Massachusetts

Plum Island, Merrimack River Entrance — Tide Calendar

August 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sat, Aug 1 1:44 AM 8.6 8:05 AM 0.2 2:13 PM 7.9 8:17 PM 0.7
5:34 AM
8:07 PM
9:26 PM
8:37 AM
Waning Gibbous · 91%
Sun, Aug 2 2:25 AM 8.5 8:43 AM 0.2 2:53 PM 8.1 9:01 PM 0.6
5:35 AM
8:05 PM
9:46 PM
9:46 AM
Waning Gibbous · 84%
Mon, Aug 3 3:08 AM 8.3 9:24 AM 0.3 3:36 PM 8.4 9:49 PM 0.5
5:36 AM
8:04 PM
10:08 PM
10:57 AM
Waning Gibbous · 75%
Tue, Aug 4 3:56 AM 8.1 10:09 AM 0.4 4:22 PM 8.5 10:42 PM 0.4
5:37 AM
8:03 PM
10:34 PM
12:10 PM
Last Quarter · 65%
Wed, Aug 5 4:48 AM 7.9 10:57 AM 0.6 5:13 PM 8.6 11:38 PM 0.4
5:38 AM
8:02 PM
11:04 PM
1:27 PM
Last Quarter · 54%
Thu, Aug 6 5:45 AM 7.6 11:51 AM 0.8 6:09 PM 8.7
5:39 AM
8:01 PM
11:43 PM
2:46 PM
Last Quarter · 42%
Fri, Aug 7 12:38 AM 0.3 6:46 AM 7.4 12:49 PM 0.9 7:08 PM 8.8
5:41 AM
7:59 PM
4:04 PM
Last Quarter · 31%
Sat, Aug 8 1:42 AM 0.2 7:50 AM 7.3 1:51 PM 0.9 8:11 PM 9.0
5:42 AM
7:58 PM
12:33 AM
5:14 PM
Waning Crescent · 21%
Sun, Aug 9 2:45 AM 0.0 8:54 AM 7.4 2:53 PM 0.8 9:13 PM 9.2
5:43 AM
7:57 PM
1:35 AM
6:13 PM
Waning Crescent · 12%
Mon, Aug 10 3:46 AM -0.2 9:54 AM 7.6 3:54 PM 0.6 10:12 PM 9.5
5:44 AM
7:56 PM
2:48 AM
7:00 PM
Waning Crescent · 5%
Tue, Aug 11 4:43 AM -0.5 10:51 AM 7.9 4:51 PM 0.3 11:08 PM 9.6
5:45 AM
7:54 PM
4:07 AM
7:36 PM
New Moon · 1%
Wed, Aug 12 5:36 AM -0.7 11:44 AM 8.3 5:46 PM 0.0
5:46 AM
7:53 PM
5:27 AM
8:04 PM
New Moon · 0%
Thu, Aug 13 12:01 AM 9.7 6:26 AM -0.8 12:34 PM 8.6 6:39 PM -0.2
5:47 AM
7:51 PM
6:43 AM
8:28 PM
New Moon · 1%
Fri, Aug 14 12:51 AM 9.6 7:13 AM -0.7 1:21 PM 8.8 7:29 PM -0.3
5:48 AM
7:50 PM
7:57 AM
8:49 PM
Waxing Crescent · 5%
Sat, Aug 15 1:40 AM 9.4 7:57 AM -0.6 2:07 PM 8.9 8:18 PM -0.2
5:49 AM
7:49 PM
9:07 AM
9:09 PM
Waxing Crescent · 11%
Sun, Aug 16 2:27 AM 9.0 8:42 AM -0.3 2:52 PM 8.9 9:06 PM -0.1
5:50 AM
7:47 PM
10:16 AM
9:30 PM
Waxing Crescent · 18%
Mon, Aug 17 3:15 AM 8.5 9:26 AM 0.1 3:38 PM 8.7 9:56 PM 0.2
5:51 AM
7:46 PM
11:24 AM
9:52 PM
Waxing Crescent · 27%
Tue, Aug 18 4:04 AM 8.0 10:13 AM 0.6 4:26 PM 8.5 10:48 PM 0.5
5:52 AM
7:44 PM
12:31 PM
10:17 PM
First Quarter · 36%
Wed, Aug 19 4:55 AM 7.5 11:01 AM 1.0 5:16 PM 8.2 11:41 PM 0.8
5:54 AM
7:43 PM
1:37 PM
10:47 PM
First Quarter · 46%
Thu, Aug 20 5:48 AM 7.1 11:53 AM 1.4 6:09 PM 8.0
5:55 AM
7:41 PM
2:41 PM
11:23 PM
First Quarter · 55%
Fri, Aug 21 12:38 AM 1.0 6:45 AM 6.8 12:48 PM 1.6 7:05 PM 7.8
5:56 AM
7:40 PM
3:39 PM
First Quarter · 65%
Sat, Aug 22 1:37 AM 1.2 7:44 AM 6.6 1:45 PM 1.8 8:02 PM 7.8
5:57 AM
7:38 PM
4:31 PM
12:07 AM
Waxing Gibbous · 73%
Sun, Aug 23 2:35 AM 1.1 8:42 AM 6.6 2:42 PM 1.8 8:58 PM 7.9
5:58 AM
7:36 PM
5:15 PM
1:00 AM
Waxing Gibbous · 81%
Mon, Aug 24 3:30 AM 1.0 9:35 AM 6.7 3:34 PM 1.6 9:49 PM 8.0
5:59 AM
7:35 PM
5:51 PM
1:59 AM
Waxing Gibbous · 88%
Tue, Aug 25 4:18 AM 0.9 10:23 AM 7.0 4:22 PM 1.4 10:35 PM 8.2
6:00 AM
7:33 PM
6:21 PM
3:03 AM
Waxing Gibbous · 93%
Wed, Aug 26 5:01 AM 0.7 11:06 AM 7.2 5:07 PM 1.2 11:18 PM 8.4
6:01 AM
7:32 PM
6:46 PM
4:09 AM
Full Moon · 97%
Thu, Aug 27 5:41 AM 0.5 11:46 AM 7.5 5:49 PM 0.9 11:59 PM 8.5
6:02 AM
7:30 PM
7:09 PM
5:16 AM
Full Moon · 100%
Fri, Aug 28 6:19 AM 0.3 12:25 PM 7.9 6:30 PM 0.6
6:03 AM
7:28 PM
7:29 PM
6:23 AM
Full Moon · 100%
Sat, Aug 29 12:39 AM 8.6 6:56 AM 0.2 1:02 PM 8.2 7:11 PM 0.3
6:04 AM
7:27 PM
7:50 PM
7:31 AM
Full Moon · 98%
Sun, Aug 30 1:19 AM 8.6 7:33 AM 0.1 1:41 PM 8.5 7:52 PM 0.1
6:06 AM
7:25 PM
8:11 PM
8:40 AM
Waning Gibbous · 94%
Mon, Aug 31 2:00 AM 8.5 8:11 AM 0.2 2:21 PM 8.8 8:37 PM 0.0
6:07 AM
7:23 PM
8:35 PM
9:52 AM
Waning Gibbous · 87%

▲ high tide   ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 8440452 · view the interactive daily chart