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 05:35 AM and sunset is at 08:47 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 21°C on Sun night, min 14°C on Mon afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Wed afternoon, min 17°C on Wed morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 21°C on Sat night, min 17°C on Mon morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 20°C on Tue night, min 16°C on Thu afternoon). Wind will be generally light.

Days 13–16 Weather Summary

Some drizzle, heaviest during Fri night. Warm (max 24°C on Mon night, min 16°C on Fri night). Winds increasing (light winds from the NW on Sat morning, strong winds from the SSW by Mon morning).

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Mon
10
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
6:06AM0.91m
9:43PM0.85m
6:50AM0.90m
10:13PM0.83m
7:33AM0.90m
10:45PM0.81m
8:16AM0.89m
11:15PM0.79m
8:58AM0.88m
11:44PM0.78m
9:39AM0.88m
00:08AM0.77m
10:21AM0.88m
00:12AM0.79m
11:04AM0.89m
00:11AM0.82m
11:49AM0.89m
00:30AM0.86m
12:36PM0.88m
00:56AM0.90m
1:31PM0.86m
1:27AM0.94m
3:01PM0.82m
2:04AM0.96m
5:38PM0.83m
2:59AM0.97m
7:17PM0.85m
8:44PM0.88m
Low Tide
1:38PM0.40m
1:17AM0.75m
2:40PM0.33m
1:59AM0.69m
3:24PM0.27m
2:37AM0.63m
3:54PM0.22m
3:14AM0.57m
4:19PM0.19m
3:51AM0.53m
4:45PM0.19m
4:28AM0.50m
5:11PM0.22m
5:08AM0.48m
5:38PM0.28m
5:51AM0.47m
6:05PM0.36m
6:39AM0.47m
6:35PM0.47m
7:35AM0.46m
7:07PM0.58m
8:43AM0.45m
7:41PM0.69m
9:58AM0.43m
8:22PM0.78m
11:10AM0.39m
11:03PM0.83m
12:20PM0.34m
Wave
Height (m)
Direction
Period (s)
0.2
ESE
12
0.2
ESE
12
0.3
ESE
3
0.3
SE
11
0.4
ESE
3
0.7
ESE
4
0.4
ESE
4
0.4
SE
8
0.4
ESE
7
0.4
ESE
7
0.4
SE
6
0.3
ESE
6
0.2
ESE
6
0.2
ESE
6
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
SE
9
0.2
ESE
6
0.3
SSE
2
0.6
S
4
0.4
S
4
0.4
SSE
3
0.8
S
4
0.5
S
4
0.4
SE
4
0.4
SE
4
0.3
SE
6
0.4
SE
6
0.4
SSE
4
0.3
ESE
6
0.8
ESE
4
0.7
ESE
8
0.6
ESE
8
0.7
ESE
4
0.5
ESE
8
0.4
ESE
8
0.5
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.3
ESE
8
0.3
ESE
8
0.4
ESE
8
1.1
S
4
1.1
S
5
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
rain showers
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
cloudy
cloudy
rain shwrs
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
km/h
10
SSW
5
S
15
ESE
15
E
20
E
25
ESE
15
SE
15
ESE
15
SE
10
SSW
15
S
15
SE
10
S
10
SW
5
NE
5
N
5
N
10
S
10
S
15
SSW
15
S
25
SSW
15
SSW
20
S
25
S
15
SW
15
SSW
10
S
10
SSE
15
SSE
15
S
15
ESE
25
ESE
15
SSE
15
ESE
15
SE
15
S
10
SSW
15
W
5
NW
10
W
10
NW
15
W
10
W
25
SSW
40
SSW
35
SSW
 mm
1
max °C
20
20
21
19
17
16
16
16
17
17
18
18
18
18
18
17
17
18
18
20
21
19
21
21
17
20
19
18
18
20
17
19
20
17
16
20
17
17
17
16
17
17
17
17
19
18
23
Moonrise
7:27
8:06
8:37
9:01
9:20
9:37
9:53
10:08
10:25
10:44
11:08
11:40
12:24
1:24
2:39
Moonset
2:07
3:04
4:09
5:18
6:30
7:41
8:52
10:04
11:17
12:32
1:52
3:13
4:34
5:47
6:46
7:30
Sunrise
5:35
5:35
5:37
5:39
5:39
5:41
5:41
5:43
5:45
5:46
5:47
5:48
5:50
5:50
5:52
5:54
Sunset
8:47
8:46
8:45
8:44
8:43
8:42
8:39
8:38
8:37
8:36
8:35
8:32
8:31
8:30
8:28
8:27
Today's sea temperature in Old Harry is
14.9° C
(Statistics for 26 Jul 1981-2005 – mean: 16.7 max: 18.4 min: 13.5°C)
Issued (local time): 2 am Sunday 26 Jul 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest