bootitemsTides
Plum Island · September 2026
Merrimack River Entrance, MA · NOAA 8440452 · Times EDT · Heights in feet above MLLW
H High tideL Low tideSpring tides
1 September, spring tides
H2:45a8.4
L8:53a0.3
H3:04p8.9
L9:25p−0.1
2 September
H3:33a8.1
L9:39a0.4
H3:53p9.0
L10:18p0.0
3 September
H4:26a7.8
L10:31a0.7
H4:47p8.9
L11:16p0.1
4 September
H5:25a7.5
L11:28a0.9
H5:46p8.8
5 September
L12:19a0.2
H6:28a7.3
L12:30p1.0
H6:50p8.8
6 September
L1:24a0.2
H7:34a7.3
L1:36p1.0
H7:56p8.8
7 September
L2:30a0.1
H8:40a7.5
L2:42p0.8
H9:00p9.0
8 September
L3:31a−0.1
H9:40a7.8
L3:44p0.5
H10:00p9.1
9 September, spring tides
L4:26a−0.3
H10:35a8.2
L4:41p0.2
H10:55p9.2
10 September, spring tides
L5:17a−0.4
H11:25a8.6
L5:34p−0.1
H11:46p9.2
11 September, spring tides
L6:03a−0.4
H12:12p8.8
L6:23p−0.3
12 September, spring tides
H12:33a9.1
L6:47a−0.3
H12:56p9.0
L7:09p−0.3
13 September, spring tides
H1:18a8.8
L7:29a−0.1
H1:38p9.0
L7:54p−0.3
14 September
H2:02a8.5
L8:10a0.2
H2:19p8.9
L8:38p−0.1
15 September
H2:46a8.1
L8:51a0.6
H3:02p8.7
L9:24p0.2
16 September
H3:32a7.7
L9:35a1.0
H3:47p8.4
L10:12p0.5
17 September
H4:20a7.3
L10:23a1.3
H4:36p8.1
L11:04p0.9
18 September
H5:12a6.9
L11:14a1.7
H5:29p7.8
L11:59p1.1
19 September
H6:08a6.7
L12:10p1.9
H6:26p7.6
20 September
L12:57a1.3
H7:06a6.6
L1:09p1.9
H7:24p7.6
21 September
L1:56a1.2
H8:05a6.7
L2:08p1.8
H8:22p7.7
22 September
L2:52a1.1
H9:00a6.9
L3:03p1.6
H9:15p7.9
23 September
L3:41a0.9
H9:48a7.2
L3:53p1.3
H10:03p8.1
24 September
L4:24a0.7
H10:31a7.6
L4:38p0.9
H10:48p8.3
25 September
L5:04a0.5
H11:12a8.0
L5:21p0.5
H11:30p8.4
26 September
L5:43a0.3
H11:50a8.4
L6:03p0.1
27 September
H12:12a8.5
L6:21a0.2
H12:29p8.8
L6:45p−0.2
28 September, spring tides
H12:54a8.6
L7:01a0.2
H1:09p9.1
L7:29p−0.5
29 September, spring tides
H1:38a8.5
L7:42a0.2
H1:52p9.3
L8:15p−0.6
30 September, spring tides
H2:24a8.4
L8:26a0.3
H2:38p9.4
L9:05p−0.5
Predictions from NOAA CO-OPS. Not for navigation.bootitems.com/tides/plum-island-ma/