January 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Date Time M Time M
1 SU 01:19 5.8m 13:52 6.2m
2 M 02:28 5.9m 14:58 6.1m
3 TU 03:32 6.1m 15:58 6.3m
4 W 04:28 6.3m 16:51 6.5m
5 TH 05:16 6.6m 17:37 6.6m
6 F  05:58 6.9m 18:18 6.8m
7 SA 06:35 7.0m 18:56 6.9m
8 SU 07:11 7.1m 19:32 6.9m
9 M 07:45 7.1m 20:05 6.8m
10 TU 08:18 7.1m 20:37 6.7m
11 W 08:50 6.9m 21:10 6.5m
12 TH 09:23 6.8m 21:44 6.3m
13 F 09:59 6.5m 22:21 6.1m
14 SA 10:40 6.3m 23:06 5.8m
15 SU  11:28 6.0m    
16 M 00:01 5.6m 12:29 5.8m
17 TU 01:10 5.6m 13:42 5.8m
18 W 02:26 5.8m 14:59 6.1m
19 TH 03:38 6.3m 16:08 6.5m
20 F 04:40 6.9m 17:11 7.0m
21 SA 05:37 7.4m 18:07 7.5m
22 SU 06:31 7.9m 18:59 7.8m
23 M 07:21 8.2m 19:49 7.9m
24 TU 08:11 8.3m 20:34 7.8m
25 W 08:54 8.2m 21:16 7.6m
26 TH 09:38 7.9m 21:58 7.2m
27 F 10:20 7.4m 22:41 6.6m
28 SA  11:05 6.8m 23:27 6.1m
29 SU 11:57 6.2m    
30 M 00:23 5.6m 12:58 5.7m
31 TU 01:35 5.4m 14:16 5.4m

February 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Date Time M Time M
1 W 02:59 5.4m 15:35 5.6m
2 TH 04:10 5.8m 16:38 5.9m
3 F 05:04 6.3m 17:26 6.3m
4 SA 05:45 6.7m 18:06 6.6m
5 SU 06:23 7.0m 18:43 6.9m
6 M 06:57 7.2m 19:15 7.0m
7 TU 07:29 7.3m 19:46 7.1m
8 W 08:00 7.3m 20:17 7.1m
9 TH 08:30 7.3m 20:46 7.0m
10 F 08:59 7.2m 21:16 6.8m
11 SA 09:30 6.9m 21:48 6.5m
12 SU 10:05 6.6m 22:25 6.2m
13 M 10:46 6.2m 23:13 5.8m
14 TU 11:41 5.8m    
15 W 00:19 5.5m 12:59 5.5m
16 TH 01:51 5.5m 14:35 5.6m
17 F 03:19 5.9m 15:59 6.2m
18 SA 04:31 6.7m 17:05 6.8m
19 SU 05:29 7.4m 17:59 7.5m
20 M 06:21 8.0m 18:48 7.9m
21 TU 07:08 8.4m 19:32 8.1m
22 W 07:52 8.5m 20:13 8.1m
23 TH 08:33 8.4m 20:51 7.8m
24 F 09:11 8.0m 21:27 7.4m
25 SA 09:48 7.4m 22:03 6.8m
26 SU 10:25 6.7m 22:41 6.2m
27 M 11:07 6.0m 23:26 5.5m
28 TU     12:02 5.3m

