Rhode Island

Block Island (old Harbor) — Tide Calendar

September 2026 · Local station time · Heights in ft (MLLW)
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Minus Tides Weekly View Daily Chart
Date Tide Curve High & Low Tides Sun Moon
Tue, Sep 1 ▼ 4:16 AM 0.0 ▲ 11:01 AM 3.5 ▼ 5:03 PM 0.4 ▲ 11:25 PM 2.9
6:13 AM
7:23 PM
↑ 9:11 PM
↓ 11:07 AM
Waning Gibbous · 79%
Wed, Sep 2 ▼ 4:58 AM 0.1 ▲ 11:51 AM 3.5 ▼ 6:00 PM 0.5
6:14 AM
7:21 PM
↑ 9:47 PM
↓ 12:23 PM
Last Quarter · 69%
Thu, Sep 3 ▲ 12:19 AM 2.8 ▼ 5:47 AM 0.2 ▲ 12:47 PM 3.4 ▼ 7:27 PM 0.6
6:15 AM
7:19 PM
↑ 10:33 PM
↓ 1:40 PM
Last Quarter · 57%
Fri, Sep 4 ▲ 1:19 AM 2.6 ▼ 6:48 AM 0.3 ▲ 1:50 PM 3.3 ▼ 9:05 PM 0.6
6:16 AM
7:18 PM
↑ 11:31 PM
↓ 2:53 PM
Last Quarter · 46%
Sat, Sep 5 ▲ 2:25 AM 2.6 ▼ 8:01 AM 0.4 ▲ 3:01 PM 3.3 ▼ 10:19 PM 0.5
6:17 AM
7:16 PM
↑ —
↓ 3:57 PM
Last Quarter · 34%
Sun, Sep 6 ▲ 3:38 AM 2.7 ▼ 9:32 AM 0.4 ▲ 4:18 PM 3.3 ▼ 11:18 PM 0.4
6:18 AM
7:14 PM
↑ 12:40 AM
↓ 4:50 PM
Waning Crescent · 23%
Mon, Sep 7 ▲ 4:50 AM 2.9 ▼ 10:57 AM 0.2 ▲ 5:26 PM 3.5
6:19 AM
7:13 PM
↑ 1:56 AM
↓ 5:31 PM
Waning Crescent · 14%
Tue, Sep 8 ▼ 12:09 AM 0.2 ▲ 5:51 AM 3.2 ▼ 12:01 PM 0.0 ▲ 6:21 PM 3.6
6:20 AM
7:11 PM
↑ 3:15 AM
↓ 6:04 PM
Waning Crescent · 7%
Wed, Sep 9 ▼ 12:55 AM 0.0 ▲ 6:44 AM 3.4 ▼ 12:55 PM -0.1 ▲ 7:10 PM 3.7
6:21 AM
7:09 PM
↑ 4:31 AM
↓ 6:31 PM
New Moon · 2%
Thu, Sep 10 ▼ 1:36 AM -0.1 ▲ 7:33 AM 3.7 ▼ 1:45 PM -0.2 ▲ 7:55 PM 3.7
6:21 AM
7:08 PM
↑ 5:45 AM
↓ 6:55 PM
New Moon · 0%
Fri, Sep 11 ▼ 2:13 AM -0.2 ▲ 8:19 AM 3.8 ▼ 2:31 PM -0.2 ▲ 8:38 PM 3.6
6:22 AM
7:06 PM
↑ 6:55 AM
↓ 7:17 PM
New Moon · 1%
Sat, Sep 12 ▼ 2:46 AM -0.2 ▲ 9:02 AM 3.8 ▼ 3:12 PM -0.1 ▲ 9:19 PM 3.4
6:23 AM
7:04 PM
↑ 8:03 AM
↓ 7:38 PM
New Moon · 3%
Sun, Sep 13 ▼ 3:14 AM -0.1 ▲ 9:44 AM 3.7 ▼ 3:50 PM 0.1 ▲ 9:59 PM 3.2
6:24 AM
7:03 PM
↑ 9:11 AM
↓ 8:01 PM
Waxing Crescent · 8%
Mon, Sep 14 ▼ 3:40 AM 0.1 ▲ 10:24 AM 3.6 ▼ 4:26 PM 0.3 ▲ 10:39 PM 2.9
6:25 AM
7:01 PM
↑ 10:17 AM
↓ 8:26 PM
Waxing Crescent · 14%
Tue, Sep 15 ▼ 4:07 AM 0.2 ▲ 11:05 AM 3.3 ▼ 5:02 PM 0.5 ▲ 11:21 PM 2.7
