Rhode Island

Block Island (old Harbor) — Tide Calendar

October 2026 · Local station time · Heights in ft (MLLW) · Negative tides only
Date Tide Curve High & Low Tides Sun Moon
Fri, Oct 9 1:02 AM -0.1 7:12 AM 3.7 1:32 PM -0.1 7:32 PM 3.3
6:51 AM
6:18 PM
5:49 AM
5:41 PM
New Moon · 1%
Sat, Oct 10 1:35 AM -0.1 7:55 AM 3.8 2:13 PM 0.0 8:12 PM 3.2
6:52 AM
6:17 PM
6:57 AM
6:04 PM
New Moon · 0%
Sun, Oct 11 2:03 AM -0.1 8:35 AM 3.8 2:50 PM 0.0 8:51 PM 3.1
6:53 AM
6:15 PM
8:04 AM
6:28 PM
New Moon · 2%
Sun, Oct 25 12:47 AM -0.1 7:15 AM 3.8 1:45 PM -0.2 7:41 PM 3.2
7:08 AM
5:54 PM
5:10 PM
6:31 AM
Full Moon · 99%
Mon, Oct 26 1:24 AM -0.3 7:58 AM 4.0 2:28 PM -0.2 8:26 PM 3.2
7:10 AM
5:52 PM
5:40 PM
7:45 AM
Full Moon · 100%
Tue, Oct 27 2:04 AM -0.3 8:44 AM 4.0 3:13 PM -0.2 9:13 PM 3.2
7:11 AM
5:51 PM
6:18 PM
9:01 AM
Full Moon · 97%
Wed, Oct 28 2:47 AM -0.3 9:32 AM 4.0 3:59 PM -0.1 10:02 PM 3.1
7:12 AM
5:50 PM
7:07 PM
10:17 AM
Waning Gibbous · 92%
Thu, Oct 29 3:34 AM -0.2 10:23 AM 3.8 4:53 PM 0.1 10:56 PM 3.0
7:13 AM
5:48 PM
8:06 PM
11:28 AM
Waning Gibbous · 85%
Fri, Oct 30 4:24 AM -0.1 11:20 AM 3.6 6:05 PM 0.2 11:55 PM 2.9
7:14 AM
5:47 PM
9:17 PM
12:30 PM
Waning Gibbous · 76%

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