Massachusetts

Plum Island, Merrimack River Entrance — Weekly Tide Table

Aug 30 – Sep 5, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
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%
Tue, Sep 1 2:45 AM 8.4 8:53 AM 0.3 3:04 PM 8.9 9:25 PM -0.1
6:08 AM
7:22 PM
9:03 PM
11:08 AM
Waning Gibbous · 79%
Wed, Sep 2 3:33 AM 8.1 9:39 AM 0.5 3:53 PM 9.0 10:18 PM 0.0
6:09 AM
7:20 PM
9:38 PM
12:26 PM
Last Quarter · 69%
Thu, Sep 3 4:26 AM 7.8 10:31 AM 0.7 4:47 PM 8.9 11:16 PM 0.1
6:10 AM
7:18 PM
10:23 PM
1:44 PM
Last Quarter · 57%
Fri, Sep 4 5:25 AM 7.5 11:28 AM 0.9 5:46 PM 8.8
6:11 AM
7:16 PM
11:20 PM
2:58 PM
Last Quarter · 46%
Sat, Sep 5 12:19 AM 0.2 6:28 AM 7.3 12:30 PM 1.0 6:50 PM 8.8
6:12 AM
7:15 PM
4:02 PM
Last Quarter · 34%

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