6:26 AM
6:59 PM
↑ 11:23 AM
↓ 8:56 PM
Waxing Crescent · 22%
Wed, Sep 16 ▼ 4:40 AM 0.5 ▲ 11:48 AM 3.0 ▼ 5:45 PM 0.7
6:27 AM
6:57 PM
↑ 12:27 PM
↓ 9:31 PM
Waxing Crescent · 30%
Thu, Sep 17 ▲ 12:06 AM 2.4 ▼ 5:19 AM 0.7 ▲ 12:35 PM 2.8 ▼ 6:55 PM 0.9
6:28 AM
6:56 PM
↑ 1:27 PM
↓ 10:13 PM
First Quarter · 39%
Fri, Sep 18 ▲ 12:56 AM 2.3 ▼ 6:07 AM 0.8 ▲ 1:30 PM 2.6 ▼ 8:31 PM 1.0
6:29 AM
6:54 PM
↑ 2:21 PM
↓ 11:03 PM
First Quarter · 49%
Sat, Sep 19 ▲ 1:53 AM 2.1 ▼ 7:10 AM 1.0 ▲ 2:36 PM 2.5 ▼ 9:44 PM 1.0
6:30 AM
6:52 PM
↑ 3:08 PM
↓ 11:59 PM
First Quarter · 58%
Sun, Sep 20 ▲ 3:01 AM 2.1 ▼ 8:37 AM 1.0 ▲ 3:57 PM 2.6 ▼ 10:41 PM 0.9
6:31 AM
6:50 PM
↑ 3:47 PM
↓ —
First Quarter · 67%
Mon, Sep 21 ▲ 4:19 AM 2.2 ▼ 10:20 AM 0.9 ▲ 5:00 PM 2.7 ▼ 11:26 PM 0.7
6:32 AM
6:49 PM
↑ 4:20 PM
↓ 1:01 AM
Waxing Gibbous · 76%
Tue, Sep 22 ▲ 5:15 AM 2.4 ▼ 11:17 AM 0.7 ▲ 5:44 PM 2.9
6:33 AM
6:47 PM
↑ 4:48 PM
↓ 2:05 AM
Waxing Gibbous · 83%
Wed, Sep 23 ▼ 12:04 AM 0.6 ▲ 5:57 AM 2.7 ▼ 12:03 PM 0.5 ▲ 6:20 PM 3.0
6:34 AM
6:45 PM
↑ 5:12 PM
↓ 3:09 AM
Waxing Gibbous · 90%
Thu, Sep 24 ▼ 12:36 AM 0.4 ▲ 6:33 AM 3.0 ▼ 12:45 PM 0.3 ▲ 6:54 PM 3.2
6:35 AM
6:44 PM
↑ 5:35 PM
↓ 4:15 AM
Waxing Gibbous · 95%
Fri, Sep 25 ▼ 1:04 AM 0.2 ▲ 7:09 AM 3.3 ▼ 1:25 PM 0.1 ▲ 7:30 PM 3.3
6:36 AM
6:42 PM
↑ 5:56 PM
↓ 5:20 AM
Full Moon · 99%
Sat, Sep 26 ▼ 1:32 AM 0.0 ▲ 7:46 AM 3.5 ▼ 2:05 PM 0.0 ▲ 8:08 PM 3.3
6:37 AM
6:40 PM
↑ 6:18 PM
↓ 6:27 AM
Full Moon · 100%
Sun, Sep 27 ▼ 2:01 AM -0.1 ▲ 8:25 AM 3.7 ▼ 2:44 PM -0.1 ▲ 8:48 PM 3.3
6:38 AM
6:38 PM
↑ 6:42 PM
↓ 7:36 AM
Full Moon · 99%
Mon, Sep 28 ▼ 2:34 AM -0.2 ▲ 9:07 AM 3.8 ▼ 3:24 PM 0.0 ▲ 9:31 PM 3.2
6:39 AM
6:37 PM
↑ 7:10 PM
↓ 8:48 AM
Waning Gibbous · 96%
Tue, Sep 29 ▼ 3:10 AM -0.2 ▲ 9:51 AM 3.8 ▼ 4:06 PM 0.1 ▲ 10:18 PM 3.1
6:40 AM
6:35 PM
↑ 7:43 PM
↓ 10:04 AM
Waning Gibbous · 90%
Wed, Sep 30 ▼ 3:51 AM -0.1 ▲ 10:39 AM 3.7 ▼ 4:54 PM 0.2 ▲ 11:09 PM 2.9
6:41 AM
6:33 PM
↑ 8:25 PM
↓ 11:21 AM
Waning Gibbous · 82%

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