Old Harry Sea Conditions and Tide Table

Old Harry 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 07:08 PM.

Days 1–4 Weather Summary

A dusting of snow turning to light rain (total 7mm) on Mon night. Icy conditions (max 7°C on Mon night, min -4°C on Sun morning). Winds increasing (calm on Sun night, near gales from the S by Tue morning).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 2°C on Tue night, min -9°C on Wed morning). Winds decreasing (strong winds from the W on Wed morning, light winds from the SSE by Thu afternoon).

Days 8–10 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 1°C on Sat afternoon, min -8°C on Mon morning). Winds increasing (light winds from the SSE on Fri night, strong winds from the NW by Mon afternoon).

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 1°C on Thu afternoon, min -8°C on Mon night). Winds increasing (light winds from the WNW on Wed night, fresh winds from the SSW by Thu morning).

Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Mon
30
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
AM
Wave Height Map
High Tide
8:53AM0.86m
6:19PM0.89m
9:14AM0.85m
7:16PM0.89m
9:35AM0.84m
8:09PM0.89m
9:49AM0.83m
8:58PM0.89m
9:56AM0.82m
9:46PM0.89m
10:09AM0.84m
10:34PM0.89m
10:31AM0.86m
11:22PM0.88m
10:57AM0.90m
00:14AM0.87m
11:27AM0.94m
1:25AM0.84m
12:01PM0.97m
3:21AM0.83m
12:38PM0.98m
4:46AM0.84m
1:25PM0.98m
6:10AM0.86m
2:40PM0.95m
7:30AM0.89m
4:55PM0.93m
Low Tide
1:02AM0.46m
12:51PM0.74m
1:57AM0.40m
1:35PM0.65m
2:34AM0.34m
2:15PM0.54m
3:04AM0.30m
2:53PM0.44m
3:33AM0.29m
3:32PM0.34m
4:03AM0.30m
4:12PM0.26m
4:33AM0.35m
4:54PM0.20m
5:04AM0.43m
5:37PM0.19m
5:34AM0.52m
6:25PM0.20m
6:04AM0.62m
7:20PM0.26m
6:35AM0.71m
8:32PM0.32m
7:07AM0.79m
9:59PM0.38m
7:53AM0.85m
11:24PM0.42m
11:41AM0.81m
Wave
height (m) 
direction
period (s) 
1.8
ESE
7
1.4
E
8
0.9
ESE
8
0.6
ESE
8
0.4
SE
8
0.7
SSE
3
2.2
SE
6
2.3
SSE
6
2.1
SSE
6
1.1
SE
9
1
W
4
0.9
W
4
0.5
SE
9
0.4
SE
10
0.3
SE
9
0.5
ESE
4
0.6
ESE
4
0.4
ESE
4
0.7
ESE
5
0.7
S
4
1
S
4
1.1
ESE
7
0.8
ESE
9
0.8
ESE
9
0.5
ESE
13
0.7
ESE
12
0.8
NW
4
0.7
ESE
12
0.4
ESE
12
0.4
ESE
11
0.7
NE
4
0.9
NE
5
1.1
ENE
6
1.3
ESE
10
1
ESE
10
0.8
ESE
9
0.9
SSW
4
0.8
SSW
4
0.5
S
4
0.8
NE
5
1.4
NE
7
1.4
NE
8
0.8
NE
7
0.6
ESE
10
0.5
SE
10
0.4
SE
10
0.6
ESE
9
light snow
cloud
cloud
part cloud
cloud
part cloud
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
cloud
clear
part cloud
clear
part cloud
clear
cloud
cloud
snow showers
part cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
light snow
light snow
cloud
part cloud
cloud
part cloud
cloud
light snow
light snow
light snow
part cloud
clear
clear
clear
part cloud
part cloud
cloud
light snow
cloudy
cloudy
some clouds
cloudy
some clouds
light rain
light rain
light rain
some clouds
some clouds
some clouds
some clouds
cloudy
clear
some clouds
clear
some clouds
clear
cloudy
cloudy
snow shwrs
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
light snow
light snow
cloudy
some clouds
cloudy
some clouds
cloudy
light snow
light snow
light snow
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
 km/h
40
NE
25
NNW
25
WNW
10
WSW
15
SSE
35
SSE
55
S
60
S
50
S
35
SW
45
W
40
W
20
W
10
WSW
5
SSE
20
SSE
20
S
15
S
20
S
30
S
35
S
20
WSW
30
NW
35
NW
25
WNW
30
NW
40
NW
25
NW
10
N
10
ENE
30
ENE
30
NNE
30
N
15
SW
30
SSW
25
SW
35
SW
30
SW
15
WSW
30
NNE
40
NNE
35
N
15
NW
15
WNW
10
W
15
S
25
S
 mm 
4
2
1
max°C
-2
-4
-3
-3
-2
1
7
7
7
2
-8
-9
-9
-8
-6
-3
-3
-2
-1
-2
1
-1
-4
-6
-7
-8
-8
-7
-7
-7
-6
-6
-5
-5
-2
1
1
1
1
-4
-7
-7
-5
-5
-4
-3
-3
Moonrise
6:00
6:22
6:40
6:57
7:13
7:31
7:51
8:17
8:51
9:38
10:39
11:52
1:12
2:32
3:50
Moonset
3:14
4:30
5:46
7:04
8:23
9:45
11:10
12:35
1:56
3:06
4:00
4:40
5:09
5:31
5:49
Sunrise
7:18
7:16
7:15
7:13
7:11
7:09
7:07
7:05
7:03
7:01
6:58
6:56
6:54
6:52
6:50
6:48
Sunset
7:08
7:09
7:12
7:13
7:14
7:15
7:16
7:19
7:20
7:22
7:22
7:24
7:25
7:27
7:29
7:30
Today's sea temperature in Old Harry is
-1.5° C
(Statistics for 14 Mar 1981-2005 – mean: -0.6 max: -0.0 min: -1.3°C)
Issued (local time): 8 pm Saturday 14 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest