
11
0.3
W
2
0.1
E
12
0.2
ENE
11
1
S
4
0.5
WSW
3
1.5
N
6
2.4
NNE
8
2.1
NE
8
1.5
ENE
10
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
light snow
light snow
light snow
light snow
part cloud
clear
part cloud
clear
cloud
cloud
light rain
cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
mod rain
light rain
rain showers
part cloud
cloud
cloud
part cloud
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
light snow
light snow
light snow
light snow
some clouds
clear
some clouds
clear
cloudy
cloudy
light rain
cloudy
clear
some clouds
clear
clear
clear
clear
clear
clear
cloudy
mod rain
light rain
rain shwrs
some clouds
cloudy
cloudy
some clouds
 km/h
20
WNW
15
WSW
35
SSW
25
WSW
30
WNW
35
WNW
30
NW
20
WNW
15
W
10
SSW
20
ESE
30
E
25
NE
10
NNW
20
SW
25
WSW
20
WSW
10
S
15
S
20
SW
40
NW
40
NW
35
NNW
20
NW
15
NW
15
WNW
20
WSW
15
W
5
WSW
15
SSW
35
S
25
WNW
30
NNW
35
NNE
30
NNE
10
NE
 mm 
2
6
2
7
5
1
max°C
1
2
6
5
1
-1
-1
1
0
1
2
3
2
0
0
3
3
5
7
8
6
-6
-6
-8
-5
-3
-3
1
2
5
7
5
2
3
4
5
Moonrise
7:58
8:42
9:19
9:48
10:14
10:36
10:57
11:18
11:40
12:06
12:38
1:19
Moonset
4:27
5:30
6:36
7:44
8:52
10:00
11:09
12:20
1:34
2:53
4:14
Sunrise
7:05
7:07
7:07
7:07
7:07
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): 12 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest