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 07:13 AM and sunset is at 04:25 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 4°C on Sat night, min -4°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Tue morning. Becoming milder with light rain (total 4mm) on Thu night. Icy conditions (max 4°C on Thu night, min -1°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 6mm), mostly falling on Fri morning. Freeze-thaw conditions (max 8°C on Fri afternoon, min -9°C on Sat night). Winds decreasing (fresh winds from the WNW on Fri afternoon, light winds from the WNW by Sun afternoon).

Days 10–12 Weather Summary

Heavy rain (total 23mm), heaviest during Mon night. Freeze-thaw conditions (max 6°C on Mon night, min -2°C on Tue night). Winds decreasing (fresh winds from the SSW on Mon night, calm by Thu morning).

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
11:05AM2.23m
11:35PM1.96m
11:43AM2.24m
00:13AM1.99m
12:21PM2.23m
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
Low Tide
5:33PM0.02m
5:37AM0.23m
6:10PM0.02m
6:15AM0.23m
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
Wave
height (m) 
direction
period (s) 
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
light snow
light snow
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
rain showers
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
heavy rain
light rain
part cloud
clear
clear
part cloud
cloud
clear
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
light snow
light snow
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
light rain
rain shwrs
clear
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
heavy rain
light rain
some clouds
clear
clear
some clouds
cloudy
 km/h
10
WSW
15
SW
25
SW
25
W
30
WNW
25
NW
15
WNW
15
W
15
WSW
10
SSW
5
WSW
10
NNW
20
NNE
0
NNE
10
WSW
15
SW
10
SW
5
SSW
10
SW
20
WSW
25
NW
25
NNW
25
NNW
10
NNW
10
NW
10
W
10
W
10
WSW
10
SW
15
S
20
SW
15
NW
25
NNW
15
N
10
NNE
10
NNE
 mm 
4
5
1
21
2
max°C
1
1
4
4
1
-1
1
2
2
1
1
1
1
2
1
3
3
4
6
8
4
-5
-6
-8
-4
-3
-1
1
2
6
4
5
1
3
3
3
Moonrise
8:05
8:49
9:26
9:56
10:22
10:45
11:07
11:29
11:52
12:18
12:51
1:33
Moonset
4:42
5:44
6:50
7:57
9:04
10:12
11:20
12:30
1:44
3:01
4:21
Sunrise
7:13
7:13
7:15
7:15
7:16
7:16
7:16
7:16
7:16
7:16
7:16
7:18
Sunset
4:25
4:27
4:27
4:28
4:28
4:29
4:30
4:30
4:30
4:31
4:32
4:32
Today's sea temperature in Black Rock Harbor entrance is
5.8° C
(Statistics for 20 Dec 1981-2005 – mean: 8.2 max: 10.1 min: 6.7°C)
Issued (local time): 12 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest