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 07:22 AM and sunset is at 05:15 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 2°C on Fri morning, min -10°C on Sun night). Winds decreasing (strong winds from the SW on Fri morning, light winds from the NW by Sun afternoon).

Days 4–6 Weather Summary

A dusting of new snow. Air temperatures will be well below freezing (max -8°C on Mon afternoon, min -11°C on Tue afternoon). Winds decreasing (strong winds from the WNW on Tue night, moderate winds from the WNW by Wed night).

Days 7–9 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -4°C on Fri afternoon, min -10°C on Thu afternoon). Winds increasing (calm on Fri afternoon, fresh winds from the WNW by Sat morning).

Days 10–12 Weather Summary

A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 2°C on Sun night, min -10°C on Tue morning). Mainly severe gales.

Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
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
5:04AM0.84m
2:23PM0.96m
7:51AM0.87m
3:58PM0.95m
8:20AM0.89m
5:10PM0.95m
8:50AM0.89m
6:09PM0.94m
9:20AM0.87m
7:02PM0.92m
9:50AM0.84m
7:51PM0.90m
10:18AM0.82m
8:36PM0.89m
10:45AM0.80m
9:18PM0.87m
11:04AM0.79m
9:57PM0.86m
11:02AM0.80m
10:36PM0.85m
11:03AM0.82m
11:16PM0.84m
11:21AM0.86m
11:58PM0.83m
Low Tide
7:21AM0.81m
10:32PM0.39m
10:30AM0.84m
11:48PM0.36m
11:43AM0.81m
1:15AM0.32m
12:41PM0.75m
2:23AM0.26m
1:27PM0.67m
3:06AM0.22m
2:07PM0.59m
3:37AM0.20m
2:44PM0.52m
3:57AM0.21m
3:21PM0.46m
4:13AM0.24m
3:58PM0.42m
4:30AM0.30m
4:36PM0.41m
4:49AM0.38m
5:15PM0.41m
5:10AM0.47m
5:56PM0.43m
Wave
height (m) 
direction
period (s) 
1.3
ESE
8
0.8
SE
9
0.8
W
3
0.7
W
3
0.7
W
3
0.4
W
3
0.2
ESE
9
0.2
ESE
9
0.7
N
3
0.6
NNE
6
0.6
NNE
6
0.4
ESE
9
0.5
WNW
3
0.7
WNW
3
0.8
WNW
4
0.5
NW
3
0.4
NW
3
0.3
WNW
2
0.3
WNW
2
0.3
WNW
3
0.1
NE
4
0.4
ESE
3
0.4
ESE
4
0.5
ESE
5
0.7
ESE
8
0.6
ESE
8
0.3
ESE
8
0.4
SE
8
1.8
ESE
6
2.5
ESE
9
1.7
ENE
10
1.5
ENE
10
1
NE
9
0.7
W
3
0.5
W
3
0.2
ESE
16
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light snow
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light snow
cloud
part cloud
part cloud
cloud
cloud
light snow
mod snow
heavy snow
light snow
cloud
cloud
cloud
cloud
cloud
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
cloudy
some clouds
some clouds
cloudy
cloudy
light snow
mod snow
heavy snow
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
 km/h
40
WSW
35
W
45
W
40
W
45
W
25
W
15
W
25
N
35
NNW
35
NW
35
WNW
30
WNW
40
W
40
WNW
40
WNW
30
NW
30
NW
25
W
30
WNW
20
WNW
10
S
25
SE
5
SE
35
WNW
40
WNW
35
WNW
15
WSW
25
ESE
65
ESE
5
WSW
55
NW
60
NW
50
WNW
40
W
35
W
10
W
 mm 
max°C
2
-1
-3
-5
-6
-8
-9
-7
-8
-10
-8
-8
-9
-11
-10
-10
-9
-9
-8
-9
-9
-7
-4
-4
-6
-9
-8
-7
-3
2
-6
-7
-8
-10
-9
-8
Moonrise
11:42
12:39
1:47
3:02
4:18
5:32
6:43
7:52
8:59
10:05
11:12
Moonset
4:03
5:11
6:04
6:44
7:13
7:35
7:53
8:08
8:21
8:34
8:48
9:05
Sunrise
7:22
7:22
7:20
7:18
7:16
7:16
7:13
7:11
7:11
7:09
7:07
7:05
Sunset
5:15
5:17
5:19
5:21
5:22
5:23
5:25
5:27
5:29
5:30
5:31
5:32
Today's sea temperature in Old Harry is -1.4 °C (Statistics for 07 Feb 1981-2005 – mean: -0.8 max: -0.1 min: -1.6°C)
Issued (local time): 7 am Friday 07 Feb 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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