Rhode Island

Block Island (old Harbor) — Weekly Tide Table

Aug 16 – Aug 22, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Aug 16 4:30 AM -0.1 11:00 AM 3.6 5:02 PM 0.2 11:14 PM 3.1
5:56 AM
7:47 PM
10:17 AM
9:35 PM
Waxing Crescent · 18%
Mon, Aug 17 4:57 AM 0.1 11:46 AM 3.4 5:50 PM 0.5 11:58 PM 2.8
5:57 AM
7:45 PM
11:24 AM
9:58 PM
Waxing Crescent · 27%
Tue, Aug 18 5:28 AM 0.4 12:33 PM 3.1 6:49 PM 0.7
5:58 AM
7:44 PM
12:30 PM
10:25 PM
First Quarter · 36%
Wed, Aug 19 12:45 AM 2.5 6:05 AM 0.6 1:22 PM 2.9 7:59 PM 0.9
5:59 AM
7:43 PM
1:34 PM
10:56 PM
First Quarter · 46%
Thu, Aug 20 1:34 AM 2.3 6:52 AM 0.7 2:16 PM 2.7 9:10 PM 0.9
6:00 AM
7:41 PM
2:37 PM
11:33 PM
First Quarter · 55%
Fri, Aug 21 2:30 AM 2.1 7:49 AM 0.9 3:23 PM 2.6 10:17 PM 0.9
6:02 AM
7:40 PM
3:35 PM
First Quarter · 65%
Sat, Aug 22 3:42 AM 2.1 9:04 AM 0.9 4:38 PM 2.7 11:13 PM 0.9
6:03 AM
7:38 PM
4:27 PM
12:18 AM
Waxing Gibbous · 73%

▲ high tide   ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 8459338 · view the interactive daily chart