March 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Date Time M Time M
1 W 00:37 5.1m 13:31 4.9m
2 TH 02:24 5.0m 15:14 5.1m
3 F 03:51 5.5m 16:22 5.6m
4 SA 04:44 6.0m 17:08 6.1m
5 SU 05:25 6.6m 17:44 6.6m
6 M 06:00 7.0m 18:18 6.9m
7 TU 06:32 7.2m 18:50 7.2m
8 W 07:03 7.4m 19:20 7.3m
9 TH 07:34 7.5m 19:50 7.4m
10 F 08:03 7.5m 20:19 7.3m
11 SA 08:33 7.4m 20:48 7.2m
12 SU 09:03 7.2m 21:20 6.9m
13 M 09:37 6.8m 21:56 6.5m
14 TU 10:18 6.3m 22:42 6.0m
15 W 11:12 5.7m 23:52 5.5m
16 TH     12:38 5.3m
17 F 01:33 5.4m 14:27 5.4m
18 SA 03:10 5.9m 15:53 6.1m
19 SU 04:21 6.7m 16:53 6.9m
20 M 05:15 7.5m 17:42 7.5m
21 TU 06:02 8.1m 18:26 8.0m
22 W 06:47 8.4m 19:08 8.1m
23 TH 07:28 8.5m 19:46 8.1m
24 F 08:06 8.2m 20:22 7.8m
25 SA 08:42 7.8m 20:55 7.4m
26 SU 09:15 7.2m 21:28 6.8m
27 M 09:49 6.5m 22:02 6.2m
28 TU 10:27 5.8m 22:43 5.6m
29 W 11:18 5.1m 23:46 5.0m
30 TH     12:44 4.7m
31 F 01:40 4.9m 14:40 4.8m

April 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Date Time M Time M
1 SA 03:14 5.3m 15:50 5.4m
2 SU 04:09 5.9m 16:35 6.0m
3 M 04:50 6.4m 17:12 6.5m
4 TU 05:26 6.9m 17:45 6.9m
5 W 05:59 7.2m 18:17 7.2m
6 TH 06:31 7.5m 18:49 7.5m
7 F 07:03 7.6m 19:20 7.6m
8 SA 07:35 7.6m 19:52 7.6m
9 SU 08:08 7.5m 20:25 7.4m
10 M 08:43 7.2m 21:00 7.1m
11 TU 09:19 6.8m 21:40 6.6m
12 W 10:05 6.2m 22:32 6.1m
13 TH 11:07 5.6m 23:48 5.6m
14 F     12:37 5.3m
15 SA 01:26 5.6m 14:19 5.6m
16 SU 02:55 6.2m 15:36 6.2m
17 M 03:59 6.9m 16:32 6.9m
18 TU 04:51 7.5m 17:18 7.4m
19 W 05:37 7.9m 18:01 7.8m
20 TH 06:20 8.1m 18:40 7.9m
21 F 06:59 8.0m 19:17 7.8m
22 SA 07:37 7.8m 19:53 7.6m
23 SU 08:13 7.4m 20:26 7.3m
24 M 08:46 6.9m 20:59 6.8m
25 TU 09:21 6.4m 21:34 6.3m
26 W 09:59 5.8m 22:15 5.7m
27 TH 10:47 5.2m 23:12 5.2m
28 F 11:59 4.8m    
29 SA 00:40 5.0m 13:41 4.8m
30 SU 02:15 5.2m 14:56 5.2m

May 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Date Time M Time M
1 M 03:17 5.7m 15:47 5.8m
2 TU 04:03 6.2m 16:28 6.3m
3 W 04:42 6.7m 17:05 6.8m
4 TH 05:19 7.1m 17:39 7.2m
5 F 05:55 7.4m 18:15 7.5m
6 SA 06:32 7.5m 18:52 7.6m
7 SU 07:09 7.6m 19:30 7.6m
8 M 07:49 7.5m 20:09 7.5m
9 TU 08:30 7.2m 20:50 7.1m
10 W 09:15 6.7m 21:38 6.7m
11 TH 10:07 6.2m 22:37 6.3m
12 F 11:13 5.8m 23:50 6.0m
13 SA     12:32 5.6m
14 SU 01:10 6.1m 13:55 5.8m
15 M 02:25 6.4m 15:04 6.3m
16 TU 03:29 6.8m 16:00 6.7m
17 W 04:22 7.2m 16:48 7.1m
18 TH 05:09 7.4m 17:32 7.3m
19 F 05:53 7.5m 18:12 7.4m
20 SA 06:33 7.4m 18:51 7.4m
21 SU 07:12 7.3m 19:28 7.3m
22 M 07:50 7.0m 20:04 7.1m
23 TU 08:26 6.7m 20:39 6.7m
24 W 09:02 6.3m 21:15 6.4m
25 TH 09:40 5.9m 21:55 6.0m
26 F 10:24 5.5m 22:45 5.6m
27 SA 11:20 5.2m 23:46 5.4m
28 SU     12:29 5.0m
29 M 00:58 5.4m 13:43 5.2m
30 TU 02:08 5.6m 14:45 5.6m
31 W 03:04 6.0m 15:35 6.1m

