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 05:52 AM and sunset is at 07:46 PM.

Days 1–3 Weather Summary

Light rain (total 8mm), mostly falling on Wed night. Cool air temperatures (max 14°C on Wed afternoon, min 7°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 17°C on Mon afternoon, min 6°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 14mm), heaviest on Tue night. Very mild (max 17°C on Tue afternoon, min 8°C on Thu night). Winds decreasing (fresh winds from the SW on Tue afternoon, light winds from the SE by Wed afternoon).

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 16°C on Fri afternoon, min 6°C on Sun night). Wind will be generally light.

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
10:36AM2.10m
10:48PM2.32m
11:18AM2.08m
11:27PM2.32m
11:56AM2.05m
00:05AM2.31m
12:34PM2.03m
00:41AM2.28m
1:11PM2.00m
1:18AM2.25m
1:48PM1.99m
1:56AM2.21m
2:27PM1.98m
2:35AM2.17m
3:09PM1.97m
3:19AM2.13m
3:54PM1.98m
4:06AM2.09m
4:43PM2.00m
4:58AM2.05m
5:35PM2.04m
5:53AM2.04m
6:27PM2.10m
6:50AM2.04m
7:20PM2.18m
7:46AM2.05m
8:11PM2.27m
8:40AM2.08m
Low Tide
4:41PM0.08m
5:13AM-0.12m
5:21PM0.09m
5:53AM-0.11m
5:59PM0.12m
6:30AM-0.08m
6:36PM0.17m
7:08AM-0.02m
7:13PM0.23m
7:45AM0.06m
7:50PM0.30m
8:23AM0.14m
8:31PM0.38m
9:04AM0.22m
9:14PM0.45m
9:47AM0.28m
10:02PM0.49m
10:34AM0.33m
10:55PM0.49m
11:24AM0.34m
11:51PM0.46m
12:15PM0.33m
00:48AM0.37m
1:08PM0.28m
1:44AM0.25m
1:59PM0.21m
2:38AM0.10m
2:50PM0.13m
Wave
height (m) 
direction
period (s) 
cloud
cloud
mod rain
light rain
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
mod rain
cloud
part cloud
part cloud
cloud
light rain
rain showers
clear
part cloud
clear
cloud
rain showers
clear
clear
part cloud
clear
clear
cloud
clear
part cloud
cloud
part cloud
clear
part cloud
clear
clear
part cloud
cloudy
cloudy
mod rain
light rain
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
mod rain
cloudy
some clouds
some clouds
cloudy
light rain
rain shwrs
clear
some clouds
clear
cloudy
rain shwrs
clear
clear
some clouds
clear
clear
cloudy
clear
some clouds
cloudy
some clouds
clear
some clouds
clear
clear
some clouds
 km/h
10
E
10
S
10
SSE
5
SSE
10
NW
10
NNW
20
WNW
20
NW
5
NW
10
WSW
10
WSW
10
N
20
W
20
NW
10
W
15
SW
25
SSW
25
SSW
30
SSW
20
SSW
10
WSW
10
NE
10
SE
10
SE
10
SSE
15
S
30
WNW
25
WNW
25
WNW
10
WNW
20
W
20
WNW
15
WNW
20
WNW
25
WNW
15
WNW
15
WNW
20
NW
10
NNW
10
ENE
20
E
10
ENE
15
ENE
10
E
10
WNW
5
NW
5
S
 mm 
7
1
9
2
3
2
max°C
12
14
12
10
12
11
11
14
11
11
14
12
10
12
11
14
17
14
16
17
15
11
15
14
15
16
17
13
16
13
14
14
12
12
16
13
13
16
13
12
13
11
10
12
11
16
20
Moonrise
6:05
7:09
8:14
9:18
10:19
11:16
12:06
12:49
1:24
1:54
2:20
2:43
3:05
3:27
3:51
Moonset
4:37
4:58
5:22
5:50
6:23
7:03
7:51
8:46
9:47
10:51
11:56
1:02
2:10
3:19
4:30
5:46
Sunrise
5:52
5:52
5:50
5:48
5:48
5:47
5:46
5:45
5:43
5:41
5:41
5:39
5:39
5:37
5:37
5:35
Sunset
7:46
7:47
7:49
7:50
7:51
7:52
7:52
7:53
7:54
7:55
7:57
7:58
7:59
8:00
8:00
8:01
Today's sea temperature in Black Rock Harbor entrance is
9.4° C
(Statistics for 29 Apr 1981-2005 – mean: 8.2 max: 9.7 min: 6.2°C)
Issued (local time): 1 am Wednesday 29 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest