Black Rock Harbor entrance Sea Conditions and Tide Table

Black Rock Harbor entrance 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 06:22 AM and sunset is at 05:45 PM.

Days 1–3 Weather Summary

Mild at first with light rain (total 5mm) on Thu morning followed by colder weather and light fall of snow, heaviest on Thu night. Icy conditions (max 4°C on Wed afternoon, min -3°C on Tue morning). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Sat night. Icy conditions (max 12°C on Sun afternoon, min -1°C on Fri afternoon). Wind will be generally light.

Days 7–9 Weather Summary

Mild at first with light rain (total 4mm) on Tue afternoon followed by colder weather and light fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 22°C on Tue morning, min -1°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

A dusting of snow. Milder later with heavy rain (total 32mm) on Sat afternoon. Freeze-thaw conditions (max 7°C on Sat afternoon, min -3°C on Thu night). Wind will be generally light.

Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wed
18
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
High Tide
11:01AM2.26m
11:21PM2.26m
11:44AM2.21m
00:02AM2.25m
12:25PM2.14m
00:41AM2.22m
1:05PM2.04m
1:21AM2.16m
1:46PM1.95m
2:02AM2.10m
2:29PM1.86m
3:46AM2.03m
3:15PM1.78m
3:34AM1.97m
4:07PM1.74m
4:28AM1.93m
5:03PM1.73m
5:25AM1.92m
6:02PM1.76m
6:23AM1.96m
6:58PM1.84m
7:18AM2.02m
7:49PM1.94m
8:08AM2.09m
8:35PM2.05m
8:55AM2.17m
9:18PM2.16m
9:39AM2.23m
Low Tide
5:16PM-0.19m
5:38AM-0.25m
5:56PM-0.17m
6:20AM-0.23m
6:35PM-0.11m
7:02AM-0.17m
7:14PM-0.03m
7:43AM-0.07m
7:54PM0.08m
8:27AM0.05m
8:37PM0.20m
9:13AM0.17m
9:24PM0.32m
10:04AM0.28m
10:16PM0.41m
11:00AM0.35m
11:14PM0.47m
11:57AM0.37m
00:14AM0.47m
12:53PM0.34m
1:10AM0.40m
1:44PM0.27m
2:02AM0.29m
2:31PM0.17m
2:49AM0.15m
3:14PM0.06m
3:34AM0.00m
3:55PM-0.04m
Wave
height (m) 
direction
period (s) 
light snow
light snow
snow showers
part cloud
part cloud
light rain
light rain
cloud
mod snow
cloud
cloud
cloud
cloud
cloud
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
part cloud
light rain
light snow
heavy snow
light snow
part cloud
part cloud
cloud
cloud
light rain
mod rain
heavy rain
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
light snow
light snow
snow shwrs
some clouds
some clouds
light rain
light rain
cloudy
mod snow
cloudy
cloudy
cloudy
cloudy
cloudy
rain shwrs
clear
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
some clouds
light rain
light snow
heavy snow
light snow
some clouds
some clouds
cloudy
cloudy
light rain
mod rain
heavy rain
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
some clouds
some clouds
some clouds
clear
 km/h
10
ESE
15
E
15
WSW
5
N
5
W
5
W
5
ENE
10
NE
10
NE
15
NE
15
NE
10
ENE
5
SSE
5
SSW
15
WSW
10
NW
10
W
10
SW
5
SW
15
SSW
10
SSW
15
WSW
15
NW
10
ENE
20
ENE
20
ENE
15
NE
15
NNE
15
N
10
NE
15
ESE
15
ESE
10
NE
5
SW
5
E
25
ENE
25
NE
25
NE
20
NE
15
NE
0
NNE
15
SSW
25
SW
25
WNW
25
NW
30
NW
30
NW
 mm 
1
1
3
4
1
2
1
1
6
20
5
max°C
-2
1
3
3
4
3
2
2
0
0
-1
0
3
6
11
9
12
9
15
15
11
22
19
13
4
2
0
0
2
1
1
1
4
6
7
6
2
3
-1
2
4
4
18
18
4
3
3
Moonrise
6:13
7:20
8:25
9:30
10:35
12:40
1:42
2:40
3:33
4:18
4:56
5:28
5:55
6:19
6:41
Moonset
6:25
6:47
7:07
7:28
7:51
9:18
9:49
10:27
11:13
12:07
1:08
2:14
3:22
4:32
5:42
6:53
Sunrise
6:22
6:22
6:20
6:18
6:16
7:15
6:13
6:11
6:11
6:09
6:07
6:05
6:03
6:01
6:01
5:58
Sunset
5:45
5:46
5:47
5:49
5:50
6:51
5:52
5:53
5:54
5:55
5:57
5:58
5:59
6:00
6:00
6:01
Today's sea temperature in Black Rock Harbor entrance is
1.1° C
(Statistics for 03 Mar 1981-2005 – mean: 3.9 max: 5.8 min: 2.5°C)
Issued (local time): 12 pm Tuesday 03 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
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