June 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Date Time M Time M
1 TH 03:52 6.4m 16:19 6.5m
2 F 04:37 6.8m 17:02 7.0m
3 SA 05:21 7.1m 17:44 7.3m
4 SU 06:06 7.4m 18:28 7.5m
5 M 06:52 7.5m 19:14 7.6m
6 TU 07:39 7.4m 20:01 7.6m
7 W 08:27 7.2m 20:49 7.4m
8 TH 09:16 6.9m 21:41 7.1m
9 F 10:10 6.6m 22:36 6.8m
10 SA 11:07 6.2m 23:37 6.6m
11 SU     12:11 6.0m
12 M 00:41 6.4m 13:18 6.0m
13 TU 01:48 6.4m 14:24 6.1m
14 W 02:52 6.5m 15:24 6.4m
15 TH 03:50 6.7m 16:19 6.6m
16 F 04:43 6.8m 17:08 6.8m
17 SA 05:30 6.9m 17:52 7.0m
18 SU 06:15 6.9m 18:33 7.0m
19 M 06:55 6.9m 19:12 7.0m
20 TU 07:34 6.8m 19:49 7.0m
21 W 08:11 6.6m 20:25 6.8m
22 TH 08:46 6.4m 21:00 6.6m
23 F 09:21 6.2m 21:37 6.4m
24 SA 10:00 5.9m 22:17 6.1m
25 SU 10:42 5.7m 23:01 5.9m
26 M 11:31 5.5m 23:54 5.7m
27 TU     12:29 5.4m
28 W 00:53 5.7m 13:33 5.5m
29 TH 02:00 5.8m 14:38 5.8m
30 F 03:02 6.1m 15:37 6.3m

July 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Date Time M Time M
1 SA 04:00 6.5m 16:31 6.7m
2 SU 04:55 6.9m 17:23 7.2m
3 M 05:49 7.2m 18:14 7.5m
4 TU 06:42 7.4m 19:05 7.8m
5 W 07:33 7.5m 19:56 7.9m
6 TH 08:23 7.5m 20:44 7.8m
7 F 09:10 7.3m 21:33 7.7m
8 SA 09:57 7.0m 22:21 7.4m
9 SU 10:47 6.7m 23:12 7.0m
10 M 11:38 6.3m    
11 TU 00:06 6.6m 12:36 6.0m
12 W 01:07 6.2m 13:41 5.8m
13 TH 02:15 6.0m 14:51 5.9m
14 F 03:22 6.0m 15:56 6.1m
15 SA 04:25 6.2m 16:52 6.4m
16 SU 05:18 6.4m 17:39 6.7m
17 M 06:03 6.6m 18:21 6.9m
18 TU 06:44 6.7m 19:00 7.0m
19 W 07:20 6.8m 19:35 7.0m
20 TH 07:55 6.8m 20:08 7.0m
21 F 08:27 6.7m 20:40 6.9m
22 SA 08:58 6.6m 21:12 6.8m
23 SU 09:30 6.4m 21:45 6.6m
24 M 10:04 6.1m 22:20 6.3m
25 TU 10:43 5.9m 23:02 6.0m
26 W 11:30 5.7m 23:55 5.8m
27 TH     12:31 5.5m
28 F 01:01 5.6m 13:46 5.6m
29 SA 02:21 5.7m 15:03 5.9m
30 SU 03:36 6.1m 16:10 6.5m
31 M 04:41 6.6m 17:10 7.1m

