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 04:27 PM.

Days 1–4 Weather Summary

A dusting of snow turning to light rain (total 5mm) on Tue morning. Icy conditions (max 6°C on Tue night, min -3°C on Wed night). Winds decreasing (fresh winds from the WNW on Tue night, light winds from the WSW by Wed night).

Days 5–7 Weather Summary

A light covering of new snow, mostly falling on Fri night. Becoming milder with moderate rain (total 11mm) heaviest on Sat night. Icy conditions (max 6°C on Sun morning, min -7°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Sun afternoon, min -6°C on Mon afternoon). Mainly fresh winds.

Days 11–13 Weather Summary

A dusting of snow on Wed afternoon. Freezing level rising with drizzle on Thu night. Freeze-thaw conditions (max 3°C on Thu night, min -10°C on Fri night). Mainly fresh winds.

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
00:51AM2.02m
1:00PM2.21m
1:31AM2.05m
1:42PM2.17m
2:14AM2.08m
2:28PM2.11m
3:00AM2.10m
3:19PM2.04m
3:51AM2.12m
4:14PM1.97m
4:45AM2.16m
5:14PM1.91m
5:44AM2.20m
6:17PM1.88m
6:44AM2.26m
7:20PM1.89m
7:43AM2.32m
8:21PM1.89m
8:43AM2.34m
9:21PM1.96m
9:40AM2.40m
10:18PM2.04m
10:36AM2.43m
Low Tide
6:47PM0.03m
6:55AM0.22m
7:25PM0.04m
7:38AM0.21m
8:06PM0.05m
8:24AM0.19m
8:49PM0.06m
9:16AM0.17m
9:37PM0.08m
10:12AM0.13m
10:29PM0.09m
11:13AM0.09m
11:26PM0.09m
12:15PM0.02m
00:26AM0.07m
1:17PM-0.06m
1:26AM0.04m
2:18PM-0.15m
2:27AM0.04m
3:17PM-0.19m
3:26AM-0.02m
4:13PM-0.26m
4:24AM-0.08m
Wave
height (m) 
direction
period (s) 
cloud
cloud
light snow
light rain
part cloud
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
light snow
snow showers
part cloud
cloud
light snow
rain showers
part cloud
part cloud
cloud
clear
clear
part cloud
clear
part cloud
part cloud
light snow
part cloud
part cloud
cloud
rain showers
clear
clear
clear
part cloud
cloudy
cloudy
light snow
light rain
some clouds
clear
clear
some clouds
cloudy
some clouds
some clouds
cloudy
light snow
snow shwrs
some clouds
cloudy
light snow
rain shwrs
some clouds
some clouds
cloudy
clear
clear
some clouds
clear
some clouds
some clouds
light snow
some clouds
some clouds
cloudy
rain shwrs
clear
clear
clear
some clouds
 km/h
15
W
15
WSW
10
S
10
SW
20
W
30
NW
25
NNW
10
WNW
20
WSW
20
W
25
NNW
15
N
10
E
20
ENE
20
ENE
10
E
15
SE
20
WSW
25
W
35
W
35
W
35
WNW
25
WNW
25
WNW
25
WNW
25
WNW
15
WSW
25
WSW
15
W
20
W
20
WSW
25
WSW
30
WNW
30
WNW
20
WNW
25
WNW
 mm 
3
2
8
3
1
max°C
3
3
2
2
6
4
1
-1
3
4
0
-4
-3
-3
-2
0
5
6
5
0
-1
-3
-5
-1
-1
-3
-1
-1
0
2
2
3
-5
-6
-7
-7
Moonrise
9:56
10:22
10:45
11:07
11:29
11:52
12:18
12:51
1:33
2:27
3:34
Moonset
6:50
7:57
9:04
10:12
11:20
12:30
1:44
3:01
4:21
5:40
6:51
7:49
Sunrise
7:15
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:18
7:18
7:18
7:18
Sunset
4:27
4:28
4:28
4:29
4:30
4:30
4:30
4:31
4:32
4:32
4:34
4:35
Today's sea temperature in Black Rock Harbor entrance is
5.5° C
(Statistics for 22 Dec 1981-2005 – mean: 8.0 max: 10.1 min: 6.1°C)
Issued (local time): 6 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest