bootitemsTides
Plum Island · August 2026
Merrimack River Entrance, MA · NOAA 8440452 · Times EDT · Heights in feet above MLLW
H High tideL Low tideSpring tides
1 August
H1:44a8.6
L8:05a0.2
H2:13p7.9
L8:17p0.7
2 August
H2:25a8.5
L8:43a0.2
H2:53p8.1
L9:01p0.6
3 August
H3:08a8.3
L9:24a0.3
H3:36p8.3
L9:49p0.5
4 August
H3:56a8.1
L10:09a0.4
H4:22p8.5
L10:42p0.4
5 August
H4:48a7.8
L10:57a0.6
H5:13p8.6
L11:38p0.4
6 August
H5:45a7.6
L11:51a0.8
H6:09p8.7
7 August
L12:38a0.3
H6:46a7.4
L12:49p0.9
H7:08p8.8
8 August
L1:42a0.2
H7:50a7.3
L1:51p0.9
H8:11p9.0
9 August
L2:45a0.0
H8:54a7.4
L2:53p0.8
H9:13p9.2
10 August
L3:46a−0.2
H9:54a7.6
L3:54p0.6
H10:12p9.5
11 August, spring tides
L4:43a−0.5
H10:51a7.9
L4:51p0.3
H11:08p9.6
12 August
L5:36a−0.7
H11:44a8.3
L5:46p0.0
13 August, spring tides
H12:01a9.7
L6:26a−0.8
H12:34p8.6
L6:39p−0.2
14 August, spring tides
H12:51a9.6
L7:13a−0.7
H1:21p8.8
L7:29p−0.3
15 August, spring tides
H1:40a9.4
L7:57a−0.6
H2:07p8.9
L8:18p−0.2
16 August
H2:27a9.0
L8:42a−0.3
H2:52p8.9
L9:06p−0.1
17 August
H3:15a8.5
L9:26a0.1
H3:38p8.7
L9:56p0.2
18 August
H4:04a8.0
L10:13a0.6
H4:26p8.5
L10:48p0.5
19 August
H4:55a7.5
L11:01a1.0
H5:16p8.2
L11:41p0.8
20 August
H5:48a7.1
L11:53a1.4
H6:09p8.0
21 August
L12:38a1.0
H6:45a6.8
L12:48p1.6
H7:05p7.8
22 August
L1:37a1.1
H7:44a6.6
L1:45p1.8
H8:02p7.8
23 August
L2:35a1.1
H8:42a6.6
L2:42p1.7
H8:58p7.8
24 August
L3:30a1.0
H9:35a6.7
L3:34p1.6
H9:49p8.0
25 August
L4:18a0.8
H10:23a6.9
L4:22p1.4
H10:35p8.2
26 August
L5:01a0.6
H11:06a7.2
L5:07p1.1
H11:18p8.4
27 August
L5:41a0.5
H11:46a7.5
L5:49p0.9
H11:59p8.5
28 August
L6:19a0.3
H12:25p7.9
L6:30p0.6
29 August
H12:39a8.6
L6:56a0.2
H1:02p8.2
L7:11p0.3
30 August
H1:19a8.6
L7:33a0.1
H1:41p8.5
L7:52p0.1
31 August, spring tides
H2:00a8.5
L8:11a0.1
H2:21p8.8
L8:37p0.0
Predictions from NOAA CO-OPS. Not for navigation.bootitems.com/tides/plum-island-ma/