The East End’s high tides are as follows:
October 1, 2026
Plum Gut Harbor: 1:36 a.m., 1:53 p.m.
Montauk Harbor: 12:34 a.m., 1:02 p.m.
Greenport: 2:19 a.m., 2:38 p.m.
Mattituck Inlet: 3:15 a.m., 3:34 p.m.
Sag Harbor: 2:07 a.m., 2:29 p.m.
New Suffolk: 3:25 a.m., 3:53 p.m.
South Jamesport: 3:56 a.m., 4:15 p.m.
Shinnecock Bay Entrance: 12:35 a.m., 12:56 p.m.
Shinnecock Inlet: 11:37 a.m.
October 2
Plum Gut Harbor: 2:35 a.m., 2:57 p.m.
Montauk Harbor: 1:31 a.m., 2:04 p.m.
Greenport: 3:18 a.m., 3:41 p.m.
Mattituck Inlet: 4:11 a.m., 4:33 p.m.
Sag Harbor: 3:05 a.m., 3:31 p.m.
New Suffolk: 4:22 a.m., 4:55 p.m.
South Jamesport: 4:52 a.m., 5:14 p.m.
Shinnecock Bay Entrance: 1:39 a.m., 2 p.m.
Shinnecock Inlet: 12:06 a.m., 12:34 p.m.
October 3
Plum Gut Harbor: 3:42 a.m., 4:09 p.m.
Montauk Harbor: 2:35 a.m., 3:14 p.m.
Greenport: 4:27 a.m., 4:51 p.m.
Mattituck Inlet: 5:13 a.m., 5:36 p.m.
Sag Harbor: 4:13 a.m., 4:41 p.m.
New Suffolk: 5:26 a.m., 6:05 p.m.
South Jamesport: 5:53 a.m., 6:16 p.m.
Shinnecock Bay Entrance: 2:44 a.m., 3:06 p.m.
Shinnecock Inlet: 1:09 a.m., 1:39 p.m.
October 4
Plum Gut Harbor: 4:52 a.m., 5:22 p.m.
Montauk Harbor: 3:45 a.m., 4:26 p.m.
Greenport: 5:43 a.m., 6:05 p.m.
Mattituck Inlet: 6:18 a.m., 6:42 p.m.
Sag Harbor: 5:32 a.m., 5:57 p.m.
New Suffolk: 6:36 a.m., 7:17 p.m.
South Jamesport: 6:58 a.m., 7:23 p.m.
Shinnecock Bay Entrance: 3:49 a.m., 4:11 p.m.
Shinnecock Inlet: 2:19 a.m., 2:48 p.m.
October 5
Plum Gut Harbor: 6 a.m., 6:30 p.m.
Montauk Harbor: 4:56 a.m., 5:32 p.m.
Greenport: 6:53 a.m., 7:15 p.m.
Mattituck Inlet: 7:23 a.m., 7:47 p.m.
Sag Harbor: 6:47 a.m., 7:10 p.m.
New Suffolk: 7:47 a.m., 8:23 p.m.
South Jamesport: 8:05 a.m., 8:31 p.m.
Shinnecock Bay Entrance: 4:55 a.m., 5:18 p.m.
Shinnecock Inlet: 3:29 a.m., 3:56 p.m.
October 6
Plum Gut Harbor: 7:01 a.m., 7:30 p.m.
Montauk Harbor: 6 a.m., 6:30 p.m.
Greenport: 7:54 a.m., 8:17 p.m.
Mattituck Inlet: 8:24 a.m., 8:48 p.m.
Sag Harbor: 7:49 a.m., 8:13 p.m.
New Suffolk: 8:51 a.m., 9:21 p.m.
South Jamesport: 9:09 a.m., 9:35 p.m.
Shinnecock Bay Entrance: 6 a.m., 6:22 p.m.
Shinnecock Inlet: 4:33 a.m., 4:57 p.m.
October 7
Plum Gut Harbor: 7:55 a.m., 8:22 p.m.
Montauk Harbor: 6:55 a.m., 7:19 p.m.
Greenport: 8:46 a.m., 9:12 p.m.
Mattituck Inlet: 9:20 a.m., 9:44 p.m.
Sag Harbor: 8:42 a.m., 9:08 p.m.