August 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Date Time M Time M
1 TU  05:39 7.1m 18:04 7.6m
2 W 06:33 7.6m 18:55 8.1m
3 TH 07:22 7.8m 19:44 8.3m
4 F 08:09 7.9m 20:30 8.3m
5 SA 08:52 7.7m 21:14 8.1m
6 SU 09:34 7.4m 21:56 7.6m
7 M 10:17 6.9m 22:40 7.1m
8 TU  11:00 6.4m 23:27 6.4m
9 W 11:52 5.9m    
10 TH 00:24 5.8m 12:58 5.5m
11 F 01:39 5.4m 14:23 5.4m
12 SA 03:04 5.4m 15:44 5.7m
13 SU 04:17 5.8m 16:43 6.2m
14 M 05:09 6.2m 17:28 6.6m
15 TU 05:51 6.5m 18:07 6.9m
16 W  06:27 6.8m 18:42 7.1m
17 TH 07:00 7.0m 19:13 7.3m
18 F 07:32 7.0m 19:44 7.3m
19 SA 08:01 7.0m 20:14 7.3m
20 SU 08:30 7.0m 20:43 7.1m
21 M 08:58 6.8m 21:12 6.9m
22 TU 09:28 6.6m 21:43 6.6m
23 W 10:02 6.3m 22:20 6.2m
24 TH  10:44 5.9m 23:08 5.8m
25 F 11:43 5.5m    
26 SA 00:18 5.4m 13:10 5.4m
27 SU 01:56 5.4m 14:46 5.8m
28 M 03:26 5.9m 16:00 6.5m
29 TU 04:34 6.6m 16:59 7.3m
30 W 05:29 7.3m 17:52 7.9m
31 TH 06:19 7.8m 18:40 8.4m

September 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Day Time M Time M
1 F 07:04 8.2m 19:25 8.6m
2 SA 07:47 8.2m 20:07 8.6m
3 SU 08:27 8.0m 20:47 8.2m
4 M 09:05 7.6m 21:25 7.7m
5 TU 09:42 7.1m 22:04 6.9m
6 W  10:20 6.4m 22:47 6.2m
7 TH 11:07 5.8m 23:41 5.4m
8 F     12:15 5.2m
9 SA 01:06 5.0m 14:01 5.1m
10 SU 02:52 5.1m 15:31 5.6m
11 M 04:04 5.6m 16:27 6.2m
12 TU 04:50 6.2m 17:08 6.7m
13 W 05:28 6.6m 17:42 7.1m
14 TH 06:01 7.0m 18:15 7.3m
15 F  06:32 7.2m 18:46 7.5m
16 SA 07:02 7.3m 19:14 7.6m
17 SU 07:31 7.4m 19:44 7.5m
18 M 07:59 7.3m 20:12 7.4m
19 TU 08:28 7.2m 20:42 7.2m
20 W 08:58 6.9m 21:13 6.8m
21 TH 09:31 6.5m 21:49 6.3m
22 F  10:13 6.0m 22:40 5.8m
23 SA 11:16 5.6m 23:58 5.3m
24 SU     12:54 5.4m
25 M 01:48 5.3m 14:36 5.9m
26 TU 03:20 6.0m 15:49 6.7m
27 W 04:23 6.8m 16:44 7.5m
28 TH 05:13 7.5m 17:32 8.1m
29 F  05:57 8.0m 18:16 8.5m
30 SA 06:40 8.3m 18:59 8.7m

October 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Date Time M Time M
1 SU 07:19 8.3m 19:40 8.5m
2 M 07:58 8.1m 20:19 8.1m
3 TU 08:35 7.6m 20:55 7.5m
4 W 09:10 7.1m 21:32 6.7m
5 TH 09:47 6.4m 22:12 6.0m
6 F  10:30 5.8m 23:04 5.3m
7 SA 11:35 5.2m    
8 SU 00:31 4.8m 13:27 5.1m
9 M 02:24 5.0m 14:59 5.5m
10 TU 03:34 5.5m 15:54 6.1m
11 W 04:19 6.1m 16:34 6.6m
12 TH 04:55 6.6m 17:10 7.0m
13 F 05:28 7.0m 17:41 7.3m
14 SA  05:59 7.3m 18:12 7.5m
15 SU 06:29 7.5m 18:43 7.6m
16 M 07:00 7.6m 19:14 7.6m
17 TU 07:31 7.5m 19:46 7.5m
18 W 08:03 7.4m 20:19 7.2m
19 TH 08:37 7.1m 20:54 6.8m
20 F 09:15 6.7m 21:36 6.3m
21 SA 10:02 6.2m 22:33 5.7m
22 SU  11:13 5.7m 23:58 5.4m
23 M     12:48 5.7m
24 TU 01:40 5.5m 14:19 6.1m
25 W 03:01 6.2m 15:27 6.9m
26 TH 03:59 6.9m 16:21 7.5m
27 F 04:48 7.5m 17:08 8.0m
28 SA  05:32 7.9m 17:52 8.3m
29 SU 06:13 8.1m 18:33 8.3m
30 M 06:53 8.1m 19:14 8.1m
31 TU 07:32 7.9m 19:53 7.7m

