Rhode Island

Block Island (old Harbor) — Tide Calendar

December 2025 · Local station time · Heights in ft (MLLW) · Negative tides only
Date Tide Curve High & Low Tides Sun Moon
Mon, Dec 1 3:42 AM 3.3 10:30 AM 0.0 4:12 PM 2.8 10:00 PM -0.2
6:52 AM
4:20 PM
1:47 PM
2:57 AM
Waxing Gibbous · 86%
Tue, Dec 2 4:42 AM 3.6 11:24 AM -0.2 5:06 PM 2.9 10:54 PM -0.4
6:53 AM
4:19 PM
2:17 PM
4:14 AM
Waxing Gibbous · 93%
Wed, Dec 3 5:30 AM 3.9 12:12 PM -0.4 6:00 PM 3.0 11:42 PM -0.5
6:54 AM
4:19 PM
2:54 PM
5:34 AM
Full Moon · 98%
Thu, Dec 4 6:24 AM 4.0 1:06 PM -0.6 6:54 PM 3.1
6:55 AM
4:19 PM
3:40 PM
6:53 AM
Full Moon · 100%
Fri, Dec 5 12:30 AM -0.6 7:18 AM 4.1 2:00 PM -0.6 7:48 PM 3.1
6:56 AM
4:19 PM
4:38 PM
8:06 AM
Full Moon · 99%
Sat, Dec 6 1:24 AM -0.6 8:06 AM 4.0 2:48 PM -0.5 8:36 PM 3.1
6:57 AM
4:18 PM
5:46 PM
9:10 AM
Waning Gibbous · 96%
Sun, Dec 7 2:18 AM -0.5 9:00 AM 3.8 3:42 PM -0.3 9:30 PM 3.0
6:58 AM
4:18 PM
7:01 PM
10:00 AM
Waning Gibbous · 90%
Mon, Dec 8 3:12 AM -0.3 9:54 AM 3.5 4:36 PM -0.1 10:24 PM 2.9
6:59 AM
4:18 PM
8:17 PM
10:40 AM
Waning Gibbous · 82%
Tue, Dec 9 4:06 AM -0.1 10:48 AM 3.2 5:36 PM 0.0 11:24 PM 2.8
7:00 AM
4:18 PM
9:30 PM
11:11 AM
Waning Gibbous · 73%
Sun, Dec 28 1:12 AM 2.8 7:36 AM 0.4 1:30 PM 2.4 7:24 PM -0.1
7:11 AM
4:25 PM
11:47 AM
12:39 AM
First Quarter · 62%
Mon, Dec 29 2:12 AM 3.0 9:06 AM 0.2 2:42 PM 2.3 8:24 PM -0.1
7:12 AM
4:25 PM
12:16 PM
1:54 AM
Waxing Gibbous · 73%
Tue, Dec 30 3:18 AM 3.2 10:18 AM 0.0 3:48 PM 2.4 9:30 PM -0.2
7:12 AM
4:26 PM
12:49 PM
3:13 AM
Waxing Gibbous · 83%
Wed, Dec 31 4:18 AM 3.4 11:12 AM -0.2 4:54 PM 2.6 10:32 PM -0.4
7:12 AM
4:27 PM
1:32 PM
4:32 AM
Waxing Gibbous · 91%

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