New Suffolk: 9:46 a.m., 10:10 p.m.
South Jamesport: 10:06 a.m., 10:32 p.m.
Shinnecock Bay Entrance: 7 a.m., 7:20 p.m.
Shinnecock Inlet: 5:28 a.m., 5:50 p.m.
October 8
Plum Gut Harbor: 8:43 a.m., 9:08 p.m.
Montauk Harbor: 7:44 a.m., 8:04 p.m.
Greenport: 9:33 a.m., 10:02 p.m.
Mattituck Inlet: 10:11 a.m., 10:36 p.m.
Sag Harbor: 9:28 a.m., 9:57 p.m.
New Suffolk: 10:35 a.m., 10:55 p.m.
South Jamesport: 10:54 a.m., 11:22 p.m.
Shinnecock Bay Entrance: 7:52 a.m., 8:09 p.m.
Shinnecock Inlet: 6:17 a.m., 6:38 p.m.
October 9
Plum Gut Harbor: 9:26 am., 9:51 p.m.
Montauk Harbor: 8:27 a.m., 8;47 p.m.
Greenport: 10:16 a.m., 10:48 p.m.
Mattituck Inlet: 10:57 a.m., 11:24 p.m.
Sag Harbor: 10:11 a.m., 10:43 p.m.
New Suffolk: 11:18 a.m., 11:38 p.m.
South Jamesport: 11:37 a.m.
Shinnecock Bay Entrance: 8:37 a.m., 8:53 p.m.
Shinnecock Inlet: 7:02 a.m., 7:22 p.m.
October 10
Plum Gut Harbor: 10:08 a.m., 10:33 p.m.
Montauk Harbor: 9:09 a.m., 9:30 p.m.
Greenport: 10:57 am., 11:32 p.m.
Mattituck Inlet: 11:42 a.m.
Sag Harbor: 10:51 a.m., 11:25 p.m.
New Suffolk: Noon
South Jamesport: 12:07 a.m., 12:18 p.m.
Shinnecock Bay Entrance: 9:18 a.m., 9:34 p.m.
Shinnecock Inlet: 7:44 a.m., 8:05 p.m.
October 11
Plum Gut Harbor: 10:48 a.m., 11:16 p.m.
Montauk Harbor: 9:50 a.m., 10:14 p.m.
Greenport: 11:37 a.m.
Mattituck Inlet: 12:09 a.m., 12:24 p.m.
Sag Harbor: 11:29 a.m.
New Suffolk: 12:21 a.m., 12:41 p.m.
South Jamesport: 12:48 a.m., 12:57 p.m.
Shinnecock Bay Entrance: 9:57 a.m., 10:14 p.m.
Shinnecock Inlet: 8:25 a.m., 8:47 p.m.
October 12
Plum Gut Harbor: 11:29 a.m.
Montauk Harbor: 10:32 a.m., 11 p.m.
Greenport: 12:15 a.m., 12:16 p.m.
Mattituck Inlet: 12:53 a.m., 1:07 p.m.
Sag Harbor: 12:06 a.m., 12:07 p.m.
New Suffolk: 1:05 a.m., 1:23 p.m.
South Jamesport: 1:29 a.m., 1:36 p.m.
Shinnecock Bay Entrance: 10:35 a.m., 10:54 p.m.
Shinnecock Inlet: 9:06 a.m., 9:28 p.m.
October 13
Plum Gut Harbor: 12:01 a.m., 12:11 p.m.
Montauk Harbor: 11:16 a.m., 11:48 p.m.
Greenport: 12:56 a.m., 12:55 p.m.
Mattituck Inlet: 1:37 a.m., 1:49 p.m.
Sag Harbor: 12:45 a.m., 12:45 p.m.
New Suffolk: 1:51 a.m., 2:07 p.m.
South Jamesport: 2:10 a.m., 2:17 p.m.
Shinnecock Bay Entrance: 11:13 a.m., 11:36 p.m.
Shinnecock Inlet: 9:48 a.m., 10:11 p.m.
October 14
Plum Gut Harbor: 12:48 a.m., 12:56 p.m.
Montauk Harbor: 12:03 p.m.
Greenport: 1:38 a.m., 1:36 p.m.
