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 07:11 AM and sunset is at 04:23 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 4°C on Wed morning, min -6°C on Mon morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 20mm), heaviest during Fri morning. Icy conditions (max 14°C on Thu night, min -4°C on Fri night). Winds increasing (light winds from the S on Thu morning, strong winds from the S by Thu night).

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Tue night. Freeze-thaw conditions (max 7°C on Sun morning, min -3°C on Sun night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 29mm), heaviest during Fri morning. Freeze-thaw conditions (max 10°C on Wed afternoon, min -3°C on Fri night). Winds increasing (light winds from the NE on Thu afternoon, fresh winds from the WNW by Fri afternoon).

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
7:42AM2.08m
8:12PM1.81m
8:27AM2.12m
8:58PM1.83m
9:10AM2.15m
9:40PM1.86m
9:50AM2.19m
10:20PM1.89m
10:28AM2.21m
10:58PM1.93m
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
Low Tide
2:10PM0.13m
2:16AM0.24m
2:56PM0.09m
3:00AM0.24m
3:39PM0.06m
3:41AM0.23m
4:18PM0.04m
4:21AM0.23m
4:56PM0.02m
4:59AM0.23m
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
Wave
height (m) 
direction
period (s) 
part cloud
cloud
part cloud
clear
cloud
clear
clear
part cloud
part cloud
clear
part cloud
light rain
rain showers
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
cloud
clear
clear
cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
heavy rain
rain showers
part cloud
some clouds
cloudy
some clouds
clear
cloudy
clear
clear
some clouds
some clouds
clear
some clouds
light rain
rain shwrs
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
clear
cloudy
clear
clear
cloudy
cloudy
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
heavy rain
rain shwrs
some clouds
 km/h
20
NW
20
WNW
20
WSW
10
WNW
15
SW
25
SW
20
SW
25
WSW
15
NW
5
S
10
SSE
30
S
25
W
35
W
30
WNW
10
NW
15
SSW
25
SSW
25
WSW
20
W
25
WNW
15
NNW
10
NNW
5
NNW
15
SSE
5
SW
10
SW
15
WSW
10
SW
20
NW
20
N
5
NE
15
SE
25
SE
25
WSW
35
WNW
 mm 
4
16
3
4
24
1
max°C
-3
-3
-3
-2
-2
0
4
4
4
6
8
14
8
4
-2
-1
1
4
7
7
0
-1
-1
-2
3
4
5
8
10
8
0
2
6
10
9
4
Moonrise
3:07
4:10
5:13
6:15
7:13
8:05
8:49
9:26
9:56
10:22
10:45
11:07
Moonset
1:22
1:49
2:20
2:59
3:47
4:42
5:44
6:50
7:57
9:04
10:12
11:20
Sunrise
7:11
7:11
7:11
7:13
7:13
7:13
7:13
7:15
7:15
7:16
7:16
7:16
Sunset
4:23
4:24
4:24
4:24
4:25
4:25
4:27
4:27
4:28
4:28
4:29
4:30
Today's sea temperature in Black Rock Harbor entrance is
7.2° C
(Statistics for 15 Dec 1981-2005 – mean: 8.8 max: 11.6 min: 7.2°C)
Issued (local time): 12 pm Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest