High and low water times and heights at Harwich

Tidal predictions are available for the next 28 days. For information beyond this period, please consider using the POLTIPS·3 software package, available for purchase from the Marine Data Products Team.

Times in GMT, heights in metres above chart datum. For times in BST, add one hour.
Predictions DO NOT include meteorological effects.
(H - high water, L - low water)

Prediction chart   UK & Ireland
© National Oceanography Centre, Liverpool
Mon 21st
Sep 2020
02:00
4.31m H
07:33
0.60m L
14:15
4.34m H
20:03
0.31m L
Tue 22nd02:42
4.14m H
08:15
0.70m L
14:57
4.22m H
20:47
0.53m L
Wed 23rd03:24
3.94m H
09:02
0.83m L
15:42
4.03m H
21:36
0.80m L
Thu 24th04:10
3.72m H
09:57
0.98m L
16:36
3.79m H
22:36
1.08m L
Fri 25th05:06
3.50m H
11:10
1.11m L
17:47
3.56m H
23:58
1.29m L
Sat 26th06:21
3.34m H
12:48
1.11m L
19:22
3.50m H
Sun 27th01:30
1.33m L
07:55
3.37m H
14:18
0.95m L
20:47
3.68m H
Mon 28th02:45
1.24m L
09:09
3.58m H
15:24
0.76m L
21:46
3.90m H
Tue 29th03:39
1.11m L
10:03
3.78m H
16:12
0.63m L
22:33
4.03m H
Wed 30th04:21
1.00m L
10:47
3.92m H
16:51
0.57m L
23:12
4.09m H
Thu 1st
Oct 2020
04:57
0.91m L
11:25
4.00m H
17:24
0.55m L
23:48
4.10m H
Fri 2nd05:29
0.83m L
12:00
4.05m H
17:55
0.55m L
Sat 3rd00:21
4.09m H
06:00
0.78m L
12:31
4.08m H
18:24
0.55m L
Sun 4th00:51
4.07m H
06:30
0.76m L
13:00
4.07m H
18:51
0.59m L
Mon 5th01:20
4.03m H
07:00
0.78m L
13:30
4.03m H
19:20
0.66m L
Tue 6th01:48
3.97m H
07:30
0.84m L
13:59
3.97m H
19:49
0.77m L
Wed 7th02:18
3.89m H
08:01
0.92m L
14:30
3.88m H
20:20
0.90m L
Thu 8th02:50
3.78m H
08:35
1.00m L
15:07
3.76m H
20:54
1.05m L
Fri 9th03:28
3.64m H
09:15
1.10m L
15:51
3.61m H
21:39
1.23m L
Sat 10th04:15
3.47m H
10:11
1.21m L
16:48
3.43m H
22:47
1.41m L
Sun 11th05:18
3.30m H
11:41
1.25m L
18:03
3.33m H
Mon 12th00:31
1.44m L
06:39
3.26m H
13:15
1.11m L
19:32
3.44m H
Tue 13th01:52
1.28m L
08:03
3.41m H
14:25
0.86m L
20:51
3.71m H
Wed 14th02:53
1.06m L
09:14
3.67m H
15:21
0.62m L
21:52
3.99m H
Thu 15th03:42
0.88m L
10:11
3.92m H
16:09
0.42m L
22:43
4.21m H
Fri 16th04:25
0.73m L
11:00
4.14m H
16:53
0.27m L
23:30
4.36m H
Sat 17th05:06
0.61m L
11:45
4.31m H
17:34
0.19m L
Sun 18th00:13
4.42m H
05:47
0.53m L
12:28
4.42m H
18:15
0.18m L

Disclaimer

While every effort has been made to ensure the accuracy of the information provided, no responsibility can be accepted by the Natural Environment Research Council for any consequential loss or damage arising from its use.