Massachusetts

Plum Island, Merrimack River Entrance — Weekly Tide Table

Jun 28 – Jul 4, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Jun 28 5:16 AM 0.6 11:21 AM 7.0 5:15 PM 1.5 11:27 PM 8.4
5:07 AM
8:27 PM
7:54 PM
3:30 AM
Full Moon · 98%
Mon, Jun 29 5:58 AM 0.5 12:03 PM 7.0 5:57 PM 1.5
5:08 AM
8:27 PM
8:40 PM
4:20 AM
Full Moon · 100%
Tue, Jun 30 12:08 AM 8.4 6:38 AM 0.5 12:43 PM 7.1 6:37 PM 1.4
5:08 AM
8:27 PM
9:19 PM
5:18 AM
Full Moon · 100%
Wed, Jul 1 12:48 AM 8.5 7:17 AM 0.4 1:23 PM 7.2 7:18 PM 1.4
5:09 AM
8:26 PM
9:51 PM
6:21 AM
Full Moon · 97%
Thu, Jul 2 1:28 AM 8.5 7:55 AM 0.4 2:02 PM 7.3 7:59 PM 1.3
5:09 AM
8:26 PM
10:17 PM
7:27 AM
Waning Gibbous · 94%
Fri, Jul 3 2:08 AM 8.5 8:35 AM 0.3 2:43 PM 7.5 8:42 PM 1.3
5:10 AM
8:26 PM
10:40 PM
8:35 AM
Waning Gibbous · 88%
Sat, Jul 4 2:50 AM 8.4 9:15 AM 0.3 3:25 PM 7.6 9:27 PM 1.2
5:10 AM
8:26 PM
11:02 PM
9:43 AM
Waning Gibbous · 80%

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