Free flow times are approximate and subject to air pressure, weather and basin levels. The marina team reserve the right to not run free flow during low tidal levels or to retain sufficient water during neap tides. During free flow the tide through the lock may run faster than expected. All tide times and heights are corrected to local time and chart datum – no further adjustment is required. Heights are in metres.
SP Spring Tide
NP Neap Tide
Saturday 1st August 2026 SP
Time Type HT Free flow
Open Close
01:53 High 4.90 00:18 03:33
07:12 Low 1.00
14:25 High 5.00 12:50 16:15
19:29 Low 1.20
Sunday 2nd August 2026
Time Type HT Free flow
Open Close
02:27 High 4.90 00:52 04:07
07:49 Low 1.00
14:58 High 5.00 13:23 16:48
20:06 Low 1.20
Monday 3rd August 2026
Time Type HT Free flow
Open Close
03:03 High 4.90 01:28 04:43
08:25 Low 1.00
15:34 High 5.00 13:59 17:24
20:44 Low 1.20
Tuesday 4th August 2026
Time Type HT Free flow
Open Close
03:41 High 4.80 02:06 05:21
09:03 Low 1.10
16:13 High 4.90 14:38 17:53
21:24 Low 1.30
Wednesday 5th August 2026
Time Type HT Free flow
Open Close
04:25 High 4.70 02:55 05:55
09:45 Low 1.30
17:01 High 4.70 15:31 18:31
22:13 Low 1.50
Thursday 6th August 2026
Time Type HT Free flow
Open Close
05:21 High 4.60 03:51 06:41
10:39 Low 1.60
17:59 High 4.60 16:29 19:19
23:20 Low 1.70
Friday 7th August 2026
Time Type HT Free flow
Open Close
06:29 High 4.40 05:14 07:24
11:55 Low 1.80
19:06 High 4.50 17:46 20:11
Saturday 8th August 2026 NP
Time Type HT Free flow
Open Close
00:45 Low 1.80
07:44 High 4.20
13:21 Low 1.90
20:18 High 4.50 18:58 21:23
Sunday 9th August 2026
Time Type HT Free flow
Open Close
02:05 Low 1.70
09:08 High 4.40 07:53 10:03
14:36 Low 1.70
21:34 High 4.60 20:04 22:54
Monday 10th August 2026
Time Type HT Free flow
Open Close
03:11 Low 1.50
10:22 High 4.70 08:52 11:52
15:37 Low 1.50
22:36 High 4.80 21:01 00:16
Tuesday 11th August 2026
Time Type HT Free flow
Open Close
04:04 Low 1.20
11:21 High 4.90 09:46 13:01
16:27 Low 1.30
23:28 High 5.00 21:53 01:18
Wednesday 12th August 2026
Time Type HT Free flow
Open Close
04:51 Low 0.90
12:14 High 5.10 10:39 14:04
17:12 Low 1.00
Thursday 13th August 2026
Time Type HT Free flow
Open Close
00:17 High 5.10 22:42 02:07
05:35 Low 0.70
13:02 High 5.40 11:22 14:57
17:57 Low 0.90
Friday 14th August 2026
Time Type HT Free flow
Open Close
01:02 High 5.30 23:22 02:57
06:20 Low 0.70
13:45 High 5.40 12:05 15:40
18:40 Low 0.90
Saturday 15th August 2026 SP
Time Type HT Free flow
Open Close
01:46 High 5.30 00:06 03:41
07:04 Low 0.70
14:22 High 5.40 12:42 16:17
19:23 Low 0.90
Sunday 16th August 2026
Time Type HT Free flow
Open Close
02:28 High 5.30 00:48 04:23
07:46 Low 0.80
15:00 High 5.40 13:20 16:55
20:05 Low 1.00
Monday 17th August 2026
Time Type HT Free flow
Open Close
03:11 High 5.10 01:36 05:01
08:27 Low 1.00
15:39 High 5.10 14:04 17:29
20:44 Low 1.20
Tuesday 18th August 2026
Time Type HT Free flow
Open Close
03:52 High 4.90 02:17 05:32
09:05 Low 1.20
16:18 High 4.90 14:43 17:58
21:22 Low 1.50
Wednesday 19th August 2026
Time Type HT Free flow
Open Close
04:36 High 4.70 03:06 06:06
09:42 Low 1.50
17:01 High 4.70 15:31 18:31
22:01 Low 1.80
Thursday 20th August 2026
Time Type HT Free flow
Open Close
05:21 High 4.40 04:06 06:16
10:23 Low 1.90
17:47 High 4.40 16:32 18:42
22:54 Low 2.10
Friday 21st August 2026
Time Type HT Free flow
Open Close
06:15 High 4.10
11:31 Low 2.20
18:41 High 4.10
Saturday 22nd August 2026 NP
Time Type HT Free flow
Open Close
00:54 Low 2.20
07:22 High 3.90
13:29 Low 2.30
19:54 High 3.90
Sunday 23rd August 2026
Time Type HT Free flow
Open Close
02:17 Low 2.10
08:53 High 3.90
14:40 Low 2.20
21:21 High 4.00
Monday 24th August 2026
Time Type HT Free flow
Open Close
03:10 Low 1.90
10:15 High 4.10
15:28 Low 2.00
22:28 High 4.20
Tuesday 25th August 2026
Time Type HT Free flow
Open Close
03:49 Low 1.70
11:09 High 4.50 09:49 12:14
16:04 Low 1.80
23:12 High 4.50 21:52 00:17
Wednesday 26th August 2026
Time Type HT Free flow
Open Close
04:22 Low 1.40
11:46 High 4.70 10:16 13:16
16:38 Low 1.50
23:47 High 4.70 22:17 01:17
Thursday 27th August 2026
Time Type HT Free flow
Open Close
04:56 Low 1.20
12:19 High 4.90 10:44 13:59
17:12 Low 1.30
Friday 28th August 2026
Time Type HT Free flow
Open Close
00:19 High 4.90 22:44 01:59
05:31 Low 1.00
12:49 High 5.00 11:14 14:39
17:48 Low 1.10
Saturday 29th August 2026
Time Type HT Free flow
Open Close
00:50 High 5.00 23:15 02:40
06:07 Low 0.80
13:20 High 5.10 11:45 15:10
18:25 Low 1.00
Sunday 30th August 2026
Time Type HT Free flow
Open Close
01:25 High 5.10 23:50 03:15
06:44 Low 0.80
13:53 High 5.30 12:13 15:48
19:02 Low 0.90
Monday 31st August 2026 SP
Time Type HT Free flow
Open Close
02:00 High 5.10 00:25 03:50
07:20 Low 0.80
14:26 High 5.30 12:46 16:21
19:38 Low 0.90

This website has been derived in part from material obtained from the UK Hydrographic Office with the permission of the UK Hydrographic Office and Keeper of Public Records. The UK Hydrographic Office (UKHO) and its licensors make no warranties or representations, express or implied, with respect to this product. The UKHO and its licensors have not verified the information within this product or quality assured it. © British Crown Copyright, 2026.

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