November 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Date Time M Time M
1 W 08:08 7.5m 20:30 7.2m
2 TH 08:44 7.0m 21:08 6.5m
3 F 09:22 6.5m 21:48 5.9m
4 SA 10:05 5.9m 22:37 5.3m
5 SU  11:03 5.4m 23:49 4.9m
6 M     12:29 5.2m
7 TU 01:25 4.9m 14:00 5.4m
8 W 02:41 5.3m 15:02 5.9m
9 TH 03:33 5.9m 15:49 6.3m
10 F 04:14 6.4m 16:28 6.8m
11 SA 04:49 6.8m 17:04 7.1m
12 SU 05:23 7.2m 17:38 7.3m
13 M  05:58 7.4m 18:13 7.5m
14 TU 06:32 7.6m 18:50 7.5m
15 W 07:08 7.6m 19:27 7.4m
16 TH 07:47 7.5m 20:07 7.2m
17 F 08:27 7.2m 20:49 6.9m
18 SA 09:13 6.9m 21:39 6.4m
19 SU 10:07 6.5m 22:40 6.0m
20 M  11:15 6.2m 23:54 5.7m
21 TU     12:31 6.1m
22 W 01:14 5.8m 13:47 6.4m
23 TH 02:27 6.2m 14:54 6.8m
24 F 03:28 6.7m 15:51 7.2m
25 SA 04:20 7.1m 16:42 7.5m
26 SU 05:07 7.4m 17:28 7.6m
27 M  05:51 7.6m 18:12 7.6m
28 TU 06:32 7.6m 18:55 7.5m
29 W 07:12 7.5m 19:35 7.3m
30 TH 07:51 7.3m 20:14 6.9m

December 2023 - River Neath Entrance

TO SILL DATUM - High Water

Time Zone UT (GMT) 

  Morning Afternoon
Date Time M Time M
1 F 08:29 7.0m 20:51 6.5m
2 SA 09:07 6.6m 21:30 6.1m
3 SU 09:47 6.2m 22:14 5.7m
4 M 10:33 5.9m 23:05 5.3m
5 TU  11:30 5.6m    
6 W 00:08 5.2m 12:38 5.5m
7 TH 01:22 5.2m 13:50 5.6m
8 F 02:28 5.5m 14:49 5.9m
9 SA 03:20 5.9m 15:39 6.3m
10 SU 04:06 6.4m 16:24 6.6m
11 M 04:48 6.8m 17:07 7.0m
12 TU  05:29 7.2m 17:50 7.2m
13 W 06:12 7.5m 18:33 7.4m
14 TH 06:55 7.6m 19:18 7.4m
15 F 07:40 7.6m 20:04 7.3m
16 SA 08:27 7.5m 20:51 7.1m
17 SU 09:15 7.3m 21:41 6.8m
18 M 10:06 7.1m 22:34 6.5m
19 TU  11:02 6.8m 23:32 6.2m
20 W     12:03 6.6m
21 TH 00:36 6.1m 13:09 6.5m
22 F 01:45 6.1m 14:16 6.5m
23 SA 02:52 6.3m 15:20 6.6m
24 SU 03:53 6.5m 16:20 6.8m
25 M 04:47 6.8m 17:13 6.9m
26 TU 05:36 7.1m 18:01 7.0m
27 W  06:21 7.2m 18:45 7.1m
28 TH 07:02 7.3m 19:25 7.0m
29 F 07:41 7.2m 20:02 6.9m
30 SA 08:17 7.1m 20:38 6.7m
31 SU 08:51 6.9m 21:12 6.5m

Also in Tide Tables:

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