Mattituck Inlet: 2:20 a.m., 2:32 p.m.
Sag Harbor: 1:24 a.m., 1:25 p.m.
New Suffolk: 2:39 a.m., 2:54 p.m.
South Jamesport: 2:52 a.m., 3 p.m.
Shinnecock Bay Entrance: 11:54 a.m.
Shinnecock Inlet: 10:30 a.m., 10:54 p.m.
October 15
Plum Gut Harbor: 1:38 a.m., 1:46 p.m.
Montauk Harbor: 12:38 a.m., 12:54 p.m.
Greenport: 2:23 a.m., 2:21 p.m.
Mattituck Inlet: 3:05 a.m., 3:18 p.m.
Sag Harbor: 2:07 a.m., 2:08 p.m.
New Suffolk: 3:29 a.m., 3:45 p.m.
South Jamesport: 3:37 a.m., 3:46 p.m.
Shinnecock Bay Entrance: 12:23 a.m., 12:39 p.m.
Shinnecock Inlet: 11:14 a.m., 11:41 p.m.
October 16
Plum Gut Harbor: 2:33 a.m., 2:42 p.m.
Montauk Harbor: 1:30 a.m., 1:49 p.m.
Greenport: 3:14 am., 3:10 p.m.
Mattituck Inlet: 3:05 a.m., 3:18 p.m.
Sag Harbor: 2:54 a.m., 2:56 p.m.
New Suffolk: 4:21 a.m., 4:40 p.m.
South Jamesport: 4:25 a.m., 4:35 p.m.
Shinnecock Bay Entrance: 1:14 a.m., 1:28 p.m.
Shinnecock Inlet: Noon
October 17
Plum Gut Harbor: 3:31 a.m., 3:43 p.m.
Montauk Harbor: 2:26 a.m., 2:48 p.m.
Greenport: 4:13 a.m., 4:06 p.m.
Mattituck Inlet: 4:44 a.m., 4:57 p.m.
Sag Harbor: 3:52 a.m., 3:51 p.m.
New Suffolk: 5:17 a.m., 5:39 p.m.
South Jamesport: 5:16 a.m., 5:27 p.m.
Shinnecock Bay Entrance: 2:07 a.m., 2:20 p.m.
Shinnecock Inlet: 12:32 a.m., 12:52 p.m.
October 18
Plum Gut Harbor: 4:31 a.m., 4:45 p.m.
Montauk Harbor: 4:25 a.m., 4:46 p.m.
Greenport: 5:16 a.m., 5:07 p.m.
Mattituck Inlet: 5:37 a.m., 5:51 p.m.
Sag Harbor: 4:58 a.m., 4:52 p.m.
New Suffolk: 6:16 a.m., 6:39 p.m.
South Jamesport: 6:10 a.m., 6:22 p.m.
Shinnecock Bay Entrance: 3:01 a.m., 3:13 p.m.
Shinnecock Inlet: 1:29 a.m., 1:50 p.m.
October 19
Plum Gut Harbor: 5:28 a.m., 5:42 p.m.
Montauk Harbor: 4:25 a.m., 4:46 p.m.
Greenport: 6:13 a.m., 6:09 p.m.
Mattituck Inlet: 6:31 a.m., 6:45 p.m.
Sag Harbor: 6:01 a.m., 5:56 p.m.
New Suffolk: 7:16 a.m., 7:37 p.m.
South Jamesport: 7:07 a.m., 7:21 p.m.
Shinnecock Bay Entrance: 3:54 a.m., 4:06 p.m.
Shinnecock Inlet: 2:31 a.m., 2:51 p.m.
October 20
Plum Gut Harbor: 6:19 a.m., 6:33 p.m.
Montauk Harbor: 5:21 a.m., 5:38 p.m.
Greenport: 6:59 a.m., 7:06 p.m.
Mattituck Inlet: 7:24 a.m., 7:39 p.m.
Sag Harbor: 6:49 a.m., 6:55 p.m.
New Suffolk: 8:12 a.m., 8:29 p.m.
South Jamesport: 8:03 a.m., 8:21 p.m.
Shinnecock Bay Entrance: 4:47 a.m., 5 p.m.
Shinnecock Inlet: 3:30 a.m., 3:49 p.m.