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 07:13 AM and sunset is at 05:25 PM.

Days 1–3 Weather Summary

Mostly dry. Air temperatures will be below freezing (max -2°C on Sun afternoon, min -4°C on Fri morning). Winds decreasing (near gales from the NW on Fri morning, light winds from the SE by Sat night).

Days 4–6 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max 0°C on Tue night, min -7°C on Wed night). Winds increasing (light winds from the WNW on Mon morning, strong winds from the NW by Wed night).

Days 7–9 Weather Summary

A dusting of new snow. Temperatures will be well below freezing (max -6°C on Sat night, min -13°C on Fri morning). Winds increasing (moderate winds from the WNW on Thu morning, strong winds from the NW by Fri afternoon).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Tue afternoon. Temperatures will be below freezing (max -5°C on Sun night, min -9°C on Tue night). Winds increasing (moderate winds from the NW on Mon night, near gales from the WNW by Wed morning).

Friday
13
Saturday
14
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
Sat
28
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
8:26AM0.84m
4:46PM0.89m
8:38AM0.85m
5:42PM0.90m
9:02AM0.84m
6:31PM0.90m
9:28AM0.82m
7:18PM0.90m
9:52AM0.81m
8:03PM0.90m
10:10AM0.80m
8:48PM0.90m
10:13AM0.80m
9:32PM0.90m
10:21AM0.83m
10:18PM0.90m
10:41AM0.86m
11:05PM0.89m
11:07AM0.91m
11:57PM0.87m
11:36AM0.95m
1:12AM0.83m
12:09PM0.98m
3:44AM0.82m
12:49PM0.98m
5:24AM0.84m
1:56PM0.97m
7:41AM0.88m
3:52PM0.96m
Low Tide
11:20AM0.80m
00:38AM0.42m
12:13PM0.75m
1:40AM0.35m
12:56PM0.68m
2:15AM0.28m
1:35PM0.60m
2:41AM0.22m
2:13PM0.52m
3:07AM0.20m
2:51PM0.45m
3:34AM0.20m
3:30PM0.40m
4:02AM0.25m
4:11PM0.36m
4:30AM0.33m
4:55PM0.34m
4:59AM0.43m
5:43PM0.34m
5:29AM0.55m
6:40PM0.35m
5:58AM0.66m
7:51PM0.38m
6:27AM0.76m
9:12PM0.39m
6:55AM0.83m
10:33PM0.39m
10:37AM0.84m
Wave
height (m) 
direction
period (s) 
1.3
NW
4
1.1
NW
4
0.8
NW
4
0.3
SE
10
0.3
SE
12
0.2
ESE
10
0.3
SE
10
0.6
E
3
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.5
SE
8
0.7
SE
8
1.1
S
4
1.4
S
6
0.9
NW
3
0.9
NW
4
0.9
NW
4
0.4
ESE
8
0.4
SE
8
0.8
NW
4
0.9
WNW
4
1.1
NW
4
0.9
WNW
4
0.6
ESE
10
0.8
WNW
4
0.7
WNW
4
0.7
WNW
3
0.9
NW
4
1.1
NW
4
0.9
NW
4
0.6
NW
3
0.6
NW
3
0.5
N
3
0.8
N
4
1.1
NW
4
1.4
WNW
5
1.5
WNW
5
1.6
NW
5
1.5
NNW
5
1.1
NNW
4
0.7
NE
7
0.6
NE
6
0.5
W
3
0.3
NE
5
0.4
SE
16
0.4
NW
3
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
light snow
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light snow
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light snow
light snow
light snow
light snow
light snow
cloud
cloud
cloud
snow showers
light snow
part cloud
cloud
clear
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
light snow
light snow
light snow
light snow
light snow
cloudy
cloudy
cloudy
snow shwrs
light snow
some clouds
cloudy
clear
 km/h
50
NW
50
WNW
35
NW
15
W
15
W
10
SSW
15
ENE
25
ENE
15
NNW
5
WNW
5
WSW
15
SW
30
S
35
S
40
SSW
40
NW
45
NW
40
WNW
20
WNW
20
NW
40
WNW
45
WNW
50
NW
40
WNW
30
WNW
35
WNW
35
WNW
40
WNW
50
NW
50
NW
45
WNW
35
NW
25
NW
30
N
40
NNW
45
WNW
55
WNW
60
WNW
65
NW
55
NW
45
NW
30
NW
25
WNW
25
WNW
20
NNW
20
NW
25
NW
 mm 
max°C
-3
-4
-4
-4
-4
-4
-3
-2
-2
-1
-2
-2
-2
-1
0
-2
-4
-5
-7
-8
-8
-12
-11
-8
-8
-8
-6
-6
-6
-5
-7
-7
-6
-6
-8
-9
-9
-8
-3
-3
-2
-1
-2
-2
0
0
-1
Moonrise
5:25
6:04
6:35
6:58
7:18
7:35
7:51
8:07
8:25
8:47
9:14
9:51
10:42
11:47
1:04
2:25
Moonset
1:00
2:08
3:21
4:36
5:52
7:08
8:25
9:43
11:04
12:27
1:49
3:07
4:12
5:02
5:38
Sunrise
7:13
7:11
7:11
7:09
7:07
7:05
7:03
7:01
7:01
6:58
6:56
6:54
6:52
6:50
6:50
6:48
Sunset
5:25
5:27
5:29
5:30
5:31
5:32
5:35
5:37
5:37
5:39
5:40
5:43
5:44
5:45
5:46
5:49
Today's sea temperature in Old Harry is
-1.1° C
(Statistics for 13 Feb 1981-2005 – mean: -0.8 max: -0.2 min: -1.6°C)
Issued (local time): 1 am Friday 13 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest