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 — and sunset is at 05:45 PM.

Days 1–4 Weather Summary

A light covering of new snow, mostly falling on Tue afternoon. Becoming milder with moderate rain (total 19mm) heaviest on Tue night. Icy conditions (max 5°C on Wed afternoon, min -4°C on Mon afternoon). Wind will be generally light.

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Thu night. Becoming mild with drizzle, on Sat night. Icy conditions (max 13°C on Sun morning, min -2°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 11mm), heaviest on Sun night. Very mild (max 17°C on Mon afternoon, min 3°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 3mm) on Thu afternoon. Becoming colder with heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 13°C on Wed afternoon, min -2°C on Fri morning). Winds decreasing (fresh winds from the SSW on Thu morning, calm by Sat morning).

Mon
2
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
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
night
Wave Height Map
High Tide
10:38PM2.22m
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
Low Tide
4:33PM-0.17m
4:53AM-0.22m
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
Wave
height (m) 
direction
period (s) 
clear
part cloud
light snow
light snow
heavy rain
cloud
part cloud
light rain
light snow
cloud
mod snow
cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
mod rain
clear
rain showers
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
cloud
light snow
heavy snow
light snow
cloud
part cloud
part cloud
cloud
cloud
light snow
cloud
cloud
light rain
cloud
cloud
cloud
clear
some clouds
light snow
light snow
heavy rain
cloudy
some clouds
light rain
light snow
cloudy
mod snow
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
cloudy
cloudy
mod rain
clear
rain shwrs
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
light rain
cloudy
light snow
heavy snow
light snow
cloudy
some clouds
some clouds
cloudy
cloudy
light snow
cloudy
cloudy
light rain
cloudy
cloudy
cloudy
 km/h
5
SSE
5
SSE
10
ESE
10
E
10
WSW
10
N
5
WNW
0
NW
10
E
10
ENE
20
ENE
20
NE
20
NE
15
ENE
5
SE
10
SSW
15
SW
10
WNW
5
NW
5
SW
15
SW
25
SW
20
WNW
10
NW
10
SSE
20
S
25
SSW
20
SSW
25
SSW
30
SSW
20
WNW
10
N
25
ENE
25
ENE
20
NE
0
NW
10
SW
10
N
15
NNE
20
E
25
E
15
ENE
5
SE
20
SSW
20
NNW
15
N
10
NE
 mm 
2
11
4
2
1
9
2
3
5
max°C
-3
-3
0
2
4
4
5
3
2
2
2
0
0
-1
2
5
11
13
13
11
16
17
10
7
8
7
13
13
11
13
9
2
-2
-2
-1
3
8
10
5
3
0
4
11
13
5
5
5
Moonrise
5:04
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
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
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
Sunset
5:45
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
Today's sea temperature in Black Rock Harbor entrance is
0.7° C
(Statistics for 02 Mar 1981-2005 – mean: 3.9 max: 5.8 min: 2.1°C)
Issued (local time): 6 pm Monday 02 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
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