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 05:26 AM and sunset is at 08:55 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Thu morning. Warm air temperatures (max 24°C on Sat night, min 17°C on Fri morning). Winds increasing (light winds from the SSW on Fri night, fresh winds from the SSW by Sat night).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Sun morning, min 15°C on Sun afternoon). Winds decreasing (strong winds from the W on Mon morning, light winds from the W by Tue morning).

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Very mild (max 18°C on Wed night, min 16°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 24°C on Sun night, min 18°C on Sat morning). Winds decreasing (fresh winds from the WSW on Sun morning, calm by Mon morning).

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
9:20PM0.83m
6:38AM0.91m
10:06PM0.83m
7:24AM0.92m
10:45PM0.82m
8:09AM0.93m
11:23PM0.81m
8:56AM0.94m
11:59PM0.80m
9:44AM0.95m
00:33AM0.80m
10:34AM0.95m
1:04AM0.81m
11:25AM0.95m
1:29AM0.84m
12:19PM0.92m
1:46AM0.87m
1:22PM0.89m
2:07AM0.90m
3:10PM0.85m
2:42AM0.93m
5:04PM0.84m
3:37AM0.95m
Low Tide
1:06PM0.36m
1:06AM0.74m
1:59PM0.28m
1:52AM0.69m
2:50PM0.19m
2:34AM0.64m
3:37PM0.12m
3:14AM0.60m
4:20PM0.09m
3:56AM0.56m
5:01PM0.09m
4:41AM0.53m
5:40PM0.14m
5:30AM0.51m
6:17PM0.23m
6:29AM0.50m
6:54PM0.35m
7:41AM0.48m
7:31PM0.49m
8:56AM0.46m
8:12PM0.63m
10:01AM0.44m
9:24PM0.74m
Wave
height (m) 
direction
period (s) 
0.7
S
4
0.6
S
4
0.7
S
4
0.6
S
4
0.6
WSW
3
0.3
SE
11
0.4
SSW
3
0.5
S
4
0.9
SSW
4
0.6
S
4
0.7
W
3
0.7
W
4
1
W
4
0.8
W
4
0.4
SW
3
0.2
ESE
10
0.2
ESE
10
0.2
ESE
14
0.2
ESE
14
0.2
ESE
14
0.1
SE
13
0.1
SE
13
0.3
S
3
0.6
SSW
4
0.3
S
4
0.4
SE
12
0.2
ESE
12
0.2
ESE
6
0.2
ESE
6
0.4
SSW
3
0.9
SW
4
0.7
SW
4
0.3
SSW
4
0.2
S
4
0.3
SSW
2
0.7
SW
4
light rain
rain showers
rain showers
part cloud
clear
clear
clear
clear
part cloud
cloud
clear
clear
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
light rain
light rain
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
light rain
rain shwrs
rain shwrs
some clouds
clear
clear
clear
clear
some clouds
cloudy
clear
clear
some clouds
clear
some clouds
cloudy
some clouds
clear
some clouds
some clouds
clear
clear
some clouds
light rain
light rain
some clouds
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
 km/h
25
SSW
25
SSW
30
SW
25
WSW
25
WSW
15
SW
20
SSW
25
SW
40
SSW
20
SW
35
W
35
W
45
W
35
W
20
SW
15
W
15
NW
15
WNW
20
WNW
15
W
10
SW
15
S
15
SSW
30
SSW
15
WSW
20
WNW
15
WNW
10
WNW
10
WSW
25
SSW
35
WSW
30
W
15
W
5
SSE
20
SW
35
WSW
 mm 
1.0
1.0
1.0
1.0
1.0
max°C
19
19
20
18
18
22
19
22
24
18
16
17
15
16
18
16
16
16
17
17
18
18
18
18
18
18
18
18
19
20
19
22
24
20
22
24
Moonrise
7:16
8:16
9:04
9:39
10:06
10:28
10:46
11:04
11:21
11:40
12:03
Moonset
1:54
2:43
3:48
5:05
6:30
7:56
9:21
10:44
12:05
1:26
2:48
4:09
Sunrise
5:26
5:28
5:28
5:30
5:31
5:33
5:33
5:35
5:35
5:37
5:39
5:39
Sunset
8:55
8:54
8:53
8:52
8:52
8:51
8:49
8:47
8:46
8:45
8:44
8:43
Today's sea temperature in Old Harry is 18.7 °C (Statistics for 18 Jul 1981-2005 – mean: 15.8 max: 17.3 min: 12.8°C